5823 lines
633 KiB
HTML
5823 lines
633 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html lang="en">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>LCOV - cov-sh.info - bash-4.4.23/execute_cmd.c</title>
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<link rel="stylesheet" type="text/css" href="../gcov.css">
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</head>
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<body>
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<table width="100%" border=0 cellspacing=0 cellpadding=0>
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<tr><td class="title">LCOV - code coverage report</td></tr>
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<tr><td class="ruler"><img src="../glass.png" width=3 height=3 alt=""></td></tr>
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<tr>
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<td width="100%">
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<table cellpadding=1 border=0 width="100%">
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<tr>
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<td width="10%" class="headerItem">Current view:</td>
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<td width="35%" class="headerValue"><a href="../index.html">top level</a> - <a href="index.html">bash-4.4.23</a> - execute_cmd.c<span style="font-size: 80%;"> (source / <a href="execute_cmd.c.func-sort-c.html">functions</a>)</span></td>
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<td width="5%"></td>
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<td width="15%"></td>
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<td width="10%" class="headerCovTableHead">Hit</td>
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<td width="10%" class="headerCovTableHead">Total</td>
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<td width="15%" class="headerCovTableHead">Coverage</td>
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</tr>
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<tr>
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<td class="headerItem">Test:</td>
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<td class="headerValue">cov-sh.info</td>
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<td></td>
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<td class="headerItem">Lines:</td>
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<td class="headerCovTableEntry">945</td>
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<td class="headerCovTableEntry">2086</td>
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<td class="headerCovTableEntryLo">45.3 %</td>
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</tr>
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<tr>
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<td class="headerItem">Date:</td>
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<td class="headerValue">2020-10-29 14:49:55</td>
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<td></td>
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<td class="headerItem">Functions:</td>
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<td class="headerCovTableEntry">39</td>
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<td class="headerCovTableEntry">73</td>
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<td class="headerCovTableEntryLo">53.4 %</td>
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</tr>
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<tr><td><img src="../glass.png" width=3 height=3 alt=""></td></tr>
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</table>
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</td>
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</tr>
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<tr><td class="ruler"><img src="../glass.png" width=3 height=3 alt=""></td></tr>
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</table>
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<table cellpadding=0 cellspacing=0 border=0>
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<tr>
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<td><br></td>
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</tr>
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<tr>
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<td>
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<pre class="sourceHeading"> Line data Source code</pre>
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<pre class="source">
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<a name="1"><span class="lineNum"> 1 </span> : /* execute_cmd.c -- Execute a COMMAND structure. */</a>
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<a name="2"><span class="lineNum"> 2 </span> : </a>
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<a name="3"><span class="lineNum"> 3 </span> : /* Copyright (C) 1987-2016 Free Software Foundation, Inc.</a>
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<a name="4"><span class="lineNum"> 4 </span> : </a>
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<a name="5"><span class="lineNum"> 5 </span> : This file is part of GNU Bash, the Bourne Again SHell.</a>
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<a name="6"><span class="lineNum"> 6 </span> : </a>
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<a name="7"><span class="lineNum"> 7 </span> : Bash is free software: you can redistribute it and/or modify</a>
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<a name="8"><span class="lineNum"> 8 </span> : it under the terms of the GNU General Public License as published by</a>
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<a name="9"><span class="lineNum"> 9 </span> : the Free Software Foundation, either version 3 of the License, or</a>
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<a name="10"><span class="lineNum"> 10 </span> : (at your option) any later version.</a>
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<a name="11"><span class="lineNum"> 11 </span> : </a>
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<a name="12"><span class="lineNum"> 12 </span> : Bash is distributed in the hope that it will be useful,</a>
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<a name="13"><span class="lineNum"> 13 </span> : but WITHOUT ANY WARRANTY; without even the implied warranty of</a>
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<a name="14"><span class="lineNum"> 14 </span> : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</a>
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<a name="15"><span class="lineNum"> 15 </span> : GNU General Public License for more details.</a>
|
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<a name="16"><span class="lineNum"> 16 </span> : </a>
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<a name="17"><span class="lineNum"> 17 </span> : You should have received a copy of the GNU General Public License</a>
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<a name="18"><span class="lineNum"> 18 </span> : along with Bash. If not, see <http://www.gnu.org/licenses/>.</a>
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<a name="19"><span class="lineNum"> 19 </span> : */</a>
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<a name="20"><span class="lineNum"> 20 </span> : </a>
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<a name="21"><span class="lineNum"> 21 </span> : #include "config.h"</a>
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<a name="22"><span class="lineNum"> 22 </span> : </a>
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<a name="23"><span class="lineNum"> 23 </span> : #if !defined (__GNUC__) && !defined (HAVE_ALLOCA_H) && defined (_AIX)</a>
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<a name="24"><span class="lineNum"> 24 </span> : #pragma alloca</a>
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<a name="25"><span class="lineNum"> 25 </span> : #endif /* _AIX && RISC6000 && !__GNUC__ */</a>
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<a name="26"><span class="lineNum"> 26 </span> : </a>
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<a name="27"><span class="lineNum"> 27 </span> : #include <stdio.h></a>
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<a name="28"><span class="lineNum"> 28 </span> : #include "chartypes.h"</a>
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<a name="29"><span class="lineNum"> 29 </span> : #include "bashtypes.h"</a>
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<a name="30"><span class="lineNum"> 30 </span> : #if !defined (_MINIX) && defined (HAVE_SYS_FILE_H)</a>
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<a name="31"><span class="lineNum"> 31 </span> : # include <sys/file.h></a>
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<a name="32"><span class="lineNum"> 32 </span> : #endif</a>
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<a name="33"><span class="lineNum"> 33 </span> : #include "filecntl.h"</a>
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<a name="34"><span class="lineNum"> 34 </span> : #include "posixstat.h"</a>
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<a name="35"><span class="lineNum"> 35 </span> : #include <signal.h></a>
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<a name="36"><span class="lineNum"> 36 </span> : #if defined (HAVE_SYS_PARAM_H)</a>
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<a name="37"><span class="lineNum"> 37 </span> : # include <sys/param.h></a>
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<a name="38"><span class="lineNum"> 38 </span> : #endif</a>
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<a name="39"><span class="lineNum"> 39 </span> : </a>
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<a name="40"><span class="lineNum"> 40 </span> : #if defined (HAVE_UNISTD_H)</a>
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<a name="41"><span class="lineNum"> 41 </span> : # include <unistd.h></a>
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<a name="42"><span class="lineNum"> 42 </span> : #endif</a>
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<a name="43"><span class="lineNum"> 43 </span> : </a>
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<a name="44"><span class="lineNum"> 44 </span> : #include "posixtime.h"</a>
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<a name="45"><span class="lineNum"> 45 </span> : </a>
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<a name="46"><span class="lineNum"> 46 </span> : #if defined (HAVE_SYS_RESOURCE_H) && !defined (RLIMTYPE)</a>
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<a name="47"><span class="lineNum"> 47 </span> : # include <sys/resource.h></a>
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<a name="48"><span class="lineNum"> 48 </span> : #endif</a>
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<a name="49"><span class="lineNum"> 49 </span> : </a>
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<a name="50"><span class="lineNum"> 50 </span> : #if defined (HAVE_SYS_TIMES_H) && defined (HAVE_TIMES)</a>
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<a name="51"><span class="lineNum"> 51 </span> : # include <sys/times.h></a>
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<a name="52"><span class="lineNum"> 52 </span> : #endif</a>
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<a name="53"><span class="lineNum"> 53 </span> : </a>
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<a name="54"><span class="lineNum"> 54 </span> : #include <errno.h></a>
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<a name="55"><span class="lineNum"> 55 </span> : </a>
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<a name="56"><span class="lineNum"> 56 </span> : #if !defined (errno)</a>
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<a name="57"><span class="lineNum"> 57 </span> : extern int errno;</a>
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<a name="58"><span class="lineNum"> 58 </span> : #endif</a>
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<a name="59"><span class="lineNum"> 59 </span> : </a>
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<a name="60"><span class="lineNum"> 60 </span> : #define NEED_FPURGE_DECL</a>
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<a name="61"><span class="lineNum"> 61 </span> : #define NEED_SH_SETLINEBUF_DECL</a>
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<a name="62"><span class="lineNum"> 62 </span> : </a>
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<a name="63"><span class="lineNum"> 63 </span> : #include "bashansi.h"</a>
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<a name="64"><span class="lineNum"> 64 </span> : #include "bashintl.h"</a>
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<a name="65"><span class="lineNum"> 65 </span> : </a>
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<a name="66"><span class="lineNum"> 66 </span> : #include "memalloc.h"</a>
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<a name="67"><span class="lineNum"> 67 </span> : #include "shell.h"</a>
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<a name="68"><span class="lineNum"> 68 </span> : #include <y.tab.h> /* use <...> so we pick it up from the build directory */</a>
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<a name="69"><span class="lineNum"> 69 </span> : #include "flags.h"</a>
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<a name="70"><span class="lineNum"> 70 </span> : #include "builtins.h"</a>
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<a name="71"><span class="lineNum"> 71 </span> : #include "hashlib.h"</a>
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<a name="72"><span class="lineNum"> 72 </span> : #include "jobs.h"</a>
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<a name="73"><span class="lineNum"> 73 </span> : #include "execute_cmd.h"</a>
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<a name="74"><span class="lineNum"> 74 </span> : #include "findcmd.h"</a>
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<a name="75"><span class="lineNum"> 75 </span> : #include "redir.h"</a>
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<a name="76"><span class="lineNum"> 76 </span> : #include "trap.h"</a>
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<a name="77"><span class="lineNum"> 77 </span> : #include "pathexp.h"</a>
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<a name="78"><span class="lineNum"> 78 </span> : #include "hashcmd.h"</a>
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<a name="79"><span class="lineNum"> 79 </span> : </a>
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<a name="80"><span class="lineNum"> 80 </span> : #if defined (COND_COMMAND)</a>
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<a name="81"><span class="lineNum"> 81 </span> : # include "test.h"</a>
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<a name="82"><span class="lineNum"> 82 </span> : #endif</a>
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<a name="83"><span class="lineNum"> 83 </span> : </a>
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<a name="84"><span class="lineNum"> 84 </span> : #include "builtins/common.h"</a>
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<a name="85"><span class="lineNum"> 85 </span> : #include "builtins/builtext.h" /* list of builtins */</a>
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<a name="86"><span class="lineNum"> 86 </span> : </a>
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<a name="87"><span class="lineNum"> 87 </span> : #include "builtins/getopt.h"</a>
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<a name="88"><span class="lineNum"> 88 </span> : </a>
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<a name="89"><span class="lineNum"> 89 </span> : #include <glob/strmatch.h></a>
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<a name="90"><span class="lineNum"> 90 </span> : #include <tilde/tilde.h></a>
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<a name="91"><span class="lineNum"> 91 </span> : </a>
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<a name="92"><span class="lineNum"> 92 </span> : #if defined (BUFFERED_INPUT)</a>
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<a name="93"><span class="lineNum"> 93 </span> : # include "input.h"</a>
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<a name="94"><span class="lineNum"> 94 </span> : #endif</a>
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<a name="95"><span class="lineNum"> 95 </span> : </a>
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<a name="96"><span class="lineNum"> 96 </span> : #if defined (ALIAS)</a>
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<a name="97"><span class="lineNum"> 97 </span> : # include "alias.h"</a>
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<a name="98"><span class="lineNum"> 98 </span> : #endif</a>
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<a name="99"><span class="lineNum"> 99 </span> : </a>
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<a name="100"><span class="lineNum"> 100 </span> : #if defined (HISTORY)</a>
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<a name="101"><span class="lineNum"> 101 </span> : # include "bashhist.h"</a>
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<a name="102"><span class="lineNum"> 102 </span> : #endif</a>
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<a name="103"><span class="lineNum"> 103 </span> : </a>
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<a name="104"><span class="lineNum"> 104 </span> : #if defined (HAVE_MBSTR_H) && defined (HAVE_MBSCHR)</a>
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<a name="105"><span class="lineNum"> 105 </span> : # include <mbstr.h> /* mbschr */</a>
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<a name="106"><span class="lineNum"> 106 </span> : #endif</a>
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<a name="107"><span class="lineNum"> 107 </span> : </a>
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<a name="108"><span class="lineNum"> 108 </span> : extern int dollar_dollar_pid;</a>
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<a name="109"><span class="lineNum"> 109 </span> : extern int posixly_correct;</a>
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<a name="110"><span class="lineNum"> 110 </span> : extern int expand_aliases;</a>
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<a name="111"><span class="lineNum"> 111 </span> : extern int autocd;</a>
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<a name="112"><span class="lineNum"> 112 </span> : extern int breaking, continuing, loop_level;</a>
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<a name="113"><span class="lineNum"> 113 </span> : extern int parse_and_execute_level, running_trap, sourcelevel;</a>
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<a name="114"><span class="lineNum"> 114 </span> : extern int command_string_index, line_number;</a>
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<a name="115"><span class="lineNum"> 115 </span> : extern int dot_found_in_search;</a>
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<a name="116"><span class="lineNum"> 116 </span> : extern int already_making_children;</a>
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<a name="117"><span class="lineNum"> 117 </span> : extern int tempenv_assign_error;</a>
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<a name="118"><span class="lineNum"> 118 </span> : extern char *the_printed_command, *shell_name;</a>
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<a name="119"><span class="lineNum"> 119 </span> : extern pid_t last_command_subst_pid;</a>
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<a name="120"><span class="lineNum"> 120 </span> : extern sh_builtin_func_t *last_shell_builtin, *this_shell_builtin;</a>
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<a name="121"><span class="lineNum"> 121 </span> : extern char **subshell_argv, **subshell_envp;</a>
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<a name="122"><span class="lineNum"> 122 </span> : extern int subshell_argc;</a>
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<a name="123"><span class="lineNum"> 123 </span> : extern time_t shell_start_time;</a>
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<a name="124"><span class="lineNum"> 124 </span> : #if 0</a>
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<a name="125"><span class="lineNum"> 125 </span> : extern char *glob_argv_flags;</a>
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<a name="126"><span class="lineNum"> 126 </span> : #endif</a>
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<a name="127"><span class="lineNum"> 127 </span> : </a>
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<a name="128"><span class="lineNum"> 128 </span> : extern int job_control; /* XXX */</a>
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<a name="129"><span class="lineNum"> 129 </span> : </a>
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<a name="130"><span class="lineNum"> 130 </span> : extern int close __P((int));</a>
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<a name="131"><span class="lineNum"> 131 </span> : </a>
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<a name="132"><span class="lineNum"> 132 </span> : /* Static functions defined and used in this file. */</a>
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<a name="133"><span class="lineNum"> 133 </span> : static void close_pipes __P((int, int));</a>
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<a name="134"><span class="lineNum"> 134 </span> : static void do_piping __P((int, int));</a>
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<a name="135"><span class="lineNum"> 135 </span> : static void bind_lastarg __P((char *));</a>
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<a name="136"><span class="lineNum"> 136 </span> : static int shell_control_structure __P((enum command_type));</a>
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<a name="137"><span class="lineNum"> 137 </span> : static void cleanup_redirects __P((REDIRECT *));</a>
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<a name="138"><span class="lineNum"> 138 </span> : </a>
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<a name="139"><span class="lineNum"> 139 </span> : #if defined (JOB_CONTROL)</a>
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<a name="140"><span class="lineNum"> 140 </span> : static int restore_signal_mask __P((sigset_t *));</a>
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<a name="141"><span class="lineNum"> 141 </span> : #endif</a>
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<a name="142"><span class="lineNum"> 142 </span> : </a>
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<a name="143"><span class="lineNum"> 143 </span> : static void async_redirect_stdin __P((void));</a>
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<a name="144"><span class="lineNum"> 144 </span> : </a>
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<a name="145"><span class="lineNum"> 145 </span> : static int builtin_status __P((int));</a>
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<a name="146"><span class="lineNum"> 146 </span> : </a>
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<a name="147"><span class="lineNum"> 147 </span> : static int execute_for_command __P((FOR_COM *));</a>
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<a name="148"><span class="lineNum"> 148 </span> : #if defined (SELECT_COMMAND)</a>
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<a name="149"><span class="lineNum"> 149 </span> : static int displen __P((const char *));</a>
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<a name="150"><span class="lineNum"> 150 </span> : static int print_index_and_element __P((int, int, WORD_LIST *));</a>
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<a name="151"><span class="lineNum"> 151 </span> : static void indent __P((int, int));</a>
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<a name="152"><span class="lineNum"> 152 </span> : static void print_select_list __P((WORD_LIST *, int, int, int));</a>
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<a name="153"><span class="lineNum"> 153 </span> : static char *select_query __P((WORD_LIST *, int, char *, int));</a>
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<a name="154"><span class="lineNum"> 154 </span> : static int execute_select_command __P((SELECT_COM *));</a>
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<a name="155"><span class="lineNum"> 155 </span> : #endif</a>
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<a name="156"><span class="lineNum"> 156 </span> : #if defined (DPAREN_ARITHMETIC)</a>
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<a name="157"><span class="lineNum"> 157 </span> : static int execute_arith_command __P((ARITH_COM *));</a>
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<a name="158"><span class="lineNum"> 158 </span> : #endif</a>
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<a name="159"><span class="lineNum"> 159 </span> : #if defined (COND_COMMAND)</a>
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<a name="160"><span class="lineNum"> 160 </span> : static int execute_cond_node __P((COND_COM *));</a>
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<a name="161"><span class="lineNum"> 161 </span> : static int execute_cond_command __P((COND_COM *));</a>
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<a name="162"><span class="lineNum"> 162 </span> : #endif</a>
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<a name="163"><span class="lineNum"> 163 </span> : #if defined (COMMAND_TIMING)</a>
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<a name="164"><span class="lineNum"> 164 </span> : static int mkfmt __P((char *, int, int, time_t, int));</a>
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<a name="165"><span class="lineNum"> 165 </span> : static void print_formatted_time __P((FILE *, char *,</a>
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<a name="166"><span class="lineNum"> 166 </span> : time_t, int, time_t, int,</a>
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<a name="167"><span class="lineNum"> 167 </span> : time_t, int, int));</a>
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<a name="168"><span class="lineNum"> 168 </span> : static int time_command __P((COMMAND *, int, int, int, struct fd_bitmap *));</a>
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<a name="169"><span class="lineNum"> 169 </span> : #endif</a>
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<a name="170"><span class="lineNum"> 170 </span> : #if defined (ARITH_FOR_COMMAND)</a>
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<a name="171"><span class="lineNum"> 171 </span> : static intmax_t eval_arith_for_expr __P((WORD_LIST *, int *));</a>
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<a name="172"><span class="lineNum"> 172 </span> : static int execute_arith_for_command __P((ARITH_FOR_COM *));</a>
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<a name="173"><span class="lineNum"> 173 </span> : #endif</a>
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<a name="174"><span class="lineNum"> 174 </span> : static int execute_case_command __P((CASE_COM *));</a>
|
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<a name="175"><span class="lineNum"> 175 </span> : static int execute_while_command __P((WHILE_COM *));</a>
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<a name="176"><span class="lineNum"> 176 </span> : static int execute_until_command __P((WHILE_COM *));</a>
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<a name="177"><span class="lineNum"> 177 </span> : static int execute_while_or_until __P((WHILE_COM *, int));</a>
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<a name="178"><span class="lineNum"> 178 </span> : static int execute_if_command __P((IF_COM *));</a>
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<a name="179"><span class="lineNum"> 179 </span> : static int execute_null_command __P((REDIRECT *, int, int, int));</a>
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<a name="180"><span class="lineNum"> 180 </span> : static void fix_assignment_words __P((WORD_LIST *));</a>
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<a name="181"><span class="lineNum"> 181 </span> : static int execute_simple_command __P((SIMPLE_COM *, int, int, int, struct fd_bitmap *));</a>
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<a name="182"><span class="lineNum"> 182 </span> : static int execute_builtin __P((sh_builtin_func_t *, WORD_LIST *, int, int));</a>
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<a name="183"><span class="lineNum"> 183 </span> : static int execute_function __P((SHELL_VAR *, WORD_LIST *, int, struct fd_bitmap *, int, int));</a>
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<a name="184"><span class="lineNum"> 184 </span> : static int execute_builtin_or_function __P((WORD_LIST *, sh_builtin_func_t *,</a>
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<a name="185"><span class="lineNum"> 185 </span> : SHELL_VAR *,</a>
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<a name="186"><span class="lineNum"> 186 </span> : REDIRECT *, struct fd_bitmap *, int));</a>
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<a name="187"><span class="lineNum"> 187 </span> : static void execute_subshell_builtin_or_function __P((WORD_LIST *, REDIRECT *,</a>
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<a name="188"><span class="lineNum"> 188 </span> : sh_builtin_func_t *,</a>
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<a name="189"><span class="lineNum"> 189 </span> : SHELL_VAR *,</a>
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<a name="190"><span class="lineNum"> 190 </span> : int, int, int,</a>
|
|
<a name="191"><span class="lineNum"> 191 </span> : struct fd_bitmap *,</a>
|
|
<a name="192"><span class="lineNum"> 192 </span> : int));</a>
|
|
<a name="193"><span class="lineNum"> 193 </span> : static int execute_disk_command __P((WORD_LIST *, REDIRECT *, char *,</a>
|
|
<a name="194"><span class="lineNum"> 194 </span> : int, int, int, struct fd_bitmap *, int));</a>
|
|
<a name="195"><span class="lineNum"> 195 </span> : </a>
|
|
<a name="196"><span class="lineNum"> 196 </span> : static char *getinterp __P((char *, int, int *));</a>
|
|
<a name="197"><span class="lineNum"> 197 </span> : static void initialize_subshell __P((void));</a>
|
|
<a name="198"><span class="lineNum"> 198 </span> : static int execute_in_subshell __P((COMMAND *, int, int, int, struct fd_bitmap *));</a>
|
|
<a name="199"><span class="lineNum"> 199 </span> : #if defined (COPROCESS_SUPPORT)</a>
|
|
<a name="200"><span class="lineNum"> 200 </span> : static int execute_coproc __P((COMMAND *, int, int, struct fd_bitmap *));</a>
|
|
<a name="201"><span class="lineNum"> 201 </span> : #endif</a>
|
|
<a name="202"><span class="lineNum"> 202 </span> : </a>
|
|
<a name="203"><span class="lineNum"> 203 </span> : static int execute_pipeline __P((COMMAND *, int, int, int, struct fd_bitmap *));</a>
|
|
<a name="204"><span class="lineNum"> 204 </span> : </a>
|
|
<a name="205"><span class="lineNum"> 205 </span> : static int execute_connection __P((COMMAND *, int, int, int, struct fd_bitmap *));</a>
|
|
<a name="206"><span class="lineNum"> 206 </span> : </a>
|
|
<a name="207"><span class="lineNum"> 207 </span> : static int execute_intern_function __P((WORD_DESC *, FUNCTION_DEF *));</a>
|
|
<a name="208"><span class="lineNum"> 208 </span> : </a>
|
|
<a name="209"><span class="lineNum"> 209 </span> : /* Set to 1 if fd 0 was the subject of redirection to a subshell. Global</a>
|
|
<a name="210"><span class="lineNum"> 210 </span> : so that reader_loop can set it to zero before executing a command. */</a>
|
|
<a name="211"><span class="lineNum"> 211 </span> : int stdin_redir;</a>
|
|
<a name="212"><span class="lineNum"> 212 </span> : </a>
|
|
<a name="213"><span class="lineNum"> 213 </span> : /* The name of the command that is currently being executed.</a>
|
|
<a name="214"><span class="lineNum"> 214 </span> : `test' needs this, for example. */</a>
|
|
<a name="215"><span class="lineNum"> 215 </span> : char *this_command_name;</a>
|
|
<a name="216"><span class="lineNum"> 216 </span> : </a>
|
|
<a name="217"><span class="lineNum"> 217 </span> : /* The printed representation of the currently-executing command (same as</a>
|
|
<a name="218"><span class="lineNum"> 218 </span> : the_printed_command), except when a trap is being executed. Useful for</a>
|
|
<a name="219"><span class="lineNum"> 219 </span> : a debugger to know where exactly the program is currently executing. */</a>
|
|
<a name="220"><span class="lineNum"> 220 </span> : char *the_printed_command_except_trap;</a>
|
|
<a name="221"><span class="lineNum"> 221 </span> : </a>
|
|
<a name="222"><span class="lineNum"> 222 </span> : /* For catching RETURN in a function. */</a>
|
|
<a name="223"><span class="lineNum"> 223 </span> : int return_catch_flag;</a>
|
|
<a name="224"><span class="lineNum"> 224 </span> : int return_catch_value;</a>
|
|
<a name="225"><span class="lineNum"> 225 </span> : procenv_t return_catch;</a>
|
|
<a name="226"><span class="lineNum"> 226 </span> : </a>
|
|
<a name="227"><span class="lineNum"> 227 </span> : /* The value returned by the last synchronous command. */</a>
|
|
<a name="228"><span class="lineNum"> 228 </span> : volatile int last_command_exit_value;</a>
|
|
<a name="229"><span class="lineNum"> 229 </span> : </a>
|
|
<a name="230"><span class="lineNum"> 230 </span> : /* Whether or not the last command (corresponding to last_command_exit_value)</a>
|
|
<a name="231"><span class="lineNum"> 231 </span> : was terminated by a signal, and, if so, which one. */</a>
|
|
<a name="232"><span class="lineNum"> 232 </span> : int last_command_exit_signal;</a>
|
|
<a name="233"><span class="lineNum"> 233 </span> : </a>
|
|
<a name="234"><span class="lineNum"> 234 </span> : /* Are we currently ignoring the -e option for the duration of a builtin's</a>
|
|
<a name="235"><span class="lineNum"> 235 </span> : execution? */</a>
|
|
<a name="236"><span class="lineNum"> 236 </span> : int builtin_ignoring_errexit = 0;</a>
|
|
<a name="237"><span class="lineNum"> 237 </span> : </a>
|
|
<a name="238"><span class="lineNum"> 238 </span> : /* The list of redirections to perform which will undo the redirections</a>
|
|
<a name="239"><span class="lineNum"> 239 </span> : that I made in the shell. */</a>
|
|
<a name="240"><span class="lineNum"> 240 </span> : REDIRECT *redirection_undo_list = (REDIRECT *)NULL;</a>
|
|
<a name="241"><span class="lineNum"> 241 </span> : </a>
|
|
<a name="242"><span class="lineNum"> 242 </span> : /* The list of redirections to perform which will undo the internal</a>
|
|
<a name="243"><span class="lineNum"> 243 </span> : redirections performed by the `exec' builtin. These are redirections</a>
|
|
<a name="244"><span class="lineNum"> 244 </span> : that must be undone even when exec discards redirection_undo_list. */</a>
|
|
<a name="245"><span class="lineNum"> 245 </span> : REDIRECT *exec_redirection_undo_list = (REDIRECT *)NULL;</a>
|
|
<a name="246"><span class="lineNum"> 246 </span> : </a>
|
|
<a name="247"><span class="lineNum"> 247 </span> : /* When greater than zero, value is the `level' of builtins we are</a>
|
|
<a name="248"><span class="lineNum"> 248 </span> : currently executing (e.g. `eval echo a' would have it set to 2). */</a>
|
|
<a name="249"><span class="lineNum"> 249 </span> : int executing_builtin = 0;</a>
|
|
<a name="250"><span class="lineNum"> 250 </span> : </a>
|
|
<a name="251"><span class="lineNum"> 251 </span> : /* Non-zero if we are executing a command list (a;b;c, etc.) */</a>
|
|
<a name="252"><span class="lineNum"> 252 </span> : int executing_list = 0;</a>
|
|
<a name="253"><span class="lineNum"> 253 </span> : </a>
|
|
<a name="254"><span class="lineNum"> 254 </span> : /* Non-zero if failing commands in a command substitution should not exit the</a>
|
|
<a name="255"><span class="lineNum"> 255 </span> : shell even if -e is set. Used to pass the CMD_IGNORE_RETURN flag down to</a>
|
|
<a name="256"><span class="lineNum"> 256 </span> : commands run in command substitutions by parse_and_execute. */</a>
|
|
<a name="257"><span class="lineNum"> 257 </span> : int comsub_ignore_return = 0;</a>
|
|
<a name="258"><span class="lineNum"> 258 </span> : </a>
|
|
<a name="259"><span class="lineNum"> 259 </span> : /* Non-zero if we have just forked and are currently running in a subshell</a>
|
|
<a name="260"><span class="lineNum"> 260 </span> : environment. */</a>
|
|
<a name="261"><span class="lineNum"> 261 </span> : int subshell_environment;</a>
|
|
<a name="262"><span class="lineNum"> 262 </span> : </a>
|
|
<a name="263"><span class="lineNum"> 263 </span> : /* Count of nested subshells, like SHLVL. Available via $BASH_SUBSHELL */</a>
|
|
<a name="264"><span class="lineNum"> 264 </span> : int subshell_level = 0;</a>
|
|
<a name="265"><span class="lineNum"> 265 </span> : </a>
|
|
<a name="266"><span class="lineNum"> 266 </span> : /* Currently-executing shell function. */</a>
|
|
<a name="267"><span class="lineNum"> 267 </span> : SHELL_VAR *this_shell_function;</a>
|
|
<a name="268"><span class="lineNum"> 268 </span> : </a>
|
|
<a name="269"><span class="lineNum"> 269 </span> : /* If non-zero, matches in case and [[ ... ]] are case-insensitive */</a>
|
|
<a name="270"><span class="lineNum"> 270 </span> : int match_ignore_case = 0;</a>
|
|
<a name="271"><span class="lineNum"> 271 </span> : </a>
|
|
<a name="272"><span class="lineNum"> 272 </span> : int executing_command_builtin = 0;</a>
|
|
<a name="273"><span class="lineNum"> 273 </span> : </a>
|
|
<a name="274"><span class="lineNum"> 274 </span> : struct stat SB; /* used for debugging */</a>
|
|
<a name="275"><span class="lineNum"> 275 </span> : </a>
|
|
<a name="276"><span class="lineNum"> 276 </span> : static int special_builtin_failed;</a>
|
|
<a name="277"><span class="lineNum"> 277 </span> : </a>
|
|
<a name="278"><span class="lineNum"> 278 </span> : static COMMAND *currently_executing_command;</a>
|
|
<a name="279"><span class="lineNum"> 279 </span> : </a>
|
|
<a name="280"><span class="lineNum"> 280 </span> : /* The line number that the currently executing function starts on. */</a>
|
|
<a name="281"><span class="lineNum"> 281 </span> : static int function_line_number;</a>
|
|
<a name="282"><span class="lineNum"> 282 </span> : </a>
|
|
<a name="283"><span class="lineNum"> 283 </span> : /* XXX - set to 1 if we're running the DEBUG trap and we want to show the line</a>
|
|
<a name="284"><span class="lineNum"> 284 </span> : number containing the function name. Used by executing_line_number to</a>
|
|
<a name="285"><span class="lineNum"> 285 </span> : report the correct line number. Kind of a hack. */</a>
|
|
<a name="286"><span class="lineNum"> 286 </span> : static int showing_function_line;</a>
|
|
<a name="287"><span class="lineNum"> 287 </span> : </a>
|
|
<a name="288"><span class="lineNum"> 288 </span> : /* $LINENO ($BASH_LINENO) for use by an ERR trap. Global so parse_and_execute</a>
|
|
<a name="289"><span class="lineNum"> 289 </span> : can save and restore it. */</a>
|
|
<a name="290"><span class="lineNum"> 290 </span> : int line_number_for_err_trap;</a>
|
|
<a name="291"><span class="lineNum"> 291 </span> : </a>
|
|
<a name="292"><span class="lineNum"> 292 </span> : /* A sort of function nesting level counter */</a>
|
|
<a name="293"><span class="lineNum"> 293 </span> : int funcnest = 0;</a>
|
|
<a name="294"><span class="lineNum"> 294 </span> : int funcnest_max = 0;</a>
|
|
<a name="295"><span class="lineNum"> 295 </span> : </a>
|
|
<a name="296"><span class="lineNum"> 296 </span> : int evalnest = 0; /* bash-4.4/bash-5.0 */</a>
|
|
<a name="297"><span class="lineNum"> 297 </span> : int evalnest_max = EVALNEST_MAX;</a>
|
|
<a name="298"><span class="lineNum"> 298 </span> : </a>
|
|
<a name="299"><span class="lineNum"> 299 </span> : int sourcenest = 0;</a>
|
|
<a name="300"><span class="lineNum"> 300 </span> : int sourcenest_max = SOURCENEST_MAX;</a>
|
|
<a name="301"><span class="lineNum"> 301 </span> : </a>
|
|
<a name="302"><span class="lineNum"> 302 </span> : volatile int from_return_trap = 0;</a>
|
|
<a name="303"><span class="lineNum"> 303 </span> : </a>
|
|
<a name="304"><span class="lineNum"> 304 </span> : int lastpipe_opt = 0;</a>
|
|
<a name="305"><span class="lineNum"> 305 </span> : </a>
|
|
<a name="306"><span class="lineNum"> 306 </span> : struct fd_bitmap *current_fds_to_close = (struct fd_bitmap *)NULL;</a>
|
|
<a name="307"><span class="lineNum"> 307 </span> : </a>
|
|
<a name="308"><span class="lineNum"> 308 </span> : #define FD_BITMAP_DEFAULT_SIZE 32</a>
|
|
<a name="309"><span class="lineNum"> 309 </span> : </a>
|
|
<a name="310"><span class="lineNum"> 310 </span> : /* Functions to allocate and deallocate the structures used to pass</a>
|
|
<a name="311"><span class="lineNum"> 311 </span> : information from the shell to its children about file descriptors</a>
|
|
<a name="312"><span class="lineNum"> 312 </span> : to close. */</a>
|
|
<a name="313"><span class="lineNum"> 313 </span> : struct fd_bitmap *</a>
|
|
<a name="314"><span class="lineNum"> 314 </span><span class="lineCov"> 148186942 : new_fd_bitmap (size)</span></a>
|
|
<a name="315"><span class="lineNum"> 315 </span> : int size;</a>
|
|
<a name="316"><span class="lineNum"> 316 </span> : {</a>
|
|
<a name="317"><span class="lineNum"> 317 </span><span class="lineCov"> 148186942 : struct fd_bitmap *ret;</span></a>
|
|
<a name="318"><span class="lineNum"> 318 </span> : </a>
|
|
<a name="319"><span class="lineNum"> 319 </span><span class="lineCov"> 148186942 : ret = (struct fd_bitmap *)xmalloc (sizeof (struct fd_bitmap));</span></a>
|
|
<a name="320"><span class="lineNum"> 320 </span> : </a>
|
|
<a name="321"><span class="lineNum"> 321 </span><span class="lineCov"> 148186942 : ret->size = size;</span></a>
|
|
<a name="322"><span class="lineNum"> 322 </span> : </a>
|
|
<a name="323"><span class="lineNum"> 323 </span><span class="lineCov"> 148186942 : if (size)</span></a>
|
|
<a name="324"><span class="lineNum"> 324 </span> : {</a>
|
|
<a name="325"><span class="lineNum"> 325 </span><span class="lineCov"> 148186942 : ret->bitmap = (char *)xmalloc (size);</span></a>
|
|
<a name="326"><span class="lineNum"> 326 </span><span class="lineCov"> 148186942 : memset (ret->bitmap, '\0', size);</span></a>
|
|
<a name="327"><span class="lineNum"> 327 </span> : }</a>
|
|
<a name="328"><span class="lineNum"> 328 </span> : else</a>
|
|
<a name="329"><span class="lineNum"> 329 </span><span class="lineNoCov"> 0 : ret->bitmap = (char *)NULL;</span></a>
|
|
<a name="330"><span class="lineNum"> 330 </span><span class="lineCov"> 148186942 : return (ret);</span></a>
|
|
<a name="331"><span class="lineNum"> 331 </span> : }</a>
|
|
<a name="332"><span class="lineNum"> 332 </span> : </a>
|
|
<a name="333"><span class="lineNum"> 333 </span> : void</a>
|
|
<a name="334"><span class="lineNum"> 334 </span><span class="lineCov"> 140710934 : dispose_fd_bitmap (fdbp)</span></a>
|
|
<a name="335"><span class="lineNum"> 335 </span> : struct fd_bitmap *fdbp;</a>
|
|
<a name="336"><span class="lineNum"> 336 </span> : {</a>
|
|
<a name="337"><span class="lineNum"> 337 </span><span class="lineCov"> 140710934 : FREE (fdbp->bitmap);</span></a>
|
|
<a name="338"><span class="lineNum"> 338 </span><span class="lineCov"> 140710934 : free (fdbp);</span></a>
|
|
<a name="339"><span class="lineNum"> 339 </span><span class="lineCov"> 140710934 : }</span></a>
|
|
<a name="340"><span class="lineNum"> 340 </span> : </a>
|
|
<a name="341"><span class="lineNum"> 341 </span> : void</a>
|
|
<a name="342"><span class="lineNum"> 342 </span><span class="lineCov"> 9532254 : close_fd_bitmap (fdbp)</span></a>
|
|
<a name="343"><span class="lineNum"> 343 </span> : struct fd_bitmap *fdbp;</a>
|
|
<a name="344"><span class="lineNum"> 344 </span> : {</a>
|
|
<a name="345"><span class="lineNum"> 345 </span><span class="lineCov"> 9532254 : register int i;</span></a>
|
|
<a name="346"><span class="lineNum"> 346 </span> : </a>
|
|
<a name="347"><span class="lineNum"> 347 </span><span class="lineCov"> 9532254 : if (fdbp)</span></a>
|
|
<a name="348"><span class="lineNum"> 348 </span> : {</a>
|
|
<a name="349"><span class="lineNum"> 349 </span><span class="lineCov"> 314564382 : for (i = 0; i < fdbp->size; i++)</span></a>
|
|
<a name="350"><span class="lineNum"> 350 </span><span class="lineCov"> 305032128 : if (fdbp->bitmap[i])</span></a>
|
|
<a name="351"><span class="lineNum"> 351 </span> : {</a>
|
|
<a name="352"><span class="lineNum"> 352 </span><span class="lineCov"> 30359 : close (i);</span></a>
|
|
<a name="353"><span class="lineNum"> 353 </span><span class="lineCov"> 30359 : fdbp->bitmap[i] = 0;</span></a>
|
|
<a name="354"><span class="lineNum"> 354 </span> : }</a>
|
|
<a name="355"><span class="lineNum"> 355 </span> : }</a>
|
|
<a name="356"><span class="lineNum"> 356 </span><span class="lineCov"> 9532254 : }</span></a>
|
|
<a name="357"><span class="lineNum"> 357 </span> : </a>
|
|
<a name="358"><span class="lineNum"> 358 </span> : /* Return the line number of the currently executing command. */</a>
|
|
<a name="359"><span class="lineNum"> 359 </span> : int</a>
|
|
<a name="360"><span class="lineNum"> 360 </span><span class="lineCov"> 27488415 : executing_line_number ()</span></a>
|
|
<a name="361"><span class="lineNum"> 361 </span> : {</a>
|
|
<a name="362"><span class="lineNum"> 362 </span><span class="lineCov"> 27488415 : if (executing && showing_function_line == 0 &&</span></a>
|
|
<a name="363"><span class="lineNum"> 363 </span><span class="lineCov"> 8402355 : (variable_context == 0 || interactive_shell == 0) &&</span></a>
|
|
<a name="364"><span class="lineNum"> 364 </span> : currently_executing_command)</a>
|
|
<a name="365"><span class="lineNum"> 365 </span> : {</a>
|
|
<a name="366"><span class="lineNum"> 366 </span> : #if defined (COND_COMMAND)</a>
|
|
<a name="367"><span class="lineNum"> 367 </span><span class="lineCov"> 8402355 : if (currently_executing_command->type == cm_cond)</span></a>
|
|
<a name="368"><span class="lineNum"> 368 </span><span class="lineNoCov"> 0 : return currently_executing_command->value.Cond->line;</span></a>
|
|
<a name="369"><span class="lineNum"> 369 </span> : #endif</a>
|
|
<a name="370"><span class="lineNum"> 370 </span> : #if defined (DPAREN_ARITHMETIC)</a>
|
|
<a name="371"><span class="lineNum"> 371 </span><span class="lineCov"> 8402355 : if (currently_executing_command->type == cm_arith)</span></a>
|
|
<a name="372"><span class="lineNum"> 372 </span><span class="lineNoCov"> 0 : return currently_executing_command->value.Arith->line;</span></a>
|
|
<a name="373"><span class="lineNum"> 373 </span> : #endif</a>
|
|
<a name="374"><span class="lineNum"> 374 </span> : #if defined (ARITH_FOR_COMMAND)</a>
|
|
<a name="375"><span class="lineNum"> 375 </span><span class="lineCov"> 8402355 : if (currently_executing_command->type == cm_arith_for)</span></a>
|
|
<a name="376"><span class="lineNum"> 376 </span><span class="lineNoCov"> 0 : return currently_executing_command->value.ArithFor->line;</span></a>
|
|
<a name="377"><span class="lineNum"> 377 </span> : #endif</a>
|
|
<a name="378"><span class="lineNum"> 378 </span> : </a>
|
|
<a name="379"><span class="lineNum"> 379 </span><span class="lineCov"> 8402355 : return line_number;</span></a>
|
|
<a name="380"><span class="lineNum"> 380 </span> : }</a>
|
|
<a name="381"><span class="lineNum"> 381 </span> : else</a>
|
|
<a name="382"><span class="lineNum"> 382 </span><span class="lineCov"> 19086060 : return line_number;</span></a>
|
|
<a name="383"><span class="lineNum"> 383 </span> : }</a>
|
|
<a name="384"><span class="lineNum"> 384 </span> : </a>
|
|
<a name="385"><span class="lineNum"> 385 </span> : /* Execute the command passed in COMMAND. COMMAND is exactly what</a>
|
|
<a name="386"><span class="lineNum"> 386 </span> : read_command () places into GLOBAL_COMMAND. See "command.h" for the</a>
|
|
<a name="387"><span class="lineNum"> 387 </span> : details of the command structure.</a>
|
|
<a name="388"><span class="lineNum"> 388 </span> : </a>
|
|
<a name="389"><span class="lineNum"> 389 </span> : EXECUTION_SUCCESS or EXECUTION_FAILURE are the only possible</a>
|
|
<a name="390"><span class="lineNum"> 390 </span> : return values. Executing a command with nothing in it returns</a>
|
|
<a name="391"><span class="lineNum"> 391 </span> : EXECUTION_SUCCESS. */</a>
|
|
<a name="392"><span class="lineNum"> 392 </span> : int</a>
|
|
<a name="393"><span class="lineNum"> 393 </span><span class="lineCov"> 129060045 : execute_command (command)</span></a>
|
|
<a name="394"><span class="lineNum"> 394 </span> : COMMAND *command;</a>
|
|
<a name="395"><span class="lineNum"> 395 </span> : {</a>
|
|
<a name="396"><span class="lineNum"> 396 </span><span class="lineCov"> 129060045 : struct fd_bitmap *bitmap;</span></a>
|
|
<a name="397"><span class="lineNum"> 397 </span><span class="lineCov"> 129060045 : int result;</span></a>
|
|
<a name="398"><span class="lineNum"> 398 </span> : </a>
|
|
<a name="399"><span class="lineNum"> 399 </span><span class="lineCov"> 129060045 : current_fds_to_close = (struct fd_bitmap *)NULL;</span></a>
|
|
<a name="400"><span class="lineNum"> 400 </span><span class="lineCov"> 129060045 : bitmap = new_fd_bitmap (FD_BITMAP_DEFAULT_SIZE);</span></a>
|
|
<a name="401"><span class="lineNum"> 401 </span><span class="lineCov"> 129060045 : begin_unwind_frame ("execute-command");</span></a>
|
|
<a name="402"><span class="lineNum"> 402 </span><span class="lineCov"> 129060045 : add_unwind_protect (dispose_fd_bitmap, (char *)bitmap);</span></a>
|
|
<a name="403"><span class="lineNum"> 403 </span> : </a>
|
|
<a name="404"><span class="lineNum"> 404 </span> : /* Just do the command, but not asynchronously. */</a>
|
|
<a name="405"><span class="lineNum"> 405 </span><span class="lineCov"> 129060045 : result = execute_command_internal (command, 0, NO_PIPE, NO_PIPE, bitmap);</span></a>
|
|
<a name="406"><span class="lineNum"> 406 </span> : </a>
|
|
<a name="407"><span class="lineNum"> 407 </span><span class="lineCov"> 121565454 : dispose_fd_bitmap (bitmap);</span></a>
|
|
<a name="408"><span class="lineNum"> 408 </span><span class="lineCov"> 121565454 : discard_unwind_frame ("execute-command");</span></a>
|
|
<a name="409"><span class="lineNum"> 409 </span> : </a>
|
|
<a name="410"><span class="lineNum"> 410 </span> : #if defined (PROCESS_SUBSTITUTION)</a>
|
|
<a name="411"><span class="lineNum"> 411 </span> : /* don't unlink fifos if we're in a shell function; wait until the function</a>
|
|
<a name="412"><span class="lineNum"> 412 </span> : returns. */</a>
|
|
<a name="413"><span class="lineNum"> 413 </span><span class="lineCov"> 121565454 : if (variable_context == 0)</span></a>
|
|
<a name="414"><span class="lineNum"> 414 </span><span class="lineCov"> 121512789 : unlink_fifo_list ();</span></a>
|
|
<a name="415"><span class="lineNum"> 415 </span> : #endif /* PROCESS_SUBSTITUTION */</a>
|
|
<a name="416"><span class="lineNum"> 416 </span> : </a>
|
|
<a name="417"><span class="lineNum"> 417 </span><span class="lineCov"> 121565454 : QUIT;</span></a>
|
|
<a name="418"><span class="lineNum"> 418 </span><span class="lineCov"> 121565454 : return (result);</span></a>
|
|
<a name="419"><span class="lineNum"> 419 </span> : }</a>
|
|
<a name="420"><span class="lineNum"> 420 </span> : </a>
|
|
<a name="421"><span class="lineNum"> 421 </span> : /* Return 1 if TYPE is a shell control structure type. */</a>
|
|
<a name="422"><span class="lineNum"> 422 </span> : static int</a>
|
|
<a name="423"><span class="lineNum"> 423 </span> : shell_control_structure (type)</a>
|
|
<a name="424"><span class="lineNum"> 424 </span> : enum command_type type;</a>
|
|
<a name="425"><span class="lineNum"> 425 </span> : {</a>
|
|
<a name="426"><span class="lineNum"> 426 </span><span class="lineCov"> 282552706 : switch (type)</span></a>
|
|
<a name="427"><span class="lineNum"> 427 </span> : {</a>
|
|
<a name="428"><span class="lineNum"> 428 </span> : #if defined (ARITH_FOR_COMMAND)</a>
|
|
<a name="429"><span class="lineNum"> 429 </span> : case cm_arith_for:</a>
|
|
<a name="430"><span class="lineNum"> 430 </span> : #endif</a>
|
|
<a name="431"><span class="lineNum"> 431 </span> : #if defined (SELECT_COMMAND)</a>
|
|
<a name="432"><span class="lineNum"> 432 </span> : case cm_select:</a>
|
|
<a name="433"><span class="lineNum"> 433 </span> : #endif</a>
|
|
<a name="434"><span class="lineNum"> 434 </span> : #if defined (DPAREN_ARITHMETIC)</a>
|
|
<a name="435"><span class="lineNum"> 435 </span> : case cm_arith:</a>
|
|
<a name="436"><span class="lineNum"> 436 </span> : #endif</a>
|
|
<a name="437"><span class="lineNum"> 437 </span> : #if defined (COND_COMMAND)</a>
|
|
<a name="438"><span class="lineNum"> 438 </span> : case cm_cond:</a>
|
|
<a name="439"><span class="lineNum"> 439 </span> : #endif</a>
|
|
<a name="440"><span class="lineNum"> 440 </span> : case cm_case:</a>
|
|
<a name="441"><span class="lineNum"> 441 </span> : case cm_while:</a>
|
|
<a name="442"><span class="lineNum"> 442 </span> : case cm_until:</a>
|
|
<a name="443"><span class="lineNum"> 443 </span> : case cm_if:</a>
|
|
<a name="444"><span class="lineNum"> 444 </span> : case cm_for:</a>
|
|
<a name="445"><span class="lineNum"> 445 </span> : case cm_group:</a>
|
|
<a name="446"><span class="lineNum"> 446 </span> : case cm_function_def:</a>
|
|
<a name="447"><span class="lineNum"> 447 </span> : return (1);</a>
|
|
<a name="448"><span class="lineNum"> 448 </span> : </a>
|
|
<a name="449"><span class="lineNum"> 449 </span> : default:</a>
|
|
<a name="450"><span class="lineNum"> 450 </span> : return (0);</a>
|
|
<a name="451"><span class="lineNum"> 451 </span> : }</a>
|
|
<a name="452"><span class="lineNum"> 452 </span> : }</a>
|
|
<a name="453"><span class="lineNum"> 453 </span> : </a>
|
|
<a name="454"><span class="lineNum"> 454 </span> : /* A function to use to unwind_protect the redirection undo list</a>
|
|
<a name="455"><span class="lineNum"> 455 </span> : for loops. */</a>
|
|
<a name="456"><span class="lineNum"> 456 </span> : static void</a>
|
|
<a name="457"><span class="lineNum"> 457 </span><span class="lineCov"> 9 : cleanup_redirects (list)</span></a>
|
|
<a name="458"><span class="lineNum"> 458 </span> : REDIRECT *list;</a>
|
|
<a name="459"><span class="lineNum"> 459 </span> : {</a>
|
|
<a name="460"><span class="lineNum"> 460 </span><span class="lineCov"> 9 : do_redirections (list, RX_ACTIVE);</span></a>
|
|
<a name="461"><span class="lineNum"> 461 </span><span class="lineCov"> 24940839 : dispose_redirects (list);</span></a>
|
|
<a name="462"><span class="lineNum"> 462 </span><span class="lineCov"> 9 : }</span></a>
|
|
<a name="463"><span class="lineNum"> 463 </span> : </a>
|
|
<a name="464"><span class="lineNum"> 464 </span> : #if 0</a>
|
|
<a name="465"><span class="lineNum"> 465 </span> : /* Function to unwind_protect the redirections for functions and builtins. */</a>
|
|
<a name="466"><span class="lineNum"> 466 </span> : static void</a>
|
|
<a name="467"><span class="lineNum"> 467 </span> : cleanup_func_redirects (list)</a>
|
|
<a name="468"><span class="lineNum"> 468 </span> : REDIRECT *list;</a>
|
|
<a name="469"><span class="lineNum"> 469 </span> : {</a>
|
|
<a name="470"><span class="lineNum"> 470 </span> : do_redirections (list, RX_ACTIVE);</a>
|
|
<a name="471"><span class="lineNum"> 471 </span> : }</a>
|
|
<a name="472"><span class="lineNum"> 472 </span> : #endif</a>
|
|
<a name="473"><span class="lineNum"> 473 </span> : </a>
|
|
<a name="474"><span class="lineNum"> 474 </span> : void</a>
|
|
<a name="475"><span class="lineNum"> 475 </span><span class="lineCov"> 167 : dispose_exec_redirects ()</span></a>
|
|
<a name="476"><span class="lineNum"> 476 </span> : {</a>
|
|
<a name="477"><span class="lineNum"> 477 </span><span class="lineCov"> 167 : if (exec_redirection_undo_list)</span></a>
|
|
<a name="478"><span class="lineNum"> 478 </span> : {</a>
|
|
<a name="479"><span class="lineNum"> 479 </span><span class="lineCov"> 525 : dispose_redirects (exec_redirection_undo_list);</span></a>
|
|
<a name="480"><span class="lineNum"> 480 </span><span class="lineCov"> 525 : exec_redirection_undo_list = (REDIRECT *)NULL;</span></a>
|
|
<a name="481"><span class="lineNum"> 481 </span> : }</a>
|
|
<a name="482"><span class="lineNum"> 482 </span><span class="lineCov"> 167 : }</span></a>
|
|
<a name="483"><span class="lineNum"> 483 </span> : </a>
|
|
<a name="484"><span class="lineNum"> 484 </span> : #if defined (JOB_CONTROL)</a>
|
|
<a name="485"><span class="lineNum"> 485 </span> : /* A function to restore the signal mask to its proper value when the shell</a>
|
|
<a name="486"><span class="lineNum"> 486 </span> : is interrupted or errors occur while creating a pipeline. */</a>
|
|
<a name="487"><span class="lineNum"> 487 </span> : static int</a>
|
|
<a name="488"><span class="lineNum"> 488 </span><span class="lineCov"> 41 : restore_signal_mask (set)</span></a>
|
|
<a name="489"><span class="lineNum"> 489 </span> : sigset_t *set;</a>
|
|
<a name="490"><span class="lineNum"> 490 </span> : {</a>
|
|
<a name="491"><span class="lineNum"> 491 </span><span class="lineCov"> 41 : return (sigprocmask (SIG_SETMASK, set, (sigset_t *)NULL));</span></a>
|
|
<a name="492"><span class="lineNum"> 492 </span> : }</a>
|
|
<a name="493"><span class="lineNum"> 493 </span> : #endif /* JOB_CONTROL */</a>
|
|
<a name="494"><span class="lineNum"> 494 </span> : </a>
|
|
<a name="495"><span class="lineNum"> 495 </span> : #ifdef DEBUG</a>
|
|
<a name="496"><span class="lineNum"> 496 </span> : /* A debugging function that can be called from gdb, for instance. */</a>
|
|
<a name="497"><span class="lineNum"> 497 </span> : void</a>
|
|
<a name="498"><span class="lineNum"> 498 </span> : open_files ()</a>
|
|
<a name="499"><span class="lineNum"> 499 </span> : {</a>
|
|
<a name="500"><span class="lineNum"> 500 </span> : register int i;</a>
|
|
<a name="501"><span class="lineNum"> 501 </span> : int f, fd_table_size;</a>
|
|
<a name="502"><span class="lineNum"> 502 </span> : </a>
|
|
<a name="503"><span class="lineNum"> 503 </span> : fd_table_size = getdtablesize ();</a>
|
|
<a name="504"><span class="lineNum"> 504 </span> : </a>
|
|
<a name="505"><span class="lineNum"> 505 </span> : fprintf (stderr, "pid %ld open files:", (long)getpid ());</a>
|
|
<a name="506"><span class="lineNum"> 506 </span> : for (i = 3; i < fd_table_size; i++)</a>
|
|
<a name="507"><span class="lineNum"> 507 </span> : {</a>
|
|
<a name="508"><span class="lineNum"> 508 </span> : if ((f = fcntl (i, F_GETFD, 0)) != -1)</a>
|
|
<a name="509"><span class="lineNum"> 509 </span> : fprintf (stderr, " %d (%s)", i, f ? "close" : "open");</a>
|
|
<a name="510"><span class="lineNum"> 510 </span> : }</a>
|
|
<a name="511"><span class="lineNum"> 511 </span> : fprintf (stderr, "\n");</a>
|
|
<a name="512"><span class="lineNum"> 512 </span> : }</a>
|
|
<a name="513"><span class="lineNum"> 513 </span> : #endif</a>
|
|
<a name="514"><span class="lineNum"> 514 </span> : </a>
|
|
<a name="515"><span class="lineNum"> 515 </span> : static void</a>
|
|
<a name="516"><span class="lineNum"> 516 </span><span class="lineCov"> 8946 : async_redirect_stdin ()</span></a>
|
|
<a name="517"><span class="lineNum"> 517 </span> : {</a>
|
|
<a name="518"><span class="lineNum"> 518 </span><span class="lineCov"> 8946 : int fd;</span></a>
|
|
<a name="519"><span class="lineNum"> 519 </span> : </a>
|
|
<a name="520"><span class="lineNum"> 520 </span><span class="lineCov"> 8946 : fd = open ("/dev/null", O_RDONLY);</span></a>
|
|
<a name="521"><span class="lineNum"> 521 </span><span class="lineCov"> 8946 : if (fd > 0)</span></a>
|
|
<a name="522"><span class="lineNum"> 522 </span> : {</a>
|
|
<a name="523"><span class="lineNum"> 523 </span><span class="lineCov"> 8946 : dup2 (fd, 0);</span></a>
|
|
<a name="524"><span class="lineNum"> 524 </span><span class="lineCov"> 8946 : close (fd);</span></a>
|
|
<a name="525"><span class="lineNum"> 525 </span> : }</a>
|
|
<a name="526"><span class="lineNum"> 526 </span><span class="lineNoCov"> 0 : else if (fd < 0)</span></a>
|
|
<a name="527"><span class="lineNum"> 527 </span><span class="lineNoCov"> 0 : internal_error (_("cannot redirect standard input from /dev/null: %s"), strerror (errno));</span></a>
|
|
<a name="528"><span class="lineNum"> 528 </span><span class="lineCov"> 8946 : }</span></a>
|
|
<a name="529"><span class="lineNum"> 529 </span> : </a>
|
|
<a name="530"><span class="lineNum"> 530 </span> : #define DESCRIBE_PID(pid) do { if (interactive) describe_pid (pid); } while (0)</a>
|
|
<a name="531"><span class="lineNum"> 531 </span> : </a>
|
|
<a name="532"><span class="lineNum"> 532 </span> : extern int rpm_requires;</a>
|
|
<a name="533"><span class="lineNum"> 533 </span> : </a>
|
|
<a name="534"><span class="lineNum"> 534 </span> : /* Execute the command passed in COMMAND, perhaps doing it asynchronously.</a>
|
|
<a name="535"><span class="lineNum"> 535 </span> : COMMAND is exactly what read_command () places into GLOBAL_COMMAND.</a>
|
|
<a name="536"><span class="lineNum"> 536 </span> : ASYNCHROUNOUS, if non-zero, says to do this command in the background.</a>
|
|
<a name="537"><span class="lineNum"> 537 </span> : PIPE_IN and PIPE_OUT are file descriptors saying where input comes</a>
|
|
<a name="538"><span class="lineNum"> 538 </span> : from and where it goes. They can have the value of NO_PIPE, which means</a>
|
|
<a name="539"><span class="lineNum"> 539 </span> : I/O is stdin/stdout.</a>
|
|
<a name="540"><span class="lineNum"> 540 </span> : FDS_TO_CLOSE is a list of file descriptors to close once the child has</a>
|
|
<a name="541"><span class="lineNum"> 541 </span> : been forked. This list often contains the unusable sides of pipes, etc.</a>
|
|
<a name="542"><span class="lineNum"> 542 </span> : </a>
|
|
<a name="543"><span class="lineNum"> 543 </span> : EXECUTION_SUCCESS or EXECUTION_FAILURE are the only possible</a>
|
|
<a name="544"><span class="lineNum"> 544 </span> : return values. Executing a command with nothing in it returns</a>
|
|
<a name="545"><span class="lineNum"> 545 </span> : EXECUTION_SUCCESS. */</a>
|
|
<a name="546"><span class="lineNum"> 546 </span> : int</a>
|
|
<a name="547"><span class="lineNum"> 547 </span><span class="lineCov"> 153998844 : execute_command_internal (command, asynchronous, pipe_in, pipe_out,</span></a>
|
|
<a name="548"><span class="lineNum"> 548 </span> : fds_to_close)</a>
|
|
<a name="549"><span class="lineNum"> 549 </span> : COMMAND *command;</a>
|
|
<a name="550"><span class="lineNum"> 550 </span> : int asynchronous;</a>
|
|
<a name="551"><span class="lineNum"> 551 </span> : int pipe_in, pipe_out;</a>
|
|
<a name="552"><span class="lineNum"> 552 </span> : struct fd_bitmap *fds_to_close;</a>
|
|
<a name="553"><span class="lineNum"> 553 </span> : {</a>
|
|
<a name="554"><span class="lineNum"> 554 </span><span class="lineCov"> 153998844 : int exec_result, user_subshell, invert, ignore_return, was_error_trap;</span></a>
|
|
<a name="555"><span class="lineNum"> 555 </span><span class="lineCov"> 153998844 : REDIRECT *my_undo_list, *exec_undo_list;</span></a>
|
|
<a name="556"><span class="lineNum"> 556 </span><span class="lineCov"> 153998844 : char *tcmd;</span></a>
|
|
<a name="557"><span class="lineNum"> 557 </span><span class="lineCov"> 153998844 : volatile int save_line_number;</span></a>
|
|
<a name="558"><span class="lineNum"> 558 </span> : #if defined (PROCESS_SUBSTITUTION)</a>
|
|
<a name="559"><span class="lineNum"> 559 </span><span class="lineCov"> 153998844 : volatile int ofifo, nfifo, osize, saved_fifo;</span></a>
|
|
<a name="560"><span class="lineNum"> 560 </span><span class="lineCov"> 153998844 : volatile char *ofifo_list = 0;</span></a>
|
|
<a name="561"><span class="lineNum"> 561 </span> : #endif</a>
|
|
<a name="562"><span class="lineNum"> 562 </span> : </a>
|
|
<a name="563"><span class="lineNum"> 563 </span><span class="lineCov"> 153998844 : if (breaking || continuing)</span></a>
|
|
<a name="564"><span class="lineNum"> 564 </span><span class="lineNoCov"> 0 : return (last_command_exit_value);</span></a>
|
|
<a name="565"><span class="lineNum"> 565 </span><span class="lineCov"> 153998844 : if (command == 0 || (read_but_dont_execute && !rpm_requires))</span></a>
|
|
<a name="566"><span class="lineNum"> 566 </span> : return (EXECUTION_SUCCESS);</a>
|
|
<a name="567"><span class="lineNum"> 567 </span> : </a>
|
|
<a name="568"><span class="lineNum"> 568 </span><span class="lineCov"> 141276542 : if (rpm_requires && command->type == cm_function_def)</span></a>
|
|
<a name="569"><span class="lineNum"> 569 </span><span class="lineNoCov"> 0 : return last_command_exit_value =</span></a>
|
|
<a name="570"><span class="lineNum"> 570 </span><span class="lineNoCov"> 0 : execute_intern_function (command->value.Function_def->name,</span></a>
|
|
<a name="571"><span class="lineNum"> 571 </span><span class="lineNoCov"> 0 : command->value.Function_def);</span></a>
|
|
<a name="572"><span class="lineNum"> 572 </span> : </a>
|
|
<a name="573"><span class="lineNum"> 573 </span><span class="lineCov"> 141276542 : if (read_but_dont_execute)</span></a>
|
|
<a name="574"><span class="lineNum"> 574 </span> : return (EXECUTION_SUCCESS);</a>
|
|
<a name="575"><span class="lineNum"> 575 </span> : </a>
|
|
<a name="576"><span class="lineNum"> 576 </span><span class="lineCov"> 141276542 : QUIT;</span></a>
|
|
<a name="577"><span class="lineNum"> 577 </span><span class="lineCov"> 141276542 : run_pending_traps ();</span></a>
|
|
<a name="578"><span class="lineNum"> 578 </span> : </a>
|
|
<a name="579"><span class="lineNum"> 579 </span> : #if 0</a>
|
|
<a name="580"><span class="lineNum"> 580 </span> : if (running_trap == 0)</a>
|
|
<a name="581"><span class="lineNum"> 581 </span> : #endif</a>
|
|
<a name="582"><span class="lineNum"> 582 </span><span class="lineCov"> 141276542 : currently_executing_command = command;</span></a>
|
|
<a name="583"><span class="lineNum"> 583 </span> : </a>
|
|
<a name="584"><span class="lineNum"> 584 </span><span class="lineCov"> 141276542 : invert = (command->flags & CMD_INVERT_RETURN) != 0;</span></a>
|
|
<a name="585"><span class="lineNum"> 585 </span> : </a>
|
|
<a name="586"><span class="lineNum"> 586 </span> : /* If we're inverting the return value and `set -e' has been executed,</a>
|
|
<a name="587"><span class="lineNum"> 587 </span> : we don't want a failing command to inadvertently cause the shell</a>
|
|
<a name="588"><span class="lineNum"> 588 </span> : to exit. */</a>
|
|
<a name="589"><span class="lineNum"> 589 </span><span class="lineCov"> 141276542 : if (exit_immediately_on_error && invert) /* XXX */</span></a>
|
|
<a name="590"><span class="lineNum"> 590 </span><span class="lineNoCov"> 0 : command->flags |= CMD_IGNORE_RETURN; /* XXX */</span></a>
|
|
<a name="591"><span class="lineNum"> 591 </span> : </a>
|
|
<a name="592"><span class="lineNum"> 592 </span><span class="lineCov"> 141276542 : exec_result = EXECUTION_SUCCESS;</span></a>
|
|
<a name="593"><span class="lineNum"> 593 </span> : </a>
|
|
<a name="594"><span class="lineNum"> 594 </span> : /* If a command was being explicitly run in a subshell, or if it is</a>
|
|
<a name="595"><span class="lineNum"> 595 </span> : a shell control-structure, and it has a pipe, then we do the command</a>
|
|
<a name="596"><span class="lineNum"> 596 </span> : in a subshell. */</a>
|
|
<a name="597"><span class="lineNum"> 597 </span><span class="lineCov"> 141276542 : if (command->type == cm_subshell && (command->flags & CMD_NO_FORK))</span></a>
|
|
<a name="598"><span class="lineNum"> 598 </span><span class="lineNoCov"> 0 : return (execute_in_subshell (command, asynchronous, pipe_in, pipe_out, fds_to_close));</span></a>
|
|
<a name="599"><span class="lineNum"> 599 </span> : </a>
|
|
<a name="600"><span class="lineNum"> 600 </span> : #if defined (COPROCESS_SUPPORT)</a>
|
|
<a name="601"><span class="lineNum"> 601 </span><span class="lineCov"> 141276542 : if (command->type == cm_coproc)</span></a>
|
|
<a name="602"><span class="lineNum"> 602 </span><span class="lineNoCov"> 0 : return (execute_coproc (command, pipe_in, pipe_out, fds_to_close));</span></a>
|
|
<a name="603"><span class="lineNum"> 603 </span> : #endif</a>
|
|
<a name="604"><span class="lineNum"> 604 </span> : </a>
|
|
<a name="605"><span class="lineNum"> 605 </span><span class="lineCov"> 141276542 : user_subshell = command->type == cm_subshell || ((command->flags & CMD_WANT_SUBSHELL) != 0);</span></a>
|
|
<a name="606"><span class="lineNum"> 606 </span> : </a>
|
|
<a name="607"><span class="lineNum"> 607 </span><span class="lineCov"> 141276542 : if (command->type == cm_subshell ||</span></a>
|
|
<a name="608"><span class="lineNum"> 608 </span><span class="lineCov"> 141276437 : (command->flags & (CMD_WANT_SUBSHELL|CMD_FORCE_SUBSHELL)) ||</span></a>
|
|
<a name="609"><span class="lineNum"> 609 </span><span class="lineCov"> 188086629 : (shell_control_structure (command->type) &&</span></a>
|
|
<a name="610"><span class="lineNum"> 610 </span><span class="lineCov"> 46807270 : (pipe_out != NO_PIPE || pipe_in != NO_PIPE || asynchronous)))</span></a>
|
|
<a name="611"><span class="lineNum"> 611 </span> : {</a>
|
|
<a name="612"><span class="lineNum"> 612 </span><span class="lineCov"> 3601 : pid_t paren_pid;</span></a>
|
|
<a name="613"><span class="lineNum"> 613 </span><span class="lineCov"> 3601 : int s;</span></a>
|
|
<a name="614"><span class="lineNum"> 614 </span> : </a>
|
|
<a name="615"><span class="lineNum"> 615 </span> : /* Fork a subshell, turn off the subshell bit, turn off job</a>
|
|
<a name="616"><span class="lineNum"> 616 </span> : control and call execute_command () on the command again. */</a>
|
|
<a name="617"><span class="lineNum"> 617 </span><span class="lineCov"> 3601 : line_number_for_err_trap = line_number; /* XXX - save value? */</span></a>
|
|
<a name="618"><span class="lineNum"> 618 </span><span class="lineCov"> 3601 : tcmd = make_command_string (command);</span></a>
|
|
<a name="619"><span class="lineNum"> 619 </span><span class="lineCov"> 3601 : paren_pid = make_child (savestring (tcmd), asynchronous);</span></a>
|
|
<a name="620"><span class="lineNum"> 620 </span> : </a>
|
|
<a name="621"><span class="lineNum"> 621 </span><span class="lineCov"> 7202 : if (user_subshell && signal_is_trapped (ERROR_TRAP) && </span></a>
|
|
<a name="622"><span class="lineNum"> 622 </span><span class="lineNoCov"> 0 : signal_in_progress (DEBUG_TRAP) == 0 && running_trap == 0)</span></a>
|
|
<a name="623"><span class="lineNum"> 623 </span> : {</a>
|
|
<a name="624"><span class="lineNum"> 624 </span><span class="lineNoCov"> 0 : FREE (the_printed_command_except_trap);</span></a>
|
|
<a name="625"><span class="lineNum"> 625 </span><span class="lineNoCov"> 0 : the_printed_command_except_trap = savestring (the_printed_command);</span></a>
|
|
<a name="626"><span class="lineNum"> 626 </span> : }</a>
|
|
<a name="627"><span class="lineNum"> 627 </span> : </a>
|
|
<a name="628"><span class="lineNum"> 628 </span><span class="lineCov"> 7202 : if (paren_pid == 0)</span></a>
|
|
<a name="629"><span class="lineNum"> 629 </span> : {</a>
|
|
<a name="630"><span class="lineNum"> 630 </span> : /* We want to run the exit trap for forced {} subshells, and we</a>
|
|
<a name="631"><span class="lineNum"> 631 </span> : want to note this before execute_in_subshell modifies the</a>
|
|
<a name="632"><span class="lineNum"> 632 </span> : COMMAND struct. Need to keep in mind that execute_in_subshell</a>
|
|
<a name="633"><span class="lineNum"> 633 </span> : runs the exit trap for () subshells itself. */</a>
|
|
<a name="634"><span class="lineNum"> 634 </span> : /* This handles { command; } & */</a>
|
|
<a name="635"><span class="lineNum"> 635 </span><span class="lineCov"> 3601 : s = user_subshell == 0 && command->type == cm_group && pipe_in == NO_PIPE && pipe_out == NO_PIPE && asynchronous;</span></a>
|
|
<a name="636"><span class="lineNum"> 636 </span> : /* run exit trap for : | { ...; } and { ...; } | : */</a>
|
|
<a name="637"><span class="lineNum"> 637 </span> : /* run exit trap for : | ( ...; ) and ( ...; ) | : */</a>
|
|
<a name="638"><span class="lineNum"> 638 </span><span class="lineCov"> 3601 : s += user_subshell == 0 && command->type == cm_group && (pipe_in != NO_PIPE || pipe_out != NO_PIPE) && asynchronous == 0;</span></a>
|
|
<a name="639"><span class="lineNum"> 639 </span> : </a>
|
|
<a name="640"><span class="lineNum"> 640 </span><span class="lineCov"> 3601 : last_command_exit_value = execute_in_subshell (command, asynchronous, pipe_in, pipe_out, fds_to_close);</span></a>
|
|
<a name="641"><span class="lineNum"> 641 </span><span class="lineCov"> 3589 : if (s)</span></a>
|
|
<a name="642"><span class="lineNum"> 642 </span><span class="lineNoCov"> 0 : subshell_exit (last_command_exit_value);</span></a>
|
|
<a name="643"><span class="lineNum"> 643 </span> : else</a>
|
|
<a name="644"><span class="lineNum"> 644 </span><span class="lineCov"> 3589 : sh_exit (last_command_exit_value);</span></a>
|
|
<a name="645"><span class="lineNum"> 645 </span> : /* NOTREACHED */</a>
|
|
<a name="646"><span class="lineNum"> 646 </span> : }</a>
|
|
<a name="647"><span class="lineNum"> 647 </span> : else</a>
|
|
<a name="648"><span class="lineNum"> 648 </span> : {</a>
|
|
<a name="649"><span class="lineNum"> 649 </span><span class="lineCov"> 3601 : close_pipes (pipe_in, pipe_out);</span></a>
|
|
<a name="650"><span class="lineNum"> 650 </span> : </a>
|
|
<a name="651"><span class="lineNum"> 651 </span> : #if defined (PROCESS_SUBSTITUTION) && defined (HAVE_DEV_FD)</a>
|
|
<a name="652"><span class="lineNum"> 652 </span><span class="lineCov"> 3601 : if (variable_context == 0) /* wait until shell function completes */</span></a>
|
|
<a name="653"><span class="lineNum"> 653 </span><span class="lineCov"> 2209 : unlink_fifo_list ();</span></a>
|
|
<a name="654"><span class="lineNum"> 654 </span> : #endif</a>
|
|
<a name="655"><span class="lineNum"> 655 </span> : /* If we are part of a pipeline, and not the end of the pipeline,</a>
|
|
<a name="656"><span class="lineNum"> 656 </span> : then we should simply return and let the last command in the</a>
|
|
<a name="657"><span class="lineNum"> 657 </span> : pipe be waited for. If we are not in a pipeline, or are the</a>
|
|
<a name="658"><span class="lineNum"> 658 </span> : last command in the pipeline, then we wait for the subshell</a>
|
|
<a name="659"><span class="lineNum"> 659 </span> : and return its exit status as usual. */</a>
|
|
<a name="660"><span class="lineNum"> 660 </span><span class="lineCov"> 3601 : if (pipe_out != NO_PIPE)</span></a>
|
|
<a name="661"><span class="lineNum"> 661 </span> : return (EXECUTION_SUCCESS);</a>
|
|
<a name="662"><span class="lineNum"> 662 </span> : </a>
|
|
<a name="663"><span class="lineNum"> 663 </span><span class="lineCov"> 3601 : stop_pipeline (asynchronous, (COMMAND *)NULL);</span></a>
|
|
<a name="664"><span class="lineNum"> 664 </span> : </a>
|
|
<a name="665"><span class="lineNum"> 665 </span><span class="lineCov"> 3601 : if (asynchronous == 0)</span></a>
|
|
<a name="666"><span class="lineNum"> 666 </span> : {</a>
|
|
<a name="667"><span class="lineNum"> 667 </span><span class="lineCov"> 3154 : was_error_trap = signal_is_trapped (ERROR_TRAP) && signal_is_ignored (ERROR_TRAP) == 0;</span></a>
|
|
<a name="668"><span class="lineNum"> 668 </span><span class="lineCov"> 3154 : invert = (command->flags & CMD_INVERT_RETURN) != 0;</span></a>
|
|
<a name="669"><span class="lineNum"> 669 </span><span class="lineCov"> 3154 : ignore_return = (command->flags & CMD_IGNORE_RETURN) != 0;</span></a>
|
|
<a name="670"><span class="lineNum"> 670 </span> : </a>
|
|
<a name="671"><span class="lineNum"> 671 </span><span class="lineCov"> 3154 : exec_result = wait_for (paren_pid);</span></a>
|
|
<a name="672"><span class="lineNum"> 672 </span> : </a>
|
|
<a name="673"><span class="lineNum"> 673 </span> : /* If we have to, invert the return value. */</a>
|
|
<a name="674"><span class="lineNum"> 674 </span><span class="lineCov"> 3154 : if (invert)</span></a>
|
|
<a name="675"><span class="lineNum"> 675 </span><span class="lineNoCov"> 0 : exec_result = ((exec_result == EXECUTION_SUCCESS)</span></a>
|
|
<a name="676"><span class="lineNum"> 676 </span> : ? EXECUTION_FAILURE</a>
|
|
<a name="677"><span class="lineNum"> 677 </span><span class="lineNoCov"> 0 : : EXECUTION_SUCCESS);</span></a>
|
|
<a name="678"><span class="lineNum"> 678 </span> : </a>
|
|
<a name="679"><span class="lineNum"> 679 </span><span class="lineCov"> 3154 : last_command_exit_value = exec_result;</span></a>
|
|
<a name="680"><span class="lineNum"> 680 </span><span class="lineCov"> 3154 : if (user_subshell && was_error_trap && ignore_return == 0 && invert == 0 && exec_result != EXECUTION_SUCCESS)</span></a>
|
|
<a name="681"><span class="lineNum"> 681 </span> : {</a>
|
|
<a name="682"><span class="lineNum"> 682 </span><span class="lineNoCov"> 0 : save_line_number = line_number;</span></a>
|
|
<a name="683"><span class="lineNum"> 683 </span><span class="lineNoCov"> 0 : line_number = line_number_for_err_trap;</span></a>
|
|
<a name="684"><span class="lineNum"> 684 </span><span class="lineNoCov"> 0 : run_error_trap ();</span></a>
|
|
<a name="685"><span class="lineNum"> 685 </span><span class="lineNoCov"> 0 : line_number = save_line_number;</span></a>
|
|
<a name="686"><span class="lineNum"> 686 </span> : }</a>
|
|
<a name="687"><span class="lineNum"> 687 </span> : </a>
|
|
<a name="688"><span class="lineNum"> 688 </span><span class="lineCov"> 3154 : if (user_subshell && ignore_return == 0 && invert == 0 && exit_immediately_on_error && exec_result != EXECUTION_SUCCESS)</span></a>
|
|
<a name="689"><span class="lineNum"> 689 </span> : {</a>
|
|
<a name="690"><span class="lineNum"> 690 </span><span class="lineNoCov"> 0 : run_pending_traps ();</span></a>
|
|
<a name="691"><span class="lineNum"> 691 </span><span class="lineNoCov"> 0 : jump_to_top_level (ERREXIT);</span></a>
|
|
<a name="692"><span class="lineNum"> 692 </span> : }</a>
|
|
<a name="693"><span class="lineNum"> 693 </span> : </a>
|
|
<a name="694"><span class="lineNum"> 694 </span><span class="lineCov"> 3154 : return (last_command_exit_value);</span></a>
|
|
<a name="695"><span class="lineNum"> 695 </span> : }</a>
|
|
<a name="696"><span class="lineNum"> 696 </span> : else</a>
|
|
<a name="697"><span class="lineNum"> 697 </span> : {</a>
|
|
<a name="698"><span class="lineNum"> 698 </span><span class="lineCov"> 447 : DESCRIBE_PID (paren_pid);</span></a>
|
|
<a name="699"><span class="lineNum"> 699 </span> : </a>
|
|
<a name="700"><span class="lineNum"> 700 </span><span class="lineCov"> 447 : run_pending_traps ();</span></a>
|
|
<a name="701"><span class="lineNum"> 701 </span> : </a>
|
|
<a name="702"><span class="lineNum"> 702 </span> : /* Posix 2013 2.9.3.1: "the exit status of an asynchronous list</a>
|
|
<a name="703"><span class="lineNum"> 703 </span> : shall be zero." */</a>
|
|
<a name="704"><span class="lineNum"> 704 </span><span class="lineCov"> 447 : last_command_exit_value = 0;</span></a>
|
|
<a name="705"><span class="lineNum"> 705 </span><span class="lineCov"> 447 : return (EXECUTION_SUCCESS);</span></a>
|
|
<a name="706"><span class="lineNum"> 706 </span> : }</a>
|
|
<a name="707"><span class="lineNum"> 707 </span> : }</a>
|
|
<a name="708"><span class="lineNum"> 708 </span> : }</a>
|
|
<a name="709"><span class="lineNum"> 709 </span> : </a>
|
|
<a name="710"><span class="lineNum"> 710 </span> : #if defined (COMMAND_TIMING)</a>
|
|
<a name="711"><span class="lineNum"> 711 </span> : if (command->flags & CMD_TIME_PIPELINE)</a>
|
|
<a name="712"><span class="lineNum"> 712 </span> : {</a>
|
|
<a name="713"><span class="lineNum"> 713 </span> : if (asynchronous)</a>
|
|
<a name="714"><span class="lineNum"> 714 </span> : {</a>
|
|
<a name="715"><span class="lineNum"> 715 </span> : command->flags |= CMD_FORCE_SUBSHELL;</a>
|
|
<a name="716"><span class="lineNum"> 716 </span> : exec_result = execute_command_internal (command, 1, pipe_in, pipe_out, fds_to_close);</a>
|
|
<a name="717"><span class="lineNum"> 717 </span> : }</a>
|
|
<a name="718"><span class="lineNum"> 718 </span> : else</a>
|
|
<a name="719"><span class="lineNum"> 719 </span> : {</a>
|
|
<a name="720"><span class="lineNum"> 720 </span> : exec_result = time_command (command, asynchronous, pipe_in, pipe_out, fds_to_close);</a>
|
|
<a name="721"><span class="lineNum"> 721 </span> : #if 0</a>
|
|
<a name="722"><span class="lineNum"> 722 </span> : if (running_trap == 0)</a>
|
|
<a name="723"><span class="lineNum"> 723 </span> : #endif</a>
|
|
<a name="724"><span class="lineNum"> 724 </span> : currently_executing_command = (COMMAND *)NULL;</a>
|
|
<a name="725"><span class="lineNum"> 725 </span> : }</a>
|
|
<a name="726"><span class="lineNum"> 726 </span> : return (exec_result);</a>
|
|
<a name="727"><span class="lineNum"> 727 </span> : }</a>
|
|
<a name="728"><span class="lineNum"> 728 </span> : #endif /* COMMAND_TIMING */</a>
|
|
<a name="729"><span class="lineNum"> 729 </span> : </a>
|
|
<a name="730"><span class="lineNum"> 730 </span><span class="lineCov"> 188079973 : if (shell_control_structure (command->type) && command->redirects)</span></a>
|
|
<a name="731"><span class="lineNum"> 731 </span><span class="lineCov"> 9 : stdin_redir = stdin_redirects (command->redirects);</span></a>
|
|
<a name="732"><span class="lineNum"> 732 </span> : </a>
|
|
<a name="733"><span class="lineNum"> 733 </span> : #if defined (PROCESS_SUBSTITUTION)</a>
|
|
<a name="734"><span class="lineNum"> 734 </span><span class="lineCov"> 141272941 : if (variable_context != 0)</span></a>
|
|
<a name="735"><span class="lineNum"> 735 </span> : {</a>
|
|
<a name="736"><span class="lineNum"> 736 </span><span class="lineCov"> 93858 : ofifo = num_fifos ();</span></a>
|
|
<a name="737"><span class="lineNum"> 737 </span><span class="lineCov"> 93858 : ofifo_list = copy_fifo_list ((int *)&osize);</span></a>
|
|
<a name="738"><span class="lineNum"> 738 </span><span class="lineCov"> 93858 : begin_unwind_frame ("internal_fifos");</span></a>
|
|
<a name="739"><span class="lineNum"> 739 </span><span class="lineCov"> 93858 : add_unwind_protect (xfree, ofifo_list);</span></a>
|
|
<a name="740"><span class="lineNum"> 740 </span><span class="lineCov"> 93858 : saved_fifo = 1;</span></a>
|
|
<a name="741"><span class="lineNum"> 741 </span> : }</a>
|
|
<a name="742"><span class="lineNum"> 742 </span> : else</a>
|
|
<a name="743"><span class="lineNum"> 743 </span><span class="lineCov"> 141179083 : saved_fifo = 0;</span></a>
|
|
<a name="744"><span class="lineNum"> 744 </span> : #endif</a>
|
|
<a name="745"><span class="lineNum"> 745 </span> : </a>
|
|
<a name="746"><span class="lineNum"> 746 </span> : /* Handle WHILE FOR CASE etc. with redirections. (Also '&' input</a>
|
|
<a name="747"><span class="lineNum"> 747 </span> : redirection.) */</a>
|
|
<a name="748"><span class="lineNum"> 748 </span><span class="lineCov"> 141272941 : if (do_redirections (command->redirects, RX_ACTIVE|RX_UNDOABLE) != 0)</span></a>
|
|
<a name="749"><span class="lineNum"> 749 </span> : {</a>
|
|
<a name="750"><span class="lineNum"> 750 </span><span class="lineNoCov"> 0 : cleanup_redirects (redirection_undo_list);</span></a>
|
|
<a name="751"><span class="lineNum"> 751 </span><span class="lineNoCov"> 0 : redirection_undo_list = (REDIRECT *)NULL;</span></a>
|
|
<a name="752"><span class="lineNum"> 752 </span><span class="lineNoCov"> 0 : dispose_exec_redirects ();</span></a>
|
|
<a name="753"><span class="lineNum"> 753 </span> : #if defined (PROCESS_SUBSTITUTION)</a>
|
|
<a name="754"><span class="lineNum"> 754 </span><span class="lineNoCov"> 0 : if (saved_fifo)</span></a>
|
|
<a name="755"><span class="lineNum"> 755 </span> : {</a>
|
|
<a name="756"><span class="lineNum"> 756 </span><span class="lineNoCov"> 0 : free ((void *)ofifo_list);</span></a>
|
|
<a name="757"><span class="lineNum"> 757 </span><span class="lineNoCov"> 0 : discard_unwind_frame ("internal_fifos");</span></a>
|
|
<a name="758"><span class="lineNum"> 758 </span> : }</a>
|
|
<a name="759"><span class="lineNum"> 759 </span> : #endif</a>
|
|
<a name="760"><span class="lineNum"> 760 </span><span class="lineNoCov"> 0 : return (last_command_exit_value = EXECUTION_FAILURE);</span></a>
|
|
<a name="761"><span class="lineNum"> 761 </span> : }</a>
|
|
<a name="762"><span class="lineNum"> 762 </span> : </a>
|
|
<a name="763"><span class="lineNum"> 763 </span><span class="lineCov"> 141272941 : if (redirection_undo_list)</span></a>
|
|
<a name="764"><span class="lineNum"> 764 </span> : {</a>
|
|
<a name="765"><span class="lineNum"> 765 </span> : /* XXX - why copy here? */</a>
|
|
<a name="766"><span class="lineNum"> 766 </span><span class="lineCov"> 9 : my_undo_list = (REDIRECT *)copy_redirects (redirection_undo_list);</span></a>
|
|
<a name="767"><span class="lineNum"> 767 </span><span class="lineCov"> 9 : dispose_redirects (redirection_undo_list);</span></a>
|
|
<a name="768"><span class="lineNum"> 768 </span><span class="lineCov"> 9 : redirection_undo_list = (REDIRECT *)NULL;</span></a>
|
|
<a name="769"><span class="lineNum"> 769 </span> : }</a>
|
|
<a name="770"><span class="lineNum"> 770 </span> : else</a>
|
|
<a name="771"><span class="lineNum"> 771 </span> : my_undo_list = (REDIRECT *)NULL;</a>
|
|
<a name="772"><span class="lineNum"> 772 </span> : </a>
|
|
<a name="773"><span class="lineNum"> 773 </span><span class="lineCov"> 141272941 : if (exec_redirection_undo_list)</span></a>
|
|
<a name="774"><span class="lineNum"> 774 </span> : {</a>
|
|
<a name="775"><span class="lineNum"> 775 </span> : /* XXX - why copy here? */</a>
|
|
<a name="776"><span class="lineNum"> 776 </span><span class="lineCov"> 9 : exec_undo_list = (REDIRECT *)copy_redirects (exec_redirection_undo_list);</span></a>
|
|
<a name="777"><span class="lineNum"> 777 </span><span class="lineCov"> 9 : dispose_redirects (exec_redirection_undo_list);</span></a>
|
|
<a name="778"><span class="lineNum"> 778 </span><span class="lineCov"> 9 : exec_redirection_undo_list = (REDIRECT *)NULL;</span></a>
|
|
<a name="779"><span class="lineNum"> 779 </span> : }</a>
|
|
<a name="780"><span class="lineNum"> 780 </span> : else</a>
|
|
<a name="781"><span class="lineNum"> 781 </span> : exec_undo_list = (REDIRECT *)NULL;</a>
|
|
<a name="782"><span class="lineNum"> 782 </span> : </a>
|
|
<a name="783"><span class="lineNum"> 783 </span><span class="lineCov"> 141272941 : if (my_undo_list || exec_undo_list)</span></a>
|
|
<a name="784"><span class="lineNum"> 784 </span><span class="lineCov"> 9 : begin_unwind_frame ("loop_redirections");</span></a>
|
|
<a name="785"><span class="lineNum"> 785 </span> : </a>
|
|
<a name="786"><span class="lineNum"> 786 </span><span class="lineCov"> 141272941 : if (my_undo_list)</span></a>
|
|
<a name="787"><span class="lineNum"> 787 </span><span class="lineCov"> 9 : add_unwind_protect ((Function *)cleanup_redirects, my_undo_list);</span></a>
|
|
<a name="788"><span class="lineNum"> 788 </span> : </a>
|
|
<a name="789"><span class="lineNum"> 789 </span><span class="lineCov"> 141272941 : if (exec_undo_list)</span></a>
|
|
<a name="790"><span class="lineNum"> 790 </span><span class="lineCov"> 9 : add_unwind_protect ((Function *)dispose_redirects, exec_undo_list);</span></a>
|
|
<a name="791"><span class="lineNum"> 791 </span> : </a>
|
|
<a name="792"><span class="lineNum"> 792 </span><span class="lineCov"> 141272941 : ignore_return = (command->flags & CMD_IGNORE_RETURN) != 0;</span></a>
|
|
<a name="793"><span class="lineNum"> 793 </span> : </a>
|
|
<a name="794"><span class="lineNum"> 794 </span><span class="lineCov"> 141272941 : QUIT;</span></a>
|
|
<a name="795"><span class="lineNum"> 795 </span> : </a>
|
|
<a name="796"><span class="lineNum"> 796 </span><span class="lineCov"> 141272941 : switch (command->type)</span></a>
|
|
<a name="797"><span class="lineNum"> 797 </span> : {</a>
|
|
<a name="798"><span class="lineNum"> 798 </span><span class="lineCov"> 86303246 : case cm_simple:</span></a>
|
|
<a name="799"><span class="lineNum"> 799 </span> : {</a>
|
|
<a name="800"><span class="lineNum"> 800 </span><span class="lineCov"> 86303246 : save_line_number = line_number;</span></a>
|
|
<a name="801"><span class="lineNum"> 801 </span> : /* We can't rely on variables retaining their values across a</a>
|
|
<a name="802"><span class="lineNum"> 802 </span> : call to execute_simple_command if a longjmp occurs as the</a>
|
|
<a name="803"><span class="lineNum"> 803 </span> : result of a `return' builtin. This is true for sure with gcc. */</a>
|
|
<a name="804"><span class="lineNum"> 804 </span> : #if defined (RECYCLES_PIDS)</a>
|
|
<a name="805"><span class="lineNum"> 805 </span><span class="lineCov"> 86303246 : last_made_pid = NO_PID;</span></a>
|
|
<a name="806"><span class="lineNum"> 806 </span> : #endif</a>
|
|
<a name="807"><span class="lineNum"> 807 </span><span class="lineCov"> 86303246 : was_error_trap = signal_is_trapped (ERROR_TRAP) && signal_is_ignored (ERROR_TRAP) == 0;</span></a>
|
|
<a name="808"><span class="lineNum"> 808 </span> : </a>
|
|
<a name="809"><span class="lineNum"> 809 </span><span class="lineCov"> 86303246 : if (ignore_return && command->value.Simple)</span></a>
|
|
<a name="810"><span class="lineNum"> 810 </span><span class="lineCov"> 24847797 : command->value.Simple->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="811"><span class="lineNum"> 811 </span><span class="lineCov"> 86303246 : if (command->flags & CMD_STDIN_REDIR)</span></a>
|
|
<a name="812"><span class="lineNum"> 812 </span><span class="lineCov"> 9625 : command->value.Simple->flags |= CMD_STDIN_REDIR;</span></a>
|
|
<a name="813"><span class="lineNum"> 813 </span> : </a>
|
|
<a name="814"><span class="lineNum"> 814 </span><span class="lineCov"> 86303246 : line_number_for_err_trap = line_number = command->value.Simple->line;</span></a>
|
|
<a name="815"><span class="lineNum"> 815 </span><span class="lineCov"> 86303246 : exec_result =</span></a>
|
|
<a name="816"><span class="lineNum"> 816 </span><span class="lineCov"> 86303246 : execute_simple_command (command->value.Simple, pipe_in, pipe_out,</span></a>
|
|
<a name="817"><span class="lineNum"> 817 </span> : asynchronous, fds_to_close);</a>
|
|
<a name="818"><span class="lineNum"> 818 </span><span class="lineCov"> 78954924 : line_number = save_line_number;</span></a>
|
|
<a name="819"><span class="lineNum"> 819 </span> : </a>
|
|
<a name="820"><span class="lineNum"> 820 </span> : /* The temporary environment should be used for only the simple</a>
|
|
<a name="821"><span class="lineNum"> 821 </span> : command immediately following its definition. */</a>
|
|
<a name="822"><span class="lineNum"> 822 </span><span class="lineCov"> 78954924 : dispose_used_env_vars ();</span></a>
|
|
<a name="823"><span class="lineNum"> 823 </span> : </a>
|
|
<a name="824"><span class="lineNum"> 824 </span> : #if (defined (ultrix) && defined (mips)) || defined (C_ALLOCA)</a>
|
|
<a name="825"><span class="lineNum"> 825 </span> : /* Reclaim memory allocated with alloca () on machines which</a>
|
|
<a name="826"><span class="lineNum"> 826 </span> : may be using the alloca emulation code. */</a>
|
|
<a name="827"><span class="lineNum"> 827 </span> : (void) alloca (0);</a>
|
|
<a name="828"><span class="lineNum"> 828 </span> : #endif /* (ultrix && mips) || C_ALLOCA */</a>
|
|
<a name="829"><span class="lineNum"> 829 </span> : </a>
|
|
<a name="830"><span class="lineNum"> 830 </span> : /* If we forked to do the command, then we must wait_for ()</a>
|
|
<a name="831"><span class="lineNum"> 831 </span> : the child. */</a>
|
|
<a name="832"><span class="lineNum"> 832 </span> : </a>
|
|
<a name="833"><span class="lineNum"> 833 </span> : /* XXX - this is something to watch out for if there are problems</a>
|
|
<a name="834"><span class="lineNum"> 834 </span> : when the shell is compiled without job control. Don't worry about</a>
|
|
<a name="835"><span class="lineNum"> 835 </span> : whether or not last_made_pid == last_pid; already_making_children</a>
|
|
<a name="836"><span class="lineNum"> 836 </span> : tells us whether or not there are unwaited-for children to wait</a>
|
|
<a name="837"><span class="lineNum"> 837 </span> : for and reap. */</a>
|
|
<a name="838"><span class="lineNum"> 838 </span><span class="lineCov"> 78954924 : if (already_making_children && pipe_out == NO_PIPE)</span></a>
|
|
<a name="839"><span class="lineNum"> 839 </span> : {</a>
|
|
<a name="840"><span class="lineNum"> 840 </span><span class="lineCov"> 9436189 : stop_pipeline (asynchronous, (COMMAND *)NULL);</span></a>
|
|
<a name="841"><span class="lineNum"> 841 </span> : </a>
|
|
<a name="842"><span class="lineNum"> 842 </span><span class="lineCov"> 9436189 : if (asynchronous)</span></a>
|
|
<a name="843"><span class="lineNum"> 843 </span> : {</a>
|
|
<a name="844"><span class="lineNum"> 844 </span><span class="lineCov"> 12900 : DESCRIBE_PID (last_made_pid);</span></a>
|
|
<a name="845"><span class="lineNum"> 845 </span> : exec_result = EXECUTION_SUCCESS;</a>
|
|
<a name="846"><span class="lineNum"> 846 </span> : invert = 0; /* async commands always succeed */</a>
|
|
<a name="847"><span class="lineNum"> 847 </span> : }</a>
|
|
<a name="848"><span class="lineNum"> 848 </span> : else</a>
|
|
<a name="849"><span class="lineNum"> 849 </span> : #if !defined (JOB_CONTROL)</a>
|
|
<a name="850"><span class="lineNum"> 850 </span> : /* Do not wait for asynchronous processes started from</a>
|
|
<a name="851"><span class="lineNum"> 851 </span> : startup files. */</a>
|
|
<a name="852"><span class="lineNum"> 852 </span> : if (last_made_pid != NO_PID && last_made_pid != last_asynchronous_pid)</a>
|
|
<a name="853"><span class="lineNum"> 853 </span> : #else</a>
|
|
<a name="854"><span class="lineNum"> 854 </span><span class="lineCov"> 9423289 : if (last_made_pid != NO_PID)</span></a>
|
|
<a name="855"><span class="lineNum"> 855 </span> : #endif</a>
|
|
<a name="856"><span class="lineNum"> 856 </span> : /* When executing a shell function that executes other</a>
|
|
<a name="857"><span class="lineNum"> 857 </span> : commands, this causes the last simple command in</a>
|
|
<a name="858"><span class="lineNum"> 858 </span> : the function to be waited for twice. This also causes</a>
|
|
<a name="859"><span class="lineNum"> 859 </span> : subshells forked to execute builtin commands (e.g., in</a>
|
|
<a name="860"><span class="lineNum"> 860 </span> : pipelines) to be waited for twice. */</a>
|
|
<a name="861"><span class="lineNum"> 861 </span><span class="lineCov"> 9423289 : exec_result = wait_for (last_made_pid);</span></a>
|
|
<a name="862"><span class="lineNum"> 862 </span> : }</a>
|
|
<a name="863"><span class="lineNum"> 863 </span> : }</a>
|
|
<a name="864"><span class="lineNum"> 864 </span> : </a>
|
|
<a name="865"><span class="lineNum"> 865 </span> : /* 2009/02/13 -- pipeline failure is processed elsewhere. This handles</a>
|
|
<a name="866"><span class="lineNum"> 866 </span> : only the failure of a simple command. */</a>
|
|
<a name="867"><span class="lineNum"> 867 </span><span class="lineCov"> 78954924 : if (was_error_trap && ignore_return == 0 && invert == 0 && pipe_in == NO_PIPE && pipe_out == NO_PIPE && exec_result != EXECUTION_SUCCESS)</span></a>
|
|
<a name="868"><span class="lineNum"> 868 </span> : {</a>
|
|
<a name="869"><span class="lineNum"> 869 </span><span class="lineNoCov"> 0 : last_command_exit_value = exec_result;</span></a>
|
|
<a name="870"><span class="lineNum"> 870 </span><span class="lineNoCov"> 0 : line_number = line_number_for_err_trap;</span></a>
|
|
<a name="871"><span class="lineNum"> 871 </span><span class="lineNoCov"> 0 : run_error_trap ();</span></a>
|
|
<a name="872"><span class="lineNum"> 872 </span><span class="lineNoCov"> 0 : line_number = save_line_number;</span></a>
|
|
<a name="873"><span class="lineNum"> 873 </span> : }</a>
|
|
<a name="874"><span class="lineNum"> 874 </span> : </a>
|
|
<a name="875"><span class="lineNum"> 875 </span><span class="lineCov"> 78954924 : if (ignore_return == 0 && invert == 0 &&</span></a>
|
|
<a name="876"><span class="lineNum"> 876 </span><span class="lineCov"> 54106777 : ((posixly_correct && interactive == 0 && special_builtin_failed) ||</span></a>
|
|
<a name="877"><span class="lineNum"> 877 </span><span class="lineCov"> 54106777 : (exit_immediately_on_error && pipe_in == NO_PIPE && pipe_out == NO_PIPE && exec_result != EXECUTION_SUCCESS)))</span></a>
|
|
<a name="878"><span class="lineNum"> 878 </span> : {</a>
|
|
<a name="879"><span class="lineNum"> 879 </span><span class="lineNoCov"> 0 : last_command_exit_value = exec_result;</span></a>
|
|
<a name="880"><span class="lineNum"> 880 </span><span class="lineNoCov"> 0 : run_pending_traps ();</span></a>
|
|
<a name="881"><span class="lineNum"> 881 </span> : </a>
|
|
<a name="882"><span class="lineNum"> 882 </span> : /* Undo redirections before running exit trap on the way out of</a>
|
|
<a name="883"><span class="lineNum"> 883 </span> : set -e. Report by Mark Farrell 5/19/2014 */</a>
|
|
<a name="884"><span class="lineNum"> 884 </span><span class="lineNoCov"> 0 : if (exit_immediately_on_error && signal_is_trapped (0) &&</span></a>
|
|
<a name="885"><span class="lineNum"> 885 </span><span class="lineNoCov"> 0 : unwind_protect_tag_on_stack ("saved-redirects"))</span></a>
|
|
<a name="886"><span class="lineNum"> 886 </span><span class="lineNoCov"> 0 : run_unwind_frame ("saved-redirects");</span></a>
|
|
<a name="887"><span class="lineNum"> 887 </span> : </a>
|
|
<a name="888"><span class="lineNum"> 888 </span><span class="lineNoCov"> 0 : jump_to_top_level (ERREXIT);</span></a>
|
|
<a name="889"><span class="lineNum"> 889 </span> : }</a>
|
|
<a name="890"><span class="lineNum"> 890 </span> : </a>
|
|
<a name="891"><span class="lineNum"> 891 </span> : break;</a>
|
|
<a name="892"><span class="lineNum"> 892 </span> : </a>
|
|
<a name="893"><span class="lineNum"> 893 </span><span class="lineNoCov"> 0 : case cm_for:</span></a>
|
|
<a name="894"><span class="lineNum"> 894 </span><span class="lineNoCov"> 0 : if (ignore_return)</span></a>
|
|
<a name="895"><span class="lineNum"> 895 </span><span class="lineNoCov"> 0 : command->value.For->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="896"><span class="lineNum"> 896 </span><span class="lineNoCov"> 0 : exec_result = execute_for_command (command->value.For);</span></a>
|
|
<a name="897"><span class="lineNum"> 897 </span><span class="lineNoCov"> 0 : break;</span></a>
|
|
<a name="898"><span class="lineNum"> 898 </span> : </a>
|
|
<a name="899"><span class="lineNum"> 899 </span> : #if defined (ARITH_FOR_COMMAND)</a>
|
|
<a name="900"><span class="lineNum"> 900 </span><span class="lineNoCov"> 0 : case cm_arith_for:</span></a>
|
|
<a name="901"><span class="lineNum"> 901 </span><span class="lineNoCov"> 0 : if (ignore_return)</span></a>
|
|
<a name="902"><span class="lineNum"> 902 </span><span class="lineNoCov"> 0 : command->value.ArithFor->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="903"><span class="lineNum"> 903 </span><span class="lineNoCov"> 0 : exec_result = execute_arith_for_command (command->value.ArithFor);</span></a>
|
|
<a name="904"><span class="lineNum"> 904 </span><span class="lineNoCov"> 0 : break;</span></a>
|
|
<a name="905"><span class="lineNum"> 905 </span> : #endif</a>
|
|
<a name="906"><span class="lineNum"> 906 </span> : </a>
|
|
<a name="907"><span class="lineNum"> 907 </span> : #if defined (SELECT_COMMAND)</a>
|
|
<a name="908"><span class="lineNum"> 908 </span><span class="lineNoCov"> 0 : case cm_select:</span></a>
|
|
<a name="909"><span class="lineNum"> 909 </span><span class="lineNoCov"> 0 : if (ignore_return)</span></a>
|
|
<a name="910"><span class="lineNum"> 910 </span><span class="lineNoCov"> 0 : command->value.Select->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="911"><span class="lineNum"> 911 </span><span class="lineNoCov"> 0 : exec_result = execute_select_command (command->value.Select);</span></a>
|
|
<a name="912"><span class="lineNum"> 912 </span><span class="lineNoCov"> 0 : break;</span></a>
|
|
<a name="913"><span class="lineNum"> 913 </span> : #endif</a>
|
|
<a name="914"><span class="lineNum"> 914 </span> : </a>
|
|
<a name="915"><span class="lineNum"> 915 </span><span class="lineCov"> 5643862 : case cm_case:</span></a>
|
|
<a name="916"><span class="lineNum"> 916 </span><span class="lineCov"> 5643862 : if (ignore_return)</span></a>
|
|
<a name="917"><span class="lineNum"> 917 </span><span class="lineNoCov"> 0 : command->value.Case->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="918"><span class="lineNum"> 918 </span><span class="lineCov"> 5643862 : exec_result = execute_case_command (command->value.Case);</span></a>
|
|
<a name="919"><span class="lineNum"> 919 </span><span class="lineCov"> 5643862 : break;</span></a>
|
|
<a name="920"><span class="lineNum"> 920 </span> : </a>
|
|
<a name="921"><span class="lineNum"> 921 </span><span class="lineCov"> 2907 : case cm_while:</span></a>
|
|
<a name="922"><span class="lineNum"> 922 </span><span class="lineCov"> 2907 : if (ignore_return)</span></a>
|
|
<a name="923"><span class="lineNum"> 923 </span><span class="lineNoCov"> 0 : command->value.While->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="924"><span class="lineNum"> 924 </span><span class="lineCov"> 2907 : exec_result = execute_while_command (command->value.While);</span></a>
|
|
<a name="925"><span class="lineNum"> 925 </span><span class="lineCov"> 2907 : break;</span></a>
|
|
<a name="926"><span class="lineNum"> 926 </span> : </a>
|
|
<a name="927"><span class="lineNum"> 927 </span><span class="lineNoCov"> 0 : case cm_until:</span></a>
|
|
<a name="928"><span class="lineNum"> 928 </span><span class="lineNoCov"> 0 : if (ignore_return)</span></a>
|
|
<a name="929"><span class="lineNum"> 929 </span><span class="lineNoCov"> 0 : command->value.While->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="930"><span class="lineNum"> 930 </span><span class="lineNoCov"> 0 : exec_result = execute_until_command (command->value.While);</span></a>
|
|
<a name="931"><span class="lineNum"> 931 </span><span class="lineNoCov"> 0 : break;</span></a>
|
|
<a name="932"><span class="lineNum"> 932 </span> : </a>
|
|
<a name="933"><span class="lineNum"> 933 </span><span class="lineCov"> 22444464 : case cm_if:</span></a>
|
|
<a name="934"><span class="lineNum"> 934 </span><span class="lineCov"> 22444464 : if (ignore_return)</span></a>
|
|
<a name="935"><span class="lineNum"> 935 </span><span class="lineCov"> 17 : command->value.If->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="936"><span class="lineNum"> 936 </span><span class="lineCov"> 22444464 : exec_result = execute_if_command (command->value.If);</span></a>
|
|
<a name="937"><span class="lineNum"> 937 </span><span class="lineCov"> 22444464 : break;</span></a>
|
|
<a name="938"><span class="lineNum"> 938 </span> : </a>
|
|
<a name="939"><span class="lineNum"> 939 </span><span class="lineCov"> 11993 : case cm_group:</span></a>
|
|
<a name="940"><span class="lineNum"> 940 </span> : </a>
|
|
<a name="941"><span class="lineNum"> 941 </span> : /* This code can be executed from either of two paths: an explicit</a>
|
|
<a name="942"><span class="lineNum"> 942 </span> : '{}' command, or via a function call. If we are executed via a</a>
|
|
<a name="943"><span class="lineNum"> 943 </span> : function call, we have already taken care of the function being</a>
|
|
<a name="944"><span class="lineNum"> 944 </span> : executed in the background (down there in execute_simple_command ()),</a>
|
|
<a name="945"><span class="lineNum"> 945 </span> : and this command should *not* be marked as asynchronous. If we</a>
|
|
<a name="946"><span class="lineNum"> 946 </span> : are executing a regular '{}' group command, and asynchronous == 1,</a>
|
|
<a name="947"><span class="lineNum"> 947 </span> : we must want to execute the whole command in the background, so we</a>
|
|
<a name="948"><span class="lineNum"> 948 </span> : need a subshell, and we want the stuff executed in that subshell</a>
|
|
<a name="949"><span class="lineNum"> 949 </span> : (this group command) to be executed in the foreground of that</a>
|
|
<a name="950"><span class="lineNum"> 950 </span> : subshell (i.e. there will not be *another* subshell forked).</a>
|
|
<a name="951"><span class="lineNum"> 951 </span> : </a>
|
|
<a name="952"><span class="lineNum"> 952 </span> : What we do is to force a subshell if asynchronous, and then call</a>
|
|
<a name="953"><span class="lineNum"> 953 </span> : execute_command_internal again with asynchronous still set to 1,</a>
|
|
<a name="954"><span class="lineNum"> 954 </span> : but with the original group command, so the printed command will</a>
|
|
<a name="955"><span class="lineNum"> 955 </span> : look right.</a>
|
|
<a name="956"><span class="lineNum"> 956 </span> : </a>
|
|
<a name="957"><span class="lineNum"> 957 </span> : The code above that handles forking off subshells will note that</a>
|
|
<a name="958"><span class="lineNum"> 958 </span> : both subshell and async are on, and turn off async in the child</a>
|
|
<a name="959"><span class="lineNum"> 959 </span> : after forking the subshell (but leave async set in the parent, so</a>
|
|
<a name="960"><span class="lineNum"> 960 </span> : the normal call to describe_pid is made). This turning off</a>
|
|
<a name="961"><span class="lineNum"> 961 </span> : async is *crucial*; if it is not done, this will fall into an</a>
|
|
<a name="962"><span class="lineNum"> 962 </span> : infinite loop of executions through this spot in subshell after</a>
|
|
<a name="963"><span class="lineNum"> 963 </span> : subshell until the process limit is exhausted. */</a>
|
|
<a name="964"><span class="lineNum"> 964 </span> : </a>
|
|
<a name="965"><span class="lineNum"> 965 </span><span class="lineCov"> 11993 : if (asynchronous)</span></a>
|
|
<a name="966"><span class="lineNum"> 966 </span> : {</a>
|
|
<a name="967"><span class="lineNum"> 967 </span><span class="lineNoCov"> 0 : command->flags |= CMD_FORCE_SUBSHELL;</span></a>
|
|
<a name="968"><span class="lineNum"> 968 </span><span class="lineNoCov"> 0 : exec_result =</span></a>
|
|
<a name="969"><span class="lineNum"> 969 </span><span class="lineNoCov"> 0 : execute_command_internal (command, 1, pipe_in, pipe_out,</span></a>
|
|
<a name="970"><span class="lineNum"> 970 </span> : fds_to_close);</a>
|
|
<a name="971"><span class="lineNum"> 971 </span> : }</a>
|
|
<a name="972"><span class="lineNum"> 972 </span> : else</a>
|
|
<a name="973"><span class="lineNum"> 973 </span> : {</a>
|
|
<a name="974"><span class="lineNum"> 974 </span><span class="lineCov"> 11993 : if (ignore_return && command->value.Group->command)</span></a>
|
|
<a name="975"><span class="lineNum"> 975 </span><span class="lineNoCov"> 0 : command->value.Group->command->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="976"><span class="lineNum"> 976 </span><span class="lineCov"> 11993 : exec_result =</span></a>
|
|
<a name="977"><span class="lineNum"> 977 </span><span class="lineCov"> 11993 : execute_command_internal (command->value.Group->command,</span></a>
|
|
<a name="978"><span class="lineNum"> 978 </span> : asynchronous, pipe_in, pipe_out,</a>
|
|
<a name="979"><span class="lineNum"> 979 </span> : fds_to_close);</a>
|
|
<a name="980"><span class="lineNum"> 980 </span> : }</a>
|
|
<a name="981"><span class="lineNum"> 981 </span> : break;</a>
|
|
<a name="982"><span class="lineNum"> 982 </span> : </a>
|
|
<a name="983"><span class="lineNum"> 983 </span><span class="lineCov"> 8162663 : case cm_connection:</span></a>
|
|
<a name="984"><span class="lineNum"> 984 </span><span class="lineCov"> 8162663 : exec_result = execute_connection (command, asynchronous,</span></a>
|
|
<a name="985"><span class="lineNum"> 985 </span> : pipe_in, pipe_out, fds_to_close);</a>
|
|
<a name="986"><span class="lineNum"> 986 </span><span class="lineCov"> 8074363 : if (asynchronous)</span></a>
|
|
<a name="987"><span class="lineNum"> 987 </span><span class="lineCov"> 3556 : invert = 0; /* XXX */</span></a>
|
|
<a name="988"><span class="lineNum"> 988 </span> : </a>
|
|
<a name="989"><span class="lineNum"> 989 </span> : break;</a>
|
|
<a name="990"><span class="lineNum"> 990 </span> : </a>
|
|
<a name="991"><span class="lineNum"> 991 </span> : #if defined (DPAREN_ARITHMETIC)</a>
|
|
<a name="992"><span class="lineNum"> 992 </span><span class="lineNoCov"> 0 : case cm_arith:</span></a>
|
|
<a name="993"><span class="lineNum"> 993 </span><span class="lineNoCov"> 0 : was_error_trap = signal_is_trapped (ERROR_TRAP) && signal_is_ignored (ERROR_TRAP) == 0;</span></a>
|
|
<a name="994"><span class="lineNum"> 994 </span><span class="lineNoCov"> 0 : if (ignore_return)</span></a>
|
|
<a name="995"><span class="lineNum"> 995 </span><span class="lineNoCov"> 0 : command->value.Arith->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="996"><span class="lineNum"> 996 </span><span class="lineNoCov"> 0 : line_number_for_err_trap = save_line_number = line_number;</span></a>
|
|
<a name="997"><span class="lineNum"> 997 </span><span class="lineNoCov"> 0 : exec_result = execute_arith_command (command->value.Arith);</span></a>
|
|
<a name="998"><span class="lineNum"> 998 </span><span class="lineNoCov"> 0 : line_number = save_line_number;</span></a>
|
|
<a name="999"><span class="lineNum"> 999 </span> : </a>
|
|
<a name="1000"><span class="lineNum"> 1000 </span><span class="lineNoCov"> 0 : if (was_error_trap && ignore_return == 0 && invert == 0 && exec_result != EXECUTION_SUCCESS)</span></a>
|
|
<a name="1001"><span class="lineNum"> 1001 </span> : {</a>
|
|
<a name="1002"><span class="lineNum"> 1002 </span><span class="lineNoCov"> 0 : last_command_exit_value = exec_result;</span></a>
|
|
<a name="1003"><span class="lineNum"> 1003 </span><span class="lineNoCov"> 0 : save_line_number = line_number;</span></a>
|
|
<a name="1004"><span class="lineNum"> 1004 </span><span class="lineNoCov"> 0 : line_number = line_number_for_err_trap;</span></a>
|
|
<a name="1005"><span class="lineNum"> 1005 </span><span class="lineNoCov"> 0 : run_error_trap ();</span></a>
|
|
<a name="1006"><span class="lineNum"> 1006 </span><span class="lineNoCov"> 0 : line_number = save_line_number;</span></a>
|
|
<a name="1007"><span class="lineNum"> 1007 </span> : }</a>
|
|
<a name="1008"><span class="lineNum"> 1008 </span> : </a>
|
|
<a name="1009"><span class="lineNum"> 1009 </span><span class="lineNoCov"> 0 : if (ignore_return == 0 && invert == 0 && exit_immediately_on_error && exec_result != EXECUTION_SUCCESS)</span></a>
|
|
<a name="1010"><span class="lineNum"> 1010 </span> : {</a>
|
|
<a name="1011"><span class="lineNum"> 1011 </span><span class="lineNoCov"> 0 : last_command_exit_value = exec_result;</span></a>
|
|
<a name="1012"><span class="lineNum"> 1012 </span><span class="lineNoCov"> 0 : run_pending_traps ();</span></a>
|
|
<a name="1013"><span class="lineNum"> 1013 </span><span class="lineNoCov"> 0 : jump_to_top_level (ERREXIT);</span></a>
|
|
<a name="1014"><span class="lineNum"> 1014 </span> : }</a>
|
|
<a name="1015"><span class="lineNum"> 1015 </span> : </a>
|
|
<a name="1016"><span class="lineNum"> 1016 </span> : break;</a>
|
|
<a name="1017"><span class="lineNum"> 1017 </span> : #endif</a>
|
|
<a name="1018"><span class="lineNum"> 1018 </span> : </a>
|
|
<a name="1019"><span class="lineNum"> 1019 </span> : #if defined (COND_COMMAND)</a>
|
|
<a name="1020"><span class="lineNum"> 1020 </span><span class="lineNoCov"> 0 : case cm_cond:</span></a>
|
|
<a name="1021"><span class="lineNum"> 1021 </span><span class="lineNoCov"> 0 : was_error_trap = signal_is_trapped (ERROR_TRAP) && signal_is_ignored (ERROR_TRAP) == 0;</span></a>
|
|
<a name="1022"><span class="lineNum"> 1022 </span><span class="lineNoCov"> 0 : if (ignore_return)</span></a>
|
|
<a name="1023"><span class="lineNum"> 1023 </span><span class="lineNoCov"> 0 : command->value.Cond->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="1024"><span class="lineNum"> 1024 </span> : </a>
|
|
<a name="1025"><span class="lineNum"> 1025 </span><span class="lineNoCov"> 0 : line_number_for_err_trap = save_line_number = line_number;</span></a>
|
|
<a name="1026"><span class="lineNum"> 1026 </span><span class="lineNoCov"> 0 : exec_result = execute_cond_command (command->value.Cond);</span></a>
|
|
<a name="1027"><span class="lineNum"> 1027 </span><span class="lineNoCov"> 0 : line_number = save_line_number;</span></a>
|
|
<a name="1028"><span class="lineNum"> 1028 </span> : </a>
|
|
<a name="1029"><span class="lineNum"> 1029 </span><span class="lineNoCov"> 0 : if (was_error_trap && ignore_return == 0 && invert == 0 && exec_result != EXECUTION_SUCCESS)</span></a>
|
|
<a name="1030"><span class="lineNum"> 1030 </span> : {</a>
|
|
<a name="1031"><span class="lineNum"> 1031 </span><span class="lineNoCov"> 0 : last_command_exit_value = exec_result;</span></a>
|
|
<a name="1032"><span class="lineNum"> 1032 </span><span class="lineNoCov"> 0 : save_line_number = line_number;</span></a>
|
|
<a name="1033"><span class="lineNum"> 1033 </span><span class="lineNoCov"> 0 : line_number = line_number_for_err_trap;</span></a>
|
|
<a name="1034"><span class="lineNum"> 1034 </span><span class="lineNoCov"> 0 : run_error_trap ();</span></a>
|
|
<a name="1035"><span class="lineNum"> 1035 </span><span class="lineNoCov"> 0 : line_number = save_line_number;</span></a>
|
|
<a name="1036"><span class="lineNum"> 1036 </span> : }</a>
|
|
<a name="1037"><span class="lineNum"> 1037 </span> : </a>
|
|
<a name="1038"><span class="lineNum"> 1038 </span><span class="lineNoCov"> 0 : if (ignore_return == 0 && invert == 0 && exit_immediately_on_error && exec_result != EXECUTION_SUCCESS)</span></a>
|
|
<a name="1039"><span class="lineNum"> 1039 </span> : {</a>
|
|
<a name="1040"><span class="lineNum"> 1040 </span><span class="lineNoCov"> 0 : last_command_exit_value = exec_result;</span></a>
|
|
<a name="1041"><span class="lineNum"> 1041 </span><span class="lineNoCov"> 0 : run_pending_traps ();</span></a>
|
|
<a name="1042"><span class="lineNum"> 1042 </span><span class="lineNoCov"> 0 : jump_to_top_level (ERREXIT);</span></a>
|
|
<a name="1043"><span class="lineNum"> 1043 </span> : }</a>
|
|
<a name="1044"><span class="lineNum"> 1044 </span> : </a>
|
|
<a name="1045"><span class="lineNum"> 1045 </span> : break;</a>
|
|
<a name="1046"><span class="lineNum"> 1046 </span> : #endif</a>
|
|
<a name="1047"><span class="lineNum"> 1047 </span> : </a>
|
|
<a name="1048"><span class="lineNum"> 1048 </span><span class="lineCov"> 18703806 : case cm_function_def:</span></a>
|
|
<a name="1049"><span class="lineNum"> 1049 </span><span class="lineCov"> 37407612 : exec_result = execute_intern_function (command->value.Function_def->name,</span></a>
|
|
<a name="1050"><span class="lineNum"> 1050 </span><span class="lineCov"> 18703806 : command->value.Function_def);</span></a>
|
|
<a name="1051"><span class="lineNum"> 1051 </span><span class="lineCov"> 18703806 : break;</span></a>
|
|
<a name="1052"><span class="lineNum"> 1052 </span> : </a>
|
|
<a name="1053"><span class="lineNum"> 1053 </span><span class="lineNoCov"> 0 : default:</span></a>
|
|
<a name="1054"><span class="lineNum"> 1054 </span><span class="lineNoCov"> 0 : command_error ("execute_command", CMDERR_BADTYPE, command->type, 0);</span></a>
|
|
<a name="1055"><span class="lineNum"> 1055 </span> : }</a>
|
|
<a name="1056"><span class="lineNum"> 1056 </span> : </a>
|
|
<a name="1057"><span class="lineNum"> 1057 </span><span class="lineCov"> 133753220 : if (my_undo_list)</span></a>
|
|
<a name="1058"><span class="lineNum"> 1058 </span> : {</a>
|
|
<a name="1059"><span class="lineNum"> 1059 </span><span class="lineCov"> 9 : do_redirections (my_undo_list, RX_ACTIVE);</span></a>
|
|
<a name="1060"><span class="lineNum"> 1060 </span><span class="lineCov"> 9 : dispose_redirects (my_undo_list);</span></a>
|
|
<a name="1061"><span class="lineNum"> 1061 </span> : }</a>
|
|
<a name="1062"><span class="lineNum"> 1062 </span> : </a>
|
|
<a name="1063"><span class="lineNum"> 1063 </span><span class="lineCov"> 133753220 : if (exec_undo_list)</span></a>
|
|
<a name="1064"><span class="lineNum"> 1064 </span><span class="lineCov"> 9 : dispose_redirects (exec_undo_list);</span></a>
|
|
<a name="1065"><span class="lineNum"> 1065 </span> : </a>
|
|
<a name="1066"><span class="lineNum"> 1066 </span><span class="lineCov"> 133753220 : if (my_undo_list || exec_undo_list)</span></a>
|
|
<a name="1067"><span class="lineNum"> 1067 </span><span class="lineCov"> 9 : discard_unwind_frame ("loop_redirections");</span></a>
|
|
<a name="1068"><span class="lineNum"> 1068 </span> : </a>
|
|
<a name="1069"><span class="lineNum"> 1069 </span> : #if defined (PROCESS_SUBSTITUTION)</a>
|
|
<a name="1070"><span class="lineNum"> 1070 </span><span class="lineCov"> 133753220 : if (saved_fifo)</span></a>
|
|
<a name="1071"><span class="lineNum"> 1071 </span> : {</a>
|
|
<a name="1072"><span class="lineNum"> 1072 </span><span class="lineCov"> 70865 : nfifo = num_fifos ();</span></a>
|
|
<a name="1073"><span class="lineNum"> 1073 </span><span class="lineCov"> 70865 : if (nfifo > ofifo)</span></a>
|
|
<a name="1074"><span class="lineNum"> 1074 </span><span class="lineNoCov"> 0 : close_new_fifos ((char *)ofifo_list, osize);</span></a>
|
|
<a name="1075"><span class="lineNum"> 1075 </span><span class="lineCov"> 70865 : free ((void *)ofifo_list);</span></a>
|
|
<a name="1076"><span class="lineNum"> 1076 </span><span class="lineCov"> 70865 : discard_unwind_frame ("internal_fifos");</span></a>
|
|
<a name="1077"><span class="lineNum"> 1077 </span> : }</a>
|
|
<a name="1078"><span class="lineNum"> 1078 </span> : #endif</a>
|
|
<a name="1079"><span class="lineNum"> 1079 </span> : </a>
|
|
<a name="1080"><span class="lineNum"> 1080 </span> : /* Invert the return value if we have to */</a>
|
|
<a name="1081"><span class="lineNum"> 1081 </span><span class="lineCov"> 133753220 : if (invert)</span></a>
|
|
<a name="1082"><span class="lineNum"> 1082 </span><span class="lineCov"> 922 : exec_result = (exec_result == EXECUTION_SUCCESS)</span></a>
|
|
<a name="1083"><span class="lineNum"> 1083 </span> : ? EXECUTION_FAILURE</a>
|
|
<a name="1084"><span class="lineNum"> 1084 </span><span class="lineCov"> 461 : : EXECUTION_SUCCESS;</span></a>
|
|
<a name="1085"><span class="lineNum"> 1085 </span> : </a>
|
|
<a name="1086"><span class="lineNum"> 1086 </span> : #if defined (DPAREN_ARITHMETIC) || defined (COND_COMMAND)</a>
|
|
<a name="1087"><span class="lineNum"> 1087 </span> : /* This is where we set PIPESTATUS from the exit status of the appropriate</a>
|
|
<a name="1088"><span class="lineNum"> 1088 </span> : compound commands (the ones that look enough like simple commands to</a>
|
|
<a name="1089"><span class="lineNum"> 1089 </span> : cause confusion). We might be able to optimize by not doing this if</a>
|
|
<a name="1090"><span class="lineNum"> 1090 </span> : subshell_environment != 0. */</a>
|
|
<a name="1091"><span class="lineNum"> 1091 </span><span class="lineCov"> 133753220 : switch (command->type)</span></a>
|
|
<a name="1092"><span class="lineNum"> 1092 </span> : {</a>
|
|
<a name="1093"><span class="lineNum"> 1093 </span> : # if defined (DPAREN_ARITHMETIC)</a>
|
|
<a name="1094"><span class="lineNum"> 1094 </span><span class="lineNoCov"> 0 : case cm_arith:</span></a>
|
|
<a name="1095"><span class="lineNum"> 1095 </span> : # endif</a>
|
|
<a name="1096"><span class="lineNum"> 1096 </span> : # if defined (COND_COMMAND)</a>
|
|
<a name="1097"><span class="lineNum"> 1097 </span> : case cm_cond:</a>
|
|
<a name="1098"><span class="lineNum"> 1098 </span> : # endif</a>
|
|
<a name="1099"><span class="lineNum"> 1099 </span><span class="lineNoCov"> 0 : set_pipestatus_from_exit (exec_result);</span></a>
|
|
<a name="1100"><span class="lineNum"> 1100 </span><span class="lineNoCov"> 0 : break;</span></a>
|
|
<a name="1101"><span class="lineNum"> 1101 </span> : default:</a>
|
|
<a name="1102"><span class="lineNum"> 1102 </span> : break;</a>
|
|
<a name="1103"><span class="lineNum"> 1103 </span> : }</a>
|
|
<a name="1104"><span class="lineNum"> 1104 </span> : #endif</a>
|
|
<a name="1105"><span class="lineNum"> 1105 </span> : </a>
|
|
<a name="1106"><span class="lineNum"> 1106 </span><span class="lineCov"> 133753220 : last_command_exit_value = exec_result;</span></a>
|
|
<a name="1107"><span class="lineNum"> 1107 </span><span class="lineCov"> 133753220 : run_pending_traps ();</span></a>
|
|
<a name="1108"><span class="lineNum"> 1108 </span> : #if 0</a>
|
|
<a name="1109"><span class="lineNum"> 1109 </span> : if (running_trap == 0)</a>
|
|
<a name="1110"><span class="lineNum"> 1110 </span> : #endif</a>
|
|
<a name="1111"><span class="lineNum"> 1111 </span><span class="lineCov"> 133753220 : currently_executing_command = (COMMAND *)NULL;</span></a>
|
|
<a name="1112"><span class="lineNum"> 1112 </span> : </a>
|
|
<a name="1113"><span class="lineNum"> 1113 </span><span class="lineCov"> 133753220 : return (last_command_exit_value);</span></a>
|
|
<a name="1114"><span class="lineNum"> 1114 </span> : }</a>
|
|
<a name="1115"><span class="lineNum"> 1115 </span> : </a>
|
|
<a name="1116"><span class="lineNum"> 1116 </span> : #if defined (COMMAND_TIMING)</a>
|
|
<a name="1117"><span class="lineNum"> 1117 </span> : </a>
|
|
<a name="1118"><span class="lineNum"> 1118 </span> : #if defined (HAVE_GETRUSAGE) && defined (HAVE_GETTIMEOFDAY)</a>
|
|
<a name="1119"><span class="lineNum"> 1119 </span> : extern struct timeval *difftimeval __P((struct timeval *, struct timeval *, struct timeval *));</a>
|
|
<a name="1120"><span class="lineNum"> 1120 </span> : extern struct timeval *addtimeval __P((struct timeval *, struct timeval *, struct timeval *));</a>
|
|
<a name="1121"><span class="lineNum"> 1121 </span> : extern int timeval_to_cpu __P((struct timeval *, struct timeval *, struct timeval *));</a>
|
|
<a name="1122"><span class="lineNum"> 1122 </span> : #endif</a>
|
|
<a name="1123"><span class="lineNum"> 1123 </span> : </a>
|
|
<a name="1124"><span class="lineNum"> 1124 </span> : #define POSIX_TIMEFORMAT "real %2R\nuser %2U\nsys %2S"</a>
|
|
<a name="1125"><span class="lineNum"> 1125 </span> : #define BASH_TIMEFORMAT "\nreal\t%3lR\nuser\t%3lU\nsys\t%3lS"</a>
|
|
<a name="1126"><span class="lineNum"> 1126 </span> : </a>
|
|
<a name="1127"><span class="lineNum"> 1127 </span> : static const int precs[] = { 0, 100, 10, 1 };</a>
|
|
<a name="1128"><span class="lineNum"> 1128 </span> : </a>
|
|
<a name="1129"><span class="lineNum"> 1129 </span> : #if defined (HAVE_LOCALE_H) && defined (HAVE_LOCALECONV)</a>
|
|
<a name="1130"><span class="lineNum"> 1130 </span> : static int</a>
|
|
<a name="1131"><span class="lineNum"> 1131 </span> : decpoint ()</a>
|
|
<a name="1132"><span class="lineNum"> 1132 </span> : {</a>
|
|
<a name="1133"><span class="lineNum"> 1133 </span> : struct lconv *lv;</a>
|
|
<a name="1134"><span class="lineNum"> 1134 </span> : </a>
|
|
<a name="1135"><span class="lineNum"> 1135 </span> : lv = localeconv ();</a>
|
|
<a name="1136"><span class="lineNum"> 1136 </span> : return (lv && lv->decimal_point && lv->decimal_point[0]) ? lv->decimal_point[0] : '.';</a>
|
|
<a name="1137"><span class="lineNum"> 1137 </span> : }</a>
|
|
<a name="1138"><span class="lineNum"> 1138 </span> : #else</a>
|
|
<a name="1139"><span class="lineNum"> 1139 </span> : # define decpoint() '.'</a>
|
|
<a name="1140"><span class="lineNum"> 1140 </span> : #endif</a>
|
|
<a name="1141"><span class="lineNum"> 1141 </span> : </a>
|
|
<a name="1142"><span class="lineNum"> 1142 </span> : /* Expand one `%'-prefixed escape sequence from a time format string. */</a>
|
|
<a name="1143"><span class="lineNum"> 1143 </span> : static int</a>
|
|
<a name="1144"><span class="lineNum"> 1144 </span> : mkfmt (buf, prec, lng, sec, sec_fraction)</a>
|
|
<a name="1145"><span class="lineNum"> 1145 </span> : char *buf;</a>
|
|
<a name="1146"><span class="lineNum"> 1146 </span> : int prec, lng;</a>
|
|
<a name="1147"><span class="lineNum"> 1147 </span> : time_t sec;</a>
|
|
<a name="1148"><span class="lineNum"> 1148 </span> : int sec_fraction;</a>
|
|
<a name="1149"><span class="lineNum"> 1149 </span> : {</a>
|
|
<a name="1150"><span class="lineNum"> 1150 </span> : time_t min;</a>
|
|
<a name="1151"><span class="lineNum"> 1151 </span> : char abuf[INT_STRLEN_BOUND(time_t) + 1];</a>
|
|
<a name="1152"><span class="lineNum"> 1152 </span> : int ind, aind;</a>
|
|
<a name="1153"><span class="lineNum"> 1153 </span> : </a>
|
|
<a name="1154"><span class="lineNum"> 1154 </span> : ind = 0;</a>
|
|
<a name="1155"><span class="lineNum"> 1155 </span> : abuf[sizeof(abuf) - 1] = '\0';</a>
|
|
<a name="1156"><span class="lineNum"> 1156 </span> : </a>
|
|
<a name="1157"><span class="lineNum"> 1157 </span> : /* If LNG is non-zero, we want to decompose SEC into minutes and seconds. */</a>
|
|
<a name="1158"><span class="lineNum"> 1158 </span> : if (lng)</a>
|
|
<a name="1159"><span class="lineNum"> 1159 </span> : {</a>
|
|
<a name="1160"><span class="lineNum"> 1160 </span> : min = sec / 60;</a>
|
|
<a name="1161"><span class="lineNum"> 1161 </span> : sec %= 60;</a>
|
|
<a name="1162"><span class="lineNum"> 1162 </span> : aind = sizeof(abuf) - 2;</a>
|
|
<a name="1163"><span class="lineNum"> 1163 </span> : do</a>
|
|
<a name="1164"><span class="lineNum"> 1164 </span> : abuf[aind--] = (min % 10) + '0';</a>
|
|
<a name="1165"><span class="lineNum"> 1165 </span> : while (min /= 10);</a>
|
|
<a name="1166"><span class="lineNum"> 1166 </span> : aind++;</a>
|
|
<a name="1167"><span class="lineNum"> 1167 </span> : while (abuf[aind])</a>
|
|
<a name="1168"><span class="lineNum"> 1168 </span> : buf[ind++] = abuf[aind++];</a>
|
|
<a name="1169"><span class="lineNum"> 1169 </span> : buf[ind++] = 'm';</a>
|
|
<a name="1170"><span class="lineNum"> 1170 </span> : }</a>
|
|
<a name="1171"><span class="lineNum"> 1171 </span> : </a>
|
|
<a name="1172"><span class="lineNum"> 1172 </span> : /* Now add the seconds. */</a>
|
|
<a name="1173"><span class="lineNum"> 1173 </span> : aind = sizeof (abuf) - 2;</a>
|
|
<a name="1174"><span class="lineNum"> 1174 </span> : do</a>
|
|
<a name="1175"><span class="lineNum"> 1175 </span> : abuf[aind--] = (sec % 10) + '0';</a>
|
|
<a name="1176"><span class="lineNum"> 1176 </span> : while (sec /= 10);</a>
|
|
<a name="1177"><span class="lineNum"> 1177 </span> : aind++;</a>
|
|
<a name="1178"><span class="lineNum"> 1178 </span> : while (abuf[aind])</a>
|
|
<a name="1179"><span class="lineNum"> 1179 </span> : buf[ind++] = abuf[aind++];</a>
|
|
<a name="1180"><span class="lineNum"> 1180 </span> : </a>
|
|
<a name="1181"><span class="lineNum"> 1181 </span> : /* We want to add a decimal point and PREC places after it if PREC is</a>
|
|
<a name="1182"><span class="lineNum"> 1182 </span> : nonzero. PREC is not greater than 3. SEC_FRACTION is between 0</a>
|
|
<a name="1183"><span class="lineNum"> 1183 </span> : and 999. */</a>
|
|
<a name="1184"><span class="lineNum"> 1184 </span> : if (prec != 0)</a>
|
|
<a name="1185"><span class="lineNum"> 1185 </span> : {</a>
|
|
<a name="1186"><span class="lineNum"> 1186 </span> : buf[ind++] = decpoint ();</a>
|
|
<a name="1187"><span class="lineNum"> 1187 </span> : for (aind = 1; aind <= prec; aind++)</a>
|
|
<a name="1188"><span class="lineNum"> 1188 </span> : {</a>
|
|
<a name="1189"><span class="lineNum"> 1189 </span> : buf[ind++] = (sec_fraction / precs[aind]) + '0';</a>
|
|
<a name="1190"><span class="lineNum"> 1190 </span> : sec_fraction %= precs[aind];</a>
|
|
<a name="1191"><span class="lineNum"> 1191 </span> : }</a>
|
|
<a name="1192"><span class="lineNum"> 1192 </span> : }</a>
|
|
<a name="1193"><span class="lineNum"> 1193 </span> : </a>
|
|
<a name="1194"><span class="lineNum"> 1194 </span> : if (lng)</a>
|
|
<a name="1195"><span class="lineNum"> 1195 </span> : buf[ind++] = 's';</a>
|
|
<a name="1196"><span class="lineNum"> 1196 </span> : buf[ind] = '\0';</a>
|
|
<a name="1197"><span class="lineNum"> 1197 </span> : </a>
|
|
<a name="1198"><span class="lineNum"> 1198 </span> : return (ind);</a>
|
|
<a name="1199"><span class="lineNum"> 1199 </span> : }</a>
|
|
<a name="1200"><span class="lineNum"> 1200 </span> : </a>
|
|
<a name="1201"><span class="lineNum"> 1201 </span> : /* Interpret the format string FORMAT, interpolating the following escape</a>
|
|
<a name="1202"><span class="lineNum"> 1202 </span> : sequences:</a>
|
|
<a name="1203"><span class="lineNum"> 1203 </span> : %[prec][l][RUS]</a>
|
|
<a name="1204"><span class="lineNum"> 1204 </span> : </a>
|
|
<a name="1205"><span class="lineNum"> 1205 </span> : where the optional `prec' is a precision, meaning the number of</a>
|
|
<a name="1206"><span class="lineNum"> 1206 </span> : characters after the decimal point, the optional `l' means to format</a>
|
|
<a name="1207"><span class="lineNum"> 1207 </span> : using minutes and seconds (MMmNN[.FF]s), like the `times' builtin',</a>
|
|
<a name="1208"><span class="lineNum"> 1208 </span> : and the last character is one of</a>
|
|
<a name="1209"><span class="lineNum"> 1209 </span> : </a>
|
|
<a name="1210"><span class="lineNum"> 1210 </span> : R number of seconds of `real' time</a>
|
|
<a name="1211"><span class="lineNum"> 1211 </span> : U number of seconds of `user' time</a>
|
|
<a name="1212"><span class="lineNum"> 1212 </span> : S number of seconds of `system' time</a>
|
|
<a name="1213"><span class="lineNum"> 1213 </span> : </a>
|
|
<a name="1214"><span class="lineNum"> 1214 </span> : An occurrence of `%%' in the format string is translated to a `%'. The</a>
|
|
<a name="1215"><span class="lineNum"> 1215 </span> : result is printed to FP, a pointer to a FILE. The other variables are</a>
|
|
<a name="1216"><span class="lineNum"> 1216 </span> : the seconds and thousandths of a second of real, user, and system time,</a>
|
|
<a name="1217"><span class="lineNum"> 1217 </span> : resectively. */</a>
|
|
<a name="1218"><span class="lineNum"> 1218 </span> : static void</a>
|
|
<a name="1219"><span class="lineNum"> 1219 </span> : print_formatted_time (fp, format, rs, rsf, us, usf, ss, ssf, cpu)</a>
|
|
<a name="1220"><span class="lineNum"> 1220 </span> : FILE *fp;</a>
|
|
<a name="1221"><span class="lineNum"> 1221 </span> : char *format;</a>
|
|
<a name="1222"><span class="lineNum"> 1222 </span> : time_t rs;</a>
|
|
<a name="1223"><span class="lineNum"> 1223 </span> : int rsf;</a>
|
|
<a name="1224"><span class="lineNum"> 1224 </span> : time_t us;</a>
|
|
<a name="1225"><span class="lineNum"> 1225 </span> : int usf;</a>
|
|
<a name="1226"><span class="lineNum"> 1226 </span> : time_t ss;</a>
|
|
<a name="1227"><span class="lineNum"> 1227 </span> : int ssf, cpu;</a>
|
|
<a name="1228"><span class="lineNum"> 1228 </span> : {</a>
|
|
<a name="1229"><span class="lineNum"> 1229 </span> : int prec, lng, len;</a>
|
|
<a name="1230"><span class="lineNum"> 1230 </span> : char *str, *s, ts[INT_STRLEN_BOUND (time_t) + sizeof ("mSS.FFFF")];</a>
|
|
<a name="1231"><span class="lineNum"> 1231 </span> : time_t sum;</a>
|
|
<a name="1232"><span class="lineNum"> 1232 </span> : int sum_frac;</a>
|
|
<a name="1233"><span class="lineNum"> 1233 </span> : int sindex, ssize;</a>
|
|
<a name="1234"><span class="lineNum"> 1234 </span> : </a>
|
|
<a name="1235"><span class="lineNum"> 1235 </span> : len = strlen (format);</a>
|
|
<a name="1236"><span class="lineNum"> 1236 </span> : ssize = (len + 64) - (len % 64);</a>
|
|
<a name="1237"><span class="lineNum"> 1237 </span> : str = (char *)xmalloc (ssize);</a>
|
|
<a name="1238"><span class="lineNum"> 1238 </span> : sindex = 0;</a>
|
|
<a name="1239"><span class="lineNum"> 1239 </span> : </a>
|
|
<a name="1240"><span class="lineNum"> 1240 </span> : for (s = format; *s; s++)</a>
|
|
<a name="1241"><span class="lineNum"> 1241 </span> : {</a>
|
|
<a name="1242"><span class="lineNum"> 1242 </span> : if (*s != '%' || s[1] == '\0')</a>
|
|
<a name="1243"><span class="lineNum"> 1243 </span> : {</a>
|
|
<a name="1244"><span class="lineNum"> 1244 </span> : RESIZE_MALLOCED_BUFFER (str, sindex, 1, ssize, 64);</a>
|
|
<a name="1245"><span class="lineNum"> 1245 </span> : str[sindex++] = *s;</a>
|
|
<a name="1246"><span class="lineNum"> 1246 </span> : }</a>
|
|
<a name="1247"><span class="lineNum"> 1247 </span> : else if (s[1] == '%')</a>
|
|
<a name="1248"><span class="lineNum"> 1248 </span> : {</a>
|
|
<a name="1249"><span class="lineNum"> 1249 </span> : s++;</a>
|
|
<a name="1250"><span class="lineNum"> 1250 </span> : RESIZE_MALLOCED_BUFFER (str, sindex, 1, ssize, 64);</a>
|
|
<a name="1251"><span class="lineNum"> 1251 </span> : str[sindex++] = *s;</a>
|
|
<a name="1252"><span class="lineNum"> 1252 </span> : }</a>
|
|
<a name="1253"><span class="lineNum"> 1253 </span> : else if (s[1] == 'P')</a>
|
|
<a name="1254"><span class="lineNum"> 1254 </span> : {</a>
|
|
<a name="1255"><span class="lineNum"> 1255 </span> : s++;</a>
|
|
<a name="1256"><span class="lineNum"> 1256 </span> : #if 0</a>
|
|
<a name="1257"><span class="lineNum"> 1257 </span> : /* clamp CPU usage at 100% */</a>
|
|
<a name="1258"><span class="lineNum"> 1258 </span> : if (cpu > 10000)</a>
|
|
<a name="1259"><span class="lineNum"> 1259 </span> : cpu = 10000;</a>
|
|
<a name="1260"><span class="lineNum"> 1260 </span> : #endif</a>
|
|
<a name="1261"><span class="lineNum"> 1261 </span> : sum = cpu / 100;</a>
|
|
<a name="1262"><span class="lineNum"> 1262 </span> : sum_frac = (cpu % 100) * 10;</a>
|
|
<a name="1263"><span class="lineNum"> 1263 </span> : len = mkfmt (ts, 2, 0, sum, sum_frac);</a>
|
|
<a name="1264"><span class="lineNum"> 1264 </span> : RESIZE_MALLOCED_BUFFER (str, sindex, len, ssize, 64);</a>
|
|
<a name="1265"><span class="lineNum"> 1265 </span> : strcpy (str + sindex, ts);</a>
|
|
<a name="1266"><span class="lineNum"> 1266 </span> : sindex += len;</a>
|
|
<a name="1267"><span class="lineNum"> 1267 </span> : }</a>
|
|
<a name="1268"><span class="lineNum"> 1268 </span> : else</a>
|
|
<a name="1269"><span class="lineNum"> 1269 </span> : {</a>
|
|
<a name="1270"><span class="lineNum"> 1270 </span> : prec = 3; /* default is three places past the decimal point. */</a>
|
|
<a name="1271"><span class="lineNum"> 1271 </span> : lng = 0; /* default is to not use minutes or append `s' */</a>
|
|
<a name="1272"><span class="lineNum"> 1272 </span> : s++;</a>
|
|
<a name="1273"><span class="lineNum"> 1273 </span> : if (DIGIT (*s)) /* `precision' */</a>
|
|
<a name="1274"><span class="lineNum"> 1274 </span> : {</a>
|
|
<a name="1275"><span class="lineNum"> 1275 </span> : prec = *s++ - '0';</a>
|
|
<a name="1276"><span class="lineNum"> 1276 </span> : if (prec > 3) prec = 3;</a>
|
|
<a name="1277"><span class="lineNum"> 1277 </span> : }</a>
|
|
<a name="1278"><span class="lineNum"> 1278 </span> : if (*s == 'l') /* `length extender' */</a>
|
|
<a name="1279"><span class="lineNum"> 1279 </span> : {</a>
|
|
<a name="1280"><span class="lineNum"> 1280 </span> : lng = 1;</a>
|
|
<a name="1281"><span class="lineNum"> 1281 </span> : s++;</a>
|
|
<a name="1282"><span class="lineNum"> 1282 </span> : }</a>
|
|
<a name="1283"><span class="lineNum"> 1283 </span> : if (*s == 'R' || *s == 'E')</a>
|
|
<a name="1284"><span class="lineNum"> 1284 </span> : len = mkfmt (ts, prec, lng, rs, rsf);</a>
|
|
<a name="1285"><span class="lineNum"> 1285 </span> : else if (*s == 'U')</a>
|
|
<a name="1286"><span class="lineNum"> 1286 </span> : len = mkfmt (ts, prec, lng, us, usf);</a>
|
|
<a name="1287"><span class="lineNum"> 1287 </span> : else if (*s == 'S')</a>
|
|
<a name="1288"><span class="lineNum"> 1288 </span> : len = mkfmt (ts, prec, lng, ss, ssf);</a>
|
|
<a name="1289"><span class="lineNum"> 1289 </span> : else</a>
|
|
<a name="1290"><span class="lineNum"> 1290 </span> : {</a>
|
|
<a name="1291"><span class="lineNum"> 1291 </span> : internal_error (_("TIMEFORMAT: `%c': invalid format character"), *s);</a>
|
|
<a name="1292"><span class="lineNum"> 1292 </span> : free (str);</a>
|
|
<a name="1293"><span class="lineNum"> 1293 </span> : return;</a>
|
|
<a name="1294"><span class="lineNum"> 1294 </span> : }</a>
|
|
<a name="1295"><span class="lineNum"> 1295 </span> : RESIZE_MALLOCED_BUFFER (str, sindex, len, ssize, 64);</a>
|
|
<a name="1296"><span class="lineNum"> 1296 </span> : strcpy (str + sindex, ts);</a>
|
|
<a name="1297"><span class="lineNum"> 1297 </span> : sindex += len;</a>
|
|
<a name="1298"><span class="lineNum"> 1298 </span> : }</a>
|
|
<a name="1299"><span class="lineNum"> 1299 </span> : }</a>
|
|
<a name="1300"><span class="lineNum"> 1300 </span> : </a>
|
|
<a name="1301"><span class="lineNum"> 1301 </span> : str[sindex] = '\0';</a>
|
|
<a name="1302"><span class="lineNum"> 1302 </span> : fprintf (fp, "%s\n", str);</a>
|
|
<a name="1303"><span class="lineNum"> 1303 </span> : fflush (fp);</a>
|
|
<a name="1304"><span class="lineNum"> 1304 </span> : </a>
|
|
<a name="1305"><span class="lineNum"> 1305 </span> : free (str);</a>
|
|
<a name="1306"><span class="lineNum"> 1306 </span> : }</a>
|
|
<a name="1307"><span class="lineNum"> 1307 </span> : </a>
|
|
<a name="1308"><span class="lineNum"> 1308 </span> : static int</a>
|
|
<a name="1309"><span class="lineNum"> 1309 </span> : time_command (command, asynchronous, pipe_in, pipe_out, fds_to_close)</a>
|
|
<a name="1310"><span class="lineNum"> 1310 </span> : COMMAND *command;</a>
|
|
<a name="1311"><span class="lineNum"> 1311 </span> : int asynchronous, pipe_in, pipe_out;</a>
|
|
<a name="1312"><span class="lineNum"> 1312 </span> : struct fd_bitmap *fds_to_close;</a>
|
|
<a name="1313"><span class="lineNum"> 1313 </span> : {</a>
|
|
<a name="1314"><span class="lineNum"> 1314 </span> : int rv, posix_time, old_flags, nullcmd, code;</a>
|
|
<a name="1315"><span class="lineNum"> 1315 </span> : time_t rs, us, ss;</a>
|
|
<a name="1316"><span class="lineNum"> 1316 </span> : int rsf, usf, ssf;</a>
|
|
<a name="1317"><span class="lineNum"> 1317 </span> : int cpu;</a>
|
|
<a name="1318"><span class="lineNum"> 1318 </span> : char *time_format;</a>
|
|
<a name="1319"><span class="lineNum"> 1319 </span> : volatile procenv_t save_top_level;</a>
|
|
<a name="1320"><span class="lineNum"> 1320 </span> : </a>
|
|
<a name="1321"><span class="lineNum"> 1321 </span> : #if defined (HAVE_GETRUSAGE) && defined (HAVE_GETTIMEOFDAY)</a>
|
|
<a name="1322"><span class="lineNum"> 1322 </span> : struct timeval real, user, sys;</a>
|
|
<a name="1323"><span class="lineNum"> 1323 </span> : struct timeval before, after;</a>
|
|
<a name="1324"><span class="lineNum"> 1324 </span> : # if defined (HAVE_STRUCT_TIMEZONE)</a>
|
|
<a name="1325"><span class="lineNum"> 1325 </span> : struct timezone dtz; /* posix doesn't define this */</a>
|
|
<a name="1326"><span class="lineNum"> 1326 </span> : # endif</a>
|
|
<a name="1327"><span class="lineNum"> 1327 </span> : struct rusage selfb, selfa, kidsb, kidsa; /* a = after, b = before */</a>
|
|
<a name="1328"><span class="lineNum"> 1328 </span> : #else</a>
|
|
<a name="1329"><span class="lineNum"> 1329 </span> : # if defined (HAVE_TIMES)</a>
|
|
<a name="1330"><span class="lineNum"> 1330 </span> : clock_t tbefore, tafter, real, user, sys;</a>
|
|
<a name="1331"><span class="lineNum"> 1331 </span> : struct tms before, after;</a>
|
|
<a name="1332"><span class="lineNum"> 1332 </span> : # endif</a>
|
|
<a name="1333"><span class="lineNum"> 1333 </span> : #endif</a>
|
|
<a name="1334"><span class="lineNum"> 1334 </span> : </a>
|
|
<a name="1335"><span class="lineNum"> 1335 </span> : #if defined (HAVE_GETRUSAGE) && defined (HAVE_GETTIMEOFDAY)</a>
|
|
<a name="1336"><span class="lineNum"> 1336 </span> : # if defined (HAVE_STRUCT_TIMEZONE)</a>
|
|
<a name="1337"><span class="lineNum"> 1337 </span> : gettimeofday (&before, &dtz);</a>
|
|
<a name="1338"><span class="lineNum"> 1338 </span> : # else</a>
|
|
<a name="1339"><span class="lineNum"> 1339 </span> : gettimeofday (&before, (void *)NULL);</a>
|
|
<a name="1340"><span class="lineNum"> 1340 </span> : # endif /* !HAVE_STRUCT_TIMEZONE */</a>
|
|
<a name="1341"><span class="lineNum"> 1341 </span> : getrusage (RUSAGE_SELF, &selfb);</a>
|
|
<a name="1342"><span class="lineNum"> 1342 </span> : getrusage (RUSAGE_CHILDREN, &kidsb);</a>
|
|
<a name="1343"><span class="lineNum"> 1343 </span> : #else</a>
|
|
<a name="1344"><span class="lineNum"> 1344 </span> : # if defined (HAVE_TIMES)</a>
|
|
<a name="1345"><span class="lineNum"> 1345 </span> : tbefore = times (&before);</a>
|
|
<a name="1346"><span class="lineNum"> 1346 </span> : # endif</a>
|
|
<a name="1347"><span class="lineNum"> 1347 </span> : #endif</a>
|
|
<a name="1348"><span class="lineNum"> 1348 </span> : </a>
|
|
<a name="1349"><span class="lineNum"> 1349 </span> : posix_time = command && (command->flags & CMD_TIME_POSIX);</a>
|
|
<a name="1350"><span class="lineNum"> 1350 </span> : </a>
|
|
<a name="1351"><span class="lineNum"> 1351 </span> : nullcmd = (command == 0) || (command->type == cm_simple && command->value.Simple->words == 0 && command->value.Simple->redirects == 0);</a>
|
|
<a name="1352"><span class="lineNum"> 1352 </span> : if (posixly_correct && nullcmd)</a>
|
|
<a name="1353"><span class="lineNum"> 1353 </span> : {</a>
|
|
<a name="1354"><span class="lineNum"> 1354 </span> : #if defined (HAVE_GETRUSAGE)</a>
|
|
<a name="1355"><span class="lineNum"> 1355 </span> : selfb.ru_utime.tv_sec = kidsb.ru_utime.tv_sec = selfb.ru_stime.tv_sec = kidsb.ru_stime.tv_sec = 0;</a>
|
|
<a name="1356"><span class="lineNum"> 1356 </span> : selfb.ru_utime.tv_usec = kidsb.ru_utime.tv_usec = selfb.ru_stime.tv_usec = kidsb.ru_stime.tv_usec = 0;</a>
|
|
<a name="1357"><span class="lineNum"> 1357 </span> : before.tv_sec = shell_start_time;</a>
|
|
<a name="1358"><span class="lineNum"> 1358 </span> : before.tv_usec = 0;</a>
|
|
<a name="1359"><span class="lineNum"> 1359 </span> : #else</a>
|
|
<a name="1360"><span class="lineNum"> 1360 </span> : before.tms_utime = before.tms_stime = before.tms_cutime = before.tms_cstime = 0;</a>
|
|
<a name="1361"><span class="lineNum"> 1361 </span> : tbefore = shell_start_time;</a>
|
|
<a name="1362"><span class="lineNum"> 1362 </span> : #endif</a>
|
|
<a name="1363"><span class="lineNum"> 1363 </span> : }</a>
|
|
<a name="1364"><span class="lineNum"> 1364 </span> : </a>
|
|
<a name="1365"><span class="lineNum"> 1365 </span> : old_flags = command->flags;</a>
|
|
<a name="1366"><span class="lineNum"> 1366 </span> : COPY_PROCENV (top_level, save_top_level);</a>
|
|
<a name="1367"><span class="lineNum"> 1367 </span> : command->flags &= ~(CMD_TIME_PIPELINE|CMD_TIME_POSIX);</a>
|
|
<a name="1368"><span class="lineNum"> 1368 </span> : code = setjmp_nosigs (top_level);</a>
|
|
<a name="1369"><span class="lineNum"> 1369 </span> : if (code == NOT_JUMPED)</a>
|
|
<a name="1370"><span class="lineNum"> 1370 </span> : rv = execute_command_internal (command, asynchronous, pipe_in, pipe_out, fds_to_close);</a>
|
|
<a name="1371"><span class="lineNum"> 1371 </span> : command->flags = old_flags;</a>
|
|
<a name="1372"><span class="lineNum"> 1372 </span> : COPY_PROCENV (save_top_level, top_level);</a>
|
|
<a name="1373"><span class="lineNum"> 1373 </span> : </a>
|
|
<a name="1374"><span class="lineNum"> 1374 </span> : rs = us = ss = 0;</a>
|
|
<a name="1375"><span class="lineNum"> 1375 </span> : rsf = usf = ssf = cpu = 0;</a>
|
|
<a name="1376"><span class="lineNum"> 1376 </span> : </a>
|
|
<a name="1377"><span class="lineNum"> 1377 </span> : #if defined (HAVE_GETRUSAGE) && defined (HAVE_GETTIMEOFDAY)</a>
|
|
<a name="1378"><span class="lineNum"> 1378 </span> : # if defined (HAVE_STRUCT_TIMEZONE)</a>
|
|
<a name="1379"><span class="lineNum"> 1379 </span> : gettimeofday (&after, &dtz);</a>
|
|
<a name="1380"><span class="lineNum"> 1380 </span> : # else</a>
|
|
<a name="1381"><span class="lineNum"> 1381 </span> : gettimeofday (&after, (void *)NULL);</a>
|
|
<a name="1382"><span class="lineNum"> 1382 </span> : # endif /* !HAVE_STRUCT_TIMEZONE */</a>
|
|
<a name="1383"><span class="lineNum"> 1383 </span> : getrusage (RUSAGE_SELF, &selfa);</a>
|
|
<a name="1384"><span class="lineNum"> 1384 </span> : getrusage (RUSAGE_CHILDREN, &kidsa);</a>
|
|
<a name="1385"><span class="lineNum"> 1385 </span> : </a>
|
|
<a name="1386"><span class="lineNum"> 1386 </span> : difftimeval (&real, &before, &after);</a>
|
|
<a name="1387"><span class="lineNum"> 1387 </span> : timeval_to_secs (&real, &rs, &rsf);</a>
|
|
<a name="1388"><span class="lineNum"> 1388 </span> : </a>
|
|
<a name="1389"><span class="lineNum"> 1389 </span> : addtimeval (&user, difftimeval(&after, &selfb.ru_utime, &selfa.ru_utime),</a>
|
|
<a name="1390"><span class="lineNum"> 1390 </span> : difftimeval(&before, &kidsb.ru_utime, &kidsa.ru_utime));</a>
|
|
<a name="1391"><span class="lineNum"> 1391 </span> : timeval_to_secs (&user, &us, &usf);</a>
|
|
<a name="1392"><span class="lineNum"> 1392 </span> : </a>
|
|
<a name="1393"><span class="lineNum"> 1393 </span> : addtimeval (&sys, difftimeval(&after, &selfb.ru_stime, &selfa.ru_stime),</a>
|
|
<a name="1394"><span class="lineNum"> 1394 </span> : difftimeval(&before, &kidsb.ru_stime, &kidsa.ru_stime));</a>
|
|
<a name="1395"><span class="lineNum"> 1395 </span> : timeval_to_secs (&sys, &ss, &ssf);</a>
|
|
<a name="1396"><span class="lineNum"> 1396 </span> : </a>
|
|
<a name="1397"><span class="lineNum"> 1397 </span> : cpu = timeval_to_cpu (&real, &user, &sys);</a>
|
|
<a name="1398"><span class="lineNum"> 1398 </span> : #else</a>
|
|
<a name="1399"><span class="lineNum"> 1399 </span> : # if defined (HAVE_TIMES)</a>
|
|
<a name="1400"><span class="lineNum"> 1400 </span> : tafter = times (&after);</a>
|
|
<a name="1401"><span class="lineNum"> 1401 </span> : </a>
|
|
<a name="1402"><span class="lineNum"> 1402 </span> : real = tafter - tbefore;</a>
|
|
<a name="1403"><span class="lineNum"> 1403 </span> : clock_t_to_secs (real, &rs, &rsf);</a>
|
|
<a name="1404"><span class="lineNum"> 1404 </span> : </a>
|
|
<a name="1405"><span class="lineNum"> 1405 </span> : user = (after.tms_utime - before.tms_utime) + (after.tms_cutime - before.tms_cutime);</a>
|
|
<a name="1406"><span class="lineNum"> 1406 </span> : clock_t_to_secs (user, &us, &usf);</a>
|
|
<a name="1407"><span class="lineNum"> 1407 </span> : </a>
|
|
<a name="1408"><span class="lineNum"> 1408 </span> : sys = (after.tms_stime - before.tms_stime) + (after.tms_cstime - before.tms_cstime);</a>
|
|
<a name="1409"><span class="lineNum"> 1409 </span> : clock_t_to_secs (sys, &ss, &ssf);</a>
|
|
<a name="1410"><span class="lineNum"> 1410 </span> : </a>
|
|
<a name="1411"><span class="lineNum"> 1411 </span> : cpu = (real == 0) ? 0 : ((user + sys) * 10000) / real;</a>
|
|
<a name="1412"><span class="lineNum"> 1412 </span> : </a>
|
|
<a name="1413"><span class="lineNum"> 1413 </span> : # else</a>
|
|
<a name="1414"><span class="lineNum"> 1414 </span> : rs = us = ss = 0;</a>
|
|
<a name="1415"><span class="lineNum"> 1415 </span> : rsf = usf = ssf = cpu = 0;</a>
|
|
<a name="1416"><span class="lineNum"> 1416 </span> : # endif</a>
|
|
<a name="1417"><span class="lineNum"> 1417 </span> : #endif</a>
|
|
<a name="1418"><span class="lineNum"> 1418 </span> : </a>
|
|
<a name="1419"><span class="lineNum"> 1419 </span> : if (posix_time)</a>
|
|
<a name="1420"><span class="lineNum"> 1420 </span> : time_format = POSIX_TIMEFORMAT;</a>
|
|
<a name="1421"><span class="lineNum"> 1421 </span> : else if ((time_format = get_string_value ("TIMEFORMAT")) == 0)</a>
|
|
<a name="1422"><span class="lineNum"> 1422 </span> : {</a>
|
|
<a name="1423"><span class="lineNum"> 1423 </span> : if (posixly_correct && nullcmd)</a>
|
|
<a name="1424"><span class="lineNum"> 1424 </span> : time_format = "user\t%2lU\nsys\t%2lS";</a>
|
|
<a name="1425"><span class="lineNum"> 1425 </span> : else</a>
|
|
<a name="1426"><span class="lineNum"> 1426 </span> : time_format = BASH_TIMEFORMAT;</a>
|
|
<a name="1427"><span class="lineNum"> 1427 </span> : }</a>
|
|
<a name="1428"><span class="lineNum"> 1428 </span> : if (time_format && *time_format)</a>
|
|
<a name="1429"><span class="lineNum"> 1429 </span> : print_formatted_time (stderr, time_format, rs, rsf, us, usf, ss, ssf, cpu);</a>
|
|
<a name="1430"><span class="lineNum"> 1430 </span> : </a>
|
|
<a name="1431"><span class="lineNum"> 1431 </span> : if (code)</a>
|
|
<a name="1432"><span class="lineNum"> 1432 </span> : sh_longjmp (top_level, code);</a>
|
|
<a name="1433"><span class="lineNum"> 1433 </span> : </a>
|
|
<a name="1434"><span class="lineNum"> 1434 </span> : return rv;</a>
|
|
<a name="1435"><span class="lineNum"> 1435 </span> : }</a>
|
|
<a name="1436"><span class="lineNum"> 1436 </span> : #endif /* COMMAND_TIMING */</a>
|
|
<a name="1437"><span class="lineNum"> 1437 </span> : </a>
|
|
<a name="1438"><span class="lineNum"> 1438 </span> : /* Execute a command that's supposed to be in a subshell. This must be</a>
|
|
<a name="1439"><span class="lineNum"> 1439 </span> : called after make_child and we must be running in the child process.</a>
|
|
<a name="1440"><span class="lineNum"> 1440 </span> : The caller will return or exit() immediately with the value this returns. */</a>
|
|
<a name="1441"><span class="lineNum"> 1441 </span> : static int</a>
|
|
<a name="1442"><span class="lineNum"> 1442 </span><span class="lineCov"> 3601 : execute_in_subshell (command, asynchronous, pipe_in, pipe_out, fds_to_close)</span></a>
|
|
<a name="1443"><span class="lineNum"> 1443 </span> : COMMAND *command;</a>
|
|
<a name="1444"><span class="lineNum"> 1444 </span> : int asynchronous;</a>
|
|
<a name="1445"><span class="lineNum"> 1445 </span> : int pipe_in, pipe_out;</a>
|
|
<a name="1446"><span class="lineNum"> 1446 </span> : struct fd_bitmap *fds_to_close;</a>
|
|
<a name="1447"><span class="lineNum"> 1447 </span> : {</a>
|
|
<a name="1448"><span class="lineNum"> 1448 </span><span class="lineCov"> 3601 : int user_subshell, return_code, function_value, should_redir_stdin, invert;</span></a>
|
|
<a name="1449"><span class="lineNum"> 1449 </span><span class="lineCov"> 3601 : int ois, user_coproc;</span></a>
|
|
<a name="1450"><span class="lineNum"> 1450 </span><span class="lineCov"> 3601 : int result;</span></a>
|
|
<a name="1451"><span class="lineNum"> 1451 </span><span class="lineCov"> 3601 : volatile COMMAND *tcom;</span></a>
|
|
<a name="1452"><span class="lineNum"> 1452 </span> : </a>
|
|
<a name="1453"><span class="lineNum"> 1453 </span><span class="lineCov"> 3601 : USE_VAR(user_subshell);</span></a>
|
|
<a name="1454"><span class="lineNum"> 1454 </span><span class="lineCov"> 3601 : USE_VAR(user_coproc);</span></a>
|
|
<a name="1455"><span class="lineNum"> 1455 </span><span class="lineCov"> 3601 : USE_VAR(invert);</span></a>
|
|
<a name="1456"><span class="lineNum"> 1456 </span><span class="lineCov"> 3601 : USE_VAR(tcom);</span></a>
|
|
<a name="1457"><span class="lineNum"> 1457 </span><span class="lineCov"> 3601 : USE_VAR(asynchronous);</span></a>
|
|
<a name="1458"><span class="lineNum"> 1458 </span> : </a>
|
|
<a name="1459"><span class="lineNum"> 1459 </span><span class="lineCov"> 3601 : subshell_level++;</span></a>
|
|
<a name="1460"><span class="lineNum"> 1460 </span><span class="lineCov"> 447 : should_redir_stdin = (asynchronous && (command->flags & CMD_STDIN_REDIR) &&</span></a>
|
|
<a name="1461"><span class="lineNum"> 1461 </span><span class="lineCov"> 4048 : pipe_in == NO_PIPE &&</span></a>
|
|
<a name="1462"><span class="lineNum"> 1462 </span><span class="lineCov"> 447 : stdin_redirects (command->redirects) == 0);</span></a>
|
|
<a name="1463"><span class="lineNum"> 1463 </span> : </a>
|
|
<a name="1464"><span class="lineNum"> 1464 </span><span class="lineCov"> 3601 : invert = (command->flags & CMD_INVERT_RETURN) != 0;</span></a>
|
|
<a name="1465"><span class="lineNum"> 1465 </span><span class="lineCov"> 3601 : user_subshell = command->type == cm_subshell || ((command->flags & CMD_WANT_SUBSHELL) != 0);</span></a>
|
|
<a name="1466"><span class="lineNum"> 1466 </span><span class="lineCov"> 3601 : user_coproc = command->type == cm_coproc;</span></a>
|
|
<a name="1467"><span class="lineNum"> 1467 </span> : </a>
|
|
<a name="1468"><span class="lineNum"> 1468 </span><span class="lineCov"> 3601 : command->flags &= ~(CMD_FORCE_SUBSHELL | CMD_WANT_SUBSHELL | CMD_INVERT_RETURN);</span></a>
|
|
<a name="1469"><span class="lineNum"> 1469 </span> : </a>
|
|
<a name="1470"><span class="lineNum"> 1470 </span> : /* If a command is asynchronous in a subshell (like ( foo ) & or</a>
|
|
<a name="1471"><span class="lineNum"> 1471 </span> : the special case of an asynchronous GROUP command where the</a>
|
|
<a name="1472"><span class="lineNum"> 1472 </span> : the subshell bit is turned on down in case cm_group: below),</a>
|
|
<a name="1473"><span class="lineNum"> 1473 </span> : turn off `asynchronous', so that two subshells aren't spawned.</a>
|
|
<a name="1474"><span class="lineNum"> 1474 </span> : XXX - asynchronous used to be set to 0 in this block, but that</a>
|
|
<a name="1475"><span class="lineNum"> 1475 </span> : means that setup_async_signals was never run. Now it's set to</a>
|
|
<a name="1476"><span class="lineNum"> 1476 </span> : 0 after subshell_environment is set appropriately and setup_async_signals</a>
|
|
<a name="1477"><span class="lineNum"> 1477 </span> : is run.</a>
|
|
<a name="1478"><span class="lineNum"> 1478 </span> : </a>
|
|
<a name="1479"><span class="lineNum"> 1479 </span> : This seems semantically correct to me. For example,</a>
|
|
<a name="1480"><span class="lineNum"> 1480 </span> : ( foo ) & seems to say ``do the command `foo' in a subshell</a>
|
|
<a name="1481"><span class="lineNum"> 1481 </span> : environment, but don't wait for that subshell to finish'',</a>
|
|
<a name="1482"><span class="lineNum"> 1482 </span> : and "{ foo ; bar ; } &" seems to me to be like functions or</a>
|
|
<a name="1483"><span class="lineNum"> 1483 </span> : builtins in the background, which executed in a subshell</a>
|
|
<a name="1484"><span class="lineNum"> 1484 </span> : environment. I just don't see the need to fork two subshells. */</a>
|
|
<a name="1485"><span class="lineNum"> 1485 </span> : </a>
|
|
<a name="1486"><span class="lineNum"> 1486 </span> : /* Don't fork again, we are already in a subshell. A `doubly</a>
|
|
<a name="1487"><span class="lineNum"> 1487 </span> : async' shell is not interactive, however. */</a>
|
|
<a name="1488"><span class="lineNum"> 1488 </span><span class="lineCov"> 3601 : if (asynchronous)</span></a>
|
|
<a name="1489"><span class="lineNum"> 1489 </span> : {</a>
|
|
<a name="1490"><span class="lineNum"> 1490 </span> : #if defined (JOB_CONTROL)</a>
|
|
<a name="1491"><span class="lineNum"> 1491 </span> : /* If a construct like ( exec xxx yyy ) & is given while job</a>
|
|
<a name="1492"><span class="lineNum"> 1492 </span> : control is active, we want to prevent exec from putting the</a>
|
|
<a name="1493"><span class="lineNum"> 1493 </span> : subshell back into the original process group, carefully</a>
|
|
<a name="1494"><span class="lineNum"> 1494 </span> : undoing all the work we just did in make_child. */</a>
|
|
<a name="1495"><span class="lineNum"> 1495 </span><span class="lineCov"> 447 : original_pgrp = -1;</span></a>
|
|
<a name="1496"><span class="lineNum"> 1496 </span> : #endif /* JOB_CONTROL */</a>
|
|
<a name="1497"><span class="lineNum"> 1497 </span><span class="lineCov"> 447 : ois = interactive_shell;</span></a>
|
|
<a name="1498"><span class="lineNum"> 1498 </span><span class="lineCov"> 447 : interactive_shell = 0;</span></a>
|
|
<a name="1499"><span class="lineNum"> 1499 </span> : /* This test is to prevent alias expansion by interactive shells that</a>
|
|
<a name="1500"><span class="lineNum"> 1500 </span> : run `(command) &' but to allow scripts that have enabled alias</a>
|
|
<a name="1501"><span class="lineNum"> 1501 </span> : expansion with `shopt -s expand_alias' to continue to expand</a>
|
|
<a name="1502"><span class="lineNum"> 1502 </span> : aliases. */</a>
|
|
<a name="1503"><span class="lineNum"> 1503 </span><span class="lineCov"> 447 : if (ois != interactive_shell)</span></a>
|
|
<a name="1504"><span class="lineNum"> 1504 </span><span class="lineNoCov"> 0 : expand_aliases = 0;</span></a>
|
|
<a name="1505"><span class="lineNum"> 1505 </span> : }</a>
|
|
<a name="1506"><span class="lineNum"> 1506 </span> : </a>
|
|
<a name="1507"><span class="lineNum"> 1507 </span> : /* Subshells are neither login nor interactive. */</a>
|
|
<a name="1508"><span class="lineNum"> 1508 </span><span class="lineCov"> 3601 : login_shell = interactive = 0;</span></a>
|
|
<a name="1509"><span class="lineNum"> 1509 </span> : </a>
|
|
<a name="1510"><span class="lineNum"> 1510 </span><span class="lineCov"> 3601 : if (user_subshell)</span></a>
|
|
<a name="1511"><span class="lineNum"> 1511 </span><span class="lineCov"> 105 : subshell_environment = SUBSHELL_PAREN; /* XXX */</span></a>
|
|
<a name="1512"><span class="lineNum"> 1512 </span> : else</a>
|
|
<a name="1513"><span class="lineNum"> 1513 </span> : {</a>
|
|
<a name="1514"><span class="lineNum"> 1514 </span><span class="lineCov"> 3496 : subshell_environment = 0; /* XXX */</span></a>
|
|
<a name="1515"><span class="lineNum"> 1515 </span><span class="lineCov"> 3496 : if (asynchronous)</span></a>
|
|
<a name="1516"><span class="lineNum"> 1516 </span><span class="lineCov"> 406 : subshell_environment |= SUBSHELL_ASYNC;</span></a>
|
|
<a name="1517"><span class="lineNum"> 1517 </span><span class="lineCov"> 3496 : if (pipe_in != NO_PIPE || pipe_out != NO_PIPE)</span></a>
|
|
<a name="1518"><span class="lineNum"> 1518 </span><span class="lineCov"> 3090 : subshell_environment |= SUBSHELL_PIPE;</span></a>
|
|
<a name="1519"><span class="lineNum"> 1519 </span><span class="lineCov"> 3496 : if (user_coproc)</span></a>
|
|
<a name="1520"><span class="lineNum"> 1520 </span><span class="lineNoCov"> 0 : subshell_environment |= SUBSHELL_COPROC;</span></a>
|
|
<a name="1521"><span class="lineNum"> 1521 </span> : }</a>
|
|
<a name="1522"><span class="lineNum"> 1522 </span> : </a>
|
|
<a name="1523"><span class="lineNum"> 1523 </span><span class="lineCov"> 3601 : reset_terminating_signals (); /* in sig.c */</span></a>
|
|
<a name="1524"><span class="lineNum"> 1524 </span> : /* Cancel traps, in trap.c. */</a>
|
|
<a name="1525"><span class="lineNum"> 1525 </span> : /* Reset the signal handlers in the child, but don't free the</a>
|
|
<a name="1526"><span class="lineNum"> 1526 </span> : trap strings. Set a flag noting that we have to free the</a>
|
|
<a name="1527"><span class="lineNum"> 1527 </span> : trap strings if we run trap to change a signal disposition. */</a>
|
|
<a name="1528"><span class="lineNum"> 1528 </span><span class="lineCov"> 3601 : reset_signal_handlers ();</span></a>
|
|
<a name="1529"><span class="lineNum"> 1529 </span><span class="lineCov"> 3601 : subshell_environment |= SUBSHELL_RESETTRAP;</span></a>
|
|
<a name="1530"><span class="lineNum"> 1530 </span> : </a>
|
|
<a name="1531"><span class="lineNum"> 1531 </span> : /* Make sure restore_original_signals doesn't undo the work done by</a>
|
|
<a name="1532"><span class="lineNum"> 1532 </span> : make_child to ensure that asynchronous children are immune to SIGINT</a>
|
|
<a name="1533"><span class="lineNum"> 1533 </span> : and SIGQUIT. Turn off asynchronous to make sure more subshells are</a>
|
|
<a name="1534"><span class="lineNum"> 1534 </span> : not spawned. */</a>
|
|
<a name="1535"><span class="lineNum"> 1535 </span><span class="lineCov"> 3601 : if (asynchronous)</span></a>
|
|
<a name="1536"><span class="lineNum"> 1536 </span> : {</a>
|
|
<a name="1537"><span class="lineNum"> 1537 </span><span class="lineCov"> 447 : setup_async_signals ();</span></a>
|
|
<a name="1538"><span class="lineNum"> 1538 </span> : asynchronous = 0;</a>
|
|
<a name="1539"><span class="lineNum"> 1539 </span> : }</a>
|
|
<a name="1540"><span class="lineNum"> 1540 </span> : </a>
|
|
<a name="1541"><span class="lineNum"> 1541 </span> : #if defined (JOB_CONTROL)</a>
|
|
<a name="1542"><span class="lineNum"> 1542 </span><span class="lineCov"> 3601 : set_sigchld_handler ();</span></a>
|
|
<a name="1543"><span class="lineNum"> 1543 </span> : #endif /* JOB_CONTROL */</a>
|
|
<a name="1544"><span class="lineNum"> 1544 </span> : </a>
|
|
<a name="1545"><span class="lineNum"> 1545 </span><span class="lineCov"> 3601 : set_sigint_handler ();</span></a>
|
|
<a name="1546"><span class="lineNum"> 1546 </span> : </a>
|
|
<a name="1547"><span class="lineNum"> 1547 </span> : #if defined (JOB_CONTROL)</a>
|
|
<a name="1548"><span class="lineNum"> 1548 </span> : /* Delete all traces that there were any jobs running. This is</a>
|
|
<a name="1549"><span class="lineNum"> 1549 </span> : only for subshells. */</a>
|
|
<a name="1550"><span class="lineNum"> 1550 </span><span class="lineCov"> 3601 : without_job_control ();</span></a>
|
|
<a name="1551"><span class="lineNum"> 1551 </span> : #endif /* JOB_CONTROL */</a>
|
|
<a name="1552"><span class="lineNum"> 1552 </span> : </a>
|
|
<a name="1553"><span class="lineNum"> 1553 </span><span class="lineCov"> 3601 : if (fds_to_close)</span></a>
|
|
<a name="1554"><span class="lineNum"> 1554 </span><span class="lineCov"> 3601 : close_fd_bitmap (fds_to_close);</span></a>
|
|
<a name="1555"><span class="lineNum"> 1555 </span> : </a>
|
|
<a name="1556"><span class="lineNum"> 1556 </span><span class="lineCov"> 3601 : do_piping (pipe_in, pipe_out);</span></a>
|
|
<a name="1557"><span class="lineNum"> 1557 </span> : </a>
|
|
<a name="1558"><span class="lineNum"> 1558 </span> : #if defined (COPROCESS_SUPPORT)</a>
|
|
<a name="1559"><span class="lineNum"> 1559 </span><span class="lineCov"> 3601 : coproc_closeall ();</span></a>
|
|
<a name="1560"><span class="lineNum"> 1560 </span> : #endif</a>
|
|
<a name="1561"><span class="lineNum"> 1561 </span> : </a>
|
|
<a name="1562"><span class="lineNum"> 1562 </span> : /* If this is a user subshell, set a flag if stdin was redirected.</a>
|
|
<a name="1563"><span class="lineNum"> 1563 </span> : This is used later to decide whether to redirect fd 0 to</a>
|
|
<a name="1564"><span class="lineNum"> 1564 </span> : /dev/null for async commands in the subshell. This adds more</a>
|
|
<a name="1565"><span class="lineNum"> 1565 </span> : sh compatibility, but I'm not sure it's the right thing to do.</a>
|
|
<a name="1566"><span class="lineNum"> 1566 </span> : Note that an input pipe to a compound command suffices to inhibit</a>
|
|
<a name="1567"><span class="lineNum"> 1567 </span> : the implicit /dev/null redirection for asynchronous commands</a>
|
|
<a name="1568"><span class="lineNum"> 1568 </span> : executed as part of that compound command. */</a>
|
|
<a name="1569"><span class="lineNum"> 1569 </span><span class="lineCov"> 3601 : if (user_subshell)</span></a>
|
|
<a name="1570"><span class="lineNum"> 1570 </span> : {</a>
|
|
<a name="1571"><span class="lineNum"> 1571 </span><span class="lineCov"> 210 : stdin_redir = stdin_redirects (command->redirects) || pipe_in != NO_PIPE;</span></a>
|
|
<a name="1572"><span class="lineNum"> 1572 </span> : #if 0</a>
|
|
<a name="1573"><span class="lineNum"> 1573 </span> : restore_default_signal (EXIT_TRAP); /* XXX - reset_signal_handlers above */</a>
|
|
<a name="1574"><span class="lineNum"> 1574 </span> : #endif</a>
|
|
<a name="1575"><span class="lineNum"> 1575 </span> : }</a>
|
|
<a name="1576"><span class="lineNum"> 1576 </span><span class="lineCov"> 6824 : else if (shell_control_structure (command->type) && pipe_in != NO_PIPE)</span></a>
|
|
<a name="1577"><span class="lineNum"> 1577 </span><span class="lineCov"> 3090 : stdin_redir = 1;</span></a>
|
|
<a name="1578"><span class="lineNum"> 1578 </span> : </a>
|
|
<a name="1579"><span class="lineNum"> 1579 </span> : /* If this is an asynchronous command (command &), we want to</a>
|
|
<a name="1580"><span class="lineNum"> 1580 </span> : redirect the standard input from /dev/null in the absence of</a>
|
|
<a name="1581"><span class="lineNum"> 1581 </span> : any specific redirection involving stdin. */</a>
|
|
<a name="1582"><span class="lineNum"> 1582 </span><span class="lineCov"> 3601 : if (should_redir_stdin && stdin_redir == 0)</span></a>
|
|
<a name="1583"><span class="lineNum"> 1583 </span><span class="lineCov"> 447 : async_redirect_stdin ();</span></a>
|
|
<a name="1584"><span class="lineNum"> 1584 </span> : </a>
|
|
<a name="1585"><span class="lineNum"> 1585 </span> : /* Do redirections, then dispose of them before recursive call. */</a>
|
|
<a name="1586"><span class="lineNum"> 1586 </span><span class="lineCov"> 3601 : if (command->redirects)</span></a>
|
|
<a name="1587"><span class="lineNum"> 1587 </span> : {</a>
|
|
<a name="1588"><span class="lineNum"> 1588 </span><span class="lineNoCov"> 0 : if (do_redirections (command->redirects, RX_ACTIVE) != 0)</span></a>
|
|
<a name="1589"><span class="lineNum"> 1589 </span><span class="lineNoCov"> 0 : exit (invert ? EXECUTION_SUCCESS : EXECUTION_FAILURE);</span></a>
|
|
<a name="1590"><span class="lineNum"> 1590 </span> : </a>
|
|
<a name="1591"><span class="lineNum"> 1591 </span><span class="lineNoCov"> 0 : dispose_redirects (command->redirects);</span></a>
|
|
<a name="1592"><span class="lineNum"> 1592 </span><span class="lineNoCov"> 0 : command->redirects = (REDIRECT *)NULL;</span></a>
|
|
<a name="1593"><span class="lineNum"> 1593 </span> : }</a>
|
|
<a name="1594"><span class="lineNum"> 1594 </span> : </a>
|
|
<a name="1595"><span class="lineNum"> 1595 </span><span class="lineCov"> 3601 : if (command->type == cm_subshell)</span></a>
|
|
<a name="1596"><span class="lineNum"> 1596 </span><span class="lineCov"> 105 : tcom = command->value.Subshell->command;</span></a>
|
|
<a name="1597"><span class="lineNum"> 1597 </span><span class="lineCov"> 3496 : else if (user_coproc)</span></a>
|
|
<a name="1598"><span class="lineNum"> 1598 </span><span class="lineNoCov"> 0 : tcom = command->value.Coproc->command;</span></a>
|
|
<a name="1599"><span class="lineNum"> 1599 </span> : else</a>
|
|
<a name="1600"><span class="lineNum"> 1600 </span> : tcom = command;</a>
|
|
<a name="1601"><span class="lineNum"> 1601 </span> : </a>
|
|
<a name="1602"><span class="lineNum"> 1602 </span><span class="lineCov"> 3601 : if (command->flags & CMD_TIME_PIPELINE)</span></a>
|
|
<a name="1603"><span class="lineNum"> 1603 </span><span class="lineNoCov"> 0 : tcom->flags |= CMD_TIME_PIPELINE;</span></a>
|
|
<a name="1604"><span class="lineNum"> 1604 </span><span class="lineCov"> 3601 : if (command->flags & CMD_TIME_POSIX)</span></a>
|
|
<a name="1605"><span class="lineNum"> 1605 </span><span class="lineNoCov"> 0 : tcom->flags |= CMD_TIME_POSIX;</span></a>
|
|
<a name="1606"><span class="lineNum"> 1606 </span> : </a>
|
|
<a name="1607"><span class="lineNum"> 1607 </span> : /* Make sure the subshell inherits any CMD_IGNORE_RETURN flag. */</a>
|
|
<a name="1608"><span class="lineNum"> 1608 </span><span class="lineCov"> 3601 : if ((command->flags & CMD_IGNORE_RETURN) && tcom != command)</span></a>
|
|
<a name="1609"><span class="lineNum"> 1609 </span><span class="lineNoCov"> 0 : tcom->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="1610"><span class="lineNum"> 1610 </span> : </a>
|
|
<a name="1611"><span class="lineNum"> 1611 </span> : /* If this is a simple command, tell execute_disk_command that it</a>
|
|
<a name="1612"><span class="lineNum"> 1612 </span> : might be able to get away without forking and simply exec.</a>
|
|
<a name="1613"><span class="lineNum"> 1613 </span> : This means things like ( sleep 10 ) will only cause one fork.</a>
|
|
<a name="1614"><span class="lineNum"> 1614 </span> : If we're timing the command or inverting its return value, however,</a>
|
|
<a name="1615"><span class="lineNum"> 1615 </span> : we cannot do this optimization. */</a>
|
|
<a name="1616"><span class="lineNum"> 1616 </span><span class="lineCov"> 3601 : if ((user_subshell || user_coproc) && (tcom->type == cm_simple || tcom->type == cm_subshell) &&</span></a>
|
|
<a name="1617"><span class="lineNum"> 1617 </span><span class="lineCov"> 13 : ((tcom->flags & CMD_TIME_PIPELINE) == 0) &&</span></a>
|
|
<a name="1618"><span class="lineNum"> 1618 </span><span class="lineCov"> 13 : ((tcom->flags & CMD_INVERT_RETURN) == 0))</span></a>
|
|
<a name="1619"><span class="lineNum"> 1619 </span> : {</a>
|
|
<a name="1620"><span class="lineNum"> 1620 </span><span class="lineCov"> 13 : tcom->flags |= CMD_NO_FORK;</span></a>
|
|
<a name="1621"><span class="lineNum"> 1621 </span><span class="lineCov"> 13 : if (tcom->type == cm_simple)</span></a>
|
|
<a name="1622"><span class="lineNum"> 1622 </span><span class="lineCov"> 13 : tcom->value.Simple->flags |= CMD_NO_FORK;</span></a>
|
|
<a name="1623"><span class="lineNum"> 1623 </span> : }</a>
|
|
<a name="1624"><span class="lineNum"> 1624 </span> : </a>
|
|
<a name="1625"><span class="lineNum"> 1625 </span><span class="lineCov"> 3601 : invert = (tcom->flags & CMD_INVERT_RETURN) != 0;</span></a>
|
|
<a name="1626"><span class="lineNum"> 1626 </span><span class="lineCov"> 3601 : tcom->flags &= ~CMD_INVERT_RETURN;</span></a>
|
|
<a name="1627"><span class="lineNum"> 1627 </span> : </a>
|
|
<a name="1628"><span class="lineNum"> 1628 </span><span class="lineCov"> 3654 : result = setjmp_nosigs (top_level);</span></a>
|
|
<a name="1629"><span class="lineNum"> 1629 </span> : </a>
|
|
<a name="1630"><span class="lineNum"> 1630 </span> : /* If we're inside a function while executing this subshell, we</a>
|
|
<a name="1631"><span class="lineNum"> 1631 </span> : need to handle a possible `return'. */</a>
|
|
<a name="1632"><span class="lineNum"> 1632 </span><span class="lineCov"> 3654 : function_value = 0;</span></a>
|
|
<a name="1633"><span class="lineNum"> 1633 </span><span class="lineCov"> 3654 : if (return_catch_flag)</span></a>
|
|
<a name="1634"><span class="lineNum"> 1634 </span><span class="lineCov"> 1392 : function_value = setjmp_nosigs (return_catch);</span></a>
|
|
<a name="1635"><span class="lineNum"> 1635 </span> : </a>
|
|
<a name="1636"><span class="lineNum"> 1636 </span> : /* If we're going to exit the shell, we don't want to invert the return</a>
|
|
<a name="1637"><span class="lineNum"> 1637 </span> : status. */</a>
|
|
<a name="1638"><span class="lineNum"> 1638 </span><span class="lineCov"> 3654 : if (result == EXITPROG)</span></a>
|
|
<a name="1639"><span class="lineNum"> 1639 </span><span class="lineCov"> 53 : invert = 0, return_code = last_command_exit_value;</span></a>
|
|
<a name="1640"><span class="lineNum"> 1640 </span><span class="lineCov"> 3601 : else if (result)</span></a>
|
|
<a name="1641"><span class="lineNum"> 1641 </span><span class="lineNoCov"> 0 : return_code = (last_command_exit_value == EXECUTION_SUCCESS) ? EXECUTION_FAILURE : last_command_exit_value;</span></a>
|
|
<a name="1642"><span class="lineNum"> 1642 </span><span class="lineCov"> 3601 : else if (function_value)</span></a>
|
|
<a name="1643"><span class="lineNum"> 1643 </span><span class="lineNoCov"> 0 : return_code = return_catch_value;</span></a>
|
|
<a name="1644"><span class="lineNum"> 1644 </span> : else</a>
|
|
<a name="1645"><span class="lineNum"> 1645 </span><span class="lineCov"> 3601 : return_code = execute_command_internal ((COMMAND *)tcom, asynchronous, NO_PIPE, NO_PIPE, fds_to_close);</span></a>
|
|
<a name="1646"><span class="lineNum"> 1646 </span> : </a>
|
|
<a name="1647"><span class="lineNum"> 1647 </span> : /* If we are asked to, invert the return value. */</a>
|
|
<a name="1648"><span class="lineNum"> 1648 </span><span class="lineCov"> 3589 : if (invert)</span></a>
|
|
<a name="1649"><span class="lineNum"> 1649 </span><span class="lineNoCov"> 0 : return_code = (return_code == EXECUTION_SUCCESS) ? EXECUTION_FAILURE</span></a>
|
|
<a name="1650"><span class="lineNum"> 1650 </span><span class="lineNoCov"> 0 : : EXECUTION_SUCCESS;</span></a>
|
|
<a name="1651"><span class="lineNum"> 1651 </span> : </a>
|
|
<a name="1652"><span class="lineNum"> 1652 </span> : /* If we were explicitly placed in a subshell with (), we need</a>
|
|
<a name="1653"><span class="lineNum"> 1653 </span> : to do the `shell cleanup' things, such as running traps[0]. */</a>
|
|
<a name="1654"><span class="lineNum"> 1654 </span><span class="lineCov"> 3589 : if (user_subshell && signal_is_trapped (0))</span></a>
|
|
<a name="1655"><span class="lineNum"> 1655 </span> : {</a>
|
|
<a name="1656"><span class="lineNum"> 1656 </span><span class="lineNoCov"> 0 : last_command_exit_value = return_code;</span></a>
|
|
<a name="1657"><span class="lineNum"> 1657 </span><span class="lineNoCov"> 0 : return_code = run_exit_trap ();</span></a>
|
|
<a name="1658"><span class="lineNum"> 1658 </span> : }</a>
|
|
<a name="1659"><span class="lineNum"> 1659 </span> : </a>
|
|
<a name="1660"><span class="lineNum"> 1660 </span> : #if 0</a>
|
|
<a name="1661"><span class="lineNum"> 1661 </span> : subshell_level--; /* don't bother, caller will just exit */</a>
|
|
<a name="1662"><span class="lineNum"> 1662 </span> : #endif</a>
|
|
<a name="1663"><span class="lineNum"> 1663 </span><span class="lineCov"> 3589 : return (return_code);</span></a>
|
|
<a name="1664"><span class="lineNum"> 1664 </span> : /* NOTREACHED */</a>
|
|
<a name="1665"><span class="lineNum"> 1665 </span> : }</a>
|
|
<a name="1666"><span class="lineNum"> 1666 </span> : </a>
|
|
<a name="1667"><span class="lineNum"> 1667 </span> : #if defined (COPROCESS_SUPPORT)</a>
|
|
<a name="1668"><span class="lineNum"> 1668 </span> : #define COPROC_MAX 16</a>
|
|
<a name="1669"><span class="lineNum"> 1669 </span> : </a>
|
|
<a name="1670"><span class="lineNum"> 1670 </span> : typedef struct cpelement</a>
|
|
<a name="1671"><span class="lineNum"> 1671 </span> : {</a>
|
|
<a name="1672"><span class="lineNum"> 1672 </span> : struct cpelement *next;</a>
|
|
<a name="1673"><span class="lineNum"> 1673 </span> : struct coproc *coproc;</a>
|
|
<a name="1674"><span class="lineNum"> 1674 </span> : }</a>
|
|
<a name="1675"><span class="lineNum"> 1675 </span> : cpelement_t;</a>
|
|
<a name="1676"><span class="lineNum"> 1676 </span> : </a>
|
|
<a name="1677"><span class="lineNum"> 1677 </span> : typedef struct cplist</a>
|
|
<a name="1678"><span class="lineNum"> 1678 </span> : {</a>
|
|
<a name="1679"><span class="lineNum"> 1679 </span> : struct cpelement *head;</a>
|
|
<a name="1680"><span class="lineNum"> 1680 </span> : struct cpelement *tail;</a>
|
|
<a name="1681"><span class="lineNum"> 1681 </span> : int ncoproc;</a>
|
|
<a name="1682"><span class="lineNum"> 1682 </span> : int lock;</a>
|
|
<a name="1683"><span class="lineNum"> 1683 </span> : }</a>
|
|
<a name="1684"><span class="lineNum"> 1684 </span> : cplist_t;</a>
|
|
<a name="1685"><span class="lineNum"> 1685 </span> : </a>
|
|
<a name="1686"><span class="lineNum"> 1686 </span> : #if MULTIPLE_COPROCS</a>
|
|
<a name="1687"><span class="lineNum"> 1687 </span> : static struct cpelement *cpe_alloc __P((struct coproc *));</a>
|
|
<a name="1688"><span class="lineNum"> 1688 </span> : static void cpe_dispose __P((struct cpelement *));</a>
|
|
<a name="1689"><span class="lineNum"> 1689 </span> : static struct cpelement *cpl_add __P((struct coproc *));</a>
|
|
<a name="1690"><span class="lineNum"> 1690 </span> : static struct cpelement *cpl_delete __P((pid_t));</a>
|
|
<a name="1691"><span class="lineNum"> 1691 </span> : static void cpl_reap __P((void));</a>
|
|
<a name="1692"><span class="lineNum"> 1692 </span> : static void cpl_flush __P((void));</a>
|
|
<a name="1693"><span class="lineNum"> 1693 </span> : static void cpl_closeall __P((void));</a>
|
|
<a name="1694"><span class="lineNum"> 1694 </span> : static struct cpelement *cpl_search __P((pid_t));</a>
|
|
<a name="1695"><span class="lineNum"> 1695 </span> : static struct cpelement *cpl_searchbyname __P((const char *));</a>
|
|
<a name="1696"><span class="lineNum"> 1696 </span> : #if 0</a>
|
|
<a name="1697"><span class="lineNum"> 1697 </span> : static void cpl_prune __P((void));</a>
|
|
<a name="1698"><span class="lineNum"> 1698 </span> : #endif</a>
|
|
<a name="1699"><span class="lineNum"> 1699 </span> : static void coproc_free __P((struct coproc *));</a>
|
|
<a name="1700"><span class="lineNum"> 1700 </span> : #endif</a>
|
|
<a name="1701"><span class="lineNum"> 1701 </span> : </a>
|
|
<a name="1702"><span class="lineNum"> 1702 </span> : /* Will go away when there is fully-implemented support for multiple coprocs. */</a>
|
|
<a name="1703"><span class="lineNum"> 1703 </span> : Coproc sh_coproc = { 0, NO_PID, -1, -1, 0, 0, 0, 0, 0 };</a>
|
|
<a name="1704"><span class="lineNum"> 1704 </span> : </a>
|
|
<a name="1705"><span class="lineNum"> 1705 </span> : #if MULTIPLE_COPROCS</a>
|
|
<a name="1706"><span class="lineNum"> 1706 </span> : cplist_t coproc_list = {0, 0, 0};</a>
|
|
<a name="1707"><span class="lineNum"> 1707 </span> : </a>
|
|
<a name="1708"><span class="lineNum"> 1708 </span> : /* Functions to manage the list of coprocs */</a>
|
|
<a name="1709"><span class="lineNum"> 1709 </span> : </a>
|
|
<a name="1710"><span class="lineNum"> 1710 </span> : static struct cpelement *</a>
|
|
<a name="1711"><span class="lineNum"> 1711 </span> : cpe_alloc (cp)</a>
|
|
<a name="1712"><span class="lineNum"> 1712 </span> : Coproc *cp;</a>
|
|
<a name="1713"><span class="lineNum"> 1713 </span> : {</a>
|
|
<a name="1714"><span class="lineNum"> 1714 </span> : struct cpelement *cpe;</a>
|
|
<a name="1715"><span class="lineNum"> 1715 </span> : </a>
|
|
<a name="1716"><span class="lineNum"> 1716 </span> : cpe = (struct cpelement *)xmalloc (sizeof (struct cpelement));</a>
|
|
<a name="1717"><span class="lineNum"> 1717 </span> : cpe->coproc = cp;</a>
|
|
<a name="1718"><span class="lineNum"> 1718 </span> : cpe->next = (struct cpelement *)0;</a>
|
|
<a name="1719"><span class="lineNum"> 1719 </span> : return cpe;</a>
|
|
<a name="1720"><span class="lineNum"> 1720 </span> : }</a>
|
|
<a name="1721"><span class="lineNum"> 1721 </span> : </a>
|
|
<a name="1722"><span class="lineNum"> 1722 </span> : static void</a>
|
|
<a name="1723"><span class="lineNum"> 1723 </span> : cpe_dispose (cpe)</a>
|
|
<a name="1724"><span class="lineNum"> 1724 </span> : struct cpelement *cpe;</a>
|
|
<a name="1725"><span class="lineNum"> 1725 </span> : {</a>
|
|
<a name="1726"><span class="lineNum"> 1726 </span> : free (cpe);</a>
|
|
<a name="1727"><span class="lineNum"> 1727 </span> : }</a>
|
|
<a name="1728"><span class="lineNum"> 1728 </span> : </a>
|
|
<a name="1729"><span class="lineNum"> 1729 </span> : static struct cpelement *</a>
|
|
<a name="1730"><span class="lineNum"> 1730 </span> : cpl_add (cp)</a>
|
|
<a name="1731"><span class="lineNum"> 1731 </span> : Coproc *cp;</a>
|
|
<a name="1732"><span class="lineNum"> 1732 </span> : {</a>
|
|
<a name="1733"><span class="lineNum"> 1733 </span> : struct cpelement *cpe;</a>
|
|
<a name="1734"><span class="lineNum"> 1734 </span> : </a>
|
|
<a name="1735"><span class="lineNum"> 1735 </span> : cpe = cpe_alloc (cp);</a>
|
|
<a name="1736"><span class="lineNum"> 1736 </span> : </a>
|
|
<a name="1737"><span class="lineNum"> 1737 </span> : if (coproc_list.head == 0)</a>
|
|
<a name="1738"><span class="lineNum"> 1738 </span> : {</a>
|
|
<a name="1739"><span class="lineNum"> 1739 </span> : coproc_list.head = coproc_list.tail = cpe;</a>
|
|
<a name="1740"><span class="lineNum"> 1740 </span> : coproc_list.ncoproc = 0; /* just to make sure */</a>
|
|
<a name="1741"><span class="lineNum"> 1741 </span> : }</a>
|
|
<a name="1742"><span class="lineNum"> 1742 </span> : else</a>
|
|
<a name="1743"><span class="lineNum"> 1743 </span> : {</a>
|
|
<a name="1744"><span class="lineNum"> 1744 </span> : coproc_list.tail->next = cpe;</a>
|
|
<a name="1745"><span class="lineNum"> 1745 </span> : coproc_list.tail = cpe;</a>
|
|
<a name="1746"><span class="lineNum"> 1746 </span> : }</a>
|
|
<a name="1747"><span class="lineNum"> 1747 </span> : coproc_list.ncoproc++;</a>
|
|
<a name="1748"><span class="lineNum"> 1748 </span> : </a>
|
|
<a name="1749"><span class="lineNum"> 1749 </span> : return cpe;</a>
|
|
<a name="1750"><span class="lineNum"> 1750 </span> : }</a>
|
|
<a name="1751"><span class="lineNum"> 1751 </span> : </a>
|
|
<a name="1752"><span class="lineNum"> 1752 </span> : static struct cpelement *</a>
|
|
<a name="1753"><span class="lineNum"> 1753 </span> : cpl_delete (pid)</a>
|
|
<a name="1754"><span class="lineNum"> 1754 </span> : pid_t pid;</a>
|
|
<a name="1755"><span class="lineNum"> 1755 </span> : {</a>
|
|
<a name="1756"><span class="lineNum"> 1756 </span> : struct cpelement *prev, *p;</a>
|
|
<a name="1757"><span class="lineNum"> 1757 </span> : </a>
|
|
<a name="1758"><span class="lineNum"> 1758 </span> : for (prev = p = coproc_list.head; p; prev = p, p = p->next)</a>
|
|
<a name="1759"><span class="lineNum"> 1759 </span> : if (p->coproc->c_pid == pid)</a>
|
|
<a name="1760"><span class="lineNum"> 1760 </span> : {</a>
|
|
<a name="1761"><span class="lineNum"> 1761 </span> : prev->next = p->next; /* remove from list */</a>
|
|
<a name="1762"><span class="lineNum"> 1762 </span> : break;</a>
|
|
<a name="1763"><span class="lineNum"> 1763 </span> : }</a>
|
|
<a name="1764"><span class="lineNum"> 1764 </span> : </a>
|
|
<a name="1765"><span class="lineNum"> 1765 </span> : if (p == 0)</a>
|
|
<a name="1766"><span class="lineNum"> 1766 </span> : return 0; /* not found */</a>
|
|
<a name="1767"><span class="lineNum"> 1767 </span> : </a>
|
|
<a name="1768"><span class="lineNum"> 1768 </span> : #if defined (DEBUG)</a>
|
|
<a name="1769"><span class="lineNum"> 1769 </span> : itrace("cpl_delete: deleting %d", pid);</a>
|
|
<a name="1770"><span class="lineNum"> 1770 </span> : #endif</a>
|
|
<a name="1771"><span class="lineNum"> 1771 </span> : </a>
|
|
<a name="1772"><span class="lineNum"> 1772 </span> : /* Housekeeping in the border cases. */</a>
|
|
<a name="1773"><span class="lineNum"> 1773 </span> : if (p == coproc_list.head)</a>
|
|
<a name="1774"><span class="lineNum"> 1774 </span> : coproc_list.head = coproc_list.head->next;</a>
|
|
<a name="1775"><span class="lineNum"> 1775 </span> : else if (p == coproc_list.tail)</a>
|
|
<a name="1776"><span class="lineNum"> 1776 </span> : coproc_list.tail = prev;</a>
|
|
<a name="1777"><span class="lineNum"> 1777 </span> : </a>
|
|
<a name="1778"><span class="lineNum"> 1778 </span> : coproc_list.ncoproc--;</a>
|
|
<a name="1779"><span class="lineNum"> 1779 </span> : if (coproc_list.ncoproc == 0)</a>
|
|
<a name="1780"><span class="lineNum"> 1780 </span> : coproc_list.head = coproc_list.tail = 0;</a>
|
|
<a name="1781"><span class="lineNum"> 1781 </span> : else if (coproc_list.ncoproc == 1)</a>
|
|
<a name="1782"><span class="lineNum"> 1782 </span> : coproc_list.tail = coproc_list.head; /* just to make sure */</a>
|
|
<a name="1783"><span class="lineNum"> 1783 </span> : </a>
|
|
<a name="1784"><span class="lineNum"> 1784 </span> : return (p);</a>
|
|
<a name="1785"><span class="lineNum"> 1785 </span> : }</a>
|
|
<a name="1786"><span class="lineNum"> 1786 </span> : </a>
|
|
<a name="1787"><span class="lineNum"> 1787 </span> : static void</a>
|
|
<a name="1788"><span class="lineNum"> 1788 </span> : cpl_reap ()</a>
|
|
<a name="1789"><span class="lineNum"> 1789 </span> : {</a>
|
|
<a name="1790"><span class="lineNum"> 1790 </span> : struct cpelement *p, *next, *nh, *nt;</a>
|
|
<a name="1791"><span class="lineNum"> 1791 </span> : </a>
|
|
<a name="1792"><span class="lineNum"> 1792 </span> : /* Build a new list by removing dead coprocs and fix up the coproc_list</a>
|
|
<a name="1793"><span class="lineNum"> 1793 </span> : pointers when done. */</a>
|
|
<a name="1794"><span class="lineNum"> 1794 </span> : nh = nt = next = (struct cpelement *)0;</a>
|
|
<a name="1795"><span class="lineNum"> 1795 </span> : for (p = coproc_list.head; p; p = next)</a>
|
|
<a name="1796"><span class="lineNum"> 1796 </span> : {</a>
|
|
<a name="1797"><span class="lineNum"> 1797 </span> : next = p->next;</a>
|
|
<a name="1798"><span class="lineNum"> 1798 </span> : if (p->coproc->c_flags & COPROC_DEAD)</a>
|
|
<a name="1799"><span class="lineNum"> 1799 </span> : {</a>
|
|
<a name="1800"><span class="lineNum"> 1800 </span> : coproc_list.ncoproc--; /* keep running count, fix up pointers later */</a>
|
|
<a name="1801"><span class="lineNum"> 1801 </span> : </a>
|
|
<a name="1802"><span class="lineNum"> 1802 </span> : #if defined (DEBUG)</a>
|
|
<a name="1803"><span class="lineNum"> 1803 </span> : itrace("cpl_reap: deleting %d", p->coproc->c_pid);</a>
|
|
<a name="1804"><span class="lineNum"> 1804 </span> : #endif</a>
|
|
<a name="1805"><span class="lineNum"> 1805 </span> : </a>
|
|
<a name="1806"><span class="lineNum"> 1806 </span> : coproc_dispose (p->coproc);</a>
|
|
<a name="1807"><span class="lineNum"> 1807 </span> : cpe_dispose (p);</a>
|
|
<a name="1808"><span class="lineNum"> 1808 </span> : }</a>
|
|
<a name="1809"><span class="lineNum"> 1809 </span> : else if (nh == 0)</a>
|
|
<a name="1810"><span class="lineNum"> 1810 </span> : nh = nt = p;</a>
|
|
<a name="1811"><span class="lineNum"> 1811 </span> : else</a>
|
|
<a name="1812"><span class="lineNum"> 1812 </span> : {</a>
|
|
<a name="1813"><span class="lineNum"> 1813 </span> : nt->next = p;</a>
|
|
<a name="1814"><span class="lineNum"> 1814 </span> : nt = nt->next;</a>
|
|
<a name="1815"><span class="lineNum"> 1815 </span> : }</a>
|
|
<a name="1816"><span class="lineNum"> 1816 </span> : }</a>
|
|
<a name="1817"><span class="lineNum"> 1817 </span> : </a>
|
|
<a name="1818"><span class="lineNum"> 1818 </span> : if (coproc_list.ncoproc == 0)</a>
|
|
<a name="1819"><span class="lineNum"> 1819 </span> : coproc_list.head = coproc_list.tail = 0;</a>
|
|
<a name="1820"><span class="lineNum"> 1820 </span> : else</a>
|
|
<a name="1821"><span class="lineNum"> 1821 </span> : {</a>
|
|
<a name="1822"><span class="lineNum"> 1822 </span> : if (nt)</a>
|
|
<a name="1823"><span class="lineNum"> 1823 </span> : nt->next = 0;</a>
|
|
<a name="1824"><span class="lineNum"> 1824 </span> : coproc_list.head = nh;</a>
|
|
<a name="1825"><span class="lineNum"> 1825 </span> : coproc_list.tail = nt;</a>
|
|
<a name="1826"><span class="lineNum"> 1826 </span> : if (coproc_list.ncoproc == 1)</a>
|
|
<a name="1827"><span class="lineNum"> 1827 </span> : coproc_list.tail = coproc_list.head; /* just to make sure */ </a>
|
|
<a name="1828"><span class="lineNum"> 1828 </span> : }</a>
|
|
<a name="1829"><span class="lineNum"> 1829 </span> : }</a>
|
|
<a name="1830"><span class="lineNum"> 1830 </span> : </a>
|
|
<a name="1831"><span class="lineNum"> 1831 </span> : /* Clear out the list of saved statuses */</a>
|
|
<a name="1832"><span class="lineNum"> 1832 </span> : static void</a>
|
|
<a name="1833"><span class="lineNum"> 1833 </span> : cpl_flush ()</a>
|
|
<a name="1834"><span class="lineNum"> 1834 </span> : {</a>
|
|
<a name="1835"><span class="lineNum"> 1835 </span> : struct cpelement *cpe, *p;</a>
|
|
<a name="1836"><span class="lineNum"> 1836 </span> : </a>
|
|
<a name="1837"><span class="lineNum"> 1837 </span> : for (cpe = coproc_list.head; cpe; )</a>
|
|
<a name="1838"><span class="lineNum"> 1838 </span> : {</a>
|
|
<a name="1839"><span class="lineNum"> 1839 </span> : p = cpe;</a>
|
|
<a name="1840"><span class="lineNum"> 1840 </span> : cpe = cpe->next;</a>
|
|
<a name="1841"><span class="lineNum"> 1841 </span> : </a>
|
|
<a name="1842"><span class="lineNum"> 1842 </span> : coproc_dispose (p->coproc);</a>
|
|
<a name="1843"><span class="lineNum"> 1843 </span> : cpe_dispose (p);</a>
|
|
<a name="1844"><span class="lineNum"> 1844 </span> : }</a>
|
|
<a name="1845"><span class="lineNum"> 1845 </span> : </a>
|
|
<a name="1846"><span class="lineNum"> 1846 </span> : coproc_list.head = coproc_list.tail = 0;</a>
|
|
<a name="1847"><span class="lineNum"> 1847 </span> : coproc_list.ncoproc = 0;</a>
|
|
<a name="1848"><span class="lineNum"> 1848 </span> : }</a>
|
|
<a name="1849"><span class="lineNum"> 1849 </span> : </a>
|
|
<a name="1850"><span class="lineNum"> 1850 </span> : static void</a>
|
|
<a name="1851"><span class="lineNum"> 1851 </span> : cpl_closeall ()</a>
|
|
<a name="1852"><span class="lineNum"> 1852 </span> : {</a>
|
|
<a name="1853"><span class="lineNum"> 1853 </span> : struct cpelement *cpe;</a>
|
|
<a name="1854"><span class="lineNum"> 1854 </span> : </a>
|
|
<a name="1855"><span class="lineNum"> 1855 </span> : for (cpe = coproc_list.head; cpe; cpe = cpe->next)</a>
|
|
<a name="1856"><span class="lineNum"> 1856 </span> : coproc_close (cpe->coproc);</a>
|
|
<a name="1857"><span class="lineNum"> 1857 </span> : }</a>
|
|
<a name="1858"><span class="lineNum"> 1858 </span> : </a>
|
|
<a name="1859"><span class="lineNum"> 1859 </span> : static void</a>
|
|
<a name="1860"><span class="lineNum"> 1860 </span> : cpl_fdchk (fd)</a>
|
|
<a name="1861"><span class="lineNum"> 1861 </span> : int fd;</a>
|
|
<a name="1862"><span class="lineNum"> 1862 </span> : {</a>
|
|
<a name="1863"><span class="lineNum"> 1863 </span> : struct cpelement *cpe;</a>
|
|
<a name="1864"><span class="lineNum"> 1864 </span> : </a>
|
|
<a name="1865"><span class="lineNum"> 1865 </span> : for (cpe = coproc_list.head; cpe; cpe = cpe->next)</a>
|
|
<a name="1866"><span class="lineNum"> 1866 </span> : coproc_checkfd (cpe->coproc, fd);</a>
|
|
<a name="1867"><span class="lineNum"> 1867 </span> : }</a>
|
|
<a name="1868"><span class="lineNum"> 1868 </span> : </a>
|
|
<a name="1869"><span class="lineNum"> 1869 </span> : /* Search for PID in the list of coprocs; return the cpelement struct if</a>
|
|
<a name="1870"><span class="lineNum"> 1870 </span> : found. If not found, return NULL. */</a>
|
|
<a name="1871"><span class="lineNum"> 1871 </span> : static struct cpelement *</a>
|
|
<a name="1872"><span class="lineNum"> 1872 </span> : cpl_search (pid)</a>
|
|
<a name="1873"><span class="lineNum"> 1873 </span> : pid_t pid;</a>
|
|
<a name="1874"><span class="lineNum"> 1874 </span> : {</a>
|
|
<a name="1875"><span class="lineNum"> 1875 </span> : struct cpelement *cpe;</a>
|
|
<a name="1876"><span class="lineNum"> 1876 </span> : </a>
|
|
<a name="1877"><span class="lineNum"> 1877 </span> : for (cpe = coproc_list.head ; cpe; cpe = cpe->next)</a>
|
|
<a name="1878"><span class="lineNum"> 1878 </span> : if (cpe->coproc->c_pid == pid)</a>
|
|
<a name="1879"><span class="lineNum"> 1879 </span> : return cpe;</a>
|
|
<a name="1880"><span class="lineNum"> 1880 </span> : return (struct cpelement *)NULL;</a>
|
|
<a name="1881"><span class="lineNum"> 1881 </span> : }</a>
|
|
<a name="1882"><span class="lineNum"> 1882 </span> : </a>
|
|
<a name="1883"><span class="lineNum"> 1883 </span> : /* Search for the coproc named NAME in the list of coprocs; return the</a>
|
|
<a name="1884"><span class="lineNum"> 1884 </span> : cpelement struct if found. If not found, return NULL. */</a>
|
|
<a name="1885"><span class="lineNum"> 1885 </span> : static struct cpelement *</a>
|
|
<a name="1886"><span class="lineNum"> 1886 </span> : cpl_searchbyname (name)</a>
|
|
<a name="1887"><span class="lineNum"> 1887 </span> : const char *name;</a>
|
|
<a name="1888"><span class="lineNum"> 1888 </span> : {</a>
|
|
<a name="1889"><span class="lineNum"> 1889 </span> : struct cpelement *cp;</a>
|
|
<a name="1890"><span class="lineNum"> 1890 </span> : </a>
|
|
<a name="1891"><span class="lineNum"> 1891 </span> : for (cp = coproc_list.head ; cp; cp = cp->next)</a>
|
|
<a name="1892"><span class="lineNum"> 1892 </span> : if (STREQ (cp->coproc->c_name, name))</a>
|
|
<a name="1893"><span class="lineNum"> 1893 </span> : return cp;</a>
|
|
<a name="1894"><span class="lineNum"> 1894 </span> : return (struct cpelement *)NULL;</a>
|
|
<a name="1895"><span class="lineNum"> 1895 </span> : }</a>
|
|
<a name="1896"><span class="lineNum"> 1896 </span> : #endif</a>
|
|
<a name="1897"><span class="lineNum"> 1897 </span> : </a>
|
|
<a name="1898"><span class="lineNum"> 1898 </span> : #if 0</a>
|
|
<a name="1899"><span class="lineNum"> 1899 </span> : static void</a>
|
|
<a name="1900"><span class="lineNum"> 1900 </span> : cpl_prune ()</a>
|
|
<a name="1901"><span class="lineNum"> 1901 </span> : {</a>
|
|
<a name="1902"><span class="lineNum"> 1902 </span> : struct cpelement *cp;</a>
|
|
<a name="1903"><span class="lineNum"> 1903 </span> : </a>
|
|
<a name="1904"><span class="lineNum"> 1904 </span> : while (coproc_list.head && coproc_list.ncoproc > COPROC_MAX)</a>
|
|
<a name="1905"><span class="lineNum"> 1905 </span> : {</a>
|
|
<a name="1906"><span class="lineNum"> 1906 </span> : cp = coproc_list.head;</a>
|
|
<a name="1907"><span class="lineNum"> 1907 </span> : coproc_list.head = coproc_list.head->next;</a>
|
|
<a name="1908"><span class="lineNum"> 1908 </span> : coproc_dispose (cp->coproc);</a>
|
|
<a name="1909"><span class="lineNum"> 1909 </span> : cpe_dispose (cp);</a>
|
|
<a name="1910"><span class="lineNum"> 1910 </span> : coproc_list.ncoproc--;</a>
|
|
<a name="1911"><span class="lineNum"> 1911 </span> : }</a>
|
|
<a name="1912"><span class="lineNum"> 1912 </span> : }</a>
|
|
<a name="1913"><span class="lineNum"> 1913 </span> : #endif</a>
|
|
<a name="1914"><span class="lineNum"> 1914 </span> : </a>
|
|
<a name="1915"><span class="lineNum"> 1915 </span> : /* These currently use a single global "shell coproc" but are written in a</a>
|
|
<a name="1916"><span class="lineNum"> 1916 </span> : way to not preclude additional coprocs later (using the list management</a>
|
|
<a name="1917"><span class="lineNum"> 1917 </span> : package above). */</a>
|
|
<a name="1918"><span class="lineNum"> 1918 </span> : </a>
|
|
<a name="1919"><span class="lineNum"> 1919 </span> : struct coproc *</a>
|
|
<a name="1920"><span class="lineNum"> 1920 </span><span class="lineNoCov"> 0 : getcoprocbypid (pid)</span></a>
|
|
<a name="1921"><span class="lineNum"> 1921 </span> : pid_t pid;</a>
|
|
<a name="1922"><span class="lineNum"> 1922 </span> : {</a>
|
|
<a name="1923"><span class="lineNum"> 1923 </span> : #if MULTIPLE_COPROCS</a>
|
|
<a name="1924"><span class="lineNum"> 1924 </span> : struct cpelement *p;</a>
|
|
<a name="1925"><span class="lineNum"> 1925 </span> : </a>
|
|
<a name="1926"><span class="lineNum"> 1926 </span> : p = cpl_search (pid);</a>
|
|
<a name="1927"><span class="lineNum"> 1927 </span> : return (p ? p->coproc : 0);</a>
|
|
<a name="1928"><span class="lineNum"> 1928 </span> : #else</a>
|
|
<a name="1929"><span class="lineNum"> 1929 </span><span class="lineNoCov"> 0 : return (pid == sh_coproc.c_pid ? &sh_coproc : 0);</span></a>
|
|
<a name="1930"><span class="lineNum"> 1930 </span> : #endif</a>
|
|
<a name="1931"><span class="lineNum"> 1931 </span> : }</a>
|
|
<a name="1932"><span class="lineNum"> 1932 </span> : </a>
|
|
<a name="1933"><span class="lineNum"> 1933 </span> : struct coproc *</a>
|
|
<a name="1934"><span class="lineNum"> 1934 </span><span class="lineNoCov"> 0 : getcoprocbyname (name)</span></a>
|
|
<a name="1935"><span class="lineNum"> 1935 </span> : const char *name;</a>
|
|
<a name="1936"><span class="lineNum"> 1936 </span> : {</a>
|
|
<a name="1937"><span class="lineNum"> 1937 </span> : #if MULTIPLE_COPROCS</a>
|
|
<a name="1938"><span class="lineNum"> 1938 </span> : struct cpelement *p;</a>
|
|
<a name="1939"><span class="lineNum"> 1939 </span> : </a>
|
|
<a name="1940"><span class="lineNum"> 1940 </span> : p = cpl_searchbyname (name);</a>
|
|
<a name="1941"><span class="lineNum"> 1941 </span> : return (p ? p->coproc : 0);</a>
|
|
<a name="1942"><span class="lineNum"> 1942 </span> : #else</a>
|
|
<a name="1943"><span class="lineNum"> 1943 </span><span class="lineNoCov"> 0 : return ((sh_coproc.c_name && STREQ (sh_coproc.c_name, name)) ? &sh_coproc : 0);</span></a>
|
|
<a name="1944"><span class="lineNum"> 1944 </span> : #endif</a>
|
|
<a name="1945"><span class="lineNum"> 1945 </span> : }</a>
|
|
<a name="1946"><span class="lineNum"> 1946 </span> : </a>
|
|
<a name="1947"><span class="lineNum"> 1947 </span> : void</a>
|
|
<a name="1948"><span class="lineNum"> 1948 </span><span class="lineNoCov"> 0 : coproc_init (cp)</span></a>
|
|
<a name="1949"><span class="lineNum"> 1949 </span> : struct coproc *cp;</a>
|
|
<a name="1950"><span class="lineNum"> 1950 </span> : {</a>
|
|
<a name="1951"><span class="lineNum"> 1951 </span><span class="lineCov"> 9542953 : cp->c_name = 0;</span></a>
|
|
<a name="1952"><span class="lineNum"> 1952 </span><span class="lineCov"> 9542953 : cp->c_pid = NO_PID;</span></a>
|
|
<a name="1953"><span class="lineNum"> 1953 </span><span class="lineCov"> 9542953 : cp->c_rfd = cp->c_wfd = -1;</span></a>
|
|
<a name="1954"><span class="lineNum"> 1954 </span><span class="lineCov"> 9542953 : cp->c_rsave = cp->c_wsave = -1;</span></a>
|
|
<a name="1955"><span class="lineNum"> 1955 </span><span class="lineCov"> 9542953 : cp->c_flags = cp->c_status = cp->c_lock = 0;</span></a>
|
|
<a name="1956"><span class="lineNum"> 1956 </span><span class="lineNoCov"> 0 : }</span></a>
|
|
<a name="1957"><span class="lineNum"> 1957 </span> : </a>
|
|
<a name="1958"><span class="lineNum"> 1958 </span> : struct coproc *</a>
|
|
<a name="1959"><span class="lineNum"> 1959 </span><span class="lineNoCov"> 0 : coproc_alloc (name, pid)</span></a>
|
|
<a name="1960"><span class="lineNum"> 1960 </span> : char *name;</a>
|
|
<a name="1961"><span class="lineNum"> 1961 </span> : pid_t pid;</a>
|
|
<a name="1962"><span class="lineNum"> 1962 </span> : {</a>
|
|
<a name="1963"><span class="lineNum"> 1963 </span><span class="lineNoCov"> 0 : struct coproc *cp;</span></a>
|
|
<a name="1964"><span class="lineNum"> 1964 </span> : </a>
|
|
<a name="1965"><span class="lineNum"> 1965 </span> : #if MULTIPLE_COPROCS</a>
|
|
<a name="1966"><span class="lineNum"> 1966 </span> : cp = (struct coproc *)xmalloc (sizeof (struct coproc));</a>
|
|
<a name="1967"><span class="lineNum"> 1967 </span> : #else</a>
|
|
<a name="1968"><span class="lineNum"> 1968 </span><span class="lineNoCov"> 0 : cp = &sh_coproc;</span></a>
|
|
<a name="1969"><span class="lineNum"> 1969 </span> : #endif</a>
|
|
<a name="1970"><span class="lineNum"> 1970 </span><span class="lineNoCov"> 0 : coproc_init (cp);</span></a>
|
|
<a name="1971"><span class="lineNum"> 1971 </span><span class="lineNoCov"> 0 : cp->c_lock = 2;</span></a>
|
|
<a name="1972"><span class="lineNum"> 1972 </span> : </a>
|
|
<a name="1973"><span class="lineNum"> 1973 </span><span class="lineNoCov"> 0 : cp->c_pid = pid;</span></a>
|
|
<a name="1974"><span class="lineNum"> 1974 </span><span class="lineNoCov"> 0 : cp->c_name = savestring (name);</span></a>
|
|
<a name="1975"><span class="lineNum"> 1975 </span> : #if MULTIPLE_COPROCS</a>
|
|
<a name="1976"><span class="lineNum"> 1976 </span> : cpl_add (cp);</a>
|
|
<a name="1977"><span class="lineNum"> 1977 </span> : #endif</a>
|
|
<a name="1978"><span class="lineNum"> 1978 </span><span class="lineNoCov"> 0 : cp->c_lock = 0;</span></a>
|
|
<a name="1979"><span class="lineNum"> 1979 </span><span class="lineNoCov"> 0 : return (cp);</span></a>
|
|
<a name="1980"><span class="lineNum"> 1980 </span> : }</a>
|
|
<a name="1981"><span class="lineNum"> 1981 </span> : </a>
|
|
<a name="1982"><span class="lineNum"> 1982 </span> : #if MULTIPLE_COPROCS</a>
|
|
<a name="1983"><span class="lineNum"> 1983 </span> : static void</a>
|
|
<a name="1984"><span class="lineNum"> 1984 </span> : coproc_free (cp)</a>
|
|
<a name="1985"><span class="lineNum"> 1985 </span> : struct coproc *cp;</a>
|
|
<a name="1986"><span class="lineNum"> 1986 </span> : {</a>
|
|
<a name="1987"><span class="lineNum"> 1987 </span> : free (cp);</a>
|
|
<a name="1988"><span class="lineNum"> 1988 </span> : }</a>
|
|
<a name="1989"><span class="lineNum"> 1989 </span> : #endif</a>
|
|
<a name="1990"><span class="lineNum"> 1990 </span> : </a>
|
|
<a name="1991"><span class="lineNum"> 1991 </span> : void</a>
|
|
<a name="1992"><span class="lineNum"> 1992 </span><span class="lineCov"> 9542953 : coproc_dispose (cp)</span></a>
|
|
<a name="1993"><span class="lineNum"> 1993 </span> : struct coproc *cp;</a>
|
|
<a name="1994"><span class="lineNum"> 1994 </span> : {</a>
|
|
<a name="1995"><span class="lineNum"> 1995 </span><span class="lineCov"> 9542953 : sigset_t set, oset;</span></a>
|
|
<a name="1996"><span class="lineNum"> 1996 </span> : </a>
|
|
<a name="1997"><span class="lineNum"> 1997 </span><span class="lineCov"> 9542953 : if (cp == 0)</span></a>
|
|
<a name="1998"><span class="lineNum"> 1998 </span><span class="lineNoCov"> 0 : return;</span></a>
|
|
<a name="1999"><span class="lineNum"> 1999 </span> : </a>
|
|
<a name="2000"><span class="lineNum"> 2000 </span><span class="lineCov"> 9542953 : BLOCK_SIGNAL (SIGCHLD, set, oset);</span></a>
|
|
<a name="2001"><span class="lineNum"> 2001 </span><span class="lineCov"> 9542953 : cp->c_lock = 3;</span></a>
|
|
<a name="2002"><span class="lineNum"> 2002 </span><span class="lineCov"> 9542953 : coproc_unsetvars (cp);</span></a>
|
|
<a name="2003"><span class="lineNum"> 2003 </span><span class="lineCov"> 9542953 : FREE (cp->c_name);</span></a>
|
|
<a name="2004"><span class="lineNum"> 2004 </span><span class="lineCov"> 9542953 : coproc_close (cp);</span></a>
|
|
<a name="2005"><span class="lineNum"> 2005 </span> : #if MULTIPLE_COPROCS</a>
|
|
<a name="2006"><span class="lineNum"> 2006 </span> : coproc_free (cp);</a>
|
|
<a name="2007"><span class="lineNum"> 2007 </span> : #else</a>
|
|
<a name="2008"><span class="lineNum"> 2008 </span><span class="lineCov"> 19085906 : coproc_init (cp);</span></a>
|
|
<a name="2009"><span class="lineNum"> 2009 </span><span class="lineCov"> 9542953 : cp->c_lock = 0;</span></a>
|
|
<a name="2010"><span class="lineNum"> 2010 </span> : #endif</a>
|
|
<a name="2011"><span class="lineNum"> 2011 </span><span class="lineCov"> 9542953 : UNBLOCK_SIGNAL (oset);</span></a>
|
|
<a name="2012"><span class="lineNum"> 2012 </span> : }</a>
|
|
<a name="2013"><span class="lineNum"> 2013 </span> : </a>
|
|
<a name="2014"><span class="lineNum"> 2014 </span> : /* Placeholder for now. Will require changes for multiple coprocs */</a>
|
|
<a name="2015"><span class="lineNum"> 2015 </span> : void</a>
|
|
<a name="2016"><span class="lineNum"> 2016 </span><span class="lineCov"> 9542953 : coproc_flush ()</span></a>
|
|
<a name="2017"><span class="lineNum"> 2017 </span> : {</a>
|
|
<a name="2018"><span class="lineNum"> 2018 </span> : #if MULTIPLE_COPROCS</a>
|
|
<a name="2019"><span class="lineNum"> 2019 </span> : cpl_flush ();</a>
|
|
<a name="2020"><span class="lineNum"> 2020 </span> : #else</a>
|
|
<a name="2021"><span class="lineNum"> 2021 </span><span class="lineCov"> 9542953 : coproc_dispose (&sh_coproc);</span></a>
|
|
<a name="2022"><span class="lineNum"> 2022 </span> : #endif</a>
|
|
<a name="2023"><span class="lineNum"> 2023 </span><span class="lineCov"> 9542953 : }</span></a>
|
|
<a name="2024"><span class="lineNum"> 2024 </span> : </a>
|
|
<a name="2025"><span class="lineNum"> 2025 </span> : void</a>
|
|
<a name="2026"><span class="lineNum"> 2026 </span><span class="lineCov"> 9608293 : coproc_close (cp)</span></a>
|
|
<a name="2027"><span class="lineNum"> 2027 </span> : struct coproc *cp;</a>
|
|
<a name="2028"><span class="lineNum"> 2028 </span> : {</a>
|
|
<a name="2029"><span class="lineNum"> 2029 </span><span class="lineCov"> 9608293 : if (cp->c_rfd >= 0)</span></a>
|
|
<a name="2030"><span class="lineNum"> 2030 </span> : {</a>
|
|
<a name="2031"><span class="lineNum"> 2031 </span><span class="lineNoCov"> 0 : close (cp->c_rfd);</span></a>
|
|
<a name="2032"><span class="lineNum"> 2032 </span><span class="lineNoCov"> 0 : cp->c_rfd = -1;</span></a>
|
|
<a name="2033"><span class="lineNum"> 2033 </span> : }</a>
|
|
<a name="2034"><span class="lineNum"> 2034 </span><span class="lineCov"> 9608293 : if (cp->c_wfd >= 0)</span></a>
|
|
<a name="2035"><span class="lineNum"> 2035 </span> : {</a>
|
|
<a name="2036"><span class="lineNum"> 2036 </span><span class="lineNoCov"> 0 : close (cp->c_wfd);</span></a>
|
|
<a name="2037"><span class="lineNum"> 2037 </span><span class="lineNoCov"> 0 : cp->c_wfd = -1;</span></a>
|
|
<a name="2038"><span class="lineNum"> 2038 </span> : }</a>
|
|
<a name="2039"><span class="lineNum"> 2039 </span><span class="lineCov"> 9608293 : cp->c_rsave = cp->c_wsave = -1;</span></a>
|
|
<a name="2040"><span class="lineNum"> 2040 </span><span class="lineCov"> 9608293 : }</span></a>
|
|
<a name="2041"><span class="lineNum"> 2041 </span> : </a>
|
|
<a name="2042"><span class="lineNum"> 2042 </span> : void</a>
|
|
<a name="2043"><span class="lineNum"> 2043 </span><span class="lineNoCov"> 0 : coproc_closeall ()</span></a>
|
|
<a name="2044"><span class="lineNum"> 2044 </span> : {</a>
|
|
<a name="2045"><span class="lineNum"> 2045 </span> : #if MULTIPLE_COPROCS</a>
|
|
<a name="2046"><span class="lineNum"> 2046 </span> : cpl_closeall ();</a>
|
|
<a name="2047"><span class="lineNum"> 2047 </span> : #else</a>
|
|
<a name="2048"><span class="lineNum"> 2048 </span><span class="lineCov"> 3601 : coproc_close (&sh_coproc); /* XXX - will require changes for multiple coprocs */</span></a>
|
|
<a name="2049"><span class="lineNum"> 2049 </span> : #endif</a>
|
|
<a name="2050"><span class="lineNum"> 2050 </span><span class="lineNoCov"> 0 : }</span></a>
|
|
<a name="2051"><span class="lineNum"> 2051 </span> : </a>
|
|
<a name="2052"><span class="lineNum"> 2052 </span> : void</a>
|
|
<a name="2053"><span class="lineNum"> 2053 </span><span class="lineCov"> 40533220 : coproc_reap ()</span></a>
|
|
<a name="2054"><span class="lineNum"> 2054 </span> : {</a>
|
|
<a name="2055"><span class="lineNum"> 2055 </span> : #if MULTIPLE_COPROCS</a>
|
|
<a name="2056"><span class="lineNum"> 2056 </span> : cpl_reap ();</a>
|
|
<a name="2057"><span class="lineNum"> 2057 </span> : #else</a>
|
|
<a name="2058"><span class="lineNum"> 2058 </span><span class="lineCov"> 40533220 : struct coproc *cp;</span></a>
|
|
<a name="2059"><span class="lineNum"> 2059 </span> : </a>
|
|
<a name="2060"><span class="lineNum"> 2060 </span><span class="lineCov"> 40533220 : cp = &sh_coproc; /* XXX - will require changes for multiple coprocs */</span></a>
|
|
<a name="2061"><span class="lineNum"> 2061 </span><span class="lineCov"> 40533220 : if (cp && (cp->c_flags & COPROC_DEAD))</span></a>
|
|
<a name="2062"><span class="lineNum"> 2062 </span><span class="lineNoCov"> 0 : coproc_dispose (cp);</span></a>
|
|
<a name="2063"><span class="lineNum"> 2063 </span> : #endif</a>
|
|
<a name="2064"><span class="lineNum"> 2064 </span><span class="lineCov"> 40533220 : }</span></a>
|
|
<a name="2065"><span class="lineNum"> 2065 </span> : </a>
|
|
<a name="2066"><span class="lineNum"> 2066 </span> : void</a>
|
|
<a name="2067"><span class="lineNum"> 2067 </span><span class="lineNoCov"> 0 : coproc_rclose (cp, fd)</span></a>
|
|
<a name="2068"><span class="lineNum"> 2068 </span> : struct coproc *cp;</a>
|
|
<a name="2069"><span class="lineNum"> 2069 </span> : int fd;</a>
|
|
<a name="2070"><span class="lineNum"> 2070 </span> : {</a>
|
|
<a name="2071"><span class="lineNum"> 2071 </span><span class="lineNoCov"> 0 : if (cp->c_rfd >= 0 && cp->c_rfd == fd)</span></a>
|
|
<a name="2072"><span class="lineNum"> 2072 </span> : {</a>
|
|
<a name="2073"><span class="lineNum"> 2073 </span><span class="lineNoCov"> 0 : close (cp->c_rfd);</span></a>
|
|
<a name="2074"><span class="lineNum"> 2074 </span><span class="lineNoCov"> 0 : cp->c_rfd = -1;</span></a>
|
|
<a name="2075"><span class="lineNum"> 2075 </span> : }</a>
|
|
<a name="2076"><span class="lineNum"> 2076 </span><span class="lineNoCov"> 0 : }</span></a>
|
|
<a name="2077"><span class="lineNum"> 2077 </span> : </a>
|
|
<a name="2078"><span class="lineNum"> 2078 </span> : void</a>
|
|
<a name="2079"><span class="lineNum"> 2079 </span><span class="lineNoCov"> 0 : coproc_wclose (cp, fd)</span></a>
|
|
<a name="2080"><span class="lineNum"> 2080 </span> : struct coproc *cp;</a>
|
|
<a name="2081"><span class="lineNum"> 2081 </span> : int fd;</a>
|
|
<a name="2082"><span class="lineNum"> 2082 </span> : {</a>
|
|
<a name="2083"><span class="lineNum"> 2083 </span><span class="lineNoCov"> 0 : if (cp->c_wfd >= 0 && cp->c_wfd == fd)</span></a>
|
|
<a name="2084"><span class="lineNum"> 2084 </span> : {</a>
|
|
<a name="2085"><span class="lineNum"> 2085 </span><span class="lineNoCov"> 0 : close (cp->c_wfd);</span></a>
|
|
<a name="2086"><span class="lineNum"> 2086 </span><span class="lineNoCov"> 0 : cp->c_wfd = -1;</span></a>
|
|
<a name="2087"><span class="lineNum"> 2087 </span> : }</a>
|
|
<a name="2088"><span class="lineNum"> 2088 </span><span class="lineNoCov"> 0 : }</span></a>
|
|
<a name="2089"><span class="lineNum"> 2089 </span> : </a>
|
|
<a name="2090"><span class="lineNum"> 2090 </span> : void</a>
|
|
<a name="2091"><span class="lineNum"> 2091 </span><span class="lineCov"> 699 : coproc_checkfd (cp, fd)</span></a>
|
|
<a name="2092"><span class="lineNum"> 2092 </span> : struct coproc *cp;</a>
|
|
<a name="2093"><span class="lineNum"> 2093 </span> : int fd;</a>
|
|
<a name="2094"><span class="lineNum"> 2094 </span> : {</a>
|
|
<a name="2095"><span class="lineNum"> 2095 </span><span class="lineCov"> 699 : int update;</span></a>
|
|
<a name="2096"><span class="lineNum"> 2096 </span> : </a>
|
|
<a name="2097"><span class="lineNum"> 2097 </span><span class="lineCov"> 699 : update = 0;</span></a>
|
|
<a name="2098"><span class="lineNum"> 2098 </span><span class="lineCov"> 699 : if (cp->c_rfd >= 0 && cp->c_rfd == fd)</span></a>
|
|
<a name="2099"><span class="lineNum"> 2099 </span><span class="lineNoCov"> 0 : update = cp->c_rfd = -1;</span></a>
|
|
<a name="2100"><span class="lineNum"> 2100 </span><span class="lineCov"> 699 : if (cp->c_wfd >= 0 && cp->c_wfd == fd)</span></a>
|
|
<a name="2101"><span class="lineNum"> 2101 </span><span class="lineNoCov"> 0 : update = cp->c_wfd = -1;</span></a>
|
|
<a name="2102"><span class="lineNum"> 2102 </span><span class="lineCov"> 699 : if (update)</span></a>
|
|
<a name="2103"><span class="lineNum"> 2103 </span><span class="lineNoCov"> 0 : coproc_setvars (cp);</span></a>
|
|
<a name="2104"><span class="lineNum"> 2104 </span><span class="lineCov"> 699 : }</span></a>
|
|
<a name="2105"><span class="lineNum"> 2105 </span> : </a>
|
|
<a name="2106"><span class="lineNum"> 2106 </span> : void</a>
|
|
<a name="2107"><span class="lineNum"> 2107 </span><span class="lineCov"> 699 : coproc_fdchk (fd)</span></a>
|
|
<a name="2108"><span class="lineNum"> 2108 </span> : int fd;</a>
|
|
<a name="2109"><span class="lineNum"> 2109 </span> : {</a>
|
|
<a name="2110"><span class="lineNum"> 2110 </span> : #if MULTIPLE_COPROCS</a>
|
|
<a name="2111"><span class="lineNum"> 2111 </span> : cpl_fdchk (fd);</a>
|
|
<a name="2112"><span class="lineNum"> 2112 </span> : #else</a>
|
|
<a name="2113"><span class="lineNum"> 2113 </span><span class="lineCov"> 699 : coproc_checkfd (&sh_coproc, fd);</span></a>
|
|
<a name="2114"><span class="lineNum"> 2114 </span> : #endif</a>
|
|
<a name="2115"><span class="lineNum"> 2115 </span><span class="lineCov"> 699 : }</span></a>
|
|
<a name="2116"><span class="lineNum"> 2116 </span> : </a>
|
|
<a name="2117"><span class="lineNum"> 2117 </span> : void</a>
|
|
<a name="2118"><span class="lineNum"> 2118 </span><span class="lineNoCov"> 0 : coproc_fdclose (cp, fd)</span></a>
|
|
<a name="2119"><span class="lineNum"> 2119 </span> : struct coproc *cp;</a>
|
|
<a name="2120"><span class="lineNum"> 2120 </span> : int fd;</a>
|
|
<a name="2121"><span class="lineNum"> 2121 </span> : {</a>
|
|
<a name="2122"><span class="lineNum"> 2122 </span><span class="lineNoCov"> 0 : coproc_rclose (cp, fd);</span></a>
|
|
<a name="2123"><span class="lineNum"> 2123 </span><span class="lineNoCov"> 0 : coproc_wclose (cp, fd);</span></a>
|
|
<a name="2124"><span class="lineNum"> 2124 </span><span class="lineNoCov"> 0 : coproc_setvars (cp);</span></a>
|
|
<a name="2125"><span class="lineNum"> 2125 </span><span class="lineNoCov"> 0 : }</span></a>
|
|
<a name="2126"><span class="lineNum"> 2126 </span> : </a>
|
|
<a name="2127"><span class="lineNum"> 2127 </span> : void</a>
|
|
<a name="2128"><span class="lineNum"> 2128 </span><span class="lineNoCov"> 0 : coproc_fdsave (cp)</span></a>
|
|
<a name="2129"><span class="lineNum"> 2129 </span> : struct coproc *cp;</a>
|
|
<a name="2130"><span class="lineNum"> 2130 </span> : {</a>
|
|
<a name="2131"><span class="lineNum"> 2131 </span><span class="lineNoCov"> 0 : cp->c_rsave = cp->c_rfd;</span></a>
|
|
<a name="2132"><span class="lineNum"> 2132 </span><span class="lineNoCov"> 0 : cp->c_wsave = cp->c_wfd;</span></a>
|
|
<a name="2133"><span class="lineNum"> 2133 </span><span class="lineNoCov"> 0 : }</span></a>
|
|
<a name="2134"><span class="lineNum"> 2134 </span> : </a>
|
|
<a name="2135"><span class="lineNum"> 2135 </span> : void</a>
|
|
<a name="2136"><span class="lineNum"> 2136 </span><span class="lineNoCov"> 0 : coproc_fdrestore (cp)</span></a>
|
|
<a name="2137"><span class="lineNum"> 2137 </span> : struct coproc *cp;</a>
|
|
<a name="2138"><span class="lineNum"> 2138 </span> : {</a>
|
|
<a name="2139"><span class="lineNum"> 2139 </span><span class="lineNoCov"> 0 : cp->c_rfd = cp->c_rsave;</span></a>
|
|
<a name="2140"><span class="lineNum"> 2140 </span><span class="lineNoCov"> 0 : cp->c_wfd = cp->c_wsave;</span></a>
|
|
<a name="2141"><span class="lineNum"> 2141 </span><span class="lineNoCov"> 0 : }</span></a>
|
|
<a name="2142"><span class="lineNum"> 2142 </span> : </a>
|
|
<a name="2143"><span class="lineNum"> 2143 </span> : void</a>
|
|
<a name="2144"><span class="lineNum"> 2144 </span><span class="lineCov"> 9474290 : coproc_pidchk (pid, status)</span></a>
|
|
<a name="2145"><span class="lineNum"> 2145 </span> : pid_t pid;</a>
|
|
<a name="2146"><span class="lineNum"> 2146 </span> : int status;</a>
|
|
<a name="2147"><span class="lineNum"> 2147 </span> : {</a>
|
|
<a name="2148"><span class="lineNum"> 2148 </span><span class="lineCov"> 9474290 : struct coproc *cp;</span></a>
|
|
<a name="2149"><span class="lineNum"> 2149 </span> : </a>
|
|
<a name="2150"><span class="lineNum"> 2150 </span> : #if MULTIPLE_COPROCS</a>
|
|
<a name="2151"><span class="lineNum"> 2151 </span> : struct cpelement *cpe;</a>
|
|
<a name="2152"><span class="lineNum"> 2152 </span> : </a>
|
|
<a name="2153"><span class="lineNum"> 2153 </span> : cpe = cpl_delete (pid);</a>
|
|
<a name="2154"><span class="lineNum"> 2154 </span> : cp = cpe ? cpe->coproc : 0;</a>
|
|
<a name="2155"><span class="lineNum"> 2155 </span> : #else</a>
|
|
<a name="2156"><span class="lineNum"> 2156 </span><span class="lineCov"> 9474290 : cp = getcoprocbypid (pid);</span></a>
|
|
<a name="2157"><span class="lineNum"> 2157 </span> : #endif</a>
|
|
<a name="2158"><span class="lineNum"> 2158 </span><span class="lineNoCov"> 0 : if (cp)</span></a>
|
|
<a name="2159"><span class="lineNum"> 2159 </span> : {</a>
|
|
<a name="2160"><span class="lineNum"> 2160 </span><span class="lineNoCov"> 0 : cp->c_lock = 4;</span></a>
|
|
<a name="2161"><span class="lineNum"> 2161 </span><span class="lineNoCov"> 0 : cp->c_status = status;</span></a>
|
|
<a name="2162"><span class="lineNum"> 2162 </span><span class="lineNoCov"> 0 : cp->c_flags |= COPROC_DEAD;</span></a>
|
|
<a name="2163"><span class="lineNum"> 2163 </span><span class="lineNoCov"> 0 : cp->c_flags &= ~COPROC_RUNNING;</span></a>
|
|
<a name="2164"><span class="lineNum"> 2164 </span> : /* Don't dispose the coproc or unset the COPROC_XXX variables because</a>
|
|
<a name="2165"><span class="lineNum"> 2165 </span> : this is executed in a signal handler context. Wait until coproc_reap</a>
|
|
<a name="2166"><span class="lineNum"> 2166 </span> : takes care of it. */</a>
|
|
<a name="2167"><span class="lineNum"> 2167 </span><span class="lineNoCov"> 0 : cp->c_lock = 0;</span></a>
|
|
<a name="2168"><span class="lineNum"> 2168 </span> : }</a>
|
|
<a name="2169"><span class="lineNum"> 2169 </span><span class="lineCov"> 9474290 : }</span></a>
|
|
<a name="2170"><span class="lineNum"> 2170 </span> : </a>
|
|
<a name="2171"><span class="lineNum"> 2171 </span> : void</a>
|
|
<a name="2172"><span class="lineNum"> 2172 </span><span class="lineNoCov"> 0 : coproc_setvars (cp)</span></a>
|
|
<a name="2173"><span class="lineNum"> 2173 </span> : struct coproc *cp;</a>
|
|
<a name="2174"><span class="lineNum"> 2174 </span> : {</a>
|
|
<a name="2175"><span class="lineNum"> 2175 </span><span class="lineNoCov"> 0 : SHELL_VAR *v;</span></a>
|
|
<a name="2176"><span class="lineNum"> 2176 </span><span class="lineNoCov"> 0 : char *namevar, *t;</span></a>
|
|
<a name="2177"><span class="lineNum"> 2177 </span><span class="lineNoCov"> 0 : int l;</span></a>
|
|
<a name="2178"><span class="lineNum"> 2178 </span><span class="lineNoCov"> 0 : WORD_DESC w;</span></a>
|
|
<a name="2179"><span class="lineNum"> 2179 </span> : #if defined (ARRAY_VARS)</a>
|
|
<a name="2180"><span class="lineNum"> 2180 </span><span class="lineNoCov"> 0 : arrayind_t ind;</span></a>
|
|
<a name="2181"><span class="lineNum"> 2181 </span> : #endif</a>
|
|
<a name="2182"><span class="lineNum"> 2182 </span> : </a>
|
|
<a name="2183"><span class="lineNum"> 2183 </span><span class="lineNoCov"> 0 : if (cp->c_name == 0)</span></a>
|
|
<a name="2184"><span class="lineNum"> 2184 </span><span class="lineNoCov"> 0 : return;</span></a>
|
|
<a name="2185"><span class="lineNum"> 2185 </span> : </a>
|
|
<a name="2186"><span class="lineNum"> 2186 </span> : /* We could do more here but right now we only check the name, warn if it's</a>
|
|
<a name="2187"><span class="lineNum"> 2187 </span> : not a valid identifier, and refuse to create variables with invalid names</a>
|
|
<a name="2188"><span class="lineNum"> 2188 </span> : if a coproc with such a name is supplied. */</a>
|
|
<a name="2189"><span class="lineNum"> 2189 </span><span class="lineNoCov"> 0 : w.word = cp->c_name;</span></a>
|
|
<a name="2190"><span class="lineNum"> 2190 </span><span class="lineNoCov"> 0 : w.flags = 0;</span></a>
|
|
<a name="2191"><span class="lineNum"> 2191 </span><span class="lineNoCov"> 0 : if (check_identifier (&w, 1) == 0)</span></a>
|
|
<a name="2192"><span class="lineNum"> 2192 </span> : return;</a>
|
|
<a name="2193"><span class="lineNum"> 2193 </span> : </a>
|
|
<a name="2194"><span class="lineNum"> 2194 </span><span class="lineNoCov"> 0 : l = strlen (cp->c_name);</span></a>
|
|
<a name="2195"><span class="lineNum"> 2195 </span><span class="lineNoCov"> 0 : namevar = xmalloc (l + 16);</span></a>
|
|
<a name="2196"><span class="lineNum"> 2196 </span> : </a>
|
|
<a name="2197"><span class="lineNum"> 2197 </span> : #if defined (ARRAY_VARS)</a>
|
|
<a name="2198"><span class="lineNum"> 2198 </span><span class="lineNoCov"> 0 : v = find_variable (cp->c_name);</span></a>
|
|
<a name="2199"><span class="lineNum"> 2199 </span> : </a>
|
|
<a name="2200"><span class="lineNum"> 2200 </span> : /* This is the same code as in find_or_make_array_variable */</a>
|
|
<a name="2201"><span class="lineNum"> 2201 </span><span class="lineNoCov"> 0 : if (v == 0)</span></a>
|
|
<a name="2202"><span class="lineNum"> 2202 </span> : {</a>
|
|
<a name="2203"><span class="lineNum"> 2203 </span><span class="lineNoCov"> 0 : v = find_variable_nameref_for_create (cp->c_name, 1);</span></a>
|
|
<a name="2204"><span class="lineNum"> 2204 </span><span class="lineNoCov"> 0 : if (v == INVALID_NAMEREF_VALUE)</span></a>
|
|
<a name="2205"><span class="lineNum"> 2205 </span> : return;</a>
|
|
<a name="2206"><span class="lineNum"> 2206 </span><span class="lineNoCov"> 0 : if (v && nameref_p (v))</span></a>
|
|
<a name="2207"><span class="lineNum"> 2207 </span> : {</a>
|
|
<a name="2208"><span class="lineNum"> 2208 </span><span class="lineNoCov"> 0 : free (cp->c_name);</span></a>
|
|
<a name="2209"><span class="lineNum"> 2209 </span><span class="lineNoCov"> 0 : cp->c_name = savestring (nameref_cell (v));</span></a>
|
|
<a name="2210"><span class="lineNum"> 2210 </span><span class="lineNoCov"> 0 : v = make_new_array_variable (cp->c_name); </span></a>
|
|
<a name="2211"><span class="lineNum"> 2211 </span> : }</a>
|
|
<a name="2212"><span class="lineNum"> 2212 </span> : }</a>
|
|
<a name="2213"><span class="lineNum"> 2213 </span> : </a>
|
|
<a name="2214"><span class="lineNum"> 2214 </span><span class="lineNoCov"> 0 : if (v && (readonly_p (v) || noassign_p (v)))</span></a>
|
|
<a name="2215"><span class="lineNum"> 2215 </span> : {</a>
|
|
<a name="2216"><span class="lineNum"> 2216 </span><span class="lineNoCov"> 0 : if (readonly_p (v))</span></a>
|
|
<a name="2217"><span class="lineNum"> 2217 </span><span class="lineNoCov"> 0 : err_readonly (cp->c_name);</span></a>
|
|
<a name="2218"><span class="lineNum"> 2218 </span><span class="lineNoCov"> 0 : return;</span></a>
|
|
<a name="2219"><span class="lineNum"> 2219 </span> : }</a>
|
|
<a name="2220"><span class="lineNum"> 2220 </span><span class="lineNoCov"> 0 : if (v == 0)</span></a>
|
|
<a name="2221"><span class="lineNum"> 2221 </span><span class="lineNoCov"> 0 : v = make_new_array_variable (cp->c_name);</span></a>
|
|
<a name="2222"><span class="lineNum"> 2222 </span><span class="lineNoCov"> 0 : if (array_p (v) == 0)</span></a>
|
|
<a name="2223"><span class="lineNum"> 2223 </span><span class="lineNoCov"> 0 : v = convert_var_to_array (v);</span></a>
|
|
<a name="2224"><span class="lineNum"> 2224 </span> : </a>
|
|
<a name="2225"><span class="lineNum"> 2225 </span><span class="lineNoCov"> 0 : t = itos (cp->c_rfd);</span></a>
|
|
<a name="2226"><span class="lineNum"> 2226 </span><span class="lineNoCov"> 0 : ind = 0;</span></a>
|
|
<a name="2227"><span class="lineNum"> 2227 </span><span class="lineNoCov"> 0 : v = bind_array_variable (cp->c_name, ind, t, 0);</span></a>
|
|
<a name="2228"><span class="lineNum"> 2228 </span><span class="lineNoCov"> 0 : free (t);</span></a>
|
|
<a name="2229"><span class="lineNum"> 2229 </span> : </a>
|
|
<a name="2230"><span class="lineNum"> 2230 </span><span class="lineNoCov"> 0 : t = itos (cp->c_wfd);</span></a>
|
|
<a name="2231"><span class="lineNum"> 2231 </span><span class="lineNoCov"> 0 : ind = 1;</span></a>
|
|
<a name="2232"><span class="lineNum"> 2232 </span><span class="lineNoCov"> 0 : bind_array_variable (cp->c_name, ind, t, 0);</span></a>
|
|
<a name="2233"><span class="lineNum"> 2233 </span><span class="lineNoCov"> 0 : free (t);</span></a>
|
|
<a name="2234"><span class="lineNum"> 2234 </span> : #else</a>
|
|
<a name="2235"><span class="lineNum"> 2235 </span> : sprintf (namevar, "%s_READ", cp->c_name);</a>
|
|
<a name="2236"><span class="lineNum"> 2236 </span> : t = itos (cp->c_rfd);</a>
|
|
<a name="2237"><span class="lineNum"> 2237 </span> : bind_variable (namevar, t, 0);</a>
|
|
<a name="2238"><span class="lineNum"> 2238 </span> : free (t);</a>
|
|
<a name="2239"><span class="lineNum"> 2239 </span> : sprintf (namevar, "%s_WRITE", cp->c_name);</a>
|
|
<a name="2240"><span class="lineNum"> 2240 </span> : t = itos (cp->c_wfd);</a>
|
|
<a name="2241"><span class="lineNum"> 2241 </span> : bind_variable (namevar, t, 0);</a>
|
|
<a name="2242"><span class="lineNum"> 2242 </span> : free (t);</a>
|
|
<a name="2243"><span class="lineNum"> 2243 </span> : #endif</a>
|
|
<a name="2244"><span class="lineNum"> 2244 </span> : </a>
|
|
<a name="2245"><span class="lineNum"> 2245 </span><span class="lineNoCov"> 0 : sprintf (namevar, "%s_PID", cp->c_name);</span></a>
|
|
<a name="2246"><span class="lineNum"> 2246 </span><span class="lineNoCov"> 0 : t = itos (cp->c_pid);</span></a>
|
|
<a name="2247"><span class="lineNum"> 2247 </span><span class="lineNoCov"> 0 : bind_variable (namevar, t, 0);</span></a>
|
|
<a name="2248"><span class="lineNum"> 2248 </span><span class="lineNoCov"> 0 : free (t);</span></a>
|
|
<a name="2249"><span class="lineNum"> 2249 </span> : </a>
|
|
<a name="2250"><span class="lineNum"> 2250 </span><span class="lineNoCov"> 0 : free (namevar);</span></a>
|
|
<a name="2251"><span class="lineNum"> 2251 </span> : }</a>
|
|
<a name="2252"><span class="lineNum"> 2252 </span> : </a>
|
|
<a name="2253"><span class="lineNum"> 2253 </span> : void</a>
|
|
<a name="2254"><span class="lineNum"> 2254 </span><span class="lineCov"> 9542953 : coproc_unsetvars (cp)</span></a>
|
|
<a name="2255"><span class="lineNum"> 2255 </span> : struct coproc *cp;</a>
|
|
<a name="2256"><span class="lineNum"> 2256 </span> : {</a>
|
|
<a name="2257"><span class="lineNum"> 2257 </span><span class="lineCov"> 9542953 : int l;</span></a>
|
|
<a name="2258"><span class="lineNum"> 2258 </span><span class="lineCov"> 9542953 : char *namevar;</span></a>
|
|
<a name="2259"><span class="lineNum"> 2259 </span> : </a>
|
|
<a name="2260"><span class="lineNum"> 2260 </span><span class="lineCov"> 9542953 : if (cp->c_name == 0)</span></a>
|
|
<a name="2261"><span class="lineNum"> 2261 </span> : return;</a>
|
|
<a name="2262"><span class="lineNum"> 2262 </span> : </a>
|
|
<a name="2263"><span class="lineNum"> 2263 </span><span class="lineNoCov"> 0 : l = strlen (cp->c_name);</span></a>
|
|
<a name="2264"><span class="lineNum"> 2264 </span><span class="lineNoCov"> 0 : namevar = xmalloc (l + 16);</span></a>
|
|
<a name="2265"><span class="lineNum"> 2265 </span> : </a>
|
|
<a name="2266"><span class="lineNum"> 2266 </span><span class="lineNoCov"> 0 : sprintf (namevar, "%s_PID", cp->c_name);</span></a>
|
|
<a name="2267"><span class="lineNum"> 2267 </span><span class="lineNoCov"> 0 : unbind_variable_noref (namevar); </span></a>
|
|
<a name="2268"><span class="lineNum"> 2268 </span> : </a>
|
|
<a name="2269"><span class="lineNum"> 2269 </span> : #if defined (ARRAY_VARS)</a>
|
|
<a name="2270"><span class="lineNum"> 2270 </span><span class="lineNoCov"> 0 : check_unbind_variable (cp->c_name);</span></a>
|
|
<a name="2271"><span class="lineNum"> 2271 </span> : #else</a>
|
|
<a name="2272"><span class="lineNum"> 2272 </span> : sprintf (namevar, "%s_READ", cp->c_name);</a>
|
|
<a name="2273"><span class="lineNum"> 2273 </span> : unbind_variable (namevar);</a>
|
|
<a name="2274"><span class="lineNum"> 2274 </span> : sprintf (namevar, "%s_WRITE", cp->c_name);</a>
|
|
<a name="2275"><span class="lineNum"> 2275 </span> : unbind_variable (namevar);</a>
|
|
<a name="2276"><span class="lineNum"> 2276 </span> : #endif </a>
|
|
<a name="2277"><span class="lineNum"> 2277 </span> : </a>
|
|
<a name="2278"><span class="lineNum"> 2278 </span><span class="lineNoCov"> 0 : free (namevar);</span></a>
|
|
<a name="2279"><span class="lineNum"> 2279 </span> : }</a>
|
|
<a name="2280"><span class="lineNum"> 2280 </span> : </a>
|
|
<a name="2281"><span class="lineNum"> 2281 </span> : static int</a>
|
|
<a name="2282"><span class="lineNum"> 2282 </span><span class="lineNoCov"> 0 : execute_coproc (command, pipe_in, pipe_out, fds_to_close)</span></a>
|
|
<a name="2283"><span class="lineNum"> 2283 </span> : COMMAND *command;</a>
|
|
<a name="2284"><span class="lineNum"> 2284 </span> : int pipe_in, pipe_out;</a>
|
|
<a name="2285"><span class="lineNum"> 2285 </span> : struct fd_bitmap *fds_to_close;</a>
|
|
<a name="2286"><span class="lineNum"> 2286 </span> : {</a>
|
|
<a name="2287"><span class="lineNum"> 2287 </span><span class="lineNoCov"> 0 : int rpipe[2], wpipe[2], estat, invert;</span></a>
|
|
<a name="2288"><span class="lineNum"> 2288 </span><span class="lineNoCov"> 0 : pid_t coproc_pid;</span></a>
|
|
<a name="2289"><span class="lineNum"> 2289 </span><span class="lineNoCov"> 0 : Coproc *cp;</span></a>
|
|
<a name="2290"><span class="lineNum"> 2290 </span><span class="lineNoCov"> 0 : char *tcmd;</span></a>
|
|
<a name="2291"><span class="lineNum"> 2291 </span><span class="lineNoCov"> 0 : sigset_t set, oset;</span></a>
|
|
<a name="2292"><span class="lineNum"> 2292 </span> : </a>
|
|
<a name="2293"><span class="lineNum"> 2293 </span> : /* XXX -- can be removed after changes to handle multiple coprocs */</a>
|
|
<a name="2294"><span class="lineNum"> 2294 </span> : #if !MULTIPLE_COPROCS</a>
|
|
<a name="2295"><span class="lineNum"> 2295 </span><span class="lineNoCov"> 0 : if (sh_coproc.c_pid != NO_PID)</span></a>
|
|
<a name="2296"><span class="lineNum"> 2296 </span><span class="lineNoCov"> 0 : internal_warning (_("execute_coproc: coproc [%d:%s] still exists"), sh_coproc.c_pid, sh_coproc.c_name);</span></a>
|
|
<a name="2297"><span class="lineNum"> 2297 </span><span class="lineNoCov"> 0 : coproc_init (&sh_coproc);</span></a>
|
|
<a name="2298"><span class="lineNum"> 2298 </span> : #endif</a>
|
|
<a name="2299"><span class="lineNum"> 2299 </span> : </a>
|
|
<a name="2300"><span class="lineNum"> 2300 </span><span class="lineNoCov"> 0 : invert = (command->flags & CMD_INVERT_RETURN) != 0;</span></a>
|
|
<a name="2301"><span class="lineNum"> 2301 </span><span class="lineNoCov"> 0 : command_string_index = 0;</span></a>
|
|
<a name="2302"><span class="lineNum"> 2302 </span><span class="lineNoCov"> 0 : tcmd = make_command_string (command);</span></a>
|
|
<a name="2303"><span class="lineNum"> 2303 </span> : </a>
|
|
<a name="2304"><span class="lineNum"> 2304 </span><span class="lineNoCov"> 0 : sh_openpipe ((int *)&rpipe); /* 0 = parent read, 1 = child write */</span></a>
|
|
<a name="2305"><span class="lineNum"> 2305 </span><span class="lineNoCov"> 0 : sh_openpipe ((int *)&wpipe); /* 0 = child read, 1 = parent write */</span></a>
|
|
<a name="2306"><span class="lineNum"> 2306 </span> : </a>
|
|
<a name="2307"><span class="lineNum"> 2307 </span><span class="lineNoCov"> 0 : BLOCK_SIGNAL (SIGCHLD, set, oset);</span></a>
|
|
<a name="2308"><span class="lineNum"> 2308 </span> : </a>
|
|
<a name="2309"><span class="lineNum"> 2309 </span><span class="lineNoCov"> 0 : coproc_pid = make_child (savestring (tcmd), 1);</span></a>
|
|
<a name="2310"><span class="lineNum"> 2310 </span> : </a>
|
|
<a name="2311"><span class="lineNum"> 2311 </span><span class="lineNoCov"> 0 : if (coproc_pid == 0)</span></a>
|
|
<a name="2312"><span class="lineNum"> 2312 </span> : {</a>
|
|
<a name="2313"><span class="lineNum"> 2313 </span><span class="lineNoCov"> 0 : close (rpipe[0]);</span></a>
|
|
<a name="2314"><span class="lineNum"> 2314 </span><span class="lineNoCov"> 0 : close (wpipe[1]);</span></a>
|
|
<a name="2315"><span class="lineNum"> 2315 </span> : </a>
|
|
<a name="2316"><span class="lineNum"> 2316 </span><span class="lineNoCov"> 0 : UNBLOCK_SIGNAL (oset);</span></a>
|
|
<a name="2317"><span class="lineNum"> 2317 </span><span class="lineNoCov"> 0 : estat = execute_in_subshell (command, 1, wpipe[0], rpipe[1], fds_to_close);</span></a>
|
|
<a name="2318"><span class="lineNum"> 2318 </span> : </a>
|
|
<a name="2319"><span class="lineNum"> 2319 </span><span class="lineNoCov"> 0 : fflush (stdout);</span></a>
|
|
<a name="2320"><span class="lineNum"> 2320 </span><span class="lineNoCov"> 0 : fflush (stderr);</span></a>
|
|
<a name="2321"><span class="lineNum"> 2321 </span> : </a>
|
|
<a name="2322"><span class="lineNum"> 2322 </span><span class="lineNoCov"> 0 : exit (estat);</span></a>
|
|
<a name="2323"><span class="lineNum"> 2323 </span> : }</a>
|
|
<a name="2324"><span class="lineNum"> 2324 </span> : </a>
|
|
<a name="2325"><span class="lineNum"> 2325 </span><span class="lineNoCov"> 0 : close (rpipe[1]);</span></a>
|
|
<a name="2326"><span class="lineNum"> 2326 </span><span class="lineNoCov"> 0 : close (wpipe[0]);</span></a>
|
|
<a name="2327"><span class="lineNum"> 2327 </span> : </a>
|
|
<a name="2328"><span class="lineNum"> 2328 </span> : /* XXX - possibly run Coproc->name through word expansion? */</a>
|
|
<a name="2329"><span class="lineNum"> 2329 </span><span class="lineNoCov"> 0 : cp = coproc_alloc (command->value.Coproc->name, coproc_pid);</span></a>
|
|
<a name="2330"><span class="lineNum"> 2330 </span><span class="lineNoCov"> 0 : cp->c_rfd = rpipe[0];</span></a>
|
|
<a name="2331"><span class="lineNum"> 2331 </span><span class="lineNoCov"> 0 : cp->c_wfd = wpipe[1];</span></a>
|
|
<a name="2332"><span class="lineNum"> 2332 </span> : </a>
|
|
<a name="2333"><span class="lineNum"> 2333 </span><span class="lineNoCov"> 0 : SET_CLOSE_ON_EXEC (cp->c_rfd);</span></a>
|
|
<a name="2334"><span class="lineNum"> 2334 </span><span class="lineNoCov"> 0 : SET_CLOSE_ON_EXEC (cp->c_wfd);</span></a>
|
|
<a name="2335"><span class="lineNum"> 2335 </span> : </a>
|
|
<a name="2336"><span class="lineNum"> 2336 </span><span class="lineNoCov"> 0 : coproc_setvars (cp);</span></a>
|
|
<a name="2337"><span class="lineNum"> 2337 </span> : </a>
|
|
<a name="2338"><span class="lineNum"> 2338 </span><span class="lineNoCov"> 0 : UNBLOCK_SIGNAL (oset);</span></a>
|
|
<a name="2339"><span class="lineNum"> 2339 </span> : </a>
|
|
<a name="2340"><span class="lineNum"> 2340 </span> : #if 0</a>
|
|
<a name="2341"><span class="lineNum"> 2341 </span> : itrace ("execute_coproc: [%d] %s", coproc_pid, the_printed_command);</a>
|
|
<a name="2342"><span class="lineNum"> 2342 </span> : #endif</a>
|
|
<a name="2343"><span class="lineNum"> 2343 </span> : </a>
|
|
<a name="2344"><span class="lineNum"> 2344 </span><span class="lineNoCov"> 0 : close_pipes (pipe_in, pipe_out);</span></a>
|
|
<a name="2345"><span class="lineNum"> 2345 </span> : #if defined (PROCESS_SUBSTITUTION) && defined (HAVE_DEV_FD)</a>
|
|
<a name="2346"><span class="lineNum"> 2346 </span><span class="lineNoCov"> 0 : unlink_fifo_list ();</span></a>
|
|
<a name="2347"><span class="lineNum"> 2347 </span> : #endif</a>
|
|
<a name="2348"><span class="lineNum"> 2348 </span><span class="lineNoCov"> 0 : stop_pipeline (1, (COMMAND *)NULL);</span></a>
|
|
<a name="2349"><span class="lineNum"> 2349 </span><span class="lineNoCov"> 0 : DESCRIBE_PID (coproc_pid);</span></a>
|
|
<a name="2350"><span class="lineNum"> 2350 </span><span class="lineNoCov"> 0 : run_pending_traps ();</span></a>
|
|
<a name="2351"><span class="lineNum"> 2351 </span> : </a>
|
|
<a name="2352"><span class="lineNum"> 2352 </span><span class="lineNoCov"> 0 : return (invert ? EXECUTION_FAILURE : EXECUTION_SUCCESS);</span></a>
|
|
<a name="2353"><span class="lineNum"> 2353 </span> : }</a>
|
|
<a name="2354"><span class="lineNum"> 2354 </span> : #endif</a>
|
|
<a name="2355"><span class="lineNum"> 2355 </span> : </a>
|
|
<a name="2356"><span class="lineNum"> 2356 </span> : static void</a>
|
|
<a name="2357"><span class="lineNum"> 2357 </span><span class="lineNoCov"> 0 : restore_stdin (s)</span></a>
|
|
<a name="2358"><span class="lineNum"> 2358 </span> : int s;</a>
|
|
<a name="2359"><span class="lineNum"> 2359 </span> : {</a>
|
|
<a name="2360"><span class="lineNum"> 2360 </span><span class="lineNoCov"> 0 : dup2 (s, 0);</span></a>
|
|
<a name="2361"><span class="lineNum"> 2361 </span><span class="lineNoCov"> 0 : close (s);</span></a>
|
|
<a name="2362"><span class="lineNum"> 2362 </span><span class="lineNoCov"> 0 : }</span></a>
|
|
<a name="2363"><span class="lineNum"> 2363 </span> : </a>
|
|
<a name="2364"><span class="lineNum"> 2364 </span> : /* Catch-all cleanup function for lastpipe code for unwind-protects */</a>
|
|
<a name="2365"><span class="lineNum"> 2365 </span> : static void</a>
|
|
<a name="2366"><span class="lineNum"> 2366 </span><span class="lineNoCov"> 0 : lastpipe_cleanup (s)</span></a>
|
|
<a name="2367"><span class="lineNum"> 2367 </span> : int s;</a>
|
|
<a name="2368"><span class="lineNum"> 2368 </span> : {</a>
|
|
<a name="2369"><span class="lineNum"> 2369 </span><span class="lineNoCov"> 0 : unfreeze_jobs_list ();</span></a>
|
|
<a name="2370"><span class="lineNum"> 2370 </span><span class="lineNoCov"> 0 : }</span></a>
|
|
<a name="2371"><span class="lineNum"> 2371 </span> : </a>
|
|
<a name="2372"><span class="lineNum"> 2372 </span> : static int</a>
|
|
<a name="2373"><span class="lineNum"> 2373 </span><span class="lineCov"> 23190 : execute_pipeline (command, asynchronous, pipe_in, pipe_out, fds_to_close)</span></a>
|
|
<a name="2374"><span class="lineNum"> 2374 </span> : COMMAND *command;</a>
|
|
<a name="2375"><span class="lineNum"> 2375 </span> : int asynchronous, pipe_in, pipe_out;</a>
|
|
<a name="2376"><span class="lineNum"> 2376 </span> : struct fd_bitmap *fds_to_close;</a>
|
|
<a name="2377"><span class="lineNum"> 2377 </span> : {</a>
|
|
<a name="2378"><span class="lineNum"> 2378 </span><span class="lineCov"> 23190 : int prev, fildes[2], new_bitmap_size, dummyfd, ignore_return, exec_result;</span></a>
|
|
<a name="2379"><span class="lineNum"> 2379 </span><span class="lineCov"> 23190 : int lstdin, lastpipe_flag, lastpipe_jid;</span></a>
|
|
<a name="2380"><span class="lineNum"> 2380 </span><span class="lineCov"> 23190 : COMMAND *cmd;</span></a>
|
|
<a name="2381"><span class="lineNum"> 2381 </span><span class="lineCov"> 23190 : struct fd_bitmap *fd_bitmap;</span></a>
|
|
<a name="2382"><span class="lineNum"> 2382 </span><span class="lineCov"> 23190 : pid_t lastpid;</span></a>
|
|
<a name="2383"><span class="lineNum"> 2383 </span> : </a>
|
|
<a name="2384"><span class="lineNum"> 2384 </span> : #if defined (JOB_CONTROL)</a>
|
|
<a name="2385"><span class="lineNum"> 2385 </span><span class="lineCov"> 23190 : sigset_t set, oset;</span></a>
|
|
<a name="2386"><span class="lineNum"> 2386 </span><span class="lineCov"> 23190 : BLOCK_CHILD (set, oset);</span></a>
|
|
<a name="2387"><span class="lineNum"> 2387 </span> : #endif /* JOB_CONTROL */</a>
|
|
<a name="2388"><span class="lineNum"> 2388 </span> : </a>
|
|
<a name="2389"><span class="lineNum"> 2389 </span><span class="lineCov"> 23190 : ignore_return = (command->flags & CMD_IGNORE_RETURN) != 0;</span></a>
|
|
<a name="2390"><span class="lineNum"> 2390 </span> : </a>
|
|
<a name="2391"><span class="lineNum"> 2391 </span><span class="lineCov"> 23190 : prev = pipe_in;</span></a>
|
|
<a name="2392"><span class="lineNum"> 2392 </span><span class="lineCov"> 23190 : cmd = command;</span></a>
|
|
<a name="2393"><span class="lineNum"> 2393 </span> : </a>
|
|
<a name="2394"><span class="lineNum"> 2394 </span><span class="lineCov"> 53549 : while (cmd && cmd->type == cm_connection &&</span></a>
|
|
<a name="2395"><span class="lineNum"> 2395 </span><span class="lineCov"> 30359 : cmd->value.Connection && cmd->value.Connection->connector == '|')</span></a>
|
|
<a name="2396"><span class="lineNum"> 2396 </span> : {</a>
|
|
<a name="2397"><span class="lineNum"> 2397 </span> : /* Make a pipeline between the two commands. */</a>
|
|
<a name="2398"><span class="lineNum"> 2398 </span><span class="lineCov"> 30359 : if (pipe (fildes) < 0)</span></a>
|
|
<a name="2399"><span class="lineNum"> 2399 </span> : {</a>
|
|
<a name="2400"><span class="lineNum"> 2400 </span><span class="lineNoCov"> 0 : sys_error (_("pipe error"));</span></a>
|
|
<a name="2401"><span class="lineNum"> 2401 </span> : #if defined (JOB_CONTROL)</a>
|
|
<a name="2402"><span class="lineNum"> 2402 </span><span class="lineNoCov"> 0 : terminate_current_pipeline ();</span></a>
|
|
<a name="2403"><span class="lineNum"> 2403 </span><span class="lineNoCov"> 0 : kill_current_pipeline ();</span></a>
|
|
<a name="2404"><span class="lineNum"> 2404 </span><span class="lineNoCov"> 0 : UNBLOCK_CHILD (oset);</span></a>
|
|
<a name="2405"><span class="lineNum"> 2405 </span> : #endif /* JOB_CONTROL */</a>
|
|
<a name="2406"><span class="lineNum"> 2406 </span><span class="lineNoCov"> 0 : last_command_exit_value = EXECUTION_FAILURE;</span></a>
|
|
<a name="2407"><span class="lineNum"> 2407 </span> : /* The unwind-protects installed below will take care</a>
|
|
<a name="2408"><span class="lineNum"> 2408 </span> : of closing all of the open file descriptors. */</a>
|
|
<a name="2409"><span class="lineNum"> 2409 </span><span class="lineNoCov"> 0 : throw_to_top_level ();</span></a>
|
|
<a name="2410"><span class="lineNum"> 2410 </span><span class="lineNoCov"> 0 : return (EXECUTION_FAILURE); /* XXX */</span></a>
|
|
<a name="2411"><span class="lineNum"> 2411 </span> : }</a>
|
|
<a name="2412"><span class="lineNum"> 2412 </span> : </a>
|
|
<a name="2413"><span class="lineNum"> 2413 </span> : /* Here is a problem: with the new file close-on-exec</a>
|
|
<a name="2414"><span class="lineNum"> 2414 </span> : code, the read end of the pipe (fildes[0]) stays open</a>
|
|
<a name="2415"><span class="lineNum"> 2415 </span> : in the first process, so that process will never get a</a>
|
|
<a name="2416"><span class="lineNum"> 2416 </span> : SIGPIPE. There is no way to signal the first process</a>
|
|
<a name="2417"><span class="lineNum"> 2417 </span> : that it should close fildes[0] after forking, so it</a>
|
|
<a name="2418"><span class="lineNum"> 2418 </span> : remains open. No SIGPIPE is ever sent because there</a>
|
|
<a name="2419"><span class="lineNum"> 2419 </span> : is still a file descriptor open for reading connected</a>
|
|
<a name="2420"><span class="lineNum"> 2420 </span> : to the pipe. We take care of that here. This passes</a>
|
|
<a name="2421"><span class="lineNum"> 2421 </span> : around a bitmap of file descriptors that must be</a>
|
|
<a name="2422"><span class="lineNum"> 2422 </span> : closed after making a child process in execute_simple_command. */</a>
|
|
<a name="2423"><span class="lineNum"> 2423 </span> : </a>
|
|
<a name="2424"><span class="lineNum"> 2424 </span> : /* We need fd_bitmap to be at least as big as fildes[0].</a>
|
|
<a name="2425"><span class="lineNum"> 2425 </span> : If fildes[0] is less than fds_to_close->size, then</a>
|
|
<a name="2426"><span class="lineNum"> 2426 </span> : use fds_to_close->size. */</a>
|
|
<a name="2427"><span class="lineNum"> 2427 </span><span class="lineCov"> 60718 : new_bitmap_size = (fildes[0] < fds_to_close->size)</span></a>
|
|
<a name="2428"><span class="lineNum"> 2428 </span> : ? fds_to_close->size</a>
|
|
<a name="2429"><span class="lineNum"> 2429 </span><span class="lineCov"> 30359 : : fildes[0] + 8;</span></a>
|
|
<a name="2430"><span class="lineNum"> 2430 </span> : </a>
|
|
<a name="2431"><span class="lineNum"> 2431 </span><span class="lineCov"> 30359 : fd_bitmap = new_fd_bitmap (new_bitmap_size);</span></a>
|
|
<a name="2432"><span class="lineNum"> 2432 </span> : </a>
|
|
<a name="2433"><span class="lineNum"> 2433 </span> : /* Now copy the old information into the new bitmap. */</a>
|
|
<a name="2434"><span class="lineNum"> 2434 </span><span class="lineCov"> 30359 : xbcopy ((char *)fds_to_close->bitmap, (char *)fd_bitmap->bitmap, fds_to_close->size);</span></a>
|
|
<a name="2435"><span class="lineNum"> 2435 </span> : </a>
|
|
<a name="2436"><span class="lineNum"> 2436 </span> : /* And mark the pipe file descriptors to be closed. */</a>
|
|
<a name="2437"><span class="lineNum"> 2437 </span><span class="lineCov"> 30359 : fd_bitmap->bitmap[fildes[0]] = 1;</span></a>
|
|
<a name="2438"><span class="lineNum"> 2438 </span> : </a>
|
|
<a name="2439"><span class="lineNum"> 2439 </span> : /* In case there are pipe or out-of-processes errors, we</a>
|
|
<a name="2440"><span class="lineNum"> 2440 </span> : want all these file descriptors to be closed when</a>
|
|
<a name="2441"><span class="lineNum"> 2441 </span> : unwind-protects are run, and the storage used for the</a>
|
|
<a name="2442"><span class="lineNum"> 2442 </span> : bitmaps freed up. */</a>
|
|
<a name="2443"><span class="lineNum"> 2443 </span><span class="lineCov"> 30359 : begin_unwind_frame ("pipe-file-descriptors");</span></a>
|
|
<a name="2444"><span class="lineNum"> 2444 </span><span class="lineCov"> 30359 : add_unwind_protect (dispose_fd_bitmap, fd_bitmap);</span></a>
|
|
<a name="2445"><span class="lineNum"> 2445 </span><span class="lineCov"> 30359 : add_unwind_protect (close_fd_bitmap, fd_bitmap);</span></a>
|
|
<a name="2446"><span class="lineNum"> 2446 </span><span class="lineCov"> 30359 : if (prev >= 0)</span></a>
|
|
<a name="2447"><span class="lineNum"> 2447 </span><span class="lineCov"> 7169 : add_unwind_protect (close, prev);</span></a>
|
|
<a name="2448"><span class="lineNum"> 2448 </span><span class="lineCov"> 30359 : dummyfd = fildes[1];</span></a>
|
|
<a name="2449"><span class="lineNum"> 2449 </span><span class="lineCov"> 30359 : add_unwind_protect (close, dummyfd);</span></a>
|
|
<a name="2450"><span class="lineNum"> 2450 </span> : </a>
|
|
<a name="2451"><span class="lineNum"> 2451 </span> : #if defined (JOB_CONTROL)</a>
|
|
<a name="2452"><span class="lineNum"> 2452 </span><span class="lineCov"> 30359 : add_unwind_protect (restore_signal_mask, &oset);</span></a>
|
|
<a name="2453"><span class="lineNum"> 2453 </span> : #endif /* JOB_CONTROL */</a>
|
|
<a name="2454"><span class="lineNum"> 2454 </span> : </a>
|
|
<a name="2455"><span class="lineNum"> 2455 </span><span class="lineCov"> 30359 : if (ignore_return && cmd->value.Connection->first)</span></a>
|
|
<a name="2456"><span class="lineNum"> 2456 </span><span class="lineCov"> 446 : cmd->value.Connection->first->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="2457"><span class="lineNum"> 2457 </span><span class="lineCov"> 30359 : execute_command_internal (cmd->value.Connection->first, asynchronous,</span></a>
|
|
<a name="2458"><span class="lineNum"> 2458 </span> : prev, fildes[1], fd_bitmap);</a>
|
|
<a name="2459"><span class="lineNum"> 2459 </span> : </a>
|
|
<a name="2460"><span class="lineNum"> 2460 </span><span class="lineCov"> 30359 : if (prev >= 0)</span></a>
|
|
<a name="2461"><span class="lineNum"> 2461 </span><span class="lineCov"> 7169 : close (prev);</span></a>
|
|
<a name="2462"><span class="lineNum"> 2462 </span> : </a>
|
|
<a name="2463"><span class="lineNum"> 2463 </span><span class="lineCov"> 30359 : prev = fildes[0];</span></a>
|
|
<a name="2464"><span class="lineNum"> 2464 </span><span class="lineCov"> 30359 : close (fildes[1]);</span></a>
|
|
<a name="2465"><span class="lineNum"> 2465 </span> : </a>
|
|
<a name="2466"><span class="lineNum"> 2466 </span><span class="lineCov"> 30359 : dispose_fd_bitmap (fd_bitmap);</span></a>
|
|
<a name="2467"><span class="lineNum"> 2467 </span><span class="lineCov"> 30359 : discard_unwind_frame ("pipe-file-descriptors");</span></a>
|
|
<a name="2468"><span class="lineNum"> 2468 </span> : </a>
|
|
<a name="2469"><span class="lineNum"> 2469 </span><span class="lineCov"> 30359 : cmd = cmd->value.Connection->second;</span></a>
|
|
<a name="2470"><span class="lineNum"> 2470 </span> : }</a>
|
|
<a name="2471"><span class="lineNum"> 2471 </span> : </a>
|
|
<a name="2472"><span class="lineNum"> 2472 </span><span class="lineCov"> 23190 : lastpid = last_made_pid;</span></a>
|
|
<a name="2473"><span class="lineNum"> 2473 </span> : </a>
|
|
<a name="2474"><span class="lineNum"> 2474 </span> : /* Now execute the rightmost command in the pipeline. */</a>
|
|
<a name="2475"><span class="lineNum"> 2475 </span><span class="lineCov"> 23190 : if (ignore_return && cmd)</span></a>
|
|
<a name="2476"><span class="lineNum"> 2476 </span><span class="lineCov"> 298 : cmd->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="2477"><span class="lineNum"> 2477 </span> : </a>
|
|
<a name="2478"><span class="lineNum"> 2478 </span><span class="lineCov"> 23190 : lastpipe_flag = 0;</span></a>
|
|
<a name="2479"><span class="lineNum"> 2479 </span> : </a>
|
|
<a name="2480"><span class="lineNum"> 2480 </span><span class="lineCov"> 23190 : begin_unwind_frame ("lastpipe-exec");</span></a>
|
|
<a name="2481"><span class="lineNum"> 2481 </span><span class="lineCov"> 23190 : lstdin = -1;</span></a>
|
|
<a name="2482"><span class="lineNum"> 2482 </span> : /* If the `lastpipe' option is set with shopt, and job control is not</a>
|
|
<a name="2483"><span class="lineNum"> 2483 </span> : enabled, execute the last element of non-async pipelines in the</a>
|
|
<a name="2484"><span class="lineNum"> 2484 </span> : current shell environment. */</a>
|
|
<a name="2485"><span class="lineNum"> 2485 </span><span class="lineCov"> 23190 : if (lastpipe_opt && job_control == 0 && asynchronous == 0 && pipe_out == NO_PIPE && prev > 0)</span></a>
|
|
<a name="2486"><span class="lineNum"> 2486 </span> : {</a>
|
|
<a name="2487"><span class="lineNum"> 2487 </span><span class="lineNoCov"> 0 : lstdin = move_to_high_fd (0, 1, -1);</span></a>
|
|
<a name="2488"><span class="lineNum"> 2488 </span><span class="lineNoCov"> 0 : if (lstdin > 0)</span></a>
|
|
<a name="2489"><span class="lineNum"> 2489 </span> : {</a>
|
|
<a name="2490"><span class="lineNum"> 2490 </span><span class="lineNoCov"> 0 : do_piping (prev, pipe_out);</span></a>
|
|
<a name="2491"><span class="lineNum"> 2491 </span><span class="lineNoCov"> 0 : prev = NO_PIPE;</span></a>
|
|
<a name="2492"><span class="lineNum"> 2492 </span><span class="lineNoCov"> 0 : add_unwind_protect (restore_stdin, lstdin);</span></a>
|
|
<a name="2493"><span class="lineNum"> 2493 </span><span class="lineNoCov"> 0 : lastpipe_flag = 1;</span></a>
|
|
<a name="2494"><span class="lineNum"> 2494 </span><span class="lineNoCov"> 0 : freeze_jobs_list ();</span></a>
|
|
<a name="2495"><span class="lineNum"> 2495 </span><span class="lineNoCov"> 0 : lastpipe_jid = stop_pipeline (0, (COMMAND *)NULL); /* XXX */</span></a>
|
|
<a name="2496"><span class="lineNum"> 2496 </span><span class="lineNoCov"> 0 : add_unwind_protect (lastpipe_cleanup, lastpipe_jid);</span></a>
|
|
<a name="2497"><span class="lineNum"> 2497 </span> : }</a>
|
|
<a name="2498"><span class="lineNum"> 2498 </span><span class="lineNoCov"> 0 : if (cmd)</span></a>
|
|
<a name="2499"><span class="lineNum"> 2499 </span><span class="lineNoCov"> 0 : cmd->flags |= CMD_LASTPIPE;</span></a>
|
|
<a name="2500"><span class="lineNum"> 2500 </span> : } </a>
|
|
<a name="2501"><span class="lineNum"> 2501 </span><span class="lineCov"> 23190 : if (prev >= 0)</span></a>
|
|
<a name="2502"><span class="lineNum"> 2502 </span><span class="lineCov"> 23190 : add_unwind_protect (close, prev);</span></a>
|
|
<a name="2503"><span class="lineNum"> 2503 </span> : </a>
|
|
<a name="2504"><span class="lineNum"> 2504 </span><span class="lineCov"> 23190 : exec_result = execute_command_internal (cmd, asynchronous, prev, pipe_out, fds_to_close);</span></a>
|
|
<a name="2505"><span class="lineNum"> 2505 </span> : </a>
|
|
<a name="2506"><span class="lineNum"> 2506 </span><span class="lineCov"> 23187 : if (lstdin > 0)</span></a>
|
|
<a name="2507"><span class="lineNum"> 2507 </span><span class="lineNoCov"> 0 : restore_stdin (lstdin);</span></a>
|
|
<a name="2508"><span class="lineNum"> 2508 </span> : </a>
|
|
<a name="2509"><span class="lineNum"> 2509 </span><span class="lineCov"> 23187 : if (prev >= 0)</span></a>
|
|
<a name="2510"><span class="lineNum"> 2510 </span><span class="lineCov"> 23187 : close (prev);</span></a>
|
|
<a name="2511"><span class="lineNum"> 2511 </span> : </a>
|
|
<a name="2512"><span class="lineNum"> 2512 </span> : #if defined (JOB_CONTROL)</a>
|
|
<a name="2513"><span class="lineNum"> 2513 </span><span class="lineCov"> 23187 : UNBLOCK_CHILD (oset);</span></a>
|
|
<a name="2514"><span class="lineNum"> 2514 </span> : #endif</a>
|
|
<a name="2515"><span class="lineNum"> 2515 </span> : </a>
|
|
<a name="2516"><span class="lineNum"> 2516 </span><span class="lineCov"> 23187 : QUIT;</span></a>
|
|
<a name="2517"><span class="lineNum"> 2517 </span> : </a>
|
|
<a name="2518"><span class="lineNum"> 2518 </span><span class="lineCov"> 23187 : if (lastpipe_flag)</span></a>
|
|
<a name="2519"><span class="lineNum"> 2519 </span> : {</a>
|
|
<a name="2520"><span class="lineNum"> 2520 </span> : #if defined (JOB_CONTROL)</a>
|
|
<a name="2521"><span class="lineNum"> 2521 </span><span class="lineNoCov"> 0 : if (INVALID_JOB (lastpipe_jid) == 0)</span></a>
|
|
<a name="2522"><span class="lineNum"> 2522 </span> : {</a>
|
|
<a name="2523"><span class="lineNum"> 2523 </span><span class="lineNoCov"> 0 : append_process (savestring (the_printed_command_except_trap), dollar_dollar_pid, exec_result, lastpipe_jid);</span></a>
|
|
<a name="2524"><span class="lineNum"> 2524 </span><span class="lineNoCov"> 0 : lstdin = wait_for (lastpid);</span></a>
|
|
<a name="2525"><span class="lineNum"> 2525 </span> : }</a>
|
|
<a name="2526"><span class="lineNum"> 2526 </span> : else</a>
|
|
<a name="2527"><span class="lineNum"> 2527 </span><span class="lineNoCov"> 0 : lstdin = wait_for_single_pid (lastpid, 0); /* checks bgpids list */</span></a>
|
|
<a name="2528"><span class="lineNum"> 2528 </span> : #else</a>
|
|
<a name="2529"><span class="lineNum"> 2529 </span> : lstdin = wait_for (lastpid);</a>
|
|
<a name="2530"><span class="lineNum"> 2530 </span> : #endif</a>
|
|
<a name="2531"><span class="lineNum"> 2531 </span> : </a>
|
|
<a name="2532"><span class="lineNum"> 2532 </span> : #if defined (JOB_CONTROL)</a>
|
|
<a name="2533"><span class="lineNum"> 2533 </span> : /* If wait_for removes the job from the jobs table, use result of last</a>
|
|
<a name="2534"><span class="lineNum"> 2534 </span> : command as pipeline's exit status as usual. The jobs list can get</a>
|
|
<a name="2535"><span class="lineNum"> 2535 </span> : frozen and unfrozen at inconvenient times if there are multiple pipelines</a>
|
|
<a name="2536"><span class="lineNum"> 2536 </span> : running simultaneously. */</a>
|
|
<a name="2537"><span class="lineNum"> 2537 </span><span class="lineNoCov"> 0 : if (INVALID_JOB (lastpipe_jid) == 0)</span></a>
|
|
<a name="2538"><span class="lineNum"> 2538 </span><span class="lineNoCov"> 0 : exec_result = job_exit_status (lastpipe_jid);</span></a>
|
|
<a name="2539"><span class="lineNum"> 2539 </span><span class="lineNoCov"> 0 : else if (pipefail_opt)</span></a>
|
|
<a name="2540"><span class="lineNum"> 2540 </span><span class="lineNoCov"> 0 : exec_result = exec_result | lstdin; /* XXX */</span></a>
|
|
<a name="2541"><span class="lineNum"> 2541 </span> : /* otherwise we use exec_result */</a>
|
|
<a name="2542"><span class="lineNum"> 2542 </span> : </a>
|
|
<a name="2543"><span class="lineNum"> 2543 </span> : #endif</a>
|
|
<a name="2544"><span class="lineNum"> 2544 </span><span class="lineNoCov"> 0 : unfreeze_jobs_list ();</span></a>
|
|
<a name="2545"><span class="lineNum"> 2545 </span> : }</a>
|
|
<a name="2546"><span class="lineNum"> 2546 </span> : </a>
|
|
<a name="2547"><span class="lineNum"> 2547 </span><span class="lineCov"> 23187 : discard_unwind_frame ("lastpipe-exec");</span></a>
|
|
<a name="2548"><span class="lineNum"> 2548 </span> : </a>
|
|
<a name="2549"><span class="lineNum"> 2549 </span><span class="lineCov"> 23187 : return (exec_result);</span></a>
|
|
<a name="2550"><span class="lineNum"> 2550 </span> : }</a>
|
|
<a name="2551"><span class="lineNum"> 2551 </span> : </a>
|
|
<a name="2552"><span class="lineNum"> 2552 </span> : static int</a>
|
|
<a name="2553"><span class="lineNum"> 2553 </span><span class="lineCov"> 8162663 : execute_connection (command, asynchronous, pipe_in, pipe_out, fds_to_close)</span></a>
|
|
<a name="2554"><span class="lineNum"> 2554 </span> : COMMAND *command;</a>
|
|
<a name="2555"><span class="lineNum"> 2555 </span> : int asynchronous, pipe_in, pipe_out;</a>
|
|
<a name="2556"><span class="lineNum"> 2556 </span> : struct fd_bitmap *fds_to_close;</a>
|
|
<a name="2557"><span class="lineNum"> 2557 </span> : {</a>
|
|
<a name="2558"><span class="lineNum"> 2558 </span><span class="lineCov"> 8162663 : COMMAND *tc, *second;</span></a>
|
|
<a name="2559"><span class="lineNum"> 2559 </span><span class="lineCov"> 8162663 : int ignore_return, exec_result, was_error_trap, invert;</span></a>
|
|
<a name="2560"><span class="lineNum"> 2560 </span><span class="lineCov"> 8162663 : volatile int save_line_number;</span></a>
|
|
<a name="2561"><span class="lineNum"> 2561 </span> : </a>
|
|
<a name="2562"><span class="lineNum"> 2562 </span><span class="lineCov"> 8162663 : ignore_return = (command->flags & CMD_IGNORE_RETURN) != 0;</span></a>
|
|
<a name="2563"><span class="lineNum"> 2563 </span> : </a>
|
|
<a name="2564"><span class="lineNum"> 2564 </span><span class="lineCov"> 8162663 : switch (command->value.Connection->connector)</span></a>
|
|
<a name="2565"><span class="lineNum"> 2565 </span> : {</a>
|
|
<a name="2566"><span class="lineNum"> 2566 </span> : /* Do the first command asynchronously. */</a>
|
|
<a name="2567"><span class="lineNum"> 2567 </span><span class="lineCov"> 13364 : case '&':</span></a>
|
|
<a name="2568"><span class="lineNum"> 2568 </span><span class="lineCov"> 13364 : tc = command->value.Connection->first;</span></a>
|
|
<a name="2569"><span class="lineNum"> 2569 </span><span class="lineCov"> 13364 : if (tc == 0)</span></a>
|
|
<a name="2570"><span class="lineNum"> 2570 </span> : return (EXECUTION_SUCCESS);</a>
|
|
<a name="2571"><span class="lineNum"> 2571 </span> : </a>
|
|
<a name="2572"><span class="lineNum"> 2572 </span><span class="lineCov"> 13364 : if (ignore_return)</span></a>
|
|
<a name="2573"><span class="lineNum"> 2573 </span><span class="lineCov"> 96 : tc->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="2574"><span class="lineNum"> 2574 </span><span class="lineCov"> 13364 : tc->flags |= CMD_AMPERSAND;</span></a>
|
|
<a name="2575"><span class="lineNum"> 2575 </span> : </a>
|
|
<a name="2576"><span class="lineNum"> 2576 </span> : /* If this shell was compiled without job control support,</a>
|
|
<a name="2577"><span class="lineNum"> 2577 </span> : if we are currently in a subshell via `( xxx )', or if job</a>
|
|
<a name="2578"><span class="lineNum"> 2578 </span> : control is not active then the standard input for an</a>
|
|
<a name="2579"><span class="lineNum"> 2579 </span> : asynchronous command is forced to /dev/null. */</a>
|
|
<a name="2580"><span class="lineNum"> 2580 </span> : #if defined (JOB_CONTROL)</a>
|
|
<a name="2581"><span class="lineNum"> 2581 </span><span class="lineCov"> 13364 : if ((subshell_environment || !job_control) && !stdin_redir)</span></a>
|
|
<a name="2582"><span class="lineNum"> 2582 </span> : #else</a>
|
|
<a name="2583"><span class="lineNum"> 2583 </span> : if (!stdin_redir)</a>
|
|
<a name="2584"><span class="lineNum"> 2584 </span> : #endif /* JOB_CONTROL */</a>
|
|
<a name="2585"><span class="lineNum"> 2585 </span><span class="lineCov"> 13239 : tc->flags |= CMD_STDIN_REDIR;</span></a>
|
|
<a name="2586"><span class="lineNum"> 2586 </span> : </a>
|
|
<a name="2587"><span class="lineNum"> 2587 </span><span class="lineCov"> 13364 : exec_result = execute_command_internal (tc, 1, pipe_in, pipe_out, fds_to_close);</span></a>
|
|
<a name="2588"><span class="lineNum"> 2588 </span><span class="lineCov"> 13364 : QUIT;</span></a>
|
|
<a name="2589"><span class="lineNum"> 2589 </span> : </a>
|
|
<a name="2590"><span class="lineNum"> 2590 </span><span class="lineCov"> 13364 : if (tc->flags & CMD_STDIN_REDIR)</span></a>
|
|
<a name="2591"><span class="lineNum"> 2591 </span><span class="lineCov"> 13239 : tc->flags &= ~CMD_STDIN_REDIR;</span></a>
|
|
<a name="2592"><span class="lineNum"> 2592 </span> : </a>
|
|
<a name="2593"><span class="lineNum"> 2593 </span><span class="lineCov"> 13364 : second = command->value.Connection->second;</span></a>
|
|
<a name="2594"><span class="lineNum"> 2594 </span><span class="lineCov"> 13364 : if (second)</span></a>
|
|
<a name="2595"><span class="lineNum"> 2595 </span> : {</a>
|
|
<a name="2596"><span class="lineNum"> 2596 </span><span class="lineCov"> 12239 : if (ignore_return)</span></a>
|
|
<a name="2597"><span class="lineNum"> 2597 </span><span class="lineCov"> 85 : second->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="2598"><span class="lineNum"> 2598 </span> : </a>
|
|
<a name="2599"><span class="lineNum"> 2599 </span><span class="lineCov"> 12239 : exec_result = execute_command_internal (second, asynchronous, pipe_in, pipe_out, fds_to_close);</span></a>
|
|
<a name="2600"><span class="lineNum"> 2600 </span> : }</a>
|
|
<a name="2601"><span class="lineNum"> 2601 </span> : </a>
|
|
<a name="2602"><span class="lineNum"> 2602 </span> : break;</a>
|
|
<a name="2603"><span class="lineNum"> 2603 </span> : </a>
|
|
<a name="2604"><span class="lineNum"> 2604 </span> : /* Just call execute command on both sides. */</a>
|
|
<a name="2605"><span class="lineNum"> 2605 </span><span class="lineCov"> 5744086 : case ';':</span></a>
|
|
<a name="2606"><span class="lineNum"> 2606 </span><span class="lineCov"> 5744086 : if (ignore_return)</span></a>
|
|
<a name="2607"><span class="lineNum"> 2607 </span> : {</a>
|
|
<a name="2608"><span class="lineNum"> 2608 </span><span class="lineCov"> 617 : if (command->value.Connection->first)</span></a>
|
|
<a name="2609"><span class="lineNum"> 2609 </span><span class="lineCov"> 617 : command->value.Connection->first->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="2610"><span class="lineNum"> 2610 </span><span class="lineCov"> 617 : if (command->value.Connection->second)</span></a>
|
|
<a name="2611"><span class="lineNum"> 2611 </span><span class="lineCov"> 617 : command->value.Connection->second->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="2612"><span class="lineNum"> 2612 </span> : }</a>
|
|
<a name="2613"><span class="lineNum"> 2613 </span><span class="lineCov"> 5744086 : executing_list++;</span></a>
|
|
<a name="2614"><span class="lineNum"> 2614 </span><span class="lineCov"> 5744086 : QUIT;</span></a>
|
|
<a name="2615"><span class="lineNum"> 2615 </span><span class="lineCov"> 5744086 : execute_command (command->value.Connection->first);</span></a>
|
|
<a name="2616"><span class="lineNum"> 2616 </span><span class="lineCov"> 5737270 : QUIT;</span></a>
|
|
<a name="2617"><span class="lineNum"> 2617 </span><span class="lineCov"> 5737270 : exec_result = execute_command_internal (command->value.Connection->second,</span></a>
|
|
<a name="2618"><span class="lineNum"> 2618 </span> : asynchronous, pipe_in, pipe_out,</a>
|
|
<a name="2619"><span class="lineNum"> 2619 </span> : fds_to_close);</a>
|
|
<a name="2620"><span class="lineNum"> 2620 </span><span class="lineCov"> 5729555 : executing_list--;</span></a>
|
|
<a name="2621"><span class="lineNum"> 2621 </span><span class="lineCov"> 5729555 : break;</span></a>
|
|
<a name="2622"><span class="lineNum"> 2622 </span> : </a>
|
|
<a name="2623"><span class="lineNum"> 2623 </span><span class="lineCov"> 23190 : case '|':</span></a>
|
|
<a name="2624"><span class="lineNum"> 2624 </span><span class="lineCov"> 23190 : was_error_trap = signal_is_trapped (ERROR_TRAP) && signal_is_ignored (ERROR_TRAP) == 0;</span></a>
|
|
<a name="2625"><span class="lineNum"> 2625 </span><span class="lineCov"> 23190 : invert = (command->flags & CMD_INVERT_RETURN) != 0;</span></a>
|
|
<a name="2626"><span class="lineNum"> 2626 </span><span class="lineCov"> 23190 : ignore_return = (command->flags & CMD_IGNORE_RETURN) != 0;</span></a>
|
|
<a name="2627"><span class="lineNum"> 2627 </span> : </a>
|
|
<a name="2628"><span class="lineNum"> 2628 </span><span class="lineCov"> 23190 : line_number_for_err_trap = line_number; /* XXX - save value? */</span></a>
|
|
<a name="2629"><span class="lineNum"> 2629 </span><span class="lineCov"> 23190 : exec_result = execute_pipeline (command, asynchronous, pipe_in, pipe_out, fds_to_close);</span></a>
|
|
<a name="2630"><span class="lineNum"> 2630 </span> : </a>
|
|
<a name="2631"><span class="lineNum"> 2631 </span><span class="lineCov"> 23187 : if (asynchronous)</span></a>
|
|
<a name="2632"><span class="lineNum"> 2632 </span> : {</a>
|
|
<a name="2633"><span class="lineNum"> 2633 </span><span class="lineCov"> 1620 : exec_result = EXECUTION_SUCCESS;</span></a>
|
|
<a name="2634"><span class="lineNum"> 2634 </span><span class="lineCov"> 1620 : invert = 0;</span></a>
|
|
<a name="2635"><span class="lineNum"> 2635 </span> : }</a>
|
|
<a name="2636"><span class="lineNum"> 2636 </span> : </a>
|
|
<a name="2637"><span class="lineNum"> 2637 </span><span class="lineCov"> 23187 : if (was_error_trap && ignore_return == 0 && invert == 0 && exec_result != EXECUTION_SUCCESS)</span></a>
|
|
<a name="2638"><span class="lineNum"> 2638 </span> : {</a>
|
|
<a name="2639"><span class="lineNum"> 2639 </span><span class="lineNoCov"> 0 : last_command_exit_value = exec_result;</span></a>
|
|
<a name="2640"><span class="lineNum"> 2640 </span><span class="lineNoCov"> 0 : save_line_number = line_number;</span></a>
|
|
<a name="2641"><span class="lineNum"> 2641 </span><span class="lineNoCov"> 0 : line_number = line_number_for_err_trap;</span></a>
|
|
<a name="2642"><span class="lineNum"> 2642 </span><span class="lineNoCov"> 0 : run_error_trap ();</span></a>
|
|
<a name="2643"><span class="lineNum"> 2643 </span><span class="lineNoCov"> 0 : line_number = save_line_number;</span></a>
|
|
<a name="2644"><span class="lineNum"> 2644 </span> : }</a>
|
|
<a name="2645"><span class="lineNum"> 2645 </span> : </a>
|
|
<a name="2646"><span class="lineNum"> 2646 </span><span class="lineCov"> 23187 : if (ignore_return == 0 && invert == 0 && exit_immediately_on_error && exec_result != EXECUTION_SUCCESS)</span></a>
|
|
<a name="2647"><span class="lineNum"> 2647 </span> : {</a>
|
|
<a name="2648"><span class="lineNum"> 2648 </span><span class="lineNoCov"> 0 : last_command_exit_value = exec_result;</span></a>
|
|
<a name="2649"><span class="lineNum"> 2649 </span><span class="lineNoCov"> 0 : run_pending_traps ();</span></a>
|
|
<a name="2650"><span class="lineNum"> 2650 </span><span class="lineNoCov"> 0 : jump_to_top_level (ERREXIT);</span></a>
|
|
<a name="2651"><span class="lineNum"> 2651 </span> : }</a>
|
|
<a name="2652"><span class="lineNum"> 2652 </span> : </a>
|
|
<a name="2653"><span class="lineNum"> 2653 </span> : break;</a>
|
|
<a name="2654"><span class="lineNum"> 2654 </span> : </a>
|
|
<a name="2655"><span class="lineNum"> 2655 </span><span class="lineCov"> 2382023 : case AND_AND:</span></a>
|
|
<a name="2656"><span class="lineNum"> 2656 </span> : case OR_OR:</a>
|
|
<a name="2657"><span class="lineNum"> 2657 </span><span class="lineCov"> 2382023 : if (asynchronous)</span></a>
|
|
<a name="2658"><span class="lineNum"> 2658 </span> : {</a>
|
|
<a name="2659"><span class="lineNum"> 2659 </span> : /* If we have something like `a && b &' or `a || b &', run the</a>
|
|
<a name="2660"><span class="lineNum"> 2660 </span> : && or || stuff in a subshell. Force a subshell and just call</a>
|
|
<a name="2661"><span class="lineNum"> 2661 </span> : execute_command_internal again. Leave asynchronous on</a>
|
|
<a name="2662"><span class="lineNum"> 2662 </span> : so that we get a report from the parent shell about the</a>
|
|
<a name="2663"><span class="lineNum"> 2663 </span> : background job. */</a>
|
|
<a name="2664"><span class="lineNum"> 2664 </span><span class="lineCov"> 168 : command->flags |= CMD_FORCE_SUBSHELL;</span></a>
|
|
<a name="2665"><span class="lineNum"> 2665 </span><span class="lineCov"> 168 : exec_result = execute_command_internal (command, 1, pipe_in, pipe_out, fds_to_close);</span></a>
|
|
<a name="2666"><span class="lineNum"> 2666 </span><span class="lineCov"> 168 : break;</span></a>
|
|
<a name="2667"><span class="lineNum"> 2667 </span> : }</a>
|
|
<a name="2668"><span class="lineNum"> 2668 </span> : </a>
|
|
<a name="2669"><span class="lineNum"> 2669 </span> : /* Execute the first command. If the result of that is successful</a>
|
|
<a name="2670"><span class="lineNum"> 2670 </span> : and the connector is AND_AND, or the result is not successful</a>
|
|
<a name="2671"><span class="lineNum"> 2671 </span> : and the connector is OR_OR, then execute the second command,</a>
|
|
<a name="2672"><span class="lineNum"> 2672 </span> : otherwise return. */</a>
|
|
<a name="2673"><span class="lineNum"> 2673 </span> : </a>
|
|
<a name="2674"><span class="lineNum"> 2674 </span><span class="lineCov"> 2381855 : executing_list++;</span></a>
|
|
<a name="2675"><span class="lineNum"> 2675 </span><span class="lineCov"> 2381855 : if (command->value.Connection->first)</span></a>
|
|
<a name="2676"><span class="lineNum"> 2676 </span><span class="lineCov"> 2381855 : command->value.Connection->first->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="2677"><span class="lineNum"> 2677 </span> : </a>
|
|
<a name="2678"><span class="lineNum"> 2678 </span><span class="lineCov"> 2381855 : exec_result = execute_command (command->value.Connection->first);</span></a>
|
|
<a name="2679"><span class="lineNum"> 2679 </span><span class="lineCov"> 2381815 : QUIT;</span></a>
|
|
<a name="2680"><span class="lineNum"> 2680 </span><span class="lineCov"> 2381815 : if (((command->value.Connection->connector == AND_AND) &&</span></a>
|
|
<a name="2681"><span class="lineNum"> 2681 </span><span class="lineCov"> 2381806 : (exec_result == EXECUTION_SUCCESS)) ||</span></a>
|
|
<a name="2682"><span class="lineNum"> 2682 </span><span class="lineCov"> 2381778 : ((command->value.Connection->connector == OR_OR) &&</span></a>
|
|
<a name="2683"><span class="lineNum"> 2683 </span> : (exec_result != EXECUTION_SUCCESS)))</a>
|
|
<a name="2684"><span class="lineNum"> 2684 </span> : {</a>
|
|
<a name="2685"><span class="lineNum"> 2685 </span><span class="lineCov"> 93651 : second = command->value.Connection->second;</span></a>
|
|
<a name="2686"><span class="lineNum"> 2686 </span><span class="lineCov"> 93651 : if (ignore_return && second)</span></a>
|
|
<a name="2687"><span class="lineNum"> 2687 </span><span class="lineCov"> 67 : second->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="2688"><span class="lineNum"> 2688 </span> : </a>
|
|
<a name="2689"><span class="lineNum"> 2689 </span><span class="lineCov"> 93651 : exec_result = execute_command (second);</span></a>
|
|
<a name="2690"><span class="lineNum"> 2690 </span> : }</a>
|
|
<a name="2691"><span class="lineNum"> 2691 </span><span class="lineCov"> 2308199 : executing_list--;</span></a>
|
|
<a name="2692"><span class="lineNum"> 2692 </span><span class="lineCov"> 2308199 : break;</span></a>
|
|
<a name="2693"><span class="lineNum"> 2693 </span> : </a>
|
|
<a name="2694"><span class="lineNum"> 2694 </span><span class="lineNoCov"> 0 : default:</span></a>
|
|
<a name="2695"><span class="lineNum"> 2695 </span><span class="lineNoCov"> 0 : command_error ("execute_connection", CMDERR_BADCONN, command->value.Connection->connector, 0);</span></a>
|
|
<a name="2696"><span class="lineNum"> 2696 </span><span class="lineNoCov"> 0 : jump_to_top_level (DISCARD);</span></a>
|
|
<a name="2697"><span class="lineNum"> 2697 </span> : exec_result = EXECUTION_FAILURE;</a>
|
|
<a name="2698"><span class="lineNum"> 2698 </span> : }</a>
|
|
<a name="2699"><span class="lineNum"> 2699 </span> : </a>
|
|
<a name="2700"><span class="lineNum"> 2700 </span> : return exec_result;</a>
|
|
<a name="2701"><span class="lineNum"> 2701 </span> : }</a>
|
|
<a name="2702"><span class="lineNum"> 2702 </span> : </a>
|
|
<a name="2703"><span class="lineNum"> 2703 </span> : /* The test used to be only for interactive_shell, but we don't want to report</a>
|
|
<a name="2704"><span class="lineNum"> 2704 </span> : job status when the shell is not interactive or when job control isn't</a>
|
|
<a name="2705"><span class="lineNum"> 2705 </span> : enabled. */</a>
|
|
<a name="2706"><span class="lineNum"> 2706 </span> : #define REAP() \</a>
|
|
<a name="2707"><span class="lineNum"> 2707 </span> : do \</a>
|
|
<a name="2708"><span class="lineNum"> 2708 </span> : { \</a>
|
|
<a name="2709"><span class="lineNum"> 2709 </span> : if (job_control == 0 || interactive_shell == 0) \</a>
|
|
<a name="2710"><span class="lineNum"> 2710 </span> : reap_dead_jobs (); \</a>
|
|
<a name="2711"><span class="lineNum"> 2711 </span> : } \</a>
|
|
<a name="2712"><span class="lineNum"> 2712 </span> : while (0)</a>
|
|
<a name="2713"><span class="lineNum"> 2713 </span> : </a>
|
|
<a name="2714"><span class="lineNum"> 2714 </span> : /* Execute a FOR command. The syntax is: FOR word_desc IN word_list;</a>
|
|
<a name="2715"><span class="lineNum"> 2715 </span> : DO command; DONE */</a>
|
|
<a name="2716"><span class="lineNum"> 2716 </span> : static int</a>
|
|
<a name="2717"><span class="lineNum"> 2717 </span><span class="lineNoCov"> 0 : execute_for_command (for_command)</span></a>
|
|
<a name="2718"><span class="lineNum"> 2718 </span> : FOR_COM *for_command;</a>
|
|
<a name="2719"><span class="lineNum"> 2719 </span> : {</a>
|
|
<a name="2720"><span class="lineNum"> 2720 </span><span class="lineNoCov"> 0 : register WORD_LIST *releaser, *list;</span></a>
|
|
<a name="2721"><span class="lineNum"> 2721 </span><span class="lineNoCov"> 0 : SHELL_VAR *v;</span></a>
|
|
<a name="2722"><span class="lineNum"> 2722 </span><span class="lineNoCov"> 0 : char *identifier;</span></a>
|
|
<a name="2723"><span class="lineNum"> 2723 </span><span class="lineNoCov"> 0 : int retval, save_line_number;</span></a>
|
|
<a name="2724"><span class="lineNum"> 2724 </span> : #if 0</a>
|
|
<a name="2725"><span class="lineNum"> 2725 </span> : SHELL_VAR *old_value = (SHELL_VAR *)NULL; /* Remember the old value of x. */</a>
|
|
<a name="2726"><span class="lineNum"> 2726 </span> : #endif</a>
|
|
<a name="2727"><span class="lineNum"> 2727 </span> : </a>
|
|
<a name="2728"><span class="lineNum"> 2728 </span><span class="lineNoCov"> 0 : save_line_number = line_number;</span></a>
|
|
<a name="2729"><span class="lineNum"> 2729 </span><span class="lineNoCov"> 0 : if (check_identifier (for_command->name, 1) == 0)</span></a>
|
|
<a name="2730"><span class="lineNum"> 2730 </span> : {</a>
|
|
<a name="2731"><span class="lineNum"> 2731 </span><span class="lineNoCov"> 0 : if (posixly_correct && interactive_shell == 0)</span></a>
|
|
<a name="2732"><span class="lineNum"> 2732 </span> : {</a>
|
|
<a name="2733"><span class="lineNum"> 2733 </span><span class="lineNoCov"> 0 : last_command_exit_value = EX_BADUSAGE;</span></a>
|
|
<a name="2734"><span class="lineNum"> 2734 </span><span class="lineNoCov"> 0 : jump_to_top_level (ERREXIT);</span></a>
|
|
<a name="2735"><span class="lineNum"> 2735 </span> : }</a>
|
|
<a name="2736"><span class="lineNum"> 2736 </span> : return (EXECUTION_FAILURE);</a>
|
|
<a name="2737"><span class="lineNum"> 2737 </span> : }</a>
|
|
<a name="2738"><span class="lineNum"> 2738 </span> : </a>
|
|
<a name="2739"><span class="lineNum"> 2739 </span><span class="lineNoCov"> 0 : loop_level++;</span></a>
|
|
<a name="2740"><span class="lineNum"> 2740 </span><span class="lineNoCov"> 0 : identifier = for_command->name->word;</span></a>
|
|
<a name="2741"><span class="lineNum"> 2741 </span> : </a>
|
|
<a name="2742"><span class="lineNum"> 2742 </span><span class="lineNoCov"> 0 : line_number = for_command->line; /* for expansion error messages */</span></a>
|
|
<a name="2743"><span class="lineNum"> 2743 </span><span class="lineNoCov"> 0 : list = releaser = expand_words_no_vars (for_command->map_list);</span></a>
|
|
<a name="2744"><span class="lineNum"> 2744 </span> : </a>
|
|
<a name="2745"><span class="lineNum"> 2745 </span><span class="lineNoCov"> 0 : begin_unwind_frame ("for");</span></a>
|
|
<a name="2746"><span class="lineNum"> 2746 </span><span class="lineNoCov"> 0 : add_unwind_protect (dispose_words, releaser);</span></a>
|
|
<a name="2747"><span class="lineNum"> 2747 </span> : </a>
|
|
<a name="2748"><span class="lineNum"> 2748 </span> : #if 0</a>
|
|
<a name="2749"><span class="lineNum"> 2749 </span> : if (lexical_scoping)</a>
|
|
<a name="2750"><span class="lineNum"> 2750 </span> : {</a>
|
|
<a name="2751"><span class="lineNum"> 2751 </span> : old_value = copy_variable (find_variable (identifier));</a>
|
|
<a name="2752"><span class="lineNum"> 2752 </span> : if (old_value)</a>
|
|
<a name="2753"><span class="lineNum"> 2753 </span> : add_unwind_protect (dispose_variable, old_value);</a>
|
|
<a name="2754"><span class="lineNum"> 2754 </span> : }</a>
|
|
<a name="2755"><span class="lineNum"> 2755 </span> : #endif</a>
|
|
<a name="2756"><span class="lineNum"> 2756 </span> : </a>
|
|
<a name="2757"><span class="lineNum"> 2757 </span><span class="lineNoCov"> 0 : if (for_command->flags & CMD_IGNORE_RETURN)</span></a>
|
|
<a name="2758"><span class="lineNum"> 2758 </span><span class="lineNoCov"> 0 : for_command->action->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="2759"><span class="lineNum"> 2759 </span> : </a>
|
|
<a name="2760"><span class="lineNum"> 2760 </span><span class="lineNoCov"> 0 : for (retval = EXECUTION_SUCCESS; list; list = list->next)</span></a>
|
|
<a name="2761"><span class="lineNum"> 2761 </span> : {</a>
|
|
<a name="2762"><span class="lineNum"> 2762 </span><span class="lineNoCov"> 0 : QUIT;</span></a>
|
|
<a name="2763"><span class="lineNum"> 2763 </span> : </a>
|
|
<a name="2764"><span class="lineNum"> 2764 </span><span class="lineNoCov"> 0 : line_number = for_command->line;</span></a>
|
|
<a name="2765"><span class="lineNum"> 2765 </span> : </a>
|
|
<a name="2766"><span class="lineNum"> 2766 </span> : /* Remember what this command looks like, for debugger. */</a>
|
|
<a name="2767"><span class="lineNum"> 2767 </span><span class="lineNoCov"> 0 : command_string_index = 0;</span></a>
|
|
<a name="2768"><span class="lineNum"> 2768 </span><span class="lineNoCov"> 0 : print_for_command_head (for_command);</span></a>
|
|
<a name="2769"><span class="lineNum"> 2769 </span> : </a>
|
|
<a name="2770"><span class="lineNum"> 2770 </span><span class="lineNoCov"> 0 : if (echo_command_at_execute)</span></a>
|
|
<a name="2771"><span class="lineNum"> 2771 </span><span class="lineNoCov"> 0 : xtrace_print_for_command_head (for_command);</span></a>
|
|
<a name="2772"><span class="lineNum"> 2772 </span> : </a>
|
|
<a name="2773"><span class="lineNum"> 2773 </span> : /* Save this command unless it's a trap command and we're not running</a>
|
|
<a name="2774"><span class="lineNum"> 2774 </span> : a debug trap. */</a>
|
|
<a name="2775"><span class="lineNum"> 2775 </span><span class="lineNoCov"> 0 : if (signal_in_progress (DEBUG_TRAP) == 0 && running_trap == 0)</span></a>
|
|
<a name="2776"><span class="lineNum"> 2776 </span> : {</a>
|
|
<a name="2777"><span class="lineNum"> 2777 </span><span class="lineNoCov"> 0 : FREE (the_printed_command_except_trap);</span></a>
|
|
<a name="2778"><span class="lineNum"> 2778 </span><span class="lineNoCov"> 0 : the_printed_command_except_trap = savestring (the_printed_command);</span></a>
|
|
<a name="2779"><span class="lineNum"> 2779 </span> : }</a>
|
|
<a name="2780"><span class="lineNum"> 2780 </span> : </a>
|
|
<a name="2781"><span class="lineNum"> 2781 </span><span class="lineNoCov"> 0 : retval = run_debug_trap ();</span></a>
|
|
<a name="2782"><span class="lineNum"> 2782 </span> : #if defined (DEBUGGER)</a>
|
|
<a name="2783"><span class="lineNum"> 2783 </span> : /* In debugging mode, if the DEBUG trap returns a non-zero status, we</a>
|
|
<a name="2784"><span class="lineNum"> 2784 </span> : skip the command. */</a>
|
|
<a name="2785"><span class="lineNum"> 2785 </span><span class="lineNoCov"> 0 : if (debugging_mode && retval != EXECUTION_SUCCESS)</span></a>
|
|
<a name="2786"><span class="lineNum"> 2786 </span> : continue;</a>
|
|
<a name="2787"><span class="lineNum"> 2787 </span> : #endif</a>
|
|
<a name="2788"><span class="lineNum"> 2788 </span> : </a>
|
|
<a name="2789"><span class="lineNum"> 2789 </span><span class="lineNoCov"> 0 : this_command_name = (char *)NULL;</span></a>
|
|
<a name="2790"><span class="lineNum"> 2790 </span> : /* XXX - special ksh93 for command index variable handling */</a>
|
|
<a name="2791"><span class="lineNum"> 2791 </span><span class="lineNoCov"> 0 : v = find_variable_last_nameref (identifier, 1);</span></a>
|
|
<a name="2792"><span class="lineNum"> 2792 </span><span class="lineNoCov"> 0 : if (v && nameref_p (v))</span></a>
|
|
<a name="2793"><span class="lineNum"> 2793 </span> : {</a>
|
|
<a name="2794"><span class="lineNum"> 2794 </span><span class="lineNoCov"> 0 : if (valid_nameref_value (list->word->word, 1) == 0)</span></a>
|
|
<a name="2795"><span class="lineNum"> 2795 </span> : {</a>
|
|
<a name="2796"><span class="lineNum"> 2796 </span><span class="lineNoCov"> 0 : sh_invalidid (list->word->word);</span></a>
|
|
<a name="2797"><span class="lineNum"> 2797 </span><span class="lineNoCov"> 0 : v = 0;</span></a>
|
|
<a name="2798"><span class="lineNum"> 2798 </span> : }</a>
|
|
<a name="2799"><span class="lineNum"> 2799 </span> : else</a>
|
|
<a name="2800"><span class="lineNum"> 2800 </span><span class="lineNoCov"> 0 : v = bind_variable_value (v, list->word->word, 0);</span></a>
|
|
<a name="2801"><span class="lineNum"> 2801 </span> : }</a>
|
|
<a name="2802"><span class="lineNum"> 2802 </span> : else</a>
|
|
<a name="2803"><span class="lineNum"> 2803 </span><span class="lineNoCov"> 0 : v = bind_variable (identifier, list->word->word, 0);</span></a>
|
|
<a name="2804"><span class="lineNum"> 2804 </span> : </a>
|
|
<a name="2805"><span class="lineNum"> 2805 </span><span class="lineNoCov"> 0 : if (v == 0 || readonly_p (v) || noassign_p (v))</span></a>
|
|
<a name="2806"><span class="lineNum"> 2806 </span> : {</a>
|
|
<a name="2807"><span class="lineNum"> 2807 </span><span class="lineNoCov"> 0 : line_number = save_line_number;</span></a>
|
|
<a name="2808"><span class="lineNum"> 2808 </span><span class="lineNoCov"> 0 : if (v && readonly_p (v) && interactive_shell == 0 && posixly_correct)</span></a>
|
|
<a name="2809"><span class="lineNum"> 2809 </span> : {</a>
|
|
<a name="2810"><span class="lineNum"> 2810 </span><span class="lineNoCov"> 0 : last_command_exit_value = EXECUTION_FAILURE;</span></a>
|
|
<a name="2811"><span class="lineNum"> 2811 </span><span class="lineNoCov"> 0 : jump_to_top_level (FORCE_EOF);</span></a>
|
|
<a name="2812"><span class="lineNum"> 2812 </span> : }</a>
|
|
<a name="2813"><span class="lineNum"> 2813 </span> : else</a>
|
|
<a name="2814"><span class="lineNum"> 2814 </span> : {</a>
|
|
<a name="2815"><span class="lineNum"> 2815 </span><span class="lineNoCov"> 0 : dispose_words (releaser);</span></a>
|
|
<a name="2816"><span class="lineNum"> 2816 </span><span class="lineNoCov"> 0 : discard_unwind_frame ("for");</span></a>
|
|
<a name="2817"><span class="lineNum"> 2817 </span><span class="lineNoCov"> 0 : loop_level--;</span></a>
|
|
<a name="2818"><span class="lineNum"> 2818 </span><span class="lineNoCov"> 0 : return (EXECUTION_FAILURE);</span></a>
|
|
<a name="2819"><span class="lineNum"> 2819 </span> : }</a>
|
|
<a name="2820"><span class="lineNum"> 2820 </span> : }</a>
|
|
<a name="2821"><span class="lineNum"> 2821 </span> : </a>
|
|
<a name="2822"><span class="lineNum"> 2822 </span><span class="lineNoCov"> 0 : if (ifsname (identifier))</span></a>
|
|
<a name="2823"><span class="lineNum"> 2823 </span><span class="lineNoCov"> 0 : setifs (v);</span></a>
|
|
<a name="2824"><span class="lineNum"> 2824 </span> : </a>
|
|
<a name="2825"><span class="lineNum"> 2825 </span><span class="lineNoCov"> 0 : retval = execute_command (for_command->action);</span></a>
|
|
<a name="2826"><span class="lineNum"> 2826 </span><span class="lineNoCov"> 0 : REAP ();</span></a>
|
|
<a name="2827"><span class="lineNum"> 2827 </span><span class="lineNoCov"> 0 : QUIT;</span></a>
|
|
<a name="2828"><span class="lineNum"> 2828 </span> : </a>
|
|
<a name="2829"><span class="lineNum"> 2829 </span><span class="lineNoCov"> 0 : if (breaking)</span></a>
|
|
<a name="2830"><span class="lineNum"> 2830 </span> : {</a>
|
|
<a name="2831"><span class="lineNum"> 2831 </span><span class="lineNoCov"> 0 : breaking--;</span></a>
|
|
<a name="2832"><span class="lineNum"> 2832 </span><span class="lineNoCov"> 0 : break;</span></a>
|
|
<a name="2833"><span class="lineNum"> 2833 </span> : }</a>
|
|
<a name="2834"><span class="lineNum"> 2834 </span> : </a>
|
|
<a name="2835"><span class="lineNum"> 2835 </span><span class="lineNoCov"> 0 : if (continuing)</span></a>
|
|
<a name="2836"><span class="lineNum"> 2836 </span> : {</a>
|
|
<a name="2837"><span class="lineNum"> 2837 </span><span class="lineNoCov"> 0 : continuing--;</span></a>
|
|
<a name="2838"><span class="lineNum"> 2838 </span><span class="lineNoCov"> 0 : if (continuing)</span></a>
|
|
<a name="2839"><span class="lineNum"> 2839 </span> : break;</a>
|
|
<a name="2840"><span class="lineNum"> 2840 </span> : }</a>
|
|
<a name="2841"><span class="lineNum"> 2841 </span> : }</a>
|
|
<a name="2842"><span class="lineNum"> 2842 </span> : </a>
|
|
<a name="2843"><span class="lineNum"> 2843 </span><span class="lineNoCov"> 0 : loop_level--;</span></a>
|
|
<a name="2844"><span class="lineNum"> 2844 </span><span class="lineNoCov"> 0 : line_number = save_line_number;</span></a>
|
|
<a name="2845"><span class="lineNum"> 2845 </span> : </a>
|
|
<a name="2846"><span class="lineNum"> 2846 </span> : #if 0</a>
|
|
<a name="2847"><span class="lineNum"> 2847 </span> : if (lexical_scoping)</a>
|
|
<a name="2848"><span class="lineNum"> 2848 </span> : {</a>
|
|
<a name="2849"><span class="lineNum"> 2849 </span> : if (!old_value)</a>
|
|
<a name="2850"><span class="lineNum"> 2850 </span> : unbind_variable (identifier);</a>
|
|
<a name="2851"><span class="lineNum"> 2851 </span> : else</a>
|
|
<a name="2852"><span class="lineNum"> 2852 </span> : {</a>
|
|
<a name="2853"><span class="lineNum"> 2853 </span> : SHELL_VAR *new_value;</a>
|
|
<a name="2854"><span class="lineNum"> 2854 </span> : </a>
|
|
<a name="2855"><span class="lineNum"> 2855 </span> : new_value = bind_variable (identifier, value_cell(old_value), 0);</a>
|
|
<a name="2856"><span class="lineNum"> 2856 </span> : new_value->attributes = old_value->attributes;</a>
|
|
<a name="2857"><span class="lineNum"> 2857 </span> : dispose_variable (old_value);</a>
|
|
<a name="2858"><span class="lineNum"> 2858 </span> : }</a>
|
|
<a name="2859"><span class="lineNum"> 2859 </span> : }</a>
|
|
<a name="2860"><span class="lineNum"> 2860 </span> : #endif</a>
|
|
<a name="2861"><span class="lineNum"> 2861 </span> : </a>
|
|
<a name="2862"><span class="lineNum"> 2862 </span><span class="lineNoCov"> 0 : dispose_words (releaser);</span></a>
|
|
<a name="2863"><span class="lineNum"> 2863 </span><span class="lineNoCov"> 0 : discard_unwind_frame ("for");</span></a>
|
|
<a name="2864"><span class="lineNum"> 2864 </span><span class="lineNoCov"> 0 : return (retval);</span></a>
|
|
<a name="2865"><span class="lineNum"> 2865 </span> : }</a>
|
|
<a name="2866"><span class="lineNum"> 2866 </span> : </a>
|
|
<a name="2867"><span class="lineNum"> 2867 </span> : #if defined (ARITH_FOR_COMMAND)</a>
|
|
<a name="2868"><span class="lineNum"> 2868 </span> : /* Execute an arithmetic for command. The syntax is</a>
|
|
<a name="2869"><span class="lineNum"> 2869 </span> : </a>
|
|
<a name="2870"><span class="lineNum"> 2870 </span> : for (( init ; step ; test ))</a>
|
|
<a name="2871"><span class="lineNum"> 2871 </span> : do</a>
|
|
<a name="2872"><span class="lineNum"> 2872 </span> : body</a>
|
|
<a name="2873"><span class="lineNum"> 2873 </span> : done</a>
|
|
<a name="2874"><span class="lineNum"> 2874 </span> : </a>
|
|
<a name="2875"><span class="lineNum"> 2875 </span> : The execution should be exactly equivalent to</a>
|
|
<a name="2876"><span class="lineNum"> 2876 </span> : </a>
|
|
<a name="2877"><span class="lineNum"> 2877 </span> : eval \(\( init \)\)</a>
|
|
<a name="2878"><span class="lineNum"> 2878 </span> : while eval \(\( test \)\) ; do</a>
|
|
<a name="2879"><span class="lineNum"> 2879 </span> : body;</a>
|
|
<a name="2880"><span class="lineNum"> 2880 </span> : eval \(\( step \)\)</a>
|
|
<a name="2881"><span class="lineNum"> 2881 </span> : done</a>
|
|
<a name="2882"><span class="lineNum"> 2882 </span> : */</a>
|
|
<a name="2883"><span class="lineNum"> 2883 </span> : static intmax_t</a>
|
|
<a name="2884"><span class="lineNum"> 2884 </span><span class="lineNoCov"> 0 : eval_arith_for_expr (l, okp)</span></a>
|
|
<a name="2885"><span class="lineNum"> 2885 </span> : WORD_LIST *l;</a>
|
|
<a name="2886"><span class="lineNum"> 2886 </span> : int *okp;</a>
|
|
<a name="2887"><span class="lineNum"> 2887 </span> : {</a>
|
|
<a name="2888"><span class="lineNum"> 2888 </span><span class="lineNoCov"> 0 : WORD_LIST *new;</span></a>
|
|
<a name="2889"><span class="lineNum"> 2889 </span><span class="lineNoCov"> 0 : intmax_t expresult;</span></a>
|
|
<a name="2890"><span class="lineNum"> 2890 </span><span class="lineNoCov"> 0 : int r;</span></a>
|
|
<a name="2891"><span class="lineNum"> 2891 </span> : </a>
|
|
<a name="2892"><span class="lineNum"> 2892 </span><span class="lineNoCov"> 0 : new = expand_words_no_vars (l);</span></a>
|
|
<a name="2893"><span class="lineNum"> 2893 </span><span class="lineNoCov"> 0 : if (new)</span></a>
|
|
<a name="2894"><span class="lineNum"> 2894 </span> : {</a>
|
|
<a name="2895"><span class="lineNum"> 2895 </span><span class="lineNoCov"> 0 : if (echo_command_at_execute)</span></a>
|
|
<a name="2896"><span class="lineNum"> 2896 </span><span class="lineNoCov"> 0 : xtrace_print_arith_cmd (new);</span></a>
|
|
<a name="2897"><span class="lineNum"> 2897 </span><span class="lineNoCov"> 0 : this_command_name = "(("; /* )) for expression error messages */</span></a>
|
|
<a name="2898"><span class="lineNum"> 2898 </span> : </a>
|
|
<a name="2899"><span class="lineNum"> 2899 </span><span class="lineNoCov"> 0 : command_string_index = 0;</span></a>
|
|
<a name="2900"><span class="lineNum"> 2900 </span><span class="lineNoCov"> 0 : print_arith_command (new);</span></a>
|
|
<a name="2901"><span class="lineNum"> 2901 </span><span class="lineNoCov"> 0 : if (signal_in_progress (DEBUG_TRAP) == 0)</span></a>
|
|
<a name="2902"><span class="lineNum"> 2902 </span> : {</a>
|
|
<a name="2903"><span class="lineNum"> 2903 </span><span class="lineNoCov"> 0 : FREE (the_printed_command_except_trap);</span></a>
|
|
<a name="2904"><span class="lineNum"> 2904 </span><span class="lineNoCov"> 0 : the_printed_command_except_trap = savestring (the_printed_command);</span></a>
|
|
<a name="2905"><span class="lineNum"> 2905 </span> : }</a>
|
|
<a name="2906"><span class="lineNum"> 2906 </span> : </a>
|
|
<a name="2907"><span class="lineNum"> 2907 </span><span class="lineNoCov"> 0 : r = run_debug_trap ();</span></a>
|
|
<a name="2908"><span class="lineNum"> 2908 </span> : /* In debugging mode, if the DEBUG trap returns a non-zero status, we</a>
|
|
<a name="2909"><span class="lineNum"> 2909 </span> : skip the command. */</a>
|
|
<a name="2910"><span class="lineNum"> 2910 </span> : #if defined (DEBUGGER)</a>
|
|
<a name="2911"><span class="lineNum"> 2911 </span><span class="lineNoCov"> 0 : if (debugging_mode == 0 || r == EXECUTION_SUCCESS)</span></a>
|
|
<a name="2912"><span class="lineNum"> 2912 </span><span class="lineNoCov"> 0 : expresult = evalexp (new->word->word, okp);</span></a>
|
|
<a name="2913"><span class="lineNum"> 2913 </span> : else</a>
|
|
<a name="2914"><span class="lineNum"> 2914 </span> : {</a>
|
|
<a name="2915"><span class="lineNum"> 2915 </span><span class="lineNoCov"> 0 : expresult = 0;</span></a>
|
|
<a name="2916"><span class="lineNum"> 2916 </span><span class="lineNoCov"> 0 : if (okp)</span></a>
|
|
<a name="2917"><span class="lineNum"> 2917 </span><span class="lineNoCov"> 0 : *okp = 1;</span></a>
|
|
<a name="2918"><span class="lineNum"> 2918 </span> : }</a>
|
|
<a name="2919"><span class="lineNum"> 2919 </span> : #else</a>
|
|
<a name="2920"><span class="lineNum"> 2920 </span> : expresult = evalexp (new->word->word, okp);</a>
|
|
<a name="2921"><span class="lineNum"> 2921 </span> : #endif</a>
|
|
<a name="2922"><span class="lineNum"> 2922 </span><span class="lineNoCov"> 0 : dispose_words (new);</span></a>
|
|
<a name="2923"><span class="lineNum"> 2923 </span> : }</a>
|
|
<a name="2924"><span class="lineNum"> 2924 </span> : else</a>
|
|
<a name="2925"><span class="lineNum"> 2925 </span> : {</a>
|
|
<a name="2926"><span class="lineNum"> 2926 </span><span class="lineNoCov"> 0 : expresult = 0;</span></a>
|
|
<a name="2927"><span class="lineNum"> 2927 </span><span class="lineNoCov"> 0 : if (okp)</span></a>
|
|
<a name="2928"><span class="lineNum"> 2928 </span><span class="lineNoCov"> 0 : *okp = 1;</span></a>
|
|
<a name="2929"><span class="lineNum"> 2929 </span> : }</a>
|
|
<a name="2930"><span class="lineNum"> 2930 </span><span class="lineNoCov"> 0 : return (expresult);</span></a>
|
|
<a name="2931"><span class="lineNum"> 2931 </span> : }</a>
|
|
<a name="2932"><span class="lineNum"> 2932 </span> : </a>
|
|
<a name="2933"><span class="lineNum"> 2933 </span> : static int</a>
|
|
<a name="2934"><span class="lineNum"> 2934 </span><span class="lineNoCov"> 0 : execute_arith_for_command (arith_for_command)</span></a>
|
|
<a name="2935"><span class="lineNum"> 2935 </span> : ARITH_FOR_COM *arith_for_command;</a>
|
|
<a name="2936"><span class="lineNum"> 2936 </span> : {</a>
|
|
<a name="2937"><span class="lineNum"> 2937 </span><span class="lineNoCov"> 0 : intmax_t expresult;</span></a>
|
|
<a name="2938"><span class="lineNum"> 2938 </span><span class="lineNoCov"> 0 : int expok, body_status, arith_lineno, save_lineno;</span></a>
|
|
<a name="2939"><span class="lineNum"> 2939 </span> : </a>
|
|
<a name="2940"><span class="lineNum"> 2940 </span><span class="lineNoCov"> 0 : body_status = EXECUTION_SUCCESS;</span></a>
|
|
<a name="2941"><span class="lineNum"> 2941 </span><span class="lineNoCov"> 0 : loop_level++;</span></a>
|
|
<a name="2942"><span class="lineNum"> 2942 </span><span class="lineNoCov"> 0 : save_lineno = line_number;</span></a>
|
|
<a name="2943"><span class="lineNum"> 2943 </span> : </a>
|
|
<a name="2944"><span class="lineNum"> 2944 </span><span class="lineNoCov"> 0 : if (arith_for_command->flags & CMD_IGNORE_RETURN)</span></a>
|
|
<a name="2945"><span class="lineNum"> 2945 </span><span class="lineNoCov"> 0 : arith_for_command->action->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="2946"><span class="lineNum"> 2946 </span> : </a>
|
|
<a name="2947"><span class="lineNum"> 2947 </span><span class="lineNoCov"> 0 : this_command_name = "(("; /* )) for expression error messages */</span></a>
|
|
<a name="2948"><span class="lineNum"> 2948 </span> : </a>
|
|
<a name="2949"><span class="lineNum"> 2949 </span> : /* save the starting line number of the command so we can reset</a>
|
|
<a name="2950"><span class="lineNum"> 2950 </span> : line_number before executing each expression -- for $LINENO</a>
|
|
<a name="2951"><span class="lineNum"> 2951 </span> : and the DEBUG trap. */</a>
|
|
<a name="2952"><span class="lineNum"> 2952 </span><span class="lineNoCov"> 0 : line_number = arith_lineno = arith_for_command->line;</span></a>
|
|
<a name="2953"><span class="lineNum"> 2953 </span><span class="lineNoCov"> 0 : if (variable_context && interactive_shell)</span></a>
|
|
<a name="2954"><span class="lineNum"> 2954 </span> : {</a>
|
|
<a name="2955"><span class="lineNum"> 2955 </span><span class="lineNoCov"> 0 : line_number -= function_line_number;</span></a>
|
|
<a name="2956"><span class="lineNum"> 2956 </span><span class="lineNoCov"> 0 : if (line_number < 0)</span></a>
|
|
<a name="2957"><span class="lineNum"> 2957 </span><span class="lineNoCov"> 0 : line_number = 0;</span></a>
|
|
<a name="2958"><span class="lineNum"> 2958 </span> : }</a>
|
|
<a name="2959"><span class="lineNum"> 2959 </span> : </a>
|
|
<a name="2960"><span class="lineNum"> 2960 </span> : /* Evaluate the initialization expression. */</a>
|
|
<a name="2961"><span class="lineNum"> 2961 </span><span class="lineNoCov"> 0 : expresult = eval_arith_for_expr (arith_for_command->init, &expok);</span></a>
|
|
<a name="2962"><span class="lineNum"> 2962 </span><span class="lineNoCov"> 0 : if (expok == 0)</span></a>
|
|
<a name="2963"><span class="lineNum"> 2963 </span> : {</a>
|
|
<a name="2964"><span class="lineNum"> 2964 </span><span class="lineNoCov"> 0 : line_number = save_lineno;</span></a>
|
|
<a name="2965"><span class="lineNum"> 2965 </span><span class="lineNoCov"> 0 : return (EXECUTION_FAILURE);</span></a>
|
|
<a name="2966"><span class="lineNum"> 2966 </span> : }</a>
|
|
<a name="2967"><span class="lineNum"> 2967 </span> : </a>
|
|
<a name="2968"><span class="lineNum"> 2968 </span><span class="lineNoCov"> 0 : while (1)</span></a>
|
|
<a name="2969"><span class="lineNum"> 2969 </span> : {</a>
|
|
<a name="2970"><span class="lineNum"> 2970 </span> : /* Evaluate the test expression. */</a>
|
|
<a name="2971"><span class="lineNum"> 2971 </span><span class="lineNoCov"> 0 : line_number = arith_lineno;</span></a>
|
|
<a name="2972"><span class="lineNum"> 2972 </span><span class="lineNoCov"> 0 : expresult = eval_arith_for_expr (arith_for_command->test, &expok);</span></a>
|
|
<a name="2973"><span class="lineNum"> 2973 </span><span class="lineNoCov"> 0 : line_number = save_lineno;</span></a>
|
|
<a name="2974"><span class="lineNum"> 2974 </span> : </a>
|
|
<a name="2975"><span class="lineNum"> 2975 </span><span class="lineNoCov"> 0 : if (expok == 0)</span></a>
|
|
<a name="2976"><span class="lineNum"> 2976 </span> : {</a>
|
|
<a name="2977"><span class="lineNum"> 2977 </span> : body_status = EXECUTION_FAILURE;</a>
|
|
<a name="2978"><span class="lineNum"> 2978 </span> : break;</a>
|
|
<a name="2979"><span class="lineNum"> 2979 </span> : }</a>
|
|
<a name="2980"><span class="lineNum"> 2980 </span><span class="lineNoCov"> 0 : REAP ();</span></a>
|
|
<a name="2981"><span class="lineNum"> 2981 </span><span class="lineNoCov"> 0 : if (expresult == 0)</span></a>
|
|
<a name="2982"><span class="lineNum"> 2982 </span> : break;</a>
|
|
<a name="2983"><span class="lineNum"> 2983 </span> : </a>
|
|
<a name="2984"><span class="lineNum"> 2984 </span> : /* Execute the body of the arithmetic for command. */</a>
|
|
<a name="2985"><span class="lineNum"> 2985 </span><span class="lineNoCov"> 0 : QUIT;</span></a>
|
|
<a name="2986"><span class="lineNum"> 2986 </span><span class="lineNoCov"> 0 : body_status = execute_command (arith_for_command->action);</span></a>
|
|
<a name="2987"><span class="lineNum"> 2987 </span><span class="lineNoCov"> 0 : QUIT;</span></a>
|
|
<a name="2988"><span class="lineNum"> 2988 </span> : </a>
|
|
<a name="2989"><span class="lineNum"> 2989 </span> : /* Handle any `break' or `continue' commands executed by the body. */</a>
|
|
<a name="2990"><span class="lineNum"> 2990 </span><span class="lineNoCov"> 0 : if (breaking)</span></a>
|
|
<a name="2991"><span class="lineNum"> 2991 </span> : {</a>
|
|
<a name="2992"><span class="lineNum"> 2992 </span><span class="lineNoCov"> 0 : breaking--;</span></a>
|
|
<a name="2993"><span class="lineNum"> 2993 </span><span class="lineNoCov"> 0 : break;</span></a>
|
|
<a name="2994"><span class="lineNum"> 2994 </span> : }</a>
|
|
<a name="2995"><span class="lineNum"> 2995 </span> : </a>
|
|
<a name="2996"><span class="lineNum"> 2996 </span><span class="lineNoCov"> 0 : if (continuing)</span></a>
|
|
<a name="2997"><span class="lineNum"> 2997 </span> : {</a>
|
|
<a name="2998"><span class="lineNum"> 2998 </span><span class="lineNoCov"> 0 : continuing--;</span></a>
|
|
<a name="2999"><span class="lineNum"> 2999 </span><span class="lineNoCov"> 0 : if (continuing)</span></a>
|
|
<a name="3000"><span class="lineNum"> 3000 </span> : break;</a>
|
|
<a name="3001"><span class="lineNum"> 3001 </span> : }</a>
|
|
<a name="3002"><span class="lineNum"> 3002 </span> : </a>
|
|
<a name="3003"><span class="lineNum"> 3003 </span> : /* Evaluate the step expression. */</a>
|
|
<a name="3004"><span class="lineNum"> 3004 </span><span class="lineNoCov"> 0 : line_number = arith_lineno;</span></a>
|
|
<a name="3005"><span class="lineNum"> 3005 </span><span class="lineNoCov"> 0 : expresult = eval_arith_for_expr (arith_for_command->step, &expok);</span></a>
|
|
<a name="3006"><span class="lineNum"> 3006 </span><span class="lineNoCov"> 0 : line_number = save_lineno;</span></a>
|
|
<a name="3007"><span class="lineNum"> 3007 </span> : </a>
|
|
<a name="3008"><span class="lineNum"> 3008 </span><span class="lineNoCov"> 0 : if (expok == 0)</span></a>
|
|
<a name="3009"><span class="lineNum"> 3009 </span> : {</a>
|
|
<a name="3010"><span class="lineNum"> 3010 </span> : body_status = EXECUTION_FAILURE;</a>
|
|
<a name="3011"><span class="lineNum"> 3011 </span> : break;</a>
|
|
<a name="3012"><span class="lineNum"> 3012 </span> : }</a>
|
|
<a name="3013"><span class="lineNum"> 3013 </span> : }</a>
|
|
<a name="3014"><span class="lineNum"> 3014 </span> : </a>
|
|
<a name="3015"><span class="lineNum"> 3015 </span><span class="lineNoCov"> 0 : loop_level--;</span></a>
|
|
<a name="3016"><span class="lineNum"> 3016 </span><span class="lineNoCov"> 0 : line_number = save_lineno;</span></a>
|
|
<a name="3017"><span class="lineNum"> 3017 </span> : </a>
|
|
<a name="3018"><span class="lineNum"> 3018 </span><span class="lineNoCov"> 0 : return (body_status);</span></a>
|
|
<a name="3019"><span class="lineNum"> 3019 </span> : }</a>
|
|
<a name="3020"><span class="lineNum"> 3020 </span> : #endif</a>
|
|
<a name="3021"><span class="lineNum"> 3021 </span> : </a>
|
|
<a name="3022"><span class="lineNum"> 3022 </span> : #if defined (SELECT_COMMAND)</a>
|
|
<a name="3023"><span class="lineNum"> 3023 </span> : static int COLS, tabsize;</a>
|
|
<a name="3024"><span class="lineNum"> 3024 </span> : </a>
|
|
<a name="3025"><span class="lineNum"> 3025 </span> : #define RP_SPACE ") "</a>
|
|
<a name="3026"><span class="lineNum"> 3026 </span> : #define RP_SPACE_LEN 2</a>
|
|
<a name="3027"><span class="lineNum"> 3027 </span> : </a>
|
|
<a name="3028"><span class="lineNum"> 3028 </span> : /* XXX - does not handle numbers > 1000000 at all. */</a>
|
|
<a name="3029"><span class="lineNum"> 3029 </span> : #define NUMBER_LEN(s) \</a>
|
|
<a name="3030"><span class="lineNum"> 3030 </span> : ((s < 10) ? 1 \</a>
|
|
<a name="3031"><span class="lineNum"> 3031 </span> : : ((s < 100) ? 2 \</a>
|
|
<a name="3032"><span class="lineNum"> 3032 </span> : : ((s < 1000) ? 3 \</a>
|
|
<a name="3033"><span class="lineNum"> 3033 </span> : : ((s < 10000) ? 4 \</a>
|
|
<a name="3034"><span class="lineNum"> 3034 </span> : : ((s < 100000) ? 5 \</a>
|
|
<a name="3035"><span class="lineNum"> 3035 </span> : : 6)))))</a>
|
|
<a name="3036"><span class="lineNum"> 3036 </span> : </a>
|
|
<a name="3037"><span class="lineNum"> 3037 </span> : static int</a>
|
|
<a name="3038"><span class="lineNum"> 3038 </span><span class="lineNoCov"> 0 : displen (s)</span></a>
|
|
<a name="3039"><span class="lineNum"> 3039 </span> : const char *s;</a>
|
|
<a name="3040"><span class="lineNum"> 3040 </span> : {</a>
|
|
<a name="3041"><span class="lineNum"> 3041 </span> : #if defined (HANDLE_MULTIBYTE)</a>
|
|
<a name="3042"><span class="lineNum"> 3042 </span><span class="lineNoCov"> 0 : wchar_t *wcstr;</span></a>
|
|
<a name="3043"><span class="lineNum"> 3043 </span><span class="lineNoCov"> 0 : size_t slen;</span></a>
|
|
<a name="3044"><span class="lineNum"> 3044 </span><span class="lineNoCov"> 0 : int wclen;</span></a>
|
|
<a name="3045"><span class="lineNum"> 3045 </span> : </a>
|
|
<a name="3046"><span class="lineNum"> 3046 </span><span class="lineNoCov"> 0 : wcstr = 0;</span></a>
|
|
<a name="3047"><span class="lineNum"> 3047 </span><span class="lineNoCov"> 0 : slen = mbstowcs (wcstr, s, 0);</span></a>
|
|
<a name="3048"><span class="lineNum"> 3048 </span><span class="lineNoCov"> 0 : if (slen == -1)</span></a>
|
|
<a name="3049"><span class="lineNum"> 3049 </span><span class="lineNoCov"> 0 : slen = 0;</span></a>
|
|
<a name="3050"><span class="lineNum"> 3050 </span><span class="lineNoCov"> 0 : wcstr = (wchar_t *)xmalloc (sizeof (wchar_t) * (slen + 1));</span></a>
|
|
<a name="3051"><span class="lineNum"> 3051 </span><span class="lineNoCov"> 0 : mbstowcs (wcstr, s, slen + 1);</span></a>
|
|
<a name="3052"><span class="lineNum"> 3052 </span><span class="lineNoCov"> 0 : wclen = wcswidth (wcstr, slen);</span></a>
|
|
<a name="3053"><span class="lineNum"> 3053 </span><span class="lineNoCov"> 0 : free (wcstr);</span></a>
|
|
<a name="3054"><span class="lineNum"> 3054 </span><span class="lineNoCov"> 0 : return (wclen < 0 ? STRLEN(s) : wclen);</span></a>
|
|
<a name="3055"><span class="lineNum"> 3055 </span> : #else</a>
|
|
<a name="3056"><span class="lineNum"> 3056 </span> : return (STRLEN (s));</a>
|
|
<a name="3057"><span class="lineNum"> 3057 </span> : #endif</a>
|
|
<a name="3058"><span class="lineNum"> 3058 </span> : }</a>
|
|
<a name="3059"><span class="lineNum"> 3059 </span> : </a>
|
|
<a name="3060"><span class="lineNum"> 3060 </span> : static int</a>
|
|
<a name="3061"><span class="lineNum"> 3061 </span><span class="lineNoCov"> 0 : print_index_and_element (len, ind, list)</span></a>
|
|
<a name="3062"><span class="lineNum"> 3062 </span> : int len, ind;</a>
|
|
<a name="3063"><span class="lineNum"> 3063 </span> : WORD_LIST *list;</a>
|
|
<a name="3064"><span class="lineNum"> 3064 </span> : {</a>
|
|
<a name="3065"><span class="lineNum"> 3065 </span><span class="lineNoCov"> 0 : register WORD_LIST *l;</span></a>
|
|
<a name="3066"><span class="lineNum"> 3066 </span><span class="lineNoCov"> 0 : register int i;</span></a>
|
|
<a name="3067"><span class="lineNum"> 3067 </span> : </a>
|
|
<a name="3068"><span class="lineNum"> 3068 </span><span class="lineNoCov"> 0 : if (list == 0)</span></a>
|
|
<a name="3069"><span class="lineNum"> 3069 </span> : return (0);</a>
|
|
<a name="3070"><span class="lineNum"> 3070 </span><span class="lineNoCov"> 0 : for (i = ind, l = list; l && --i; l = l->next)</span></a>
|
|
<a name="3071"><span class="lineNum"> 3071 </span><span class="lineNoCov"> 0 : ;</span></a>
|
|
<a name="3072"><span class="lineNum"> 3072 </span><span class="lineNoCov"> 0 : if (l == 0) /* don't think this can happen */</span></a>
|
|
<a name="3073"><span class="lineNum"> 3073 </span> : return (0);</a>
|
|
<a name="3074"><span class="lineNum"> 3074 </span><span class="lineNoCov"> 0 : fprintf (stderr, "%*d%s%s", len, ind, RP_SPACE, l->word->word);</span></a>
|
|
<a name="3075"><span class="lineNum"> 3075 </span><span class="lineNoCov"> 0 : return (displen (l->word->word));</span></a>
|
|
<a name="3076"><span class="lineNum"> 3076 </span> : }</a>
|
|
<a name="3077"><span class="lineNum"> 3077 </span> : </a>
|
|
<a name="3078"><span class="lineNum"> 3078 </span> : static void</a>
|
|
<a name="3079"><span class="lineNum"> 3079 </span><span class="lineNoCov"> 0 : indent (from, to)</span></a>
|
|
<a name="3080"><span class="lineNum"> 3080 </span> : int from, to;</a>
|
|
<a name="3081"><span class="lineNum"> 3081 </span> : {</a>
|
|
<a name="3082"><span class="lineNum"> 3082 </span><span class="lineNoCov"> 0 : while (from < to)</span></a>
|
|
<a name="3083"><span class="lineNum"> 3083 </span> : {</a>
|
|
<a name="3084"><span class="lineNum"> 3084 </span><span class="lineNoCov"> 0 : if ((to / tabsize) > (from / tabsize))</span></a>
|
|
<a name="3085"><span class="lineNum"> 3085 </span> : {</a>
|
|
<a name="3086"><span class="lineNum"> 3086 </span><span class="lineNoCov"> 0 : putc ('\t', stderr);</span></a>
|
|
<a name="3087"><span class="lineNum"> 3087 </span><span class="lineNoCov"> 0 : from += tabsize - from % tabsize;</span></a>
|
|
<a name="3088"><span class="lineNum"> 3088 </span> : }</a>
|
|
<a name="3089"><span class="lineNum"> 3089 </span> : else</a>
|
|
<a name="3090"><span class="lineNum"> 3090 </span> : {</a>
|
|
<a name="3091"><span class="lineNum"> 3091 </span><span class="lineNoCov"> 0 : putc (' ', stderr);</span></a>
|
|
<a name="3092"><span class="lineNum"> 3092 </span><span class="lineNoCov"> 0 : from++;</span></a>
|
|
<a name="3093"><span class="lineNum"> 3093 </span> : }</a>
|
|
<a name="3094"><span class="lineNum"> 3094 </span> : }</a>
|
|
<a name="3095"><span class="lineNum"> 3095 </span><span class="lineNoCov"> 0 : }</span></a>
|
|
<a name="3096"><span class="lineNum"> 3096 </span> : </a>
|
|
<a name="3097"><span class="lineNum"> 3097 </span> : static void</a>
|
|
<a name="3098"><span class="lineNum"> 3098 </span><span class="lineNoCov"> 0 : print_select_list (list, list_len, max_elem_len, indices_len)</span></a>
|
|
<a name="3099"><span class="lineNum"> 3099 </span> : WORD_LIST *list;</a>
|
|
<a name="3100"><span class="lineNum"> 3100 </span> : int list_len, max_elem_len, indices_len;</a>
|
|
<a name="3101"><span class="lineNum"> 3101 </span> : {</a>
|
|
<a name="3102"><span class="lineNum"> 3102 </span><span class="lineNoCov"> 0 : int ind, row, elem_len, pos, cols, rows;</span></a>
|
|
<a name="3103"><span class="lineNum"> 3103 </span><span class="lineNoCov"> 0 : int first_column_indices_len, other_indices_len;</span></a>
|
|
<a name="3104"><span class="lineNum"> 3104 </span> : </a>
|
|
<a name="3105"><span class="lineNum"> 3105 </span><span class="lineNoCov"> 0 : if (list == 0)</span></a>
|
|
<a name="3106"><span class="lineNum"> 3106 </span> : {</a>
|
|
<a name="3107"><span class="lineNum"> 3107 </span><span class="lineNoCov"> 0 : putc ('\n', stderr);</span></a>
|
|
<a name="3108"><span class="lineNum"> 3108 </span><span class="lineNoCov"> 0 : return;</span></a>
|
|
<a name="3109"><span class="lineNum"> 3109 </span> : }</a>
|
|
<a name="3110"><span class="lineNum"> 3110 </span> : </a>
|
|
<a name="3111"><span class="lineNum"> 3111 </span><span class="lineNoCov"> 0 : cols = max_elem_len ? COLS / max_elem_len : 1;</span></a>
|
|
<a name="3112"><span class="lineNum"> 3112 </span><span class="lineNoCov"> 0 : if (cols == 0)</span></a>
|
|
<a name="3113"><span class="lineNum"> 3113 </span><span class="lineNoCov"> 0 : cols = 1;</span></a>
|
|
<a name="3114"><span class="lineNum"> 3114 </span><span class="lineNoCov"> 0 : rows = list_len ? list_len / cols + (list_len % cols != 0) : 1;</span></a>
|
|
<a name="3115"><span class="lineNum"> 3115 </span><span class="lineNoCov"> 0 : cols = list_len ? list_len / rows + (list_len % rows != 0) : 1;</span></a>
|
|
<a name="3116"><span class="lineNum"> 3116 </span> : </a>
|
|
<a name="3117"><span class="lineNum"> 3117 </span><span class="lineNoCov"> 0 : if (rows == 1)</span></a>
|
|
<a name="3118"><span class="lineNum"> 3118 </span> : {</a>
|
|
<a name="3119"><span class="lineNum"> 3119 </span><span class="lineNoCov"> 0 : rows = cols;</span></a>
|
|
<a name="3120"><span class="lineNum"> 3120 </span><span class="lineNoCov"> 0 : cols = 1;</span></a>
|
|
<a name="3121"><span class="lineNum"> 3121 </span> : }</a>
|
|
<a name="3122"><span class="lineNum"> 3122 </span> : </a>
|
|
<a name="3123"><span class="lineNum"> 3123 </span><span class="lineNoCov"> 0 : first_column_indices_len = NUMBER_LEN (rows);</span></a>
|
|
<a name="3124"><span class="lineNum"> 3124 </span><span class="lineNoCov"> 0 : other_indices_len = indices_len;</span></a>
|
|
<a name="3125"><span class="lineNum"> 3125 </span> : </a>
|
|
<a name="3126"><span class="lineNum"> 3126 </span><span class="lineNoCov"> 0 : for (row = 0; row < rows; row++)</span></a>
|
|
<a name="3127"><span class="lineNum"> 3127 </span> : {</a>
|
|
<a name="3128"><span class="lineNum"> 3128 </span> : ind = row;</a>
|
|
<a name="3129"><span class="lineNum"> 3129 </span> : pos = 0;</a>
|
|
<a name="3130"><span class="lineNum"> 3130 </span><span class="lineNoCov"> 0 : while (1)</span></a>
|
|
<a name="3131"><span class="lineNum"> 3131 </span> : {</a>
|
|
<a name="3132"><span class="lineNum"> 3132 </span><span class="lineNoCov"> 0 : indices_len = (pos == 0) ? first_column_indices_len : other_indices_len;</span></a>
|
|
<a name="3133"><span class="lineNum"> 3133 </span><span class="lineNoCov"> 0 : elem_len = print_index_and_element (indices_len, ind + 1, list);</span></a>
|
|
<a name="3134"><span class="lineNum"> 3134 </span><span class="lineNoCov"> 0 : elem_len += indices_len + RP_SPACE_LEN;</span></a>
|
|
<a name="3135"><span class="lineNum"> 3135 </span><span class="lineNoCov"> 0 : ind += rows;</span></a>
|
|
<a name="3136"><span class="lineNum"> 3136 </span><span class="lineNoCov"> 0 : if (ind >= list_len)</span></a>
|
|
<a name="3137"><span class="lineNum"> 3137 </span> : break;</a>
|
|
<a name="3138"><span class="lineNum"> 3138 </span><span class="lineNoCov"> 0 : indent (pos + elem_len, pos + max_elem_len);</span></a>
|
|
<a name="3139"><span class="lineNum"> 3139 </span><span class="lineNoCov"> 0 : pos += max_elem_len;</span></a>
|
|
<a name="3140"><span class="lineNum"> 3140 </span> : }</a>
|
|
<a name="3141"><span class="lineNum"> 3141 </span><span class="lineNoCov"> 0 : putc ('\n', stderr);</span></a>
|
|
<a name="3142"><span class="lineNum"> 3142 </span> : }</a>
|
|
<a name="3143"><span class="lineNum"> 3143 </span> : }</a>
|
|
<a name="3144"><span class="lineNum"> 3144 </span> : </a>
|
|
<a name="3145"><span class="lineNum"> 3145 </span> : /* Print the elements of LIST, one per line, preceded by an index from 1 to</a>
|
|
<a name="3146"><span class="lineNum"> 3146 </span> : LIST_LEN. Then display PROMPT and wait for the user to enter a number.</a>
|
|
<a name="3147"><span class="lineNum"> 3147 </span> : If the number is between 1 and LIST_LEN, return that selection. If EOF</a>
|
|
<a name="3148"><span class="lineNum"> 3148 </span> : is read, return a null string. If a blank line is entered, or an invalid</a>
|
|
<a name="3149"><span class="lineNum"> 3149 </span> : number is entered, the loop is executed again. */</a>
|
|
<a name="3150"><span class="lineNum"> 3150 </span> : static char *</a>
|
|
<a name="3151"><span class="lineNum"> 3151 </span><span class="lineNoCov"> 0 : select_query (list, list_len, prompt, print_menu)</span></a>
|
|
<a name="3152"><span class="lineNum"> 3152 </span> : WORD_LIST *list;</a>
|
|
<a name="3153"><span class="lineNum"> 3153 </span> : int list_len;</a>
|
|
<a name="3154"><span class="lineNum"> 3154 </span> : char *prompt;</a>
|
|
<a name="3155"><span class="lineNum"> 3155 </span> : int print_menu;</a>
|
|
<a name="3156"><span class="lineNum"> 3156 </span> : {</a>
|
|
<a name="3157"><span class="lineNum"> 3157 </span><span class="lineNoCov"> 0 : int max_elem_len, indices_len, len;</span></a>
|
|
<a name="3158"><span class="lineNum"> 3158 </span><span class="lineNoCov"> 0 : intmax_t reply;</span></a>
|
|
<a name="3159"><span class="lineNum"> 3159 </span><span class="lineNoCov"> 0 : WORD_LIST *l;</span></a>
|
|
<a name="3160"><span class="lineNum"> 3160 </span><span class="lineNoCov"> 0 : char *repl_string, *t;</span></a>
|
|
<a name="3161"><span class="lineNum"> 3161 </span> : </a>
|
|
<a name="3162"><span class="lineNum"> 3162 </span> : #if 0</a>
|
|
<a name="3163"><span class="lineNum"> 3163 </span> : t = get_string_value ("LINES");</a>
|
|
<a name="3164"><span class="lineNum"> 3164 </span> : LINES = (t && *t) ? atoi (t) : 24;</a>
|
|
<a name="3165"><span class="lineNum"> 3165 </span> : #endif</a>
|
|
<a name="3166"><span class="lineNum"> 3166 </span><span class="lineNoCov"> 0 : t = get_string_value ("COLUMNS");</span></a>
|
|
<a name="3167"><span class="lineNum"> 3167 </span><span class="lineNoCov"> 0 : COLS = (t && *t) ? atoi (t) : 80;</span></a>
|
|
<a name="3168"><span class="lineNum"> 3168 </span> : </a>
|
|
<a name="3169"><span class="lineNum"> 3169 </span> : #if 0</a>
|
|
<a name="3170"><span class="lineNum"> 3170 </span> : t = get_string_value ("TABSIZE");</a>
|
|
<a name="3171"><span class="lineNum"> 3171 </span> : tabsize = (t && *t) ? atoi (t) : 8;</a>
|
|
<a name="3172"><span class="lineNum"> 3172 </span> : if (tabsize <= 0)</a>
|
|
<a name="3173"><span class="lineNum"> 3173 </span> : tabsize = 8;</a>
|
|
<a name="3174"><span class="lineNum"> 3174 </span> : #else</a>
|
|
<a name="3175"><span class="lineNum"> 3175 </span><span class="lineNoCov"> 0 : tabsize = 8;</span></a>
|
|
<a name="3176"><span class="lineNum"> 3176 </span> : #endif</a>
|
|
<a name="3177"><span class="lineNum"> 3177 </span> : </a>
|
|
<a name="3178"><span class="lineNum"> 3178 </span><span class="lineNoCov"> 0 : max_elem_len = 0;</span></a>
|
|
<a name="3179"><span class="lineNum"> 3179 </span><span class="lineNoCov"> 0 : for (l = list; l; l = l->next)</span></a>
|
|
<a name="3180"><span class="lineNum"> 3180 </span> : {</a>
|
|
<a name="3181"><span class="lineNum"> 3181 </span><span class="lineNoCov"> 0 : len = displen (l->word->word);</span></a>
|
|
<a name="3182"><span class="lineNum"> 3182 </span><span class="lineNoCov"> 0 : if (len > max_elem_len)</span></a>
|
|
<a name="3183"><span class="lineNum"> 3183 </span><span class="lineNoCov"> 0 : max_elem_len = len;</span></a>
|
|
<a name="3184"><span class="lineNum"> 3184 </span> : }</a>
|
|
<a name="3185"><span class="lineNum"> 3185 </span><span class="lineNoCov"> 0 : indices_len = NUMBER_LEN (list_len);</span></a>
|
|
<a name="3186"><span class="lineNum"> 3186 </span><span class="lineNoCov"> 0 : max_elem_len += indices_len + RP_SPACE_LEN + 2;</span></a>
|
|
<a name="3187"><span class="lineNum"> 3187 </span> : </a>
|
|
<a name="3188"><span class="lineNum"> 3188 </span><span class="lineNoCov"> 0 : while (1)</span></a>
|
|
<a name="3189"><span class="lineNum"> 3189 </span> : {</a>
|
|
<a name="3190"><span class="lineNum"> 3190 </span><span class="lineNoCov"> 0 : if (print_menu)</span></a>
|
|
<a name="3191"><span class="lineNum"> 3191 </span><span class="lineNoCov"> 0 : print_select_list (list, list_len, max_elem_len, indices_len);</span></a>
|
|
<a name="3192"><span class="lineNum"> 3192 </span><span class="lineNoCov"> 0 : fprintf (stderr, "%s", prompt);</span></a>
|
|
<a name="3193"><span class="lineNum"> 3193 </span><span class="lineNoCov"> 0 : fflush (stderr);</span></a>
|
|
<a name="3194"><span class="lineNum"> 3194 </span><span class="lineNoCov"> 0 : QUIT;</span></a>
|
|
<a name="3195"><span class="lineNum"> 3195 </span> : </a>
|
|
<a name="3196"><span class="lineNum"> 3196 </span><span class="lineNoCov"> 0 : if (read_builtin ((WORD_LIST *)NULL) != EXECUTION_SUCCESS)</span></a>
|
|
<a name="3197"><span class="lineNum"> 3197 </span> : {</a>
|
|
<a name="3198"><span class="lineNum"> 3198 </span><span class="lineNoCov"> 0 : putchar ('\n');</span></a>
|
|
<a name="3199"><span class="lineNum"> 3199 </span><span class="lineNoCov"> 0 : return ((char *)NULL);</span></a>
|
|
<a name="3200"><span class="lineNum"> 3200 </span> : }</a>
|
|
<a name="3201"><span class="lineNum"> 3201 </span><span class="lineNoCov"> 0 : repl_string = get_string_value ("REPLY");</span></a>
|
|
<a name="3202"><span class="lineNum"> 3202 </span><span class="lineNoCov"> 0 : if (repl_string == 0)</span></a>
|
|
<a name="3203"><span class="lineNum"> 3203 </span> : return ((char *)NULL);</a>
|
|
<a name="3204"><span class="lineNum"> 3204 </span><span class="lineNoCov"> 0 : if (*repl_string == 0)</span></a>
|
|
<a name="3205"><span class="lineNum"> 3205 </span> : {</a>
|
|
<a name="3206"><span class="lineNum"> 3206 </span> : print_menu = 1;</a>
|
|
<a name="3207"><span class="lineNum"> 3207 </span> : continue;</a>
|
|
<a name="3208"><span class="lineNum"> 3208 </span> : }</a>
|
|
<a name="3209"><span class="lineNum"> 3209 </span><span class="lineNoCov"> 0 : if (legal_number (repl_string, &reply) == 0)</span></a>
|
|
<a name="3210"><span class="lineNum"> 3210 </span> : return "";</a>
|
|
<a name="3211"><span class="lineNum"> 3211 </span><span class="lineNoCov"> 0 : if (reply < 1 || reply > list_len)</span></a>
|
|
<a name="3212"><span class="lineNum"> 3212 </span> : return "";</a>
|
|
<a name="3213"><span class="lineNum"> 3213 </span> : </a>
|
|
<a name="3214"><span class="lineNum"> 3214 </span><span class="lineNoCov"> 0 : for (l = list; l && --reply; l = l->next)</span></a>
|
|
<a name="3215"><span class="lineNum"> 3215 </span><span class="lineNoCov"> 0 : ;</span></a>
|
|
<a name="3216"><span class="lineNum"> 3216 </span><span class="lineNoCov"> 0 : return (l->word->word); /* XXX - can't be null? */</span></a>
|
|
<a name="3217"><span class="lineNum"> 3217 </span> : }</a>
|
|
<a name="3218"><span class="lineNum"> 3218 </span> : }</a>
|
|
<a name="3219"><span class="lineNum"> 3219 </span> : </a>
|
|
<a name="3220"><span class="lineNum"> 3220 </span> : /* Execute a SELECT command. The syntax is:</a>
|
|
<a name="3221"><span class="lineNum"> 3221 </span> : SELECT word IN list DO command_list DONE</a>
|
|
<a name="3222"><span class="lineNum"> 3222 </span> : Only `break' or `return' in command_list will terminate</a>
|
|
<a name="3223"><span class="lineNum"> 3223 </span> : the command. */</a>
|
|
<a name="3224"><span class="lineNum"> 3224 </span> : static int</a>
|
|
<a name="3225"><span class="lineNum"> 3225 </span><span class="lineNoCov"> 0 : execute_select_command (select_command)</span></a>
|
|
<a name="3226"><span class="lineNum"> 3226 </span> : SELECT_COM *select_command;</a>
|
|
<a name="3227"><span class="lineNum"> 3227 </span> : {</a>
|
|
<a name="3228"><span class="lineNum"> 3228 </span><span class="lineNoCov"> 0 : WORD_LIST *releaser, *list;</span></a>
|
|
<a name="3229"><span class="lineNum"> 3229 </span><span class="lineNoCov"> 0 : SHELL_VAR *v;</span></a>
|
|
<a name="3230"><span class="lineNum"> 3230 </span><span class="lineNoCov"> 0 : char *identifier, *ps3_prompt, *selection;</span></a>
|
|
<a name="3231"><span class="lineNum"> 3231 </span><span class="lineNoCov"> 0 : int retval, list_len, show_menu, save_line_number;</span></a>
|
|
<a name="3232"><span class="lineNum"> 3232 </span> : </a>
|
|
<a name="3233"><span class="lineNum"> 3233 </span><span class="lineNoCov"> 0 : if (check_identifier (select_command->name, 1) == 0)</span></a>
|
|
<a name="3234"><span class="lineNum"> 3234 </span> : return (EXECUTION_FAILURE);</a>
|
|
<a name="3235"><span class="lineNum"> 3235 </span> : </a>
|
|
<a name="3236"><span class="lineNum"> 3236 </span><span class="lineNoCov"> 0 : save_line_number = line_number;</span></a>
|
|
<a name="3237"><span class="lineNum"> 3237 </span><span class="lineNoCov"> 0 : line_number = select_command->line;</span></a>
|
|
<a name="3238"><span class="lineNum"> 3238 </span> : </a>
|
|
<a name="3239"><span class="lineNum"> 3239 </span><span class="lineNoCov"> 0 : command_string_index = 0;</span></a>
|
|
<a name="3240"><span class="lineNum"> 3240 </span><span class="lineNoCov"> 0 : print_select_command_head (select_command);</span></a>
|
|
<a name="3241"><span class="lineNum"> 3241 </span> : </a>
|
|
<a name="3242"><span class="lineNum"> 3242 </span><span class="lineNoCov"> 0 : if (echo_command_at_execute)</span></a>
|
|
<a name="3243"><span class="lineNum"> 3243 </span><span class="lineNoCov"> 0 : xtrace_print_select_command_head (select_command);</span></a>
|
|
<a name="3244"><span class="lineNum"> 3244 </span> : </a>
|
|
<a name="3245"><span class="lineNum"> 3245 </span> : #if 0</a>
|
|
<a name="3246"><span class="lineNum"> 3246 </span> : if (signal_in_progress (DEBUG_TRAP) == 0 && (this_command_name == 0 || (STREQ (this_command_name, "trap") == 0)))</a>
|
|
<a name="3247"><span class="lineNum"> 3247 </span> : #else</a>
|
|
<a name="3248"><span class="lineNum"> 3248 </span><span class="lineNoCov"> 0 : if (signal_in_progress (DEBUG_TRAP) == 0 && running_trap == 0)</span></a>
|
|
<a name="3249"><span class="lineNum"> 3249 </span> : #endif</a>
|
|
<a name="3250"><span class="lineNum"> 3250 </span> : {</a>
|
|
<a name="3251"><span class="lineNum"> 3251 </span><span class="lineNoCov"> 0 : FREE (the_printed_command_except_trap);</span></a>
|
|
<a name="3252"><span class="lineNum"> 3252 </span><span class="lineNoCov"> 0 : the_printed_command_except_trap = savestring (the_printed_command);</span></a>
|
|
<a name="3253"><span class="lineNum"> 3253 </span> : }</a>
|
|
<a name="3254"><span class="lineNum"> 3254 </span> : </a>
|
|
<a name="3255"><span class="lineNum"> 3255 </span><span class="lineNoCov"> 0 : retval = run_debug_trap ();</span></a>
|
|
<a name="3256"><span class="lineNum"> 3256 </span> : #if defined (DEBUGGER)</a>
|
|
<a name="3257"><span class="lineNum"> 3257 </span> : /* In debugging mode, if the DEBUG trap returns a non-zero status, we</a>
|
|
<a name="3258"><span class="lineNum"> 3258 </span> : skip the command. */</a>
|
|
<a name="3259"><span class="lineNum"> 3259 </span><span class="lineNoCov"> 0 : if (debugging_mode && retval != EXECUTION_SUCCESS)</span></a>
|
|
<a name="3260"><span class="lineNum"> 3260 </span> : return (EXECUTION_SUCCESS);</a>
|
|
<a name="3261"><span class="lineNum"> 3261 </span> : #endif</a>
|
|
<a name="3262"><span class="lineNum"> 3262 </span> : </a>
|
|
<a name="3263"><span class="lineNum"> 3263 </span><span class="lineNoCov"> 0 : loop_level++;</span></a>
|
|
<a name="3264"><span class="lineNum"> 3264 </span><span class="lineNoCov"> 0 : identifier = select_command->name->word;</span></a>
|
|
<a name="3265"><span class="lineNum"> 3265 </span> : </a>
|
|
<a name="3266"><span class="lineNum"> 3266 </span> : /* command and arithmetic substitution, parameter and variable expansion,</a>
|
|
<a name="3267"><span class="lineNum"> 3267 </span> : word splitting, pathname expansion, and quote removal. */</a>
|
|
<a name="3268"><span class="lineNum"> 3268 </span><span class="lineNoCov"> 0 : list = releaser = expand_words_no_vars (select_command->map_list);</span></a>
|
|
<a name="3269"><span class="lineNum"> 3269 </span><span class="lineNoCov"> 0 : list_len = list_length (list);</span></a>
|
|
<a name="3270"><span class="lineNum"> 3270 </span><span class="lineNoCov"> 0 : if (list == 0 || list_len == 0)</span></a>
|
|
<a name="3271"><span class="lineNum"> 3271 </span> : {</a>
|
|
<a name="3272"><span class="lineNum"> 3272 </span><span class="lineNoCov"> 0 : if (list)</span></a>
|
|
<a name="3273"><span class="lineNum"> 3273 </span><span class="lineNoCov"> 0 : dispose_words (list);</span></a>
|
|
<a name="3274"><span class="lineNum"> 3274 </span><span class="lineNoCov"> 0 : line_number = save_line_number;</span></a>
|
|
<a name="3275"><span class="lineNum"> 3275 </span><span class="lineNoCov"> 0 : return (EXECUTION_SUCCESS);</span></a>
|
|
<a name="3276"><span class="lineNum"> 3276 </span> : }</a>
|
|
<a name="3277"><span class="lineNum"> 3277 </span> : </a>
|
|
<a name="3278"><span class="lineNum"> 3278 </span><span class="lineNoCov"> 0 : begin_unwind_frame ("select");</span></a>
|
|
<a name="3279"><span class="lineNum"> 3279 </span><span class="lineNoCov"> 0 : add_unwind_protect (dispose_words, releaser);</span></a>
|
|
<a name="3280"><span class="lineNum"> 3280 </span> : </a>
|
|
<a name="3281"><span class="lineNum"> 3281 </span><span class="lineNoCov"> 0 : if (select_command->flags & CMD_IGNORE_RETURN)</span></a>
|
|
<a name="3282"><span class="lineNum"> 3282 </span><span class="lineNoCov"> 0 : select_command->action->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="3283"><span class="lineNum"> 3283 </span> : </a>
|
|
<a name="3284"><span class="lineNum"> 3284 </span> : retval = EXECUTION_SUCCESS;</a>
|
|
<a name="3285"><span class="lineNum"> 3285 </span> : show_menu = 1;</a>
|
|
<a name="3286"><span class="lineNum"> 3286 </span> : </a>
|
|
<a name="3287"><span class="lineNum"> 3287 </span><span class="lineNoCov"> 0 : while (1)</span></a>
|
|
<a name="3288"><span class="lineNum"> 3288 </span> : {</a>
|
|
<a name="3289"><span class="lineNum"> 3289 </span><span class="lineNoCov"> 0 : line_number = select_command->line;</span></a>
|
|
<a name="3290"><span class="lineNum"> 3290 </span><span class="lineNoCov"> 0 : ps3_prompt = get_string_value ("PS3");</span></a>
|
|
<a name="3291"><span class="lineNum"> 3291 </span><span class="lineNoCov"> 0 : if (ps3_prompt == 0)</span></a>
|
|
<a name="3292"><span class="lineNum"> 3292 </span><span class="lineNoCov"> 0 : ps3_prompt = "#? ";</span></a>
|
|
<a name="3293"><span class="lineNum"> 3293 </span> : </a>
|
|
<a name="3294"><span class="lineNum"> 3294 </span><span class="lineNoCov"> 0 : QUIT;</span></a>
|
|
<a name="3295"><span class="lineNum"> 3295 </span><span class="lineNoCov"> 0 : selection = select_query (list, list_len, ps3_prompt, show_menu);</span></a>
|
|
<a name="3296"><span class="lineNum"> 3296 </span><span class="lineNoCov"> 0 : QUIT;</span></a>
|
|
<a name="3297"><span class="lineNum"> 3297 </span><span class="lineNoCov"> 0 : if (selection == 0)</span></a>
|
|
<a name="3298"><span class="lineNum"> 3298 </span> : {</a>
|
|
<a name="3299"><span class="lineNum"> 3299 </span> : /* select_query returns EXECUTION_FAILURE if the read builtin</a>
|
|
<a name="3300"><span class="lineNum"> 3300 </span> : fails, so we want to return failure in this case. */</a>
|
|
<a name="3301"><span class="lineNum"> 3301 </span> : retval = EXECUTION_FAILURE;</a>
|
|
<a name="3302"><span class="lineNum"> 3302 </span> : break;</a>
|
|
<a name="3303"><span class="lineNum"> 3303 </span> : }</a>
|
|
<a name="3304"><span class="lineNum"> 3304 </span> : </a>
|
|
<a name="3305"><span class="lineNum"> 3305 </span><span class="lineNoCov"> 0 : v = bind_variable (identifier, selection, 0);</span></a>
|
|
<a name="3306"><span class="lineNum"> 3306 </span><span class="lineNoCov"> 0 : if (v == 0 || readonly_p (v) || noassign_p (v))</span></a>
|
|
<a name="3307"><span class="lineNum"> 3307 </span> : {</a>
|
|
<a name="3308"><span class="lineNum"> 3308 </span><span class="lineNoCov"> 0 : if (v && readonly_p (v) && interactive_shell == 0 && posixly_correct)</span></a>
|
|
<a name="3309"><span class="lineNum"> 3309 </span> : {</a>
|
|
<a name="3310"><span class="lineNum"> 3310 </span><span class="lineNoCov"> 0 : last_command_exit_value = EXECUTION_FAILURE;</span></a>
|
|
<a name="3311"><span class="lineNum"> 3311 </span><span class="lineNoCov"> 0 : jump_to_top_level (FORCE_EOF);</span></a>
|
|
<a name="3312"><span class="lineNum"> 3312 </span> : }</a>
|
|
<a name="3313"><span class="lineNum"> 3313 </span> : else</a>
|
|
<a name="3314"><span class="lineNum"> 3314 </span> : {</a>
|
|
<a name="3315"><span class="lineNum"> 3315 </span><span class="lineNoCov"> 0 : dispose_words (releaser);</span></a>
|
|
<a name="3316"><span class="lineNum"> 3316 </span><span class="lineNoCov"> 0 : discard_unwind_frame ("select");</span></a>
|
|
<a name="3317"><span class="lineNum"> 3317 </span><span class="lineNoCov"> 0 : loop_level--;</span></a>
|
|
<a name="3318"><span class="lineNum"> 3318 </span><span class="lineNoCov"> 0 : line_number = save_line_number;</span></a>
|
|
<a name="3319"><span class="lineNum"> 3319 </span><span class="lineNoCov"> 0 : return (EXECUTION_FAILURE);</span></a>
|
|
<a name="3320"><span class="lineNum"> 3320 </span> : }</a>
|
|
<a name="3321"><span class="lineNum"> 3321 </span> : }</a>
|
|
<a name="3322"><span class="lineNum"> 3322 </span> : </a>
|
|
<a name="3323"><span class="lineNum"> 3323 </span><span class="lineNoCov"> 0 : retval = execute_command (select_command->action);</span></a>
|
|
<a name="3324"><span class="lineNum"> 3324 </span> : </a>
|
|
<a name="3325"><span class="lineNum"> 3325 </span><span class="lineNoCov"> 0 : REAP ();</span></a>
|
|
<a name="3326"><span class="lineNum"> 3326 </span><span class="lineNoCov"> 0 : QUIT;</span></a>
|
|
<a name="3327"><span class="lineNum"> 3327 </span> : </a>
|
|
<a name="3328"><span class="lineNum"> 3328 </span><span class="lineNoCov"> 0 : if (breaking)</span></a>
|
|
<a name="3329"><span class="lineNum"> 3329 </span> : {</a>
|
|
<a name="3330"><span class="lineNum"> 3330 </span><span class="lineNoCov"> 0 : breaking--;</span></a>
|
|
<a name="3331"><span class="lineNum"> 3331 </span><span class="lineNoCov"> 0 : break;</span></a>
|
|
<a name="3332"><span class="lineNum"> 3332 </span> : }</a>
|
|
<a name="3333"><span class="lineNum"> 3333 </span> : </a>
|
|
<a name="3334"><span class="lineNum"> 3334 </span><span class="lineNoCov"> 0 : if (continuing)</span></a>
|
|
<a name="3335"><span class="lineNum"> 3335 </span> : {</a>
|
|
<a name="3336"><span class="lineNum"> 3336 </span><span class="lineNoCov"> 0 : continuing--;</span></a>
|
|
<a name="3337"><span class="lineNum"> 3337 </span><span class="lineNoCov"> 0 : if (continuing)</span></a>
|
|
<a name="3338"><span class="lineNum"> 3338 </span> : break;</a>
|
|
<a name="3339"><span class="lineNum"> 3339 </span> : }</a>
|
|
<a name="3340"><span class="lineNum"> 3340 </span> : </a>
|
|
<a name="3341"><span class="lineNum"> 3341 </span> : #if defined (KSH_COMPATIBLE_SELECT)</a>
|
|
<a name="3342"><span class="lineNum"> 3342 </span><span class="lineNoCov"> 0 : show_menu = 0;</span></a>
|
|
<a name="3343"><span class="lineNum"> 3343 </span><span class="lineNoCov"> 0 : selection = get_string_value ("REPLY");</span></a>
|
|
<a name="3344"><span class="lineNum"> 3344 </span><span class="lineNoCov"> 0 : if (selection && *selection == '\0')</span></a>
|
|
<a name="3345"><span class="lineNum"> 3345 </span><span class="lineNoCov"> 0 : show_menu = 1;</span></a>
|
|
<a name="3346"><span class="lineNum"> 3346 </span> : #endif</a>
|
|
<a name="3347"><span class="lineNum"> 3347 </span> : }</a>
|
|
<a name="3348"><span class="lineNum"> 3348 </span> : </a>
|
|
<a name="3349"><span class="lineNum"> 3349 </span><span class="lineNoCov"> 0 : loop_level--;</span></a>
|
|
<a name="3350"><span class="lineNum"> 3350 </span><span class="lineNoCov"> 0 : line_number = save_line_number;</span></a>
|
|
<a name="3351"><span class="lineNum"> 3351 </span> : </a>
|
|
<a name="3352"><span class="lineNum"> 3352 </span><span class="lineNoCov"> 0 : dispose_words (releaser);</span></a>
|
|
<a name="3353"><span class="lineNum"> 3353 </span><span class="lineNoCov"> 0 : discard_unwind_frame ("select");</span></a>
|
|
<a name="3354"><span class="lineNum"> 3354 </span><span class="lineNoCov"> 0 : return (retval);</span></a>
|
|
<a name="3355"><span class="lineNum"> 3355 </span> : }</a>
|
|
<a name="3356"><span class="lineNum"> 3356 </span> : #endif /* SELECT_COMMAND */</a>
|
|
<a name="3357"><span class="lineNum"> 3357 </span> : </a>
|
|
<a name="3358"><span class="lineNum"> 3358 </span> : /* Execute a CASE command. The syntax is: CASE word_desc IN pattern_list ESAC.</a>
|
|
<a name="3359"><span class="lineNum"> 3359 </span> : The pattern_list is a linked list of pattern clauses; each clause contains</a>
|
|
<a name="3360"><span class="lineNum"> 3360 </span> : some patterns to compare word_desc against, and an associated command to</a>
|
|
<a name="3361"><span class="lineNum"> 3361 </span> : execute. */</a>
|
|
<a name="3362"><span class="lineNum"> 3362 </span> : static int</a>
|
|
<a name="3363"><span class="lineNum"> 3363 </span><span class="lineCov"> 5643862 : execute_case_command (case_command)</span></a>
|
|
<a name="3364"><span class="lineNum"> 3364 </span> : CASE_COM *case_command;</a>
|
|
<a name="3365"><span class="lineNum"> 3365 </span> : {</a>
|
|
<a name="3366"><span class="lineNum"> 3366 </span><span class="lineCov"> 5643862 : register WORD_LIST *list;</span></a>
|
|
<a name="3367"><span class="lineNum"> 3367 </span><span class="lineCov"> 5643862 : WORD_LIST *wlist, *es;</span></a>
|
|
<a name="3368"><span class="lineNum"> 3368 </span><span class="lineCov"> 5643862 : PATTERN_LIST *clauses;</span></a>
|
|
<a name="3369"><span class="lineNum"> 3369 </span><span class="lineCov"> 5643862 : char *word, *pattern;</span></a>
|
|
<a name="3370"><span class="lineNum"> 3370 </span><span class="lineCov"> 5643862 : int retval, match, ignore_return, save_line_number;</span></a>
|
|
<a name="3371"><span class="lineNum"> 3371 </span> : </a>
|
|
<a name="3372"><span class="lineNum"> 3372 </span><span class="lineCov"> 5643862 : save_line_number = line_number;</span></a>
|
|
<a name="3373"><span class="lineNum"> 3373 </span><span class="lineCov"> 5643862 : line_number = case_command->line;</span></a>
|
|
<a name="3374"><span class="lineNum"> 3374 </span> : </a>
|
|
<a name="3375"><span class="lineNum"> 3375 </span><span class="lineCov"> 5643862 : command_string_index = 0;</span></a>
|
|
<a name="3376"><span class="lineNum"> 3376 </span><span class="lineCov"> 5643862 : print_case_command_head (case_command);</span></a>
|
|
<a name="3377"><span class="lineNum"> 3377 </span> : </a>
|
|
<a name="3378"><span class="lineNum"> 3378 </span><span class="lineCov"> 5643862 : if (echo_command_at_execute)</span></a>
|
|
<a name="3379"><span class="lineNum"> 3379 </span><span class="lineNoCov"> 0 : xtrace_print_case_command_head (case_command);</span></a>
|
|
<a name="3380"><span class="lineNum"> 3380 </span> : </a>
|
|
<a name="3381"><span class="lineNum"> 3381 </span> : #if 0</a>
|
|
<a name="3382"><span class="lineNum"> 3382 </span> : if (signal_in_progress (DEBUG_TRAP) == 0 && (this_command_name == 0 || (STREQ (this_command_name, "trap") == 0)))</a>
|
|
<a name="3383"><span class="lineNum"> 3383 </span> : #else</a>
|
|
<a name="3384"><span class="lineNum"> 3384 </span><span class="lineCov"> 5643862 : if (signal_in_progress (DEBUG_TRAP) == 0 && running_trap == 0)</span></a>
|
|
<a name="3385"><span class="lineNum"> 3385 </span> : #endif</a>
|
|
<a name="3386"><span class="lineNum"> 3386 </span> : {</a>
|
|
<a name="3387"><span class="lineNum"> 3387 </span><span class="lineCov"> 5643862 : FREE (the_printed_command_except_trap);</span></a>
|
|
<a name="3388"><span class="lineNum"> 3388 </span><span class="lineCov"> 5643862 : the_printed_command_except_trap = savestring (the_printed_command);</span></a>
|
|
<a name="3389"><span class="lineNum"> 3389 </span> : }</a>
|
|
<a name="3390"><span class="lineNum"> 3390 </span> : </a>
|
|
<a name="3391"><span class="lineNum"> 3391 </span><span class="lineCov"> 5643862 : retval = run_debug_trap();</span></a>
|
|
<a name="3392"><span class="lineNum"> 3392 </span> : #if defined (DEBUGGER)</a>
|
|
<a name="3393"><span class="lineNum"> 3393 </span> : /* In debugging mode, if the DEBUG trap returns a non-zero status, we</a>
|
|
<a name="3394"><span class="lineNum"> 3394 </span> : skip the command. */</a>
|
|
<a name="3395"><span class="lineNum"> 3395 </span><span class="lineCov"> 5643862 : if (debugging_mode && retval != EXECUTION_SUCCESS)</span></a>
|
|
<a name="3396"><span class="lineNum"> 3396 </span> : {</a>
|
|
<a name="3397"><span class="lineNum"> 3397 </span><span class="lineNoCov"> 0 : line_number = save_line_number;</span></a>
|
|
<a name="3398"><span class="lineNum"> 3398 </span><span class="lineNoCov"> 0 : return (EXECUTION_SUCCESS);</span></a>
|
|
<a name="3399"><span class="lineNum"> 3399 </span> : }</a>
|
|
<a name="3400"><span class="lineNum"> 3400 </span> : #endif</a>
|
|
<a name="3401"><span class="lineNum"> 3401 </span> : </a>
|
|
<a name="3402"><span class="lineNum"> 3402 </span><span class="lineCov"> 5643862 : wlist = expand_word_unsplit (case_command->word, 0);</span></a>
|
|
<a name="3403"><span class="lineNum"> 3403 </span><span class="lineCov"> 5643862 : word = wlist ? string_list (wlist) : savestring ("");</span></a>
|
|
<a name="3404"><span class="lineNum"> 3404 </span><span class="lineCov"> 5643862 : dispose_words (wlist);</span></a>
|
|
<a name="3405"><span class="lineNum"> 3405 </span> : </a>
|
|
<a name="3406"><span class="lineNum"> 3406 </span><span class="lineCov"> 5643862 : retval = EXECUTION_SUCCESS;</span></a>
|
|
<a name="3407"><span class="lineNum"> 3407 </span><span class="lineCov"> 5643862 : ignore_return = case_command->flags & CMD_IGNORE_RETURN;</span></a>
|
|
<a name="3408"><span class="lineNum"> 3408 </span> : </a>
|
|
<a name="3409"><span class="lineNum"> 3409 </span><span class="lineCov"> 5643862 : begin_unwind_frame ("case");</span></a>
|
|
<a name="3410"><span class="lineNum"> 3410 </span><span class="lineCov"> 5643862 : add_unwind_protect (xfree, word);</span></a>
|
|
<a name="3411"><span class="lineNum"> 3411 </span> : </a>
|
|
<a name="3412"><span class="lineNum"> 3412 </span> : #define EXIT_CASE() goto exit_case_command</a>
|
|
<a name="3413"><span class="lineNum"> 3413 </span> : </a>
|
|
<a name="3414"><span class="lineNum"> 3414 </span><span class="lineCov"> 37794074 : for (clauses = case_command->clauses; clauses; clauses = clauses->next)</span></a>
|
|
<a name="3415"><span class="lineNum"> 3415 </span> : {</a>
|
|
<a name="3416"><span class="lineNum"> 3416 </span><span class="lineCov"> 37782528 : QUIT;</span></a>
|
|
<a name="3417"><span class="lineNum"> 3417 </span><span class="lineCov"> 75571716 : for (list = clauses->patterns; list; list = list->next)</span></a>
|
|
<a name="3418"><span class="lineNum"> 3418 </span> : {</a>
|
|
<a name="3419"><span class="lineNum"> 3419 </span><span class="lineCov"> 43421514 : es = expand_word_leave_quoted (list->word, 0);</span></a>
|
|
<a name="3420"><span class="lineNum"> 3420 </span> : </a>
|
|
<a name="3421"><span class="lineNum"> 3421 </span><span class="lineCov"> 43421514 : if (es && es->word && es->word->word && *(es->word->word))</span></a>
|
|
<a name="3422"><span class="lineNum"> 3422 </span><span class="lineCov"> 43421424 : pattern = quote_string_for_globbing (es->word->word, QGLOB_CVTNULL);</span></a>
|
|
<a name="3423"><span class="lineNum"> 3423 </span> : else</a>
|
|
<a name="3424"><span class="lineNum"> 3424 </span> : {</a>
|
|
<a name="3425"><span class="lineNum"> 3425 </span><span class="lineCov"> 90 : pattern = (char *)xmalloc (1);</span></a>
|
|
<a name="3426"><span class="lineNum"> 3426 </span><span class="lineCov"> 90 : pattern[0] = '\0';</span></a>
|
|
<a name="3427"><span class="lineNum"> 3427 </span> : }</a>
|
|
<a name="3428"><span class="lineNum"> 3428 </span> : </a>
|
|
<a name="3429"><span class="lineNum"> 3429 </span> : /* Since the pattern does not undergo quote removal (as per</a>
|
|
<a name="3430"><span class="lineNum"> 3430 </span> : Posix.2, section 3.9.4.3), the strmatch () call must be able</a>
|
|
<a name="3431"><span class="lineNum"> 3431 </span> : to recognize backslashes as escape characters. */</a>
|
|
<a name="3432"><span class="lineNum"> 3432 </span><span class="lineCov"> 130264542 : match = strmatch (pattern, word, FNMATCH_EXTFLAG|FNMATCH_IGNCASE) != FNM_NOMATCH;</span></a>
|
|
<a name="3433"><span class="lineNum"> 3433 </span><span class="lineCov"> 43421514 : free (pattern);</span></a>
|
|
<a name="3434"><span class="lineNum"> 3434 </span> : </a>
|
|
<a name="3435"><span class="lineNum"> 3435 </span><span class="lineCov"> 43421514 : dispose_words (es);</span></a>
|
|
<a name="3436"><span class="lineNum"> 3436 </span> : </a>
|
|
<a name="3437"><span class="lineNum"> 3437 </span><span class="lineCov"> 43421514 : if (match)</span></a>
|
|
<a name="3438"><span class="lineNum"> 3438 </span> : {</a>
|
|
<a name="3439"><span class="lineNum"> 3439 </span><span class="lineCov"> 5632326 : do</span></a>
|
|
<a name="3440"><span class="lineNum"> 3440 </span> : {</a>
|
|
<a name="3441"><span class="lineNum"> 3441 </span><span class="lineCov"> 5632326 : if (clauses->action && ignore_return)</span></a>
|
|
<a name="3442"><span class="lineNum"> 3442 </span><span class="lineNoCov"> 0 : clauses->action->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="3443"><span class="lineNum"> 3443 </span><span class="lineCov"> 5632326 : retval = execute_command (clauses->action);</span></a>
|
|
<a name="3444"><span class="lineNum"> 3444 </span> : }</a>
|
|
<a name="3445"><span class="lineNum"> 3445 </span><span class="lineCov"> 5625737 : while ((clauses->flags & CASEPAT_FALLTHROUGH) && (clauses = clauses->next));</span></a>
|
|
<a name="3446"><span class="lineNum"> 3446 </span><span class="lineCov"> 5625737 : if (clauses == 0 || (clauses->flags & CASEPAT_TESTNEXT) == 0)</span></a>
|
|
<a name="3447"><span class="lineNum"> 3447 </span><span class="lineCov"> 5625727 : EXIT_CASE ();</span></a>
|
|
<a name="3448"><span class="lineNum"> 3448 </span> : else</a>
|
|
<a name="3449"><span class="lineNum"> 3449 </span> : break;</a>
|
|
<a name="3450"><span class="lineNum"> 3450 </span> : }</a>
|
|
<a name="3451"><span class="lineNum"> 3451 </span> : </a>
|
|
<a name="3452"><span class="lineNum"> 3452 </span><span class="lineCov"> 37789188 : QUIT;</span></a>
|
|
<a name="3453"><span class="lineNum"> 3453 </span> : }</a>
|
|
<a name="3454"><span class="lineNum"> 3454 </span> : }</a>
|
|
<a name="3455"><span class="lineNum"> 3455 </span> : </a>
|
|
<a name="3456"><span class="lineNum"> 3456 </span><span class="lineCov"> 11546 : exit_case_command:</span></a>
|
|
<a name="3457"><span class="lineNum"> 3457 </span><span class="lineCov"> 5637273 : free (word);</span></a>
|
|
<a name="3458"><span class="lineNum"> 3458 </span><span class="lineCov"> 5637273 : discard_unwind_frame ("case");</span></a>
|
|
<a name="3459"><span class="lineNum"> 3459 </span><span class="lineCov"> 5637273 : line_number = save_line_number;</span></a>
|
|
<a name="3460"><span class="lineNum"> 3460 </span><span class="lineCov"> 5637273 : return (retval);</span></a>
|
|
<a name="3461"><span class="lineNum"> 3461 </span> : }</a>
|
|
<a name="3462"><span class="lineNum"> 3462 </span> : </a>
|
|
<a name="3463"><span class="lineNum"> 3463 </span> : #define CMD_WHILE 0</a>
|
|
<a name="3464"><span class="lineNum"> 3464 </span> : #define CMD_UNTIL 1</a>
|
|
<a name="3465"><span class="lineNum"> 3465 </span> : </a>
|
|
<a name="3466"><span class="lineNum"> 3466 </span> : /* The WHILE command. Syntax: WHILE test DO action; DONE.</a>
|
|
<a name="3467"><span class="lineNum"> 3467 </span> : Repeatedly execute action while executing test produces</a>
|
|
<a name="3468"><span class="lineNum"> 3468 </span> : EXECUTION_SUCCESS. */</a>
|
|
<a name="3469"><span class="lineNum"> 3469 </span> : static int</a>
|
|
<a name="3470"><span class="lineNum"> 3470 </span><span class="lineCov"> 2907 : execute_while_command (while_command)</span></a>
|
|
<a name="3471"><span class="lineNum"> 3471 </span> : WHILE_COM *while_command;</a>
|
|
<a name="3472"><span class="lineNum"> 3472 </span> : {</a>
|
|
<a name="3473"><span class="lineNum"> 3473 </span><span class="lineCov"> 2907 : return (execute_while_or_until (while_command, CMD_WHILE));</span></a>
|
|
<a name="3474"><span class="lineNum"> 3474 </span> : }</a>
|
|
<a name="3475"><span class="lineNum"> 3475 </span> : </a>
|
|
<a name="3476"><span class="lineNum"> 3476 </span> : /* UNTIL is just like WHILE except that the test result is negated. */</a>
|
|
<a name="3477"><span class="lineNum"> 3477 </span> : static int</a>
|
|
<a name="3478"><span class="lineNum"> 3478 </span><span class="lineNoCov"> 0 : execute_until_command (while_command)</span></a>
|
|
<a name="3479"><span class="lineNum"> 3479 </span> : WHILE_COM *while_command;</a>
|
|
<a name="3480"><span class="lineNum"> 3480 </span> : {</a>
|
|
<a name="3481"><span class="lineNum"> 3481 </span><span class="lineNoCov"> 0 : return (execute_while_or_until (while_command, CMD_UNTIL));</span></a>
|
|
<a name="3482"><span class="lineNum"> 3482 </span> : }</a>
|
|
<a name="3483"><span class="lineNum"> 3483 </span> : </a>
|
|
<a name="3484"><span class="lineNum"> 3484 </span> : /* The body for both while and until. The only difference between the</a>
|
|
<a name="3485"><span class="lineNum"> 3485 </span> : two is that the test value is treated differently. TYPE is</a>
|
|
<a name="3486"><span class="lineNum"> 3486 </span> : CMD_WHILE or CMD_UNTIL. The return value for both commands should</a>
|
|
<a name="3487"><span class="lineNum"> 3487 </span> : be EXECUTION_SUCCESS if no commands in the body are executed, and</a>
|
|
<a name="3488"><span class="lineNum"> 3488 </span> : the status of the last command executed in the body otherwise. */</a>
|
|
<a name="3489"><span class="lineNum"> 3489 </span> : static int</a>
|
|
<a name="3490"><span class="lineNum"> 3490 </span><span class="lineCov"> 2907 : execute_while_or_until (while_command, type)</span></a>
|
|
<a name="3491"><span class="lineNum"> 3491 </span> : WHILE_COM *while_command;</a>
|
|
<a name="3492"><span class="lineNum"> 3492 </span> : int type;</a>
|
|
<a name="3493"><span class="lineNum"> 3493 </span> : {</a>
|
|
<a name="3494"><span class="lineNum"> 3494 </span><span class="lineCov"> 2907 : int return_value, body_status;</span></a>
|
|
<a name="3495"><span class="lineNum"> 3495 </span> : </a>
|
|
<a name="3496"><span class="lineNum"> 3496 </span><span class="lineCov"> 2907 : body_status = EXECUTION_SUCCESS;</span></a>
|
|
<a name="3497"><span class="lineNum"> 3497 </span><span class="lineCov"> 2907 : loop_level++;</span></a>
|
|
<a name="3498"><span class="lineNum"> 3498 </span> : </a>
|
|
<a name="3499"><span class="lineNum"> 3499 </span><span class="lineCov"> 2907 : while_command->test->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="3500"><span class="lineNum"> 3500 </span><span class="lineCov"> 2907 : if (while_command->flags & CMD_IGNORE_RETURN)</span></a>
|
|
<a name="3501"><span class="lineNum"> 3501 </span><span class="lineNoCov"> 0 : while_command->action->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="3502"><span class="lineNum"> 3502 </span> : </a>
|
|
<a name="3503"><span class="lineNum"> 3503 </span><span class="lineCov"> 20349 : while (1)</span></a>
|
|
<a name="3504"><span class="lineNum"> 3504 </span> : {</a>
|
|
<a name="3505"><span class="lineNum"> 3505 </span><span class="lineCov"> 20349 : return_value = execute_command (while_command->test);</span></a>
|
|
<a name="3506"><span class="lineNum"> 3506 </span><span class="lineCov"> 20349 : REAP ();</span></a>
|
|
<a name="3507"><span class="lineNum"> 3507 </span> : </a>
|
|
<a name="3508"><span class="lineNum"> 3508 </span> : /* Need to handle `break' in the test when we would break out of the</a>
|
|
<a name="3509"><span class="lineNum"> 3509 </span> : loop. The job control code will set `breaking' to loop_level</a>
|
|
<a name="3510"><span class="lineNum"> 3510 </span> : when a job in a loop is stopped with SIGTSTP. If the stopped job</a>
|
|
<a name="3511"><span class="lineNum"> 3511 </span> : is in the loop test, `breaking' will not be reset unless we do</a>
|
|
<a name="3512"><span class="lineNum"> 3512 </span> : this, and the shell will cease to execute commands. The same holds</a>
|
|
<a name="3513"><span class="lineNum"> 3513 </span> : true for `continue'. */</a>
|
|
<a name="3514"><span class="lineNum"> 3514 </span><span class="lineCov"> 20349 : if (type == CMD_WHILE && return_value != EXECUTION_SUCCESS)</span></a>
|
|
<a name="3515"><span class="lineNum"> 3515 </span> : {</a>
|
|
<a name="3516"><span class="lineNum"> 3516 </span><span class="lineCov"> 2907 : if (breaking)</span></a>
|
|
<a name="3517"><span class="lineNum"> 3517 </span><span class="lineNoCov"> 0 : breaking--;</span></a>
|
|
<a name="3518"><span class="lineNum"> 3518 </span><span class="lineCov"> 2907 : if (continuing)</span></a>
|
|
<a name="3519"><span class="lineNum"> 3519 </span><span class="lineNoCov"> 0 : continuing--;</span></a>
|
|
<a name="3520"><span class="lineNum"> 3520 </span> : break;</a>
|
|
<a name="3521"><span class="lineNum"> 3521 </span> : }</a>
|
|
<a name="3522"><span class="lineNum"> 3522 </span><span class="lineCov"> 17442 : if (type == CMD_UNTIL && return_value == EXECUTION_SUCCESS)</span></a>
|
|
<a name="3523"><span class="lineNum"> 3523 </span> : {</a>
|
|
<a name="3524"><span class="lineNum"> 3524 </span><span class="lineNoCov"> 0 : if (breaking)</span></a>
|
|
<a name="3525"><span class="lineNum"> 3525 </span><span class="lineNoCov"> 0 : breaking--;</span></a>
|
|
<a name="3526"><span class="lineNum"> 3526 </span><span class="lineNoCov"> 0 : if (continuing)</span></a>
|
|
<a name="3527"><span class="lineNum"> 3527 </span><span class="lineNoCov"> 0 : continuing--;</span></a>
|
|
<a name="3528"><span class="lineNum"> 3528 </span> : break;</a>
|
|
<a name="3529"><span class="lineNum"> 3529 </span> : }</a>
|
|
<a name="3530"><span class="lineNum"> 3530 </span> : </a>
|
|
<a name="3531"><span class="lineNum"> 3531 </span><span class="lineCov"> 17442 : QUIT;</span></a>
|
|
<a name="3532"><span class="lineNum"> 3532 </span><span class="lineCov"> 17442 : body_status = execute_command (while_command->action);</span></a>
|
|
<a name="3533"><span class="lineNum"> 3533 </span><span class="lineCov"> 17442 : QUIT;</span></a>
|
|
<a name="3534"><span class="lineNum"> 3534 </span> : </a>
|
|
<a name="3535"><span class="lineNum"> 3535 </span><span class="lineCov"> 17442 : if (breaking)</span></a>
|
|
<a name="3536"><span class="lineNum"> 3536 </span> : {</a>
|
|
<a name="3537"><span class="lineNum"> 3537 </span><span class="lineNoCov"> 0 : breaking--;</span></a>
|
|
<a name="3538"><span class="lineNum"> 3538 </span><span class="lineNoCov"> 0 : break;</span></a>
|
|
<a name="3539"><span class="lineNum"> 3539 </span> : }</a>
|
|
<a name="3540"><span class="lineNum"> 3540 </span> : </a>
|
|
<a name="3541"><span class="lineNum"> 3541 </span><span class="lineCov"> 17442 : if (continuing)</span></a>
|
|
<a name="3542"><span class="lineNum"> 3542 </span> : {</a>
|
|
<a name="3543"><span class="lineNum"> 3543 </span><span class="lineNoCov"> 0 : continuing--;</span></a>
|
|
<a name="3544"><span class="lineNum"> 3544 </span><span class="lineNoCov"> 0 : if (continuing)</span></a>
|
|
<a name="3545"><span class="lineNum"> 3545 </span> : break;</a>
|
|
<a name="3546"><span class="lineNum"> 3546 </span> : }</a>
|
|
<a name="3547"><span class="lineNum"> 3547 </span> : }</a>
|
|
<a name="3548"><span class="lineNum"> 3548 </span><span class="lineCov"> 2907 : loop_level--;</span></a>
|
|
<a name="3549"><span class="lineNum"> 3549 </span> : </a>
|
|
<a name="3550"><span class="lineNum"> 3550 </span><span class="lineCov"> 2907 : return (body_status);</span></a>
|
|
<a name="3551"><span class="lineNum"> 3551 </span> : }</a>
|
|
<a name="3552"><span class="lineNum"> 3552 </span> : </a>
|
|
<a name="3553"><span class="lineNum"> 3553 </span> : /* IF test THEN command [ELSE command].</a>
|
|
<a name="3554"><span class="lineNum"> 3554 </span> : IF also allows ELIF in the place of ELSE IF, but</a>
|
|
<a name="3555"><span class="lineNum"> 3555 </span> : the parser makes *that* stupidity transparent. */</a>
|
|
<a name="3556"><span class="lineNum"> 3556 </span> : static int</a>
|
|
<a name="3557"><span class="lineNum"> 3557 </span><span class="lineCov"> 22444464 : execute_if_command (if_command)</span></a>
|
|
<a name="3558"><span class="lineNum"> 3558 </span> : IF_COM *if_command;</a>
|
|
<a name="3559"><span class="lineNum"> 3559 </span> : {</a>
|
|
<a name="3560"><span class="lineNum"> 3560 </span><span class="lineCov"> 22444464 : int return_value, save_line_number;</span></a>
|
|
<a name="3561"><span class="lineNum"> 3561 </span> : </a>
|
|
<a name="3562"><span class="lineNum"> 3562 </span><span class="lineCov"> 22444464 : save_line_number = line_number;</span></a>
|
|
<a name="3563"><span class="lineNum"> 3563 </span><span class="lineCov"> 22444464 : if_command->test->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="3564"><span class="lineNum"> 3564 </span><span class="lineCov"> 22444464 : return_value = execute_command (if_command->test);</span></a>
|
|
<a name="3565"><span class="lineNum"> 3565 </span><span class="lineCov"> 22444441 : line_number = save_line_number;</span></a>
|
|
<a name="3566"><span class="lineNum"> 3566 </span> : </a>
|
|
<a name="3567"><span class="lineNum"> 3567 </span><span class="lineCov"> 22444441 : if (return_value == EXECUTION_SUCCESS)</span></a>
|
|
<a name="3568"><span class="lineNum"> 3568 </span> : {</a>
|
|
<a name="3569"><span class="lineNum"> 3569 </span><span class="lineCov"> 9693594 : QUIT;</span></a>
|
|
<a name="3570"><span class="lineNum"> 3570 </span> : </a>
|
|
<a name="3571"><span class="lineNum"> 3571 </span><span class="lineCov"> 9693594 : if (if_command->true_case && (if_command->flags & CMD_IGNORE_RETURN))</span></a>
|
|
<a name="3572"><span class="lineNum"> 3572 </span><span class="lineNoCov"> 0 : if_command->true_case->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="3573"><span class="lineNum"> 3573 </span> : </a>
|
|
<a name="3574"><span class="lineNum"> 3574 </span><span class="lineCov"> 9693594 : return (execute_command (if_command->true_case));</span></a>
|
|
<a name="3575"><span class="lineNum"> 3575 </span> : }</a>
|
|
<a name="3576"><span class="lineNum"> 3576 </span> : else</a>
|
|
<a name="3577"><span class="lineNum"> 3577 </span> : {</a>
|
|
<a name="3578"><span class="lineNum"> 3578 </span><span class="lineCov"> 12750847 : QUIT;</span></a>
|
|
<a name="3579"><span class="lineNum"> 3579 </span> : </a>
|
|
<a name="3580"><span class="lineNum"> 3580 </span><span class="lineCov"> 12750847 : if (if_command->false_case && (if_command->flags & CMD_IGNORE_RETURN))</span></a>
|
|
<a name="3581"><span class="lineNum"> 3581 </span><span class="lineCov"> 13 : if_command->false_case->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="3582"><span class="lineNum"> 3582 </span> : </a>
|
|
<a name="3583"><span class="lineNum"> 3583 </span><span class="lineCov"> 12750847 : return (execute_command (if_command->false_case));</span></a>
|
|
<a name="3584"><span class="lineNum"> 3584 </span> : }</a>
|
|
<a name="3585"><span class="lineNum"> 3585 </span> : }</a>
|
|
<a name="3586"><span class="lineNum"> 3586 </span> : </a>
|
|
<a name="3587"><span class="lineNum"> 3587 </span> : #if defined (DPAREN_ARITHMETIC)</a>
|
|
<a name="3588"><span class="lineNum"> 3588 </span> : static int</a>
|
|
<a name="3589"><span class="lineNum"> 3589 </span><span class="lineNoCov"> 0 : execute_arith_command (arith_command)</span></a>
|
|
<a name="3590"><span class="lineNum"> 3590 </span> : ARITH_COM *arith_command;</a>
|
|
<a name="3591"><span class="lineNum"> 3591 </span> : {</a>
|
|
<a name="3592"><span class="lineNum"> 3592 </span><span class="lineNoCov"> 0 : int expok, save_line_number, retval;</span></a>
|
|
<a name="3593"><span class="lineNum"> 3593 </span><span class="lineNoCov"> 0 : intmax_t expresult;</span></a>
|
|
<a name="3594"><span class="lineNum"> 3594 </span><span class="lineNoCov"> 0 : WORD_LIST *new;</span></a>
|
|
<a name="3595"><span class="lineNum"> 3595 </span><span class="lineNoCov"> 0 : char *exp;</span></a>
|
|
<a name="3596"><span class="lineNum"> 3596 </span> : </a>
|
|
<a name="3597"><span class="lineNum"> 3597 </span><span class="lineNoCov"> 0 : expresult = 0;</span></a>
|
|
<a name="3598"><span class="lineNum"> 3598 </span> : </a>
|
|
<a name="3599"><span class="lineNum"> 3599 </span><span class="lineNoCov"> 0 : save_line_number = line_number;</span></a>
|
|
<a name="3600"><span class="lineNum"> 3600 </span><span class="lineNoCov"> 0 : this_command_name = "(("; /* )) */</span></a>
|
|
<a name="3601"><span class="lineNum"> 3601 </span><span class="lineNoCov"> 0 : line_number = arith_command->line;</span></a>
|
|
<a name="3602"><span class="lineNum"> 3602 </span> : /* If we're in a function, update the line number information. */</a>
|
|
<a name="3603"><span class="lineNum"> 3603 </span><span class="lineNoCov"> 0 : if (variable_context && interactive_shell)</span></a>
|
|
<a name="3604"><span class="lineNum"> 3604 </span> : {</a>
|
|
<a name="3605"><span class="lineNum"> 3605 </span><span class="lineNoCov"> 0 : line_number -= function_line_number;</span></a>
|
|
<a name="3606"><span class="lineNum"> 3606 </span><span class="lineNoCov"> 0 : if (line_number < 0)</span></a>
|
|
<a name="3607"><span class="lineNum"> 3607 </span><span class="lineNoCov"> 0 : line_number = 0;</span></a>
|
|
<a name="3608"><span class="lineNum"> 3608 </span> : } </a>
|
|
<a name="3609"><span class="lineNum"> 3609 </span> : </a>
|
|
<a name="3610"><span class="lineNum"> 3610 </span><span class="lineNoCov"> 0 : command_string_index = 0;</span></a>
|
|
<a name="3611"><span class="lineNum"> 3611 </span><span class="lineNoCov"> 0 : print_arith_command (arith_command->exp);</span></a>
|
|
<a name="3612"><span class="lineNum"> 3612 </span> : </a>
|
|
<a name="3613"><span class="lineNum"> 3613 </span><span class="lineNoCov"> 0 : if (signal_in_progress (DEBUG_TRAP) == 0)</span></a>
|
|
<a name="3614"><span class="lineNum"> 3614 </span> : {</a>
|
|
<a name="3615"><span class="lineNum"> 3615 </span><span class="lineNoCov"> 0 : FREE (the_printed_command_except_trap);</span></a>
|
|
<a name="3616"><span class="lineNum"> 3616 </span><span class="lineNoCov"> 0 : the_printed_command_except_trap = savestring (the_printed_command);</span></a>
|
|
<a name="3617"><span class="lineNum"> 3617 </span> : }</a>
|
|
<a name="3618"><span class="lineNum"> 3618 </span> : </a>
|
|
<a name="3619"><span class="lineNum"> 3619 </span> : /* Run the debug trap before each arithmetic command, but do it after we</a>
|
|
<a name="3620"><span class="lineNum"> 3620 </span> : update the line number information and before we expand the various</a>
|
|
<a name="3621"><span class="lineNum"> 3621 </span> : words in the expression. */</a>
|
|
<a name="3622"><span class="lineNum"> 3622 </span><span class="lineNoCov"> 0 : retval = run_debug_trap ();</span></a>
|
|
<a name="3623"><span class="lineNum"> 3623 </span> : #if defined (DEBUGGER)</a>
|
|
<a name="3624"><span class="lineNum"> 3624 </span> : /* In debugging mode, if the DEBUG trap returns a non-zero status, we</a>
|
|
<a name="3625"><span class="lineNum"> 3625 </span> : skip the command. */</a>
|
|
<a name="3626"><span class="lineNum"> 3626 </span><span class="lineNoCov"> 0 : if (debugging_mode && retval != EXECUTION_SUCCESS)</span></a>
|
|
<a name="3627"><span class="lineNum"> 3627 </span> : {</a>
|
|
<a name="3628"><span class="lineNum"> 3628 </span><span class="lineNoCov"> 0 : line_number = save_line_number;</span></a>
|
|
<a name="3629"><span class="lineNum"> 3629 </span><span class="lineNoCov"> 0 : return (EXECUTION_SUCCESS);</span></a>
|
|
<a name="3630"><span class="lineNum"> 3630 </span> : }</a>
|
|
<a name="3631"><span class="lineNum"> 3631 </span> : #endif</a>
|
|
<a name="3632"><span class="lineNum"> 3632 </span> : </a>
|
|
<a name="3633"><span class="lineNum"> 3633 </span><span class="lineNoCov"> 0 : new = expand_words_no_vars (arith_command->exp);</span></a>
|
|
<a name="3634"><span class="lineNum"> 3634 </span> : </a>
|
|
<a name="3635"><span class="lineNum"> 3635 </span> : /* If we're tracing, make a new word list with `((' at the front and `))'</a>
|
|
<a name="3636"><span class="lineNum"> 3636 </span> : at the back and print it. */</a>
|
|
<a name="3637"><span class="lineNum"> 3637 </span><span class="lineNoCov"> 0 : if (echo_command_at_execute)</span></a>
|
|
<a name="3638"><span class="lineNum"> 3638 </span><span class="lineNoCov"> 0 : xtrace_print_arith_cmd (new);</span></a>
|
|
<a name="3639"><span class="lineNum"> 3639 </span> : </a>
|
|
<a name="3640"><span class="lineNum"> 3640 </span><span class="lineNoCov"> 0 : if (new)</span></a>
|
|
<a name="3641"><span class="lineNum"> 3641 </span> : {</a>
|
|
<a name="3642"><span class="lineNum"> 3642 </span><span class="lineNoCov"> 0 : exp = new->next ? string_list (new) : new->word->word;</span></a>
|
|
<a name="3643"><span class="lineNum"> 3643 </span><span class="lineNoCov"> 0 : expresult = evalexp (exp, &expok);</span></a>
|
|
<a name="3644"><span class="lineNum"> 3644 </span><span class="lineNoCov"> 0 : line_number = save_line_number;</span></a>
|
|
<a name="3645"><span class="lineNum"> 3645 </span><span class="lineNoCov"> 0 : if (exp != new->word->word)</span></a>
|
|
<a name="3646"><span class="lineNum"> 3646 </span><span class="lineNoCov"> 0 : free (exp);</span></a>
|
|
<a name="3647"><span class="lineNum"> 3647 </span><span class="lineNoCov"> 0 : dispose_words (new);</span></a>
|
|
<a name="3648"><span class="lineNum"> 3648 </span> : }</a>
|
|
<a name="3649"><span class="lineNum"> 3649 </span> : else</a>
|
|
<a name="3650"><span class="lineNum"> 3650 </span> : {</a>
|
|
<a name="3651"><span class="lineNum"> 3651 </span><span class="lineNoCov"> 0 : expresult = 0;</span></a>
|
|
<a name="3652"><span class="lineNum"> 3652 </span><span class="lineNoCov"> 0 : expok = 1;</span></a>
|
|
<a name="3653"><span class="lineNum"> 3653 </span> : }</a>
|
|
<a name="3654"><span class="lineNum"> 3654 </span> : </a>
|
|
<a name="3655"><span class="lineNum"> 3655 </span><span class="lineNoCov"> 0 : if (expok == 0)</span></a>
|
|
<a name="3656"><span class="lineNum"> 3656 </span><span class="lineNoCov"> 0 : return (EXECUTION_FAILURE);</span></a>
|
|
<a name="3657"><span class="lineNum"> 3657 </span> : </a>
|
|
<a name="3658"><span class="lineNum"> 3658 </span><span class="lineNoCov"> 0 : return (expresult == 0 ? EXECUTION_FAILURE : EXECUTION_SUCCESS);</span></a>
|
|
<a name="3659"><span class="lineNum"> 3659 </span> : }</a>
|
|
<a name="3660"><span class="lineNum"> 3660 </span> : #endif /* DPAREN_ARITHMETIC */</a>
|
|
<a name="3661"><span class="lineNum"> 3661 </span> : </a>
|
|
<a name="3662"><span class="lineNum"> 3662 </span> : #if defined (COND_COMMAND)</a>
|
|
<a name="3663"><span class="lineNum"> 3663 </span> : </a>
|
|
<a name="3664"><span class="lineNum"> 3664 </span> : static char * const nullstr = "";</a>
|
|
<a name="3665"><span class="lineNum"> 3665 </span> : </a>
|
|
<a name="3666"><span class="lineNum"> 3666 </span> : /* XXX - can COND ever be NULL when this is called? */</a>
|
|
<a name="3667"><span class="lineNum"> 3667 </span> : static int</a>
|
|
<a name="3668"><span class="lineNum"> 3668 </span><span class="lineNoCov"> 0 : execute_cond_node (cond)</span></a>
|
|
<a name="3669"><span class="lineNum"> 3669 </span> : COND_COM *cond;</a>
|
|
<a name="3670"><span class="lineNum"> 3670 </span> : {</a>
|
|
<a name="3671"><span class="lineNum"> 3671 </span><span class="lineNoCov"> 0 : int result, invert, patmatch, rmatch, mflags, ignore;</span></a>
|
|
<a name="3672"><span class="lineNum"> 3672 </span><span class="lineNoCov"> 0 : char *arg1, *arg2;</span></a>
|
|
<a name="3673"><span class="lineNum"> 3673 </span> : #if 0</a>
|
|
<a name="3674"><span class="lineNum"> 3674 </span> : char *t1, *t2;</a>
|
|
<a name="3675"><span class="lineNum"> 3675 </span> : #endif</a>
|
|
<a name="3676"><span class="lineNum"> 3676 </span> : </a>
|
|
<a name="3677"><span class="lineNum"> 3677 </span><span class="lineNoCov"> 0 : invert = (cond->flags & CMD_INVERT_RETURN);</span></a>
|
|
<a name="3678"><span class="lineNum"> 3678 </span><span class="lineNoCov"> 0 : ignore = (cond->flags & CMD_IGNORE_RETURN);</span></a>
|
|
<a name="3679"><span class="lineNum"> 3679 </span><span class="lineNoCov"> 0 : if (ignore)</span></a>
|
|
<a name="3680"><span class="lineNum"> 3680 </span> : {</a>
|
|
<a name="3681"><span class="lineNum"> 3681 </span><span class="lineNoCov"> 0 : if (cond->left)</span></a>
|
|
<a name="3682"><span class="lineNum"> 3682 </span><span class="lineNoCov"> 0 : cond->left->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="3683"><span class="lineNum"> 3683 </span><span class="lineNoCov"> 0 : if (cond->right)</span></a>
|
|
<a name="3684"><span class="lineNum"> 3684 </span><span class="lineNoCov"> 0 : cond->right->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="3685"><span class="lineNum"> 3685 </span> : }</a>
|
|
<a name="3686"><span class="lineNum"> 3686 </span> : </a>
|
|
<a name="3687"><span class="lineNum"> 3687 </span><span class="lineNoCov"> 0 : if (cond->type == COND_EXPR)</span></a>
|
|
<a name="3688"><span class="lineNum"> 3688 </span><span class="lineNoCov"> 0 : result = execute_cond_node (cond->left);</span></a>
|
|
<a name="3689"><span class="lineNum"> 3689 </span><span class="lineNoCov"> 0 : else if (cond->type == COND_OR)</span></a>
|
|
<a name="3690"><span class="lineNum"> 3690 </span> : {</a>
|
|
<a name="3691"><span class="lineNum"> 3691 </span><span class="lineNoCov"> 0 : result = execute_cond_node (cond->left);</span></a>
|
|
<a name="3692"><span class="lineNum"> 3692 </span><span class="lineNoCov"> 0 : if (result != EXECUTION_SUCCESS)</span></a>
|
|
<a name="3693"><span class="lineNum"> 3693 </span><span class="lineNoCov"> 0 : result = execute_cond_node (cond->right);</span></a>
|
|
<a name="3694"><span class="lineNum"> 3694 </span> : }</a>
|
|
<a name="3695"><span class="lineNum"> 3695 </span><span class="lineNoCov"> 0 : else if (cond->type == COND_AND)</span></a>
|
|
<a name="3696"><span class="lineNum"> 3696 </span> : {</a>
|
|
<a name="3697"><span class="lineNum"> 3697 </span><span class="lineNoCov"> 0 : result = execute_cond_node (cond->left);</span></a>
|
|
<a name="3698"><span class="lineNum"> 3698 </span><span class="lineNoCov"> 0 : if (result == EXECUTION_SUCCESS)</span></a>
|
|
<a name="3699"><span class="lineNum"> 3699 </span><span class="lineNoCov"> 0 : result = execute_cond_node (cond->right);</span></a>
|
|
<a name="3700"><span class="lineNum"> 3700 </span> : }</a>
|
|
<a name="3701"><span class="lineNum"> 3701 </span><span class="lineNoCov"> 0 : else if (cond->type == COND_UNARY)</span></a>
|
|
<a name="3702"><span class="lineNum"> 3702 </span> : {</a>
|
|
<a name="3703"><span class="lineNum"> 3703 </span><span class="lineNoCov"> 0 : if (ignore)</span></a>
|
|
<a name="3704"><span class="lineNum"> 3704 </span><span class="lineNoCov"> 0 : comsub_ignore_return++;</span></a>
|
|
<a name="3705"><span class="lineNum"> 3705 </span><span class="lineNoCov"> 0 : arg1 = cond_expand_word (cond->left->op, 0);</span></a>
|
|
<a name="3706"><span class="lineNum"> 3706 </span><span class="lineNoCov"> 0 : if (ignore)</span></a>
|
|
<a name="3707"><span class="lineNum"> 3707 </span><span class="lineNoCov"> 0 : comsub_ignore_return--;</span></a>
|
|
<a name="3708"><span class="lineNum"> 3708 </span><span class="lineNoCov"> 0 : if (arg1 == 0)</span></a>
|
|
<a name="3709"><span class="lineNum"> 3709 </span><span class="lineNoCov"> 0 : arg1 = nullstr;</span></a>
|
|
<a name="3710"><span class="lineNum"> 3710 </span><span class="lineNoCov"> 0 : if (echo_command_at_execute)</span></a>
|
|
<a name="3711"><span class="lineNum"> 3711 </span><span class="lineNoCov"> 0 : xtrace_print_cond_term (cond->type, invert, cond->op, arg1, (char *)NULL);</span></a>
|
|
<a name="3712"><span class="lineNum"> 3712 </span><span class="lineNoCov"> 0 : result = unary_test (cond->op->word, arg1) ? EXECUTION_SUCCESS : EXECUTION_FAILURE;</span></a>
|
|
<a name="3713"><span class="lineNum"> 3713 </span><span class="lineNoCov"> 0 : if (arg1 != nullstr)</span></a>
|
|
<a name="3714"><span class="lineNum"> 3714 </span><span class="lineNoCov"> 0 : free (arg1);</span></a>
|
|
<a name="3715"><span class="lineNum"> 3715 </span> : }</a>
|
|
<a name="3716"><span class="lineNum"> 3716 </span><span class="lineNoCov"> 0 : else if (cond->type == COND_BINARY)</span></a>
|
|
<a name="3717"><span class="lineNum"> 3717 </span> : {</a>
|
|
<a name="3718"><span class="lineNum"> 3718 </span><span class="lineNoCov"> 0 : rmatch = 0;</span></a>
|
|
<a name="3719"><span class="lineNum"> 3719 </span><span class="lineNoCov"> 0 : patmatch = (((cond->op->word[1] == '=') && (cond->op->word[2] == '\0') &&</span></a>
|
|
<a name="3720"><span class="lineNum"> 3720 </span><span class="lineNoCov"> 0 : (cond->op->word[0] == '!' || cond->op->word[0] == '=')) ||</span></a>
|
|
<a name="3721"><span class="lineNum"> 3721 </span><span class="lineNoCov"> 0 : (cond->op->word[0] == '=' && cond->op->word[1] == '\0'));</span></a>
|
|
<a name="3722"><span class="lineNum"> 3722 </span> : #if defined (COND_REGEXP)</a>
|
|
<a name="3723"><span class="lineNum"> 3723 </span><span class="lineNoCov"> 0 : rmatch = (cond->op->word[0] == '=' && cond->op->word[1] == '~' &&</span></a>
|
|
<a name="3724"><span class="lineNum"> 3724 </span><span class="lineNoCov"> 0 : cond->op->word[2] == '\0');</span></a>
|
|
<a name="3725"><span class="lineNum"> 3725 </span> : #endif</a>
|
|
<a name="3726"><span class="lineNum"> 3726 </span> : </a>
|
|
<a name="3727"><span class="lineNum"> 3727 </span><span class="lineNoCov"> 0 : if (ignore)</span></a>
|
|
<a name="3728"><span class="lineNum"> 3728 </span><span class="lineNoCov"> 0 : comsub_ignore_return++;</span></a>
|
|
<a name="3729"><span class="lineNum"> 3729 </span><span class="lineNoCov"> 0 : arg1 = cond_expand_word (cond->left->op, 0);</span></a>
|
|
<a name="3730"><span class="lineNum"> 3730 </span><span class="lineNoCov"> 0 : if (ignore)</span></a>
|
|
<a name="3731"><span class="lineNum"> 3731 </span><span class="lineNoCov"> 0 : comsub_ignore_return--;</span></a>
|
|
<a name="3732"><span class="lineNum"> 3732 </span><span class="lineNoCov"> 0 : if (arg1 == 0)</span></a>
|
|
<a name="3733"><span class="lineNum"> 3733 </span><span class="lineNoCov"> 0 : arg1 = nullstr;</span></a>
|
|
<a name="3734"><span class="lineNum"> 3734 </span><span class="lineNoCov"> 0 : if (ignore)</span></a>
|
|
<a name="3735"><span class="lineNum"> 3735 </span><span class="lineNoCov"> 0 : comsub_ignore_return++;</span></a>
|
|
<a name="3736"><span class="lineNum"> 3736 </span><span class="lineNoCov"> 0 : arg2 = cond_expand_word (cond->right->op,</span></a>
|
|
<a name="3737"><span class="lineNum"> 3737 </span><span class="lineNoCov"> 0 : (rmatch && shell_compatibility_level > 31) ? 2 : (patmatch ? 1 : 0));</span></a>
|
|
<a name="3738"><span class="lineNum"> 3738 </span><span class="lineNoCov"> 0 : if (ignore)</span></a>
|
|
<a name="3739"><span class="lineNum"> 3739 </span><span class="lineNoCov"> 0 : comsub_ignore_return--;</span></a>
|
|
<a name="3740"><span class="lineNum"> 3740 </span><span class="lineNoCov"> 0 : if (arg2 == 0)</span></a>
|
|
<a name="3741"><span class="lineNum"> 3741 </span><span class="lineNoCov"> 0 : arg2 = nullstr;</span></a>
|
|
<a name="3742"><span class="lineNum"> 3742 </span> : </a>
|
|
<a name="3743"><span class="lineNum"> 3743 </span><span class="lineNoCov"> 0 : if (echo_command_at_execute)</span></a>
|
|
<a name="3744"><span class="lineNum"> 3744 </span><span class="lineNoCov"> 0 : xtrace_print_cond_term (cond->type, invert, cond->op, arg1, arg2);</span></a>
|
|
<a name="3745"><span class="lineNum"> 3745 </span> : </a>
|
|
<a name="3746"><span class="lineNum"> 3746 </span> : #if defined (COND_REGEXP)</a>
|
|
<a name="3747"><span class="lineNum"> 3747 </span><span class="lineNoCov"> 0 : if (rmatch)</span></a>
|
|
<a name="3748"><span class="lineNum"> 3748 </span> : {</a>
|
|
<a name="3749"><span class="lineNum"> 3749 </span><span class="lineNoCov"> 0 : mflags = SHMAT_PWARN;</span></a>
|
|
<a name="3750"><span class="lineNum"> 3750 </span> : #if defined (ARRAY_VARS)</a>
|
|
<a name="3751"><span class="lineNum"> 3751 </span><span class="lineNoCov"> 0 : mflags |= SHMAT_SUBEXP;</span></a>
|
|
<a name="3752"><span class="lineNum"> 3752 </span> : #endif</a>
|
|
<a name="3753"><span class="lineNum"> 3753 </span> : </a>
|
|
<a name="3754"><span class="lineNum"> 3754 </span> : #if 0</a>
|
|
<a name="3755"><span class="lineNum"> 3755 </span> : t1 = strescape(arg1);</a>
|
|
<a name="3756"><span class="lineNum"> 3756 </span> : t2 = strescape(arg2);</a>
|
|
<a name="3757"><span class="lineNum"> 3757 </span> : itrace("execute_cond_node: sh_regmatch on `%s' and `%s'", t1, t2);</a>
|
|
<a name="3758"><span class="lineNum"> 3758 </span> : free(t1);</a>
|
|
<a name="3759"><span class="lineNum"> 3759 </span> : free(t2);</a>
|
|
<a name="3760"><span class="lineNum"> 3760 </span> : #endif</a>
|
|
<a name="3761"><span class="lineNum"> 3761 </span> : </a>
|
|
<a name="3762"><span class="lineNum"> 3762 </span><span class="lineNoCov"> 0 : result = sh_regmatch (arg1, arg2, mflags);</span></a>
|
|
<a name="3763"><span class="lineNum"> 3763 </span> : }</a>
|
|
<a name="3764"><span class="lineNum"> 3764 </span> : else</a>
|
|
<a name="3765"><span class="lineNum"> 3765 </span> : #endif /* COND_REGEXP */</a>
|
|
<a name="3766"><span class="lineNum"> 3766 </span> : {</a>
|
|
<a name="3767"><span class="lineNum"> 3767 </span><span class="lineNoCov"> 0 : int oe;</span></a>
|
|
<a name="3768"><span class="lineNum"> 3768 </span><span class="lineNoCov"> 0 : oe = extended_glob;</span></a>
|
|
<a name="3769"><span class="lineNum"> 3769 </span><span class="lineNoCov"> 0 : extended_glob = 1;</span></a>
|
|
<a name="3770"><span class="lineNum"> 3770 </span><span class="lineNoCov"> 0 : result = binary_test (cond->op->word, arg1, arg2, TEST_PATMATCH|TEST_ARITHEXP|TEST_LOCALE)</span></a>
|
|
<a name="3771"><span class="lineNum"> 3771 </span> : ? EXECUTION_SUCCESS</a>
|
|
<a name="3772"><span class="lineNum"> 3772 </span><span class="lineNoCov"> 0 : : EXECUTION_FAILURE;</span></a>
|
|
<a name="3773"><span class="lineNum"> 3773 </span><span class="lineNoCov"> 0 : extended_glob = oe;</span></a>
|
|
<a name="3774"><span class="lineNum"> 3774 </span> : }</a>
|
|
<a name="3775"><span class="lineNum"> 3775 </span><span class="lineNoCov"> 0 : if (arg1 != nullstr)</span></a>
|
|
<a name="3776"><span class="lineNum"> 3776 </span><span class="lineNoCov"> 0 : free (arg1);</span></a>
|
|
<a name="3777"><span class="lineNum"> 3777 </span><span class="lineNoCov"> 0 : if (arg2 != nullstr)</span></a>
|
|
<a name="3778"><span class="lineNum"> 3778 </span><span class="lineNoCov"> 0 : free (arg2);</span></a>
|
|
<a name="3779"><span class="lineNum"> 3779 </span> : }</a>
|
|
<a name="3780"><span class="lineNum"> 3780 </span> : else</a>
|
|
<a name="3781"><span class="lineNum"> 3781 </span> : {</a>
|
|
<a name="3782"><span class="lineNum"> 3782 </span><span class="lineNoCov"> 0 : command_error ("execute_cond_node", CMDERR_BADTYPE, cond->type, 0);</span></a>
|
|
<a name="3783"><span class="lineNum"> 3783 </span><span class="lineNoCov"> 0 : jump_to_top_level (DISCARD);</span></a>
|
|
<a name="3784"><span class="lineNum"> 3784 </span> : result = EXECUTION_FAILURE;</a>
|
|
<a name="3785"><span class="lineNum"> 3785 </span> : }</a>
|
|
<a name="3786"><span class="lineNum"> 3786 </span> : </a>
|
|
<a name="3787"><span class="lineNum"> 3787 </span><span class="lineNoCov"> 0 : if (invert)</span></a>
|
|
<a name="3788"><span class="lineNum"> 3788 </span><span class="lineNoCov"> 0 : result = (result == EXECUTION_SUCCESS) ? EXECUTION_FAILURE : EXECUTION_SUCCESS;</span></a>
|
|
<a name="3789"><span class="lineNum"> 3789 </span> : </a>
|
|
<a name="3790"><span class="lineNum"> 3790 </span><span class="lineNoCov"> 0 : return result;</span></a>
|
|
<a name="3791"><span class="lineNum"> 3791 </span> : }</a>
|
|
<a name="3792"><span class="lineNum"> 3792 </span> : </a>
|
|
<a name="3793"><span class="lineNum"> 3793 </span> : static int</a>
|
|
<a name="3794"><span class="lineNum"> 3794 </span><span class="lineNoCov"> 0 : execute_cond_command (cond_command)</span></a>
|
|
<a name="3795"><span class="lineNum"> 3795 </span> : COND_COM *cond_command;</a>
|
|
<a name="3796"><span class="lineNum"> 3796 </span> : {</a>
|
|
<a name="3797"><span class="lineNum"> 3797 </span><span class="lineNoCov"> 0 : int retval, save_line_number;</span></a>
|
|
<a name="3798"><span class="lineNum"> 3798 </span> : </a>
|
|
<a name="3799"><span class="lineNum"> 3799 </span><span class="lineNoCov"> 0 : retval = EXECUTION_SUCCESS;</span></a>
|
|
<a name="3800"><span class="lineNum"> 3800 </span><span class="lineNoCov"> 0 : save_line_number = line_number;</span></a>
|
|
<a name="3801"><span class="lineNum"> 3801 </span> : </a>
|
|
<a name="3802"><span class="lineNum"> 3802 </span><span class="lineNoCov"> 0 : this_command_name = "[[";</span></a>
|
|
<a name="3803"><span class="lineNum"> 3803 </span><span class="lineNoCov"> 0 : line_number = cond_command->line;</span></a>
|
|
<a name="3804"><span class="lineNum"> 3804 </span> : /* If we're in a function, update the line number information. */</a>
|
|
<a name="3805"><span class="lineNum"> 3805 </span><span class="lineNoCov"> 0 : if (variable_context && interactive_shell)</span></a>
|
|
<a name="3806"><span class="lineNum"> 3806 </span> : {</a>
|
|
<a name="3807"><span class="lineNum"> 3807 </span><span class="lineNoCov"> 0 : line_number -= function_line_number;</span></a>
|
|
<a name="3808"><span class="lineNum"> 3808 </span><span class="lineNoCov"> 0 : if (line_number < 0)</span></a>
|
|
<a name="3809"><span class="lineNum"> 3809 </span><span class="lineNoCov"> 0 : line_number = 0;</span></a>
|
|
<a name="3810"><span class="lineNum"> 3810 </span> : }</a>
|
|
<a name="3811"><span class="lineNum"> 3811 </span><span class="lineNoCov"> 0 : command_string_index = 0;</span></a>
|
|
<a name="3812"><span class="lineNum"> 3812 </span><span class="lineNoCov"> 0 : print_cond_command (cond_command);</span></a>
|
|
<a name="3813"><span class="lineNum"> 3813 </span> : </a>
|
|
<a name="3814"><span class="lineNum"> 3814 </span><span class="lineNoCov"> 0 : if (signal_in_progress (DEBUG_TRAP) == 0)</span></a>
|
|
<a name="3815"><span class="lineNum"> 3815 </span> : {</a>
|
|
<a name="3816"><span class="lineNum"> 3816 </span><span class="lineNoCov"> 0 : FREE (the_printed_command_except_trap);</span></a>
|
|
<a name="3817"><span class="lineNum"> 3817 </span><span class="lineNoCov"> 0 : the_printed_command_except_trap = savestring (the_printed_command);</span></a>
|
|
<a name="3818"><span class="lineNum"> 3818 </span> : }</a>
|
|
<a name="3819"><span class="lineNum"> 3819 </span> : </a>
|
|
<a name="3820"><span class="lineNum"> 3820 </span> : /* Run the debug trap before each conditional command, but do it after we</a>
|
|
<a name="3821"><span class="lineNum"> 3821 </span> : update the line number information. */</a>
|
|
<a name="3822"><span class="lineNum"> 3822 </span><span class="lineNoCov"> 0 : retval = run_debug_trap ();</span></a>
|
|
<a name="3823"><span class="lineNum"> 3823 </span> : #if defined (DEBUGGER)</a>
|
|
<a name="3824"><span class="lineNum"> 3824 </span> : /* In debugging mode, if the DEBUG trap returns a non-zero status, we</a>
|
|
<a name="3825"><span class="lineNum"> 3825 </span> : skip the command. */</a>
|
|
<a name="3826"><span class="lineNum"> 3826 </span><span class="lineNoCov"> 0 : if (debugging_mode && retval != EXECUTION_SUCCESS)</span></a>
|
|
<a name="3827"><span class="lineNum"> 3827 </span> : {</a>
|
|
<a name="3828"><span class="lineNum"> 3828 </span><span class="lineNoCov"> 0 : line_number = save_line_number;</span></a>
|
|
<a name="3829"><span class="lineNum"> 3829 </span><span class="lineNoCov"> 0 : return (EXECUTION_SUCCESS);</span></a>
|
|
<a name="3830"><span class="lineNum"> 3830 </span> : }</a>
|
|
<a name="3831"><span class="lineNum"> 3831 </span> : #endif</a>
|
|
<a name="3832"><span class="lineNum"> 3832 </span> : </a>
|
|
<a name="3833"><span class="lineNum"> 3833 </span> : #if 0</a>
|
|
<a name="3834"><span class="lineNum"> 3834 </span> : debug_print_cond_command (cond_command);</a>
|
|
<a name="3835"><span class="lineNum"> 3835 </span> : #endif</a>
|
|
<a name="3836"><span class="lineNum"> 3836 </span> : </a>
|
|
<a name="3837"><span class="lineNum"> 3837 </span><span class="lineNoCov"> 0 : last_command_exit_value = retval = execute_cond_node (cond_command);</span></a>
|
|
<a name="3838"><span class="lineNum"> 3838 </span><span class="lineNoCov"> 0 : line_number = save_line_number;</span></a>
|
|
<a name="3839"><span class="lineNum"> 3839 </span><span class="lineNoCov"> 0 : return (retval);</span></a>
|
|
<a name="3840"><span class="lineNum"> 3840 </span> : }</a>
|
|
<a name="3841"><span class="lineNum"> 3841 </span> : #endif /* COND_COMMAND */</a>
|
|
<a name="3842"><span class="lineNum"> 3842 </span> : </a>
|
|
<a name="3843"><span class="lineNum"> 3843 </span> : static void</a>
|
|
<a name="3844"><span class="lineNum"> 3844 </span><span class="lineCov"> 78954924 : bind_lastarg (arg)</span></a>
|
|
<a name="3845"><span class="lineNum"> 3845 </span> : char *arg;</a>
|
|
<a name="3846"><span class="lineNum"> 3846 </span> : {</a>
|
|
<a name="3847"><span class="lineNum"> 3847 </span><span class="lineCov"> 78954924 : SHELL_VAR *var;</span></a>
|
|
<a name="3848"><span class="lineNum"> 3848 </span> : </a>
|
|
<a name="3849"><span class="lineNum"> 3849 </span><span class="lineCov"> 78954924 : if (arg == 0)</span></a>
|
|
<a name="3850"><span class="lineNum"> 3850 </span><span class="lineCov"> 24933210 : arg = "";</span></a>
|
|
<a name="3851"><span class="lineNum"> 3851 </span><span class="lineCov"> 78954924 : var = bind_variable ("_", arg, 0);</span></a>
|
|
<a name="3852"><span class="lineNum"> 3852 </span><span class="lineCov"> 78954924 : if (var)</span></a>
|
|
<a name="3853"><span class="lineNum"> 3853 </span><span class="lineCov"> 78954924 : VUNSETATTR (var, att_exported);</span></a>
|
|
<a name="3854"><span class="lineNum"> 3854 </span><span class="lineCov"> 78954924 : }</span></a>
|
|
<a name="3855"><span class="lineNum"> 3855 </span> : </a>
|
|
<a name="3856"><span class="lineNum"> 3856 </span> : /* Execute a null command. Fork a subshell if the command uses pipes or is</a>
|
|
<a name="3857"><span class="lineNum"> 3857 </span> : to be run asynchronously. This handles all the side effects that are</a>
|
|
<a name="3858"><span class="lineNum"> 3858 </span> : supposed to take place. */</a>
|
|
<a name="3859"><span class="lineNum"> 3859 </span> : static int</a>
|
|
<a name="3860"><span class="lineNum"> 3860 </span><span class="lineCov"> 24873007 : execute_null_command (redirects, pipe_in, pipe_out, async)</span></a>
|
|
<a name="3861"><span class="lineNum"> 3861 </span> : REDIRECT *redirects;</a>
|
|
<a name="3862"><span class="lineNum"> 3862 </span> : int pipe_in, pipe_out, async;</a>
|
|
<a name="3863"><span class="lineNum"> 3863 </span> : {</a>
|
|
<a name="3864"><span class="lineNum"> 3864 </span><span class="lineCov"> 24873007 : int r;</span></a>
|
|
<a name="3865"><span class="lineNum"> 3865 </span><span class="lineCov"> 24873007 : int forcefork;</span></a>
|
|
<a name="3866"><span class="lineNum"> 3866 </span><span class="lineCov"> 24873007 : REDIRECT *rd;</span></a>
|
|
<a name="3867"><span class="lineNum"> 3867 </span> : </a>
|
|
<a name="3868"><span class="lineNum"> 3868 </span><span class="lineCov"> 24874095 : for (forcefork = 0, rd = redirects; rd; rd = rd->next)</span></a>
|
|
<a name="3869"><span class="lineNum"> 3869 </span><span class="lineCov"> 1088 : forcefork += rd->rflags & REDIR_VARASSIGN;</span></a>
|
|
<a name="3870"><span class="lineNum"> 3870 </span> : </a>
|
|
<a name="3871"><span class="lineNum"> 3871 </span><span class="lineCov"> 24873007 : if (forcefork || pipe_in != NO_PIPE || pipe_out != NO_PIPE || async)</span></a>
|
|
<a name="3872"><span class="lineNum"> 3872 </span> : {</a>
|
|
<a name="3873"><span class="lineNum"> 3873 </span> : /* We have a null command, but we really want a subshell to take</a>
|
|
<a name="3874"><span class="lineNum"> 3874 </span> : care of it. Just fork, do piping and redirections, and exit. */</a>
|
|
<a name="3875"><span class="lineNum"> 3875 </span><span class="lineNoCov"> 0 : if (make_child ((char *)NULL, async) == 0)</span></a>
|
|
<a name="3876"><span class="lineNum"> 3876 </span> : {</a>
|
|
<a name="3877"><span class="lineNum"> 3877 </span> : /* Cancel traps, in trap.c. */</a>
|
|
<a name="3878"><span class="lineNum"> 3878 </span><span class="lineNoCov"> 0 : restore_original_signals (); /* XXX */</span></a>
|
|
<a name="3879"><span class="lineNum"> 3879 </span> : </a>
|
|
<a name="3880"><span class="lineNum"> 3880 </span><span class="lineNoCov"> 0 : do_piping (pipe_in, pipe_out);</span></a>
|
|
<a name="3881"><span class="lineNum"> 3881 </span> : </a>
|
|
<a name="3882"><span class="lineNum"> 3882 </span> : #if defined (COPROCESS_SUPPORT)</a>
|
|
<a name="3883"><span class="lineNum"> 3883 </span><span class="lineNoCov"> 0 : coproc_closeall ();</span></a>
|
|
<a name="3884"><span class="lineNum"> 3884 </span> : #endif</a>
|
|
<a name="3885"><span class="lineNum"> 3885 </span> : </a>
|
|
<a name="3886"><span class="lineNum"> 3886 </span><span class="lineNoCov"> 0 : subshell_environment = 0;</span></a>
|
|
<a name="3887"><span class="lineNum"> 3887 </span><span class="lineNoCov"> 0 : if (async)</span></a>
|
|
<a name="3888"><span class="lineNum"> 3888 </span><span class="lineNoCov"> 0 : subshell_environment |= SUBSHELL_ASYNC;</span></a>
|
|
<a name="3889"><span class="lineNum"> 3889 </span><span class="lineNoCov"> 0 : if (pipe_in != NO_PIPE || pipe_out != NO_PIPE)</span></a>
|
|
<a name="3890"><span class="lineNum"> 3890 </span><span class="lineNoCov"> 0 : subshell_environment |= SUBSHELL_PIPE;</span></a>
|
|
<a name="3891"><span class="lineNum"> 3891 </span> : </a>
|
|
<a name="3892"><span class="lineNum"> 3892 </span><span class="lineNoCov"> 0 : if (do_redirections (redirects, RX_ACTIVE) == 0)</span></a>
|
|
<a name="3893"><span class="lineNum"> 3893 </span><span class="lineNoCov"> 0 : exit (EXECUTION_SUCCESS);</span></a>
|
|
<a name="3894"><span class="lineNum"> 3894 </span> : else</a>
|
|
<a name="3895"><span class="lineNum"> 3895 </span><span class="lineNoCov"> 0 : exit (EXECUTION_FAILURE);</span></a>
|
|
<a name="3896"><span class="lineNum"> 3896 </span> : }</a>
|
|
<a name="3897"><span class="lineNum"> 3897 </span> : else</a>
|
|
<a name="3898"><span class="lineNum"> 3898 </span> : {</a>
|
|
<a name="3899"><span class="lineNum"> 3899 </span><span class="lineNoCov"> 0 : close_pipes (pipe_in, pipe_out);</span></a>
|
|
<a name="3900"><span class="lineNum"> 3900 </span> : #if defined (PROCESS_SUBSTITUTION) && defined (HAVE_DEV_FD)</a>
|
|
<a name="3901"><span class="lineNum"> 3901 </span><span class="lineNoCov"> 0 : if (pipe_out == NO_PIPE)</span></a>
|
|
<a name="3902"><span class="lineNum"> 3902 </span><span class="lineNoCov"> 0 : unlink_fifo_list ();</span></a>
|
|
<a name="3903"><span class="lineNum"> 3903 </span> : #endif</a>
|
|
<a name="3904"><span class="lineNum"> 3904 </span><span class="lineNoCov"> 0 : return (EXECUTION_SUCCESS);</span></a>
|
|
<a name="3905"><span class="lineNum"> 3905 </span> : }</a>
|
|
<a name="3906"><span class="lineNum"> 3906 </span> : }</a>
|
|
<a name="3907"><span class="lineNum"> 3907 </span> : else</a>
|
|
<a name="3908"><span class="lineNum"> 3908 </span> : {</a>
|
|
<a name="3909"><span class="lineNum"> 3909 </span> : /* Even if there aren't any command names, pretend to do the</a>
|
|
<a name="3910"><span class="lineNum"> 3910 </span> : redirections that are specified. The user expects the side</a>
|
|
<a name="3911"><span class="lineNum"> 3911 </span> : effects to take place. If the redirections fail, then return</a>
|
|
<a name="3912"><span class="lineNum"> 3912 </span> : failure. Otherwise, if a command substitution took place while</a>
|
|
<a name="3913"><span class="lineNum"> 3913 </span> : expanding the command or a redirection, return the value of that</a>
|
|
<a name="3914"><span class="lineNum"> 3914 </span> : substitution. Otherwise, return EXECUTION_SUCCESS. */</a>
|
|
<a name="3915"><span class="lineNum"> 3915 </span> : </a>
|
|
<a name="3916"><span class="lineNum"> 3916 </span><span class="lineCov"> 24873007 : r = do_redirections (redirects, RX_ACTIVE|RX_UNDOABLE);</span></a>
|
|
<a name="3917"><span class="lineNum"> 3917 </span><span class="lineCov"> 24873007 : cleanup_redirects (redirection_undo_list);</span></a>
|
|
<a name="3918"><span class="lineNum"> 3918 </span><span class="lineCov"> 24873007 : redirection_undo_list = (REDIRECT *)NULL;</span></a>
|
|
<a name="3919"><span class="lineNum"> 3919 </span> : </a>
|
|
<a name="3920"><span class="lineNum"> 3920 </span><span class="lineCov"> 24873007 : if (r != 0)</span></a>
|
|
<a name="3921"><span class="lineNum"> 3921 </span> : return (EXECUTION_FAILURE);</a>
|
|
<a name="3922"><span class="lineNum"> 3922 </span><span class="lineCov"> 24872391 : else if (last_command_subst_pid != NO_PID)</span></a>
|
|
<a name="3923"><span class="lineNum"> 3923 </span><span class="lineCov"> 62 : return (last_command_exit_value);</span></a>
|
|
<a name="3924"><span class="lineNum"> 3924 </span> : else</a>
|
|
<a name="3925"><span class="lineNum"> 3925 </span> : return (EXECUTION_SUCCESS);</a>
|
|
<a name="3926"><span class="lineNum"> 3926 </span> : }</a>
|
|
<a name="3927"><span class="lineNum"> 3927 </span> : }</a>
|
|
<a name="3928"><span class="lineNum"> 3928 </span> : </a>
|
|
<a name="3929"><span class="lineNum"> 3929 </span> : /* This is a hack to suppress word splitting for assignment statements</a>
|
|
<a name="3930"><span class="lineNum"> 3930 </span> : given as arguments to builtins with the ASSIGNMENT_BUILTIN flag set. */</a>
|
|
<a name="3931"><span class="lineNum"> 3931 </span> : static void</a>
|
|
<a name="3932"><span class="lineNum"> 3932 </span><span class="lineCov"> 86303229 : fix_assignment_words (words)</span></a>
|
|
<a name="3933"><span class="lineNum"> 3933 </span> : WORD_LIST *words;</a>
|
|
<a name="3934"><span class="lineNum"> 3934 </span> : {</a>
|
|
<a name="3935"><span class="lineNum"> 3935 </span><span class="lineCov"> 86303229 : WORD_LIST *w, *wcmd;</span></a>
|
|
<a name="3936"><span class="lineNum"> 3936 </span><span class="lineCov"> 86303229 : struct builtin *b;</span></a>
|
|
<a name="3937"><span class="lineNum"> 3937 </span><span class="lineCov"> 86303229 : int assoc, global, array, integer;</span></a>
|
|
<a name="3938"><span class="lineNum"> 3938 </span> : </a>
|
|
<a name="3939"><span class="lineNum"> 3939 </span><span class="lineCov"> 86303229 : if (words == 0)</span></a>
|
|
<a name="3940"><span class="lineNum"> 3940 </span> : return;</a>
|
|
<a name="3941"><span class="lineNum"> 3941 </span> : </a>
|
|
<a name="3942"><span class="lineNum"> 3942 </span> : b = 0;</a>
|
|
<a name="3943"><span class="lineNum"> 3943 </span> : assoc = global = array = integer = 0;</a>
|
|
<a name="3944"><span class="lineNum"> 3944 </span> : </a>
|
|
<a name="3945"><span class="lineNum"> 3945 </span> : /* Skip over assignment statements preceding a command name */</a>
|
|
<a name="3946"><span class="lineNum"> 3946 </span> : wcmd = words;</a>
|
|
<a name="3947"><span class="lineNum"> 3947 </span><span class="lineCov"> 111181660 : for (wcmd = words; wcmd; wcmd = wcmd->next)</span></a>
|
|
<a name="3948"><span class="lineNum"> 3948 </span><span class="lineCov"> 86309809 : if ((wcmd->word->flags & W_ASSIGNMENT) == 0)</span></a>
|
|
<a name="3949"><span class="lineNum"> 3949 </span> : break;</a>
|
|
<a name="3950"><span class="lineNum"> 3950 </span> : /* Posix (post-2008) says that `command' doesn't change whether</a>
|
|
<a name="3951"><span class="lineNum"> 3951 </span> : or not the builtin it shadows is a `declaration command', even</a>
|
|
<a name="3952"><span class="lineNum"> 3952 </span> : though it removes other special builtin properties. In Posix</a>
|
|
<a name="3953"><span class="lineNum"> 3953 </span> : mode, we skip over one or more instances of `command' and</a>
|
|
<a name="3954"><span class="lineNum"> 3954 </span> : deal with the next word as the assignment builtin. */</a>
|
|
<a name="3955"><span class="lineNum"> 3955 </span><span class="lineCov"> 86302291 : while (posixly_correct && wcmd && wcmd->word && wcmd->word->word && STREQ (wcmd->word->word, "command"))</span></a>
|
|
<a name="3956"><span class="lineNum"> 3956 </span><span class="lineNoCov"> 0 : wcmd = wcmd->next;</span></a>
|
|
<a name="3957"><span class="lineNum"> 3957 </span> : </a>
|
|
<a name="3958"><span class="lineNum"> 3958 </span><span class="lineCov"> 259621573 : for (w = wcmd; w; w = w->next)</span></a>
|
|
<a name="3959"><span class="lineNum"> 3959 </span><span class="lineCov"> 173347353 : if (w->word->flags & W_ASSIGNMENT)</span></a>
|
|
<a name="3960"><span class="lineNum"> 3960 </span> : {</a>
|
|
<a name="3961"><span class="lineNum"> 3961 </span> : /* Lazy builtin lookup, only do it if we find an assignment */</a>
|
|
<a name="3962"><span class="lineNum"> 3962 </span><span class="lineCov"> 12703 : if (b == 0)</span></a>
|
|
<a name="3963"><span class="lineNum"> 3963 </span> : {</a>
|
|
<a name="3964"><span class="lineNum"> 3964 </span><span class="lineCov"> 12703 : b = builtin_address_internal (wcmd->word->word, 0);</span></a>
|
|
<a name="3965"><span class="lineNum"> 3965 </span><span class="lineCov"> 12703 : if (b == 0 || (b->flags & ASSIGNMENT_BUILTIN) == 0)</span></a>
|
|
<a name="3966"><span class="lineNum"> 3966 </span> : return;</a>
|
|
<a name="3967"><span class="lineNum"> 3967 </span><span class="lineCov"> 60 : else if (b && (b->flags & ASSIGNMENT_BUILTIN))</span></a>
|
|
<a name="3968"><span class="lineNum"> 3968 </span><span class="lineCov"> 60 : wcmd->word->flags |= W_ASSNBLTIN;</span></a>
|
|
<a name="3969"><span class="lineNum"> 3969 </span> : }</a>
|
|
<a name="3970"><span class="lineNum"> 3970 </span><span class="lineCov"> 60 : w->word->flags |= (W_NOSPLIT|W_NOGLOB|W_TILDEEXP|W_ASSIGNARG);</span></a>
|
|
<a name="3971"><span class="lineNum"> 3971 </span> : #if defined (ARRAY_VARS)</a>
|
|
<a name="3972"><span class="lineNum"> 3972 </span><span class="lineCov"> 60 : if (assoc)</span></a>
|
|
<a name="3973"><span class="lineNum"> 3973 </span><span class="lineNoCov"> 0 : w->word->flags |= W_ASSIGNASSOC;</span></a>
|
|
<a name="3974"><span class="lineNum"> 3974 </span><span class="lineCov"> 60 : if (array)</span></a>
|
|
<a name="3975"><span class="lineNum"> 3975 </span><span class="lineNoCov"> 0 : w->word->flags |= W_ASSIGNARRAY;</span></a>
|
|
<a name="3976"><span class="lineNum"> 3976 </span> : #endif</a>
|
|
<a name="3977"><span class="lineNum"> 3977 </span><span class="lineCov"> 60 : if (global)</span></a>
|
|
<a name="3978"><span class="lineNum"> 3978 </span><span class="lineNoCov"> 0 : w->word->flags |= W_ASSNGLOBAL;</span></a>
|
|
<a name="3979"><span class="lineNum"> 3979 </span> : </a>
|
|
<a name="3980"><span class="lineNum"> 3980 </span> : /* If we have an assignment builtin that does not create local variables,</a>
|
|
<a name="3981"><span class="lineNum"> 3981 </span> : make sure we create global variables even if we internally call</a>
|
|
<a name="3982"><span class="lineNum"> 3982 </span> : `declare' */</a>
|
|
<a name="3983"><span class="lineNum"> 3983 </span><span class="lineCov"> 60 : if (b && ((b->flags & (ASSIGNMENT_BUILTIN|LOCALVAR_BUILTIN)) == ASSIGNMENT_BUILTIN))</span></a>
|
|
<a name="3984"><span class="lineNum"> 3984 </span><span class="lineCov"> 36 : w->word->flags |= W_ASSNGLOBAL;</span></a>
|
|
<a name="3985"><span class="lineNum"> 3985 </span> : }</a>
|
|
<a name="3986"><span class="lineNum"> 3986 </span> : #if defined (ARRAY_VARS)</a>
|
|
<a name="3987"><span class="lineNum"> 3987 </span> : /* Note that we saw an associative array option to a builtin that takes</a>
|
|
<a name="3988"><span class="lineNum"> 3988 </span> : assignment statements. This is a bit of a kludge. */</a>
|
|
<a name="3989"><span class="lineNum"> 3989 </span><span class="lineCov"> 173334650 : else if (w->word->word[0] == '-' && (strpbrk (w->word->word+1, "Aag") != 0))</span></a>
|
|
<a name="3990"><span class="lineNum"> 3990 </span> : #else</a>
|
|
<a name="3991"><span class="lineNum"> 3991 </span> : else if (w->word->word[0] == '-' && strchr (w->word->word+1, 'g'))</a>
|
|
<a name="3992"><span class="lineNum"> 3992 </span> : #endif</a>
|
|
<a name="3993"><span class="lineNum"> 3993 </span> : {</a>
|
|
<a name="3994"><span class="lineNum"> 3994 </span><span class="lineCov"> 15428 : if (b == 0)</span></a>
|
|
<a name="3995"><span class="lineNum"> 3995 </span> : {</a>
|
|
<a name="3996"><span class="lineNum"> 3996 </span><span class="lineCov"> 15428 : b = builtin_address_internal (wcmd->word->word, 0);</span></a>
|
|
<a name="3997"><span class="lineNum"> 3997 </span><span class="lineCov"> 15428 : if (b == 0 || (b->flags & ASSIGNMENT_BUILTIN) == 0)</span></a>
|
|
<a name="3998"><span class="lineNum"> 3998 </span> : return;</a>
|
|
<a name="3999"><span class="lineNum"> 3999 </span><span class="lineNoCov"> 0 : else if (b && (b->flags & ASSIGNMENT_BUILTIN))</span></a>
|
|
<a name="4000"><span class="lineNum"> 4000 </span><span class="lineNoCov"> 0 : wcmd->word->flags |= W_ASSNBLTIN;</span></a>
|
|
<a name="4001"><span class="lineNum"> 4001 </span> : }</a>
|
|
<a name="4002"><span class="lineNum"> 4002 </span><span class="lineNoCov"> 0 : if ((wcmd->word->flags & W_ASSNBLTIN) && strchr (w->word->word+1, 'A'))</span></a>
|
|
<a name="4003"><span class="lineNum"> 4003 </span> : assoc = 1;</a>
|
|
<a name="4004"><span class="lineNum"> 4004 </span><span class="lineNoCov"> 0 : else if ((wcmd->word->flags & W_ASSNBLTIN) && strchr (w->word->word+1, 'a'))</span></a>
|
|
<a name="4005"><span class="lineNum"> 4005 </span><span class="lineNoCov"> 0 : array = 1;</span></a>
|
|
<a name="4006"><span class="lineNum"> 4006 </span><span class="lineNoCov"> 0 : if ((wcmd->word->flags & W_ASSNBLTIN) && strchr (w->word->word+1, 'g'))</span></a>
|
|
<a name="4007"><span class="lineNum"> 4007 </span><span class="lineNoCov"> 0 : global = 1;</span></a>
|
|
<a name="4008"><span class="lineNum"> 4008 </span> : }</a>
|
|
<a name="4009"><span class="lineNum"> 4009 </span> : }</a>
|
|
<a name="4010"><span class="lineNum"> 4010 </span> : </a>
|
|
<a name="4011"><span class="lineNum"> 4011 </span> : /* Return 1 if the file found by searching $PATH for PATHNAME, defaulting</a>
|
|
<a name="4012"><span class="lineNum"> 4012 </span> : to PATHNAME, is a directory. Used by the autocd code below. */</a>
|
|
<a name="4013"><span class="lineNum"> 4013 </span> : static int</a>
|
|
<a name="4014"><span class="lineNum"> 4014 </span><span class="lineNoCov"> 0 : is_dirname (pathname)</span></a>
|
|
<a name="4015"><span class="lineNum"> 4015 </span> : char *pathname;</a>
|
|
<a name="4016"><span class="lineNum"> 4016 </span> : {</a>
|
|
<a name="4017"><span class="lineNum"> 4017 </span><span class="lineNoCov"> 0 : char *temp;</span></a>
|
|
<a name="4018"><span class="lineNum"> 4018 </span><span class="lineNoCov"> 0 : int ret;</span></a>
|
|
<a name="4019"><span class="lineNum"> 4019 </span> : </a>
|
|
<a name="4020"><span class="lineNum"> 4020 </span><span class="lineNoCov"> 0 : temp = search_for_command (pathname, 0);</span></a>
|
|
<a name="4021"><span class="lineNum"> 4021 </span><span class="lineNoCov"> 0 : ret = temp ? file_isdir (temp) : file_isdir (pathname);</span></a>
|
|
<a name="4022"><span class="lineNum"> 4022 </span><span class="lineNoCov"> 0 : free (temp);</span></a>
|
|
<a name="4023"><span class="lineNum"> 4023 </span><span class="lineNoCov"> 0 : return ret;</span></a>
|
|
<a name="4024"><span class="lineNum"> 4024 </span> : }</a>
|
|
<a name="4025"><span class="lineNum"> 4025 </span> : </a>
|
|
<a name="4026"><span class="lineNum"> 4026 </span> : /* The meaty part of all the executions. We have to start hacking the</a>
|
|
<a name="4027"><span class="lineNum"> 4027 </span> : real execution of commands here. Fork a process, set things up,</a>
|
|
<a name="4028"><span class="lineNum"> 4028 </span> : execute the command. */</a>
|
|
<a name="4029"><span class="lineNum"> 4029 </span> : static int</a>
|
|
<a name="4030"><span class="lineNum"> 4030 </span><span class="lineCov"> 86303246 : execute_simple_command (simple_command, pipe_in, pipe_out, async, fds_to_close)</span></a>
|
|
<a name="4031"><span class="lineNum"> 4031 </span> : SIMPLE_COM *simple_command;</a>
|
|
<a name="4032"><span class="lineNum"> 4032 </span> : int pipe_in, pipe_out, async;</a>
|
|
<a name="4033"><span class="lineNum"> 4033 </span> : struct fd_bitmap *fds_to_close;</a>
|
|
<a name="4034"><span class="lineNum"> 4034 </span> : {</a>
|
|
<a name="4035"><span class="lineNum"> 4035 </span><span class="lineCov"> 86303246 : WORD_LIST *words, *lastword;</span></a>
|
|
<a name="4036"><span class="lineNum"> 4036 </span><span class="lineCov"> 86303246 : char *command_line, *lastarg, *temp;</span></a>
|
|
<a name="4037"><span class="lineNum"> 4037 </span><span class="lineCov"> 86303246 : int first_word_quoted, result, builtin_is_special, already_forked, dofork;</span></a>
|
|
<a name="4038"><span class="lineNum"> 4038 </span><span class="lineCov"> 86303246 : pid_t old_last_async_pid;</span></a>
|
|
<a name="4039"><span class="lineNum"> 4039 </span><span class="lineCov"> 86303246 : sh_builtin_func_t *builtin;</span></a>
|
|
<a name="4040"><span class="lineNum"> 4040 </span><span class="lineCov"> 86303246 : SHELL_VAR *func;</span></a>
|
|
<a name="4041"><span class="lineNum"> 4041 </span><span class="lineCov"> 86303246 : volatile int old_builtin, old_command_builtin;</span></a>
|
|
<a name="4042"><span class="lineNum"> 4042 </span> : </a>
|
|
<a name="4043"><span class="lineNum"> 4043 </span><span class="lineCov"> 86303246 : result = EXECUTION_SUCCESS;</span></a>
|
|
<a name="4044"><span class="lineNum"> 4044 </span><span class="lineCov"> 86303246 : special_builtin_failed = builtin_is_special = 0;</span></a>
|
|
<a name="4045"><span class="lineNum"> 4045 </span><span class="lineCov"> 86303246 : command_line = (char *)0;</span></a>
|
|
<a name="4046"><span class="lineNum"> 4046 </span> : </a>
|
|
<a name="4047"><span class="lineNum"> 4047 </span><span class="lineCov"> 86303246 : QUIT;</span></a>
|
|
<a name="4048"><span class="lineNum"> 4048 </span> : </a>
|
|
<a name="4049"><span class="lineNum"> 4049 </span> : /* If we're in a function, update the line number information. */</a>
|
|
<a name="4050"><span class="lineNum"> 4050 </span><span class="lineCov"> 86303246 : if (variable_context && interactive_shell && sourcelevel == 0)</span></a>
|
|
<a name="4051"><span class="lineNum"> 4051 </span> : {</a>
|
|
<a name="4052"><span class="lineNum"> 4052 </span><span class="lineNoCov"> 0 : line_number -= function_line_number;</span></a>
|
|
<a name="4053"><span class="lineNum"> 4053 </span><span class="lineNoCov"> 0 : if (line_number < 0)</span></a>
|
|
<a name="4054"><span class="lineNum"> 4054 </span><span class="lineNoCov"> 0 : line_number = 0;</span></a>
|
|
<a name="4055"><span class="lineNum"> 4055 </span> : }</a>
|
|
<a name="4056"><span class="lineNum"> 4056 </span> : </a>
|
|
<a name="4057"><span class="lineNum"> 4057 </span> : /* Remember what this command line looks like at invocation. */</a>
|
|
<a name="4058"><span class="lineNum"> 4058 </span><span class="lineCov"> 86303246 : command_string_index = 0;</span></a>
|
|
<a name="4059"><span class="lineNum"> 4059 </span><span class="lineCov"> 86303246 : print_simple_command (simple_command);</span></a>
|
|
<a name="4060"><span class="lineNum"> 4060 </span> : </a>
|
|
<a name="4061"><span class="lineNum"> 4061 </span> : #if 0</a>
|
|
<a name="4062"><span class="lineNum"> 4062 </span> : if (signal_in_progress (DEBUG_TRAP) == 0 && (this_command_name == 0 || (STREQ (this_command_name, "trap") == 0)))</a>
|
|
<a name="4063"><span class="lineNum"> 4063 </span> : #else</a>
|
|
<a name="4064"><span class="lineNum"> 4064 </span><span class="lineCov"> 86303246 : if (signal_in_progress (DEBUG_TRAP) == 0 && running_trap == 0)</span></a>
|
|
<a name="4065"><span class="lineNum"> 4065 </span> : #endif</a>
|
|
<a name="4066"><span class="lineNum"> 4066 </span> : {</a>
|
|
<a name="4067"><span class="lineNum"> 4067 </span><span class="lineCov"> 86303237 : FREE (the_printed_command_except_trap);</span></a>
|
|
<a name="4068"><span class="lineNum"> 4068 </span><span class="lineCov"> 86303237 : the_printed_command_except_trap = the_printed_command ? savestring (the_printed_command) : (char *)0;</span></a>
|
|
<a name="4069"><span class="lineNum"> 4069 </span> : }</a>
|
|
<a name="4070"><span class="lineNum"> 4070 </span> : </a>
|
|
<a name="4071"><span class="lineNum"> 4071 </span> : /* Run the debug trap before each simple command, but do it after we</a>
|
|
<a name="4072"><span class="lineNum"> 4072 </span> : update the line number information. */</a>
|
|
<a name="4073"><span class="lineNum"> 4073 </span><span class="lineCov"> 86303246 : result = run_debug_trap ();</span></a>
|
|
<a name="4074"><span class="lineNum"> 4074 </span> : #if defined (DEBUGGER)</a>
|
|
<a name="4075"><span class="lineNum"> 4075 </span> : /* In debugging mode, if the DEBUG trap returns a non-zero status, we</a>
|
|
<a name="4076"><span class="lineNum"> 4076 </span> : skip the command. */</a>
|
|
<a name="4077"><span class="lineNum"> 4077 </span><span class="lineCov"> 86303246 : if (debugging_mode && result != EXECUTION_SUCCESS)</span></a>
|
|
<a name="4078"><span class="lineNum"> 4078 </span> : return (EXECUTION_SUCCESS);</a>
|
|
<a name="4079"><span class="lineNum"> 4079 </span> : #endif</a>
|
|
<a name="4080"><span class="lineNum"> 4080 </span> : </a>
|
|
<a name="4081"><span class="lineNum"> 4081 </span><span class="lineCov"> 172606492 : first_word_quoted =</span></a>
|
|
<a name="4082"><span class="lineNum"> 4082 </span><span class="lineCov"> 86303246 : simple_command->words ? (simple_command->words->word->flags & W_QUOTED) : 0;</span></a>
|
|
<a name="4083"><span class="lineNum"> 4083 </span> : </a>
|
|
<a name="4084"><span class="lineNum"> 4084 </span><span class="lineCov"> 86303246 : last_command_subst_pid = NO_PID;</span></a>
|
|
<a name="4085"><span class="lineNum"> 4085 </span><span class="lineCov"> 86303246 : old_last_async_pid = last_asynchronous_pid;</span></a>
|
|
<a name="4086"><span class="lineNum"> 4086 </span> : </a>
|
|
<a name="4087"><span class="lineNum"> 4087 </span><span class="lineCov"> 86303246 : already_forked = dofork = 0;</span></a>
|
|
<a name="4088"><span class="lineNum"> 4088 </span> : </a>
|
|
<a name="4089"><span class="lineNum"> 4089 </span> : /* If we're in a pipeline or run in the background, set DOFORK so we</a>
|
|
<a name="4090"><span class="lineNum"> 4090 </span> : make the child early, before word expansion. This keeps assignment</a>
|
|
<a name="4091"><span class="lineNum"> 4091 </span> : statements from affecting the parent shell's environment when they</a>
|
|
<a name="4092"><span class="lineNum"> 4092 </span> : should not. */</a>
|
|
<a name="4093"><span class="lineNum"> 4093 </span><span class="lineCov"> 86303246 : dofork = pipe_in != NO_PIPE || pipe_out != NO_PIPE || async;</span></a>
|
|
<a name="4094"><span class="lineNum"> 4094 </span> : </a>
|
|
<a name="4095"><span class="lineNum"> 4095 </span> : /* Something like `%2 &' should restart job 2 in the background, not cause</a>
|
|
<a name="4096"><span class="lineNum"> 4096 </span> : the shell to fork here. */</a>
|
|
<a name="4097"><span class="lineNum"> 4097 </span><span class="lineCov"> 86303246 : if (dofork && pipe_in == NO_PIPE && pipe_out == NO_PIPE &&</span></a>
|
|
<a name="4098"><span class="lineNum"> 4098 </span><span class="lineCov"> 11200 : simple_command->words && simple_command->words->word &&</span></a>
|
|
<a name="4099"><span class="lineNum"> 4099 </span><span class="lineCov"> 11200 : simple_command->words->word->word &&</span></a>
|
|
<a name="4100"><span class="lineNum"> 4100 </span><span class="lineCov"> 11200 : (simple_command->words->word->word[0] == '%'))</span></a>
|
|
<a name="4101"><span class="lineNum"> 4101 </span> : dofork = 0;</a>
|
|
<a name="4102"><span class="lineNum"> 4102 </span> : </a>
|
|
<a name="4103"><span class="lineNum"> 4103 </span><span class="lineCov"> 86303229 : if (dofork)</span></a>
|
|
<a name="4104"><span class="lineNum"> 4104 </span> : {</a>
|
|
<a name="4105"><span class="lineNum"> 4105 </span> : /* Do this now, because execute_disk_command will do it anyway in the</a>
|
|
<a name="4106"><span class="lineNum"> 4106 </span> : vast majority of cases. */</a>
|
|
<a name="4107"><span class="lineNum"> 4107 </span><span class="lineCov"> 61739 : maybe_make_export_env ();</span></a>
|
|
<a name="4108"><span class="lineNum"> 4108 </span> : </a>
|
|
<a name="4109"><span class="lineNum"> 4109 </span> : /* Don't let a DEBUG trap overwrite the command string to be saved with</a>
|
|
<a name="4110"><span class="lineNum"> 4110 </span> : the process/job associated with this child. */</a>
|
|
<a name="4111"><span class="lineNum"> 4111 </span><span class="lineCov"> 61739 : if (make_child (savestring (the_printed_command_except_trap), async) == 0)</span></a>
|
|
<a name="4112"><span class="lineNum"> 4112 </span> : {</a>
|
|
<a name="4113"><span class="lineNum"> 4113 </span><span class="lineCov"> 61739 : already_forked = 1;</span></a>
|
|
<a name="4114"><span class="lineNum"> 4114 </span><span class="lineCov"> 61739 : simple_command->flags |= CMD_NO_FORK;</span></a>
|
|
<a name="4115"><span class="lineNum"> 4115 </span> : </a>
|
|
<a name="4116"><span class="lineNum"> 4116 </span><span class="lineCov"> 61739 : subshell_environment = SUBSHELL_FORK; /* XXX */</span></a>
|
|
<a name="4117"><span class="lineNum"> 4117 </span><span class="lineCov"> 61739 : if (pipe_in != NO_PIPE || pipe_out != NO_PIPE)</span></a>
|
|
<a name="4118"><span class="lineNum"> 4118 </span><span class="lineCov"> 50459 : subshell_environment |= SUBSHELL_PIPE;</span></a>
|
|
<a name="4119"><span class="lineNum"> 4119 </span><span class="lineCov"> 61739 : if (async)</span></a>
|
|
<a name="4120"><span class="lineNum"> 4120 </span><span class="lineCov"> 14825 : subshell_environment |= SUBSHELL_ASYNC;</span></a>
|
|
<a name="4121"><span class="lineNum"> 4121 </span> : </a>
|
|
<a name="4122"><span class="lineNum"> 4122 </span> : /* We need to do this before piping to handle some really</a>
|
|
<a name="4123"><span class="lineNum"> 4123 </span> : pathological cases where one of the pipe file descriptors</a>
|
|
<a name="4124"><span class="lineNum"> 4124 </span> : is < 2. */</a>
|
|
<a name="4125"><span class="lineNum"> 4125 </span><span class="lineCov"> 61739 : if (fds_to_close)</span></a>
|
|
<a name="4126"><span class="lineNum"> 4126 </span><span class="lineCov"> 61739 : close_fd_bitmap (fds_to_close);</span></a>
|
|
<a name="4127"><span class="lineNum"> 4127 </span> : </a>
|
|
<a name="4128"><span class="lineNum"> 4128 </span> : /* If we fork because of an input pipe, note input pipe for later to</a>
|
|
<a name="4129"><span class="lineNum"> 4129 </span> : inhibit async commands from redirecting stdin from /dev/null */</a>
|
|
<a name="4130"><span class="lineNum"> 4130 </span><span class="lineCov"> 61739 : stdin_redir |= pipe_in != NO_PIPE;</span></a>
|
|
<a name="4131"><span class="lineNum"> 4131 </span> : </a>
|
|
<a name="4132"><span class="lineNum"> 4132 </span><span class="lineCov"> 61739 : do_piping (pipe_in, pipe_out);</span></a>
|
|
<a name="4133"><span class="lineNum"> 4133 </span><span class="lineCov"> 61739 : pipe_in = pipe_out = NO_PIPE;</span></a>
|
|
<a name="4134"><span class="lineNum"> 4134 </span> : #if defined (COPROCESS_SUPPORT)</a>
|
|
<a name="4135"><span class="lineNum"> 4135 </span><span class="lineCov"> 61739 : coproc_closeall ();</span></a>
|
|
<a name="4136"><span class="lineNum"> 4136 </span> : #endif</a>
|
|
<a name="4137"><span class="lineNum"> 4137 </span> : </a>
|
|
<a name="4138"><span class="lineNum"> 4138 </span><span class="lineCov"> 61739 : last_asynchronous_pid = old_last_async_pid;</span></a>
|
|
<a name="4139"><span class="lineNum"> 4139 </span> : </a>
|
|
<a name="4140"><span class="lineNum"> 4140 </span><span class="lineCov"> 61739 : CHECK_SIGTERM;</span></a>
|
|
<a name="4141"><span class="lineNum"> 4141 </span> : </a>
|
|
<a name="4142"><span class="lineNum"> 4142 </span><span class="lineCov"> 61739 : if (async)</span></a>
|
|
<a name="4143"><span class="lineNum"> 4143 </span><span class="lineCov"> 14825 : subshell_level++; /* not for pipes yet */</span></a>
|
|
<a name="4144"><span class="lineNum"> 4144 </span> : }</a>
|
|
<a name="4145"><span class="lineNum"> 4145 </span> : else</a>
|
|
<a name="4146"><span class="lineNum"> 4146 </span> : {</a>
|
|
<a name="4147"><span class="lineNum"> 4147 </span> : /* Don't let simple commands that aren't the last command in a</a>
|
|
<a name="4148"><span class="lineNum"> 4148 </span> : pipeline change $? for the rest of the pipeline (or at all). */</a>
|
|
<a name="4149"><span class="lineNum"> 4149 </span><span class="lineCov"> 61736 : if (pipe_out != NO_PIPE)</span></a>
|
|
<a name="4150"><span class="lineNum"> 4150 </span><span class="lineCov"> 30359 : result = last_command_exit_value;</span></a>
|
|
<a name="4151"><span class="lineNum"> 4151 </span><span class="lineCov"> 61736 : close_pipes (pipe_in, pipe_out);</span></a>
|
|
<a name="4152"><span class="lineNum"> 4152 </span> : #if defined (PROCESS_SUBSTITUTION) && defined (HAVE_DEV_FD)</a>
|
|
<a name="4153"><span class="lineNum"> 4153 </span> : /* Close /dev/fd file descriptors in the parent after forking the</a>
|
|
<a name="4154"><span class="lineNum"> 4154 </span> : last child in a (possibly one-element) pipeline. Defer this</a>
|
|
<a name="4155"><span class="lineNum"> 4155 </span> : until any running shell function completes. */</a>
|
|
<a name="4156"><span class="lineNum"> 4156 </span><span class="lineCov"> 61736 : if (pipe_out == NO_PIPE && variable_context == 0) /* XXX */</span></a>
|
|
<a name="4157"><span class="lineNum"> 4157 </span><span class="lineCov"> 31315 : unlink_fifo_list (); /* XXX */</span></a>
|
|
<a name="4158"><span class="lineNum"> 4158 </span> : #endif</a>
|
|
<a name="4159"><span class="lineNum"> 4159 </span><span class="lineCov"> 61736 : command_line = (char *)NULL; /* don't free this. */</span></a>
|
|
<a name="4160"><span class="lineNum"> 4160 </span><span class="lineCov"> 61736 : bind_lastarg ((char *)NULL);</span></a>
|
|
<a name="4161"><span class="lineNum"> 4161 </span><span class="lineCov"> 61736 : return (result);</span></a>
|
|
<a name="4162"><span class="lineNum"> 4162 </span> : }</a>
|
|
<a name="4163"><span class="lineNum"> 4163 </span> : }</a>
|
|
<a name="4164"><span class="lineNum"> 4164 </span> : </a>
|
|
<a name="4165"><span class="lineNum"> 4165 </span><span class="lineCov"> 86303246 : QUIT; /* XXX */</span></a>
|
|
<a name="4166"><span class="lineNum"> 4166 </span> : </a>
|
|
<a name="4167"><span class="lineNum"> 4167 </span> : /* If we are re-running this as the result of executing the `command'</a>
|
|
<a name="4168"><span class="lineNum"> 4168 </span> : builtin, do not expand the command words a second time. */</a>
|
|
<a name="4169"><span class="lineNum"> 4169 </span><span class="lineCov"> 86303246 : if ((simple_command->flags & CMD_INHIBIT_EXPANSION) == 0)</span></a>
|
|
<a name="4170"><span class="lineNum"> 4170 </span> : {</a>
|
|
<a name="4171"><span class="lineNum"> 4171 </span><span class="lineCov"> 86303229 : current_fds_to_close = fds_to_close;</span></a>
|
|
<a name="4172"><span class="lineNum"> 4172 </span><span class="lineCov"> 86303229 : fix_assignment_words (simple_command->words);</span></a>
|
|
<a name="4173"><span class="lineNum"> 4173 </span> : /* Pass the ignore return flag down to command substitutions */</a>
|
|
<a name="4174"><span class="lineNum"> 4174 </span><span class="lineCov"> 86303229 : if (simple_command->flags & CMD_IGNORE_RETURN) /* XXX */</span></a>
|
|
<a name="4175"><span class="lineNum"> 4175 </span><span class="lineCov"> 24847797 : comsub_ignore_return++;</span></a>
|
|
<a name="4176"><span class="lineNum"> 4176 </span><span class="lineCov"> 86303229 : words = expand_words (simple_command->words);</span></a>
|
|
<a name="4177"><span class="lineNum"> 4177 </span><span class="lineCov"> 86296293 : if (simple_command->flags & CMD_IGNORE_RETURN)</span></a>
|
|
<a name="4178"><span class="lineNum"> 4178 </span><span class="lineCov"> 24847768 : comsub_ignore_return--;</span></a>
|
|
<a name="4179"><span class="lineNum"> 4179 </span><span class="lineCov"> 86296293 : current_fds_to_close = (struct fd_bitmap *)NULL;</span></a>
|
|
<a name="4180"><span class="lineNum"> 4180 </span> : }</a>
|
|
<a name="4181"><span class="lineNum"> 4181 </span> : else</a>
|
|
<a name="4182"><span class="lineNum"> 4182 </span><span class="lineCov"> 17 : words = copy_word_list (simple_command->words);</span></a>
|
|
<a name="4183"><span class="lineNum"> 4183 </span> : </a>
|
|
<a name="4184"><span class="lineNum"> 4184 </span> : /* It is possible for WORDS not to have anything left in it.</a>
|
|
<a name="4185"><span class="lineNum"> 4185 </span> : Perhaps all the words consisted of `$foo', and there was</a>
|
|
<a name="4186"><span class="lineNum"> 4186 </span> : no variable `$foo'. */</a>
|
|
<a name="4187"><span class="lineNum"> 4187 </span><span class="lineCov"> 86296310 : if (words == 0)</span></a>
|
|
<a name="4188"><span class="lineNum"> 4188 </span> : {</a>
|
|
<a name="4189"><span class="lineNum"> 4189 </span><span class="lineCov"> 24873007 : this_command_name = 0;</span></a>
|
|
<a name="4190"><span class="lineNum"> 4190 </span><span class="lineCov"> 24874540 : result = execute_null_command (simple_command->redirects,</span></a>
|
|
<a name="4191"><span class="lineNum"> 4191 </span> : pipe_in, pipe_out,</a>
|
|
<a name="4192"><span class="lineNum"> 4192 </span> : already_forked ? 0 : async);</a>
|
|
<a name="4193"><span class="lineNum"> 4193 </span><span class="lineCov"> 24873007 : if (already_forked)</span></a>
|
|
<a name="4194"><span class="lineNum"> 4194 </span><span class="lineCov"> 1533 : sh_exit (result);</span></a>
|
|
<a name="4195"><span class="lineNum"> 4195 </span> : else</a>
|
|
<a name="4196"><span class="lineNum"> 4196 </span> : {</a>
|
|
<a name="4197"><span class="lineNum"> 4197 </span><span class="lineCov"> 24871474 : bind_lastarg ((char *)NULL);</span></a>
|
|
<a name="4198"><span class="lineNum"> 4198 </span><span class="lineCov"> 24871474 : set_pipestatus_from_exit (result);</span></a>
|
|
<a name="4199"><span class="lineNum"> 4199 </span><span class="lineCov"> 24871474 : return (result);</span></a>
|
|
<a name="4200"><span class="lineNum"> 4200 </span> : }</a>
|
|
<a name="4201"><span class="lineNum"> 4201 </span> : }</a>
|
|
<a name="4202"><span class="lineNum"> 4202 </span> : </a>
|
|
<a name="4203"><span class="lineNum"> 4203 </span><span class="lineCov"> 61423303 : lastarg = (char *)NULL;</span></a>
|
|
<a name="4204"><span class="lineNum"> 4204 </span> : </a>
|
|
<a name="4205"><span class="lineNum"> 4205 </span><span class="lineCov"> 61423303 : begin_unwind_frame ("simple-command");</span></a>
|
|
<a name="4206"><span class="lineNum"> 4206 </span> : </a>
|
|
<a name="4207"><span class="lineNum"> 4207 </span><span class="lineCov"> 61423303 : if (echo_command_at_execute)</span></a>
|
|
<a name="4208"><span class="lineNum"> 4208 </span><span class="lineNoCov"> 0 : xtrace_print_word_list (words, 1);</span></a>
|
|
<a name="4209"><span class="lineNum"> 4209 </span> : </a>
|
|
<a name="4210"><span class="lineNum"> 4210 </span><span class="lineCov"> 61423303 : builtin = (sh_builtin_func_t *)NULL;</span></a>
|
|
<a name="4211"><span class="lineNum"> 4211 </span><span class="lineCov"> 61423303 : func = (SHELL_VAR *)NULL;</span></a>
|
|
<a name="4212"><span class="lineNum"> 4212 </span><span class="lineCov"> 61423303 : if ((simple_command->flags & CMD_NO_FUNCTIONS) == 0)</span></a>
|
|
<a name="4213"><span class="lineNum"> 4213 </span> : {</a>
|
|
<a name="4214"><span class="lineNum"> 4214 </span> : /* Posix.2 says special builtins are found before functions. We</a>
|
|
<a name="4215"><span class="lineNum"> 4215 </span> : don't set builtin_is_special anywhere other than here, because</a>
|
|
<a name="4216"><span class="lineNum"> 4216 </span> : this path is followed only when the `command' builtin is *not*</a>
|
|
<a name="4217"><span class="lineNum"> 4217 </span> : being used, and we don't want to exit the shell if a special</a>
|
|
<a name="4218"><span class="lineNum"> 4218 </span> : builtin executed with `command builtin' fails. `command' is not</a>
|
|
<a name="4219"><span class="lineNum"> 4219 </span> : a special builtin. */</a>
|
|
<a name="4220"><span class="lineNum"> 4220 </span><span class="lineCov"> 61423286 : if (posixly_correct)</span></a>
|
|
<a name="4221"><span class="lineNum"> 4221 </span> : {</a>
|
|
<a name="4222"><span class="lineNum"> 4222 </span><span class="lineNoCov"> 0 : builtin = find_special_builtin (words->word->word);</span></a>
|
|
<a name="4223"><span class="lineNum"> 4223 </span><span class="lineNoCov"> 0 : if (builtin)</span></a>
|
|
<a name="4224"><span class="lineNum"> 4224 </span><span class="lineNoCov"> 0 : builtin_is_special = 1;</span></a>
|
|
<a name="4225"><span class="lineNum"> 4225 </span> : }</a>
|
|
<a name="4226"><span class="lineNum"> 4226 </span><span class="lineNoCov"> 0 : if (builtin == 0)</span></a>
|
|
<a name="4227"><span class="lineNum"> 4227 </span><span class="lineCov"> 61423286 : func = find_function (words->word->word);</span></a>
|
|
<a name="4228"><span class="lineNum"> 4228 </span> : }</a>
|
|
<a name="4229"><span class="lineNum"> 4229 </span> : </a>
|
|
<a name="4230"><span class="lineNum"> 4230 </span> : /* In POSIX mode, assignment errors in the temporary environment cause a</a>
|
|
<a name="4231"><span class="lineNum"> 4231 </span> : non-interactive shell to exit. */</a>
|
|
<a name="4232"><span class="lineNum"> 4232 </span><span class="lineCov"> 61423303 : if (posixly_correct && builtin_is_special && interactive_shell == 0 && tempenv_assign_error)</span></a>
|
|
<a name="4233"><span class="lineNum"> 4233 </span> : {</a>
|
|
<a name="4234"><span class="lineNum"> 4234 </span><span class="lineNoCov"> 0 : last_command_exit_value = EXECUTION_FAILURE;</span></a>
|
|
<a name="4235"><span class="lineNum"> 4235 </span><span class="lineNoCov"> 0 : jump_to_top_level (ERREXIT);</span></a>
|
|
<a name="4236"><span class="lineNum"> 4236 </span> : }</a>
|
|
<a name="4237"><span class="lineNum"> 4237 </span><span class="lineCov"> 61423303 : tempenv_assign_error = 0; /* don't care about this any more */</span></a>
|
|
<a name="4238"><span class="lineNum"> 4238 </span> : </a>
|
|
<a name="4239"><span class="lineNum"> 4239 </span><span class="lineCov"> 61423303 : add_unwind_protect (dispose_words, words);</span></a>
|
|
<a name="4240"><span class="lineNum"> 4240 </span><span class="lineCov"> 61423303 : QUIT;</span></a>
|
|
<a name="4241"><span class="lineNum"> 4241 </span> : </a>
|
|
<a name="4242"><span class="lineNum"> 4242 </span> : /* Bind the last word in this command to "$_" after execution. */</a>
|
|
<a name="4243"><span class="lineNum"> 4243 </span><span class="lineCov"> 174268403 : for (lastword = words; lastword->next; lastword = lastword->next)</span></a>
|
|
<a name="4244"><span class="lineNum"> 4244 </span> : ;</a>
|
|
<a name="4245"><span class="lineNum"> 4245 </span><span class="lineCov"> 61423303 : lastarg = lastword->word->word;</span></a>
|
|
<a name="4246"><span class="lineNum"> 4246 </span> : </a>
|
|
<a name="4247"><span class="lineNum"> 4247 </span> : #if defined (JOB_CONTROL)</a>
|
|
<a name="4248"><span class="lineNum"> 4248 </span> : /* Is this command a job control related thing? */</a>
|
|
<a name="4249"><span class="lineNum"> 4249 </span><span class="lineCov"> 61423303 : if (words->word->word[0] == '%' && already_forked == 0)</span></a>
|
|
<a name="4250"><span class="lineNum"> 4250 </span> : {</a>
|
|
<a name="4251"><span class="lineNum"> 4251 </span><span class="lineCov"> 560 : this_command_name = async ? "bg" : "fg";</span></a>
|
|
<a name="4252"><span class="lineNum"> 4252 </span><span class="lineCov"> 560 : last_shell_builtin = this_shell_builtin;</span></a>
|
|
<a name="4253"><span class="lineNum"> 4253 </span><span class="lineCov"> 560 : this_shell_builtin = builtin_address (this_command_name);</span></a>
|
|
<a name="4254"><span class="lineNum"> 4254 </span><span class="lineCov"> 560 : result = (*this_shell_builtin) (words);</span></a>
|
|
<a name="4255"><span class="lineNum"> 4255 </span><span class="lineCov"> 560 : goto return_result;</span></a>
|
|
<a name="4256"><span class="lineNum"> 4256 </span> : }</a>
|
|
<a name="4257"><span class="lineNum"> 4257 </span> : </a>
|
|
<a name="4258"><span class="lineNum"> 4258 </span> : /* One other possibililty. The user may want to resume an existing job.</a>
|
|
<a name="4259"><span class="lineNum"> 4259 </span> : If they do, find out whether this word is a candidate for a running</a>
|
|
<a name="4260"><span class="lineNum"> 4260 </span> : job. */</a>
|
|
<a name="4261"><span class="lineNum"> 4261 </span><span class="lineCov"> 61422743 : if (job_control && already_forked == 0 && async == 0 &&</span></a>
|
|
<a name="4262"><span class="lineNum"> 4262 </span><span class="lineNoCov"> 0 : !first_word_quoted &&</span></a>
|
|
<a name="4263"><span class="lineNum"> 4263 </span><span class="lineNoCov"> 0 : !words->next &&</span></a>
|
|
<a name="4264"><span class="lineNum"> 4264 </span><span class="lineNoCov"> 0 : words->word->word[0] &&</span></a>
|
|
<a name="4265"><span class="lineNum"> 4265 </span><span class="lineNoCov"> 0 : !simple_command->redirects &&</span></a>
|
|
<a name="4266"><span class="lineNum"> 4266 </span><span class="lineNoCov"> 0 : pipe_in == NO_PIPE &&</span></a>
|
|
<a name="4267"><span class="lineNum"> 4267 </span><span class="lineNoCov"> 0 : pipe_out == NO_PIPE &&</span></a>
|
|
<a name="4268"><span class="lineNum"> 4268 </span><span class="lineNoCov"> 0 : (temp = get_string_value ("auto_resume")))</span></a>
|
|
<a name="4269"><span class="lineNum"> 4269 </span> : {</a>
|
|
<a name="4270"><span class="lineNum"> 4270 </span><span class="lineNoCov"> 0 : int job, jflags, started_status;</span></a>
|
|
<a name="4271"><span class="lineNum"> 4271 </span> : </a>
|
|
<a name="4272"><span class="lineNum"> 4272 </span><span class="lineNoCov"> 0 : jflags = JM_STOPPED|JM_FIRSTMATCH;</span></a>
|
|
<a name="4273"><span class="lineNum"> 4273 </span><span class="lineNoCov"> 0 : if (STREQ (temp, "exact"))</span></a>
|
|
<a name="4274"><span class="lineNum"> 4274 </span> : jflags |= JM_EXACT;</a>
|
|
<a name="4275"><span class="lineNum"> 4275 </span><span class="lineNoCov"> 0 : else if (STREQ (temp, "substring"))</span></a>
|
|
<a name="4276"><span class="lineNum"> 4276 </span> : jflags |= JM_SUBSTRING;</a>
|
|
<a name="4277"><span class="lineNum"> 4277 </span> : else</a>
|
|
<a name="4278"><span class="lineNum"> 4278 </span><span class="lineNoCov"> 0 : jflags |= JM_PREFIX;</span></a>
|
|
<a name="4279"><span class="lineNum"> 4279 </span><span class="lineNoCov"> 0 : job = get_job_by_name (words->word->word, jflags);</span></a>
|
|
<a name="4280"><span class="lineNum"> 4280 </span><span class="lineNoCov"> 0 : if (job != NO_JOB)</span></a>
|
|
<a name="4281"><span class="lineNum"> 4281 </span> : {</a>
|
|
<a name="4282"><span class="lineNum"> 4282 </span><span class="lineNoCov"> 0 : run_unwind_frame ("simple-command");</span></a>
|
|
<a name="4283"><span class="lineNum"> 4283 </span><span class="lineNoCov"> 0 : this_command_name = "fg";</span></a>
|
|
<a name="4284"><span class="lineNum"> 4284 </span><span class="lineNoCov"> 0 : last_shell_builtin = this_shell_builtin;</span></a>
|
|
<a name="4285"><span class="lineNum"> 4285 </span><span class="lineNoCov"> 0 : this_shell_builtin = builtin_address ("fg");</span></a>
|
|
<a name="4286"><span class="lineNum"> 4286 </span> : </a>
|
|
<a name="4287"><span class="lineNum"> 4287 </span><span class="lineNoCov"> 0 : started_status = start_job (job, 1);</span></a>
|
|
<a name="4288"><span class="lineNum"> 4288 </span><span class="lineNoCov"> 0 : return ((started_status < 0) ? EXECUTION_FAILURE : started_status);</span></a>
|
|
<a name="4289"><span class="lineNum"> 4289 </span> : }</a>
|
|
<a name="4290"><span class="lineNum"> 4290 </span> : }</a>
|
|
<a name="4291"><span class="lineNum"> 4291 </span> : #endif /* JOB_CONTROL */</a>
|
|
<a name="4292"><span class="lineNum"> 4292 </span> : </a>
|
|
<a name="4293"><span class="lineNum"> 4293 </span><span class="lineCov"> 61422743 : run_builtin:</span></a>
|
|
<a name="4294"><span class="lineNum"> 4294 </span> : /* Remember the name of this command globally. */</a>
|
|
<a name="4295"><span class="lineNum"> 4295 </span><span class="lineCov"> 61422743 : this_command_name = words->word->word;</span></a>
|
|
<a name="4296"><span class="lineNum"> 4296 </span> : </a>
|
|
<a name="4297"><span class="lineNum"> 4297 </span><span class="lineCov"> 61422743 : QUIT;</span></a>
|
|
<a name="4298"><span class="lineNum"> 4298 </span> : </a>
|
|
<a name="4299"><span class="lineNum"> 4299 </span> : /* This command could be a shell builtin or a user-defined function.</a>
|
|
<a name="4300"><span class="lineNum"> 4300 </span> : We have already found special builtins by this time, so we do not</a>
|
|
<a name="4301"><span class="lineNum"> 4301 </span> : set builtin_is_special. If this is a function or builtin, and we</a>
|
|
<a name="4302"><span class="lineNum"> 4302 </span> : have pipes, then fork a subshell in here. Otherwise, just execute</a>
|
|
<a name="4303"><span class="lineNum"> 4303 </span> : the command directly. */</a>
|
|
<a name="4304"><span class="lineNum"> 4304 </span><span class="lineCov"> 61422743 : if (func == 0 && builtin == 0)</span></a>
|
|
<a name="4305"><span class="lineNum"> 4305 </span><span class="lineCov"> 61412666 : builtin = find_shell_builtin (this_command_name);</span></a>
|
|
<a name="4306"><span class="lineNum"> 4306 </span> : </a>
|
|
<a name="4307"><span class="lineNum"> 4307 </span><span class="lineCov"> 61422743 : last_shell_builtin = this_shell_builtin;</span></a>
|
|
<a name="4308"><span class="lineNum"> 4308 </span><span class="lineCov"> 61422743 : this_shell_builtin = builtin;</span></a>
|
|
<a name="4309"><span class="lineNum"> 4309 </span> : </a>
|
|
<a name="4310"><span class="lineNum"> 4310 </span><span class="lineCov"> 61422743 : if (builtin || func)</span></a>
|
|
<a name="4311"><span class="lineNum"> 4311 </span> : {</a>
|
|
<a name="4312"><span class="lineNum"> 4312 </span><span class="lineCov"> 51965773 : if (builtin)</span></a>
|
|
<a name="4313"><span class="lineNum"> 4313 </span> : {</a>
|
|
<a name="4314"><span class="lineNum"> 4314 </span><span class="lineCov"> 51955696 : old_builtin = executing_builtin;</span></a>
|
|
<a name="4315"><span class="lineNum"> 4315 </span><span class="lineCov"> 51955696 : old_command_builtin = executing_command_builtin;</span></a>
|
|
<a name="4316"><span class="lineNum"> 4316 </span><span class="lineCov"> 51955696 : unwind_protect_int (executing_builtin); /* modified in execute_builtin */</span></a>
|
|
<a name="4317"><span class="lineNum"> 4317 </span><span class="lineCov"> 51955696 : unwind_protect_int (executing_command_builtin); /* ditto */</span></a>
|
|
<a name="4318"><span class="lineNum"> 4318 </span> : }</a>
|
|
<a name="4319"><span class="lineNum"> 4319 </span><span class="lineCov"> 51965773 : if (already_forked)</span></a>
|
|
<a name="4320"><span class="lineNum"> 4320 </span> : {</a>
|
|
<a name="4321"><span class="lineNum"> 4321 </span> : /* reset_terminating_signals (); */ /* XXX */</a>
|
|
<a name="4322"><span class="lineNum"> 4322 </span> : /* Reset the signal handlers in the child, but don't free the</a>
|
|
<a name="4323"><span class="lineNum"> 4323 </span> : trap strings. Set a flag noting that we have to free the</a>
|
|
<a name="4324"><span class="lineNum"> 4324 </span> : trap strings if we run trap to change a signal disposition. */</a>
|
|
<a name="4325"><span class="lineNum"> 4325 </span><span class="lineCov"> 9903 : reset_signal_handlers ();</span></a>
|
|
<a name="4326"><span class="lineNum"> 4326 </span><span class="lineCov"> 9903 : subshell_environment |= SUBSHELL_RESETTRAP;</span></a>
|
|
<a name="4327"><span class="lineNum"> 4327 </span> : </a>
|
|
<a name="4328"><span class="lineNum"> 4328 </span><span class="lineCov"> 9903 : if (async)</span></a>
|
|
<a name="4329"><span class="lineNum"> 4329 </span> : {</a>
|
|
<a name="4330"><span class="lineNum"> 4330 </span><span class="lineCov"> 585 : if ((simple_command->flags & CMD_STDIN_REDIR) &&</span></a>
|
|
<a name="4331"><span class="lineNum"> 4331 </span><span class="lineCov"> 541 : pipe_in == NO_PIPE &&</span></a>
|
|
<a name="4332"><span class="lineNum"> 4332 </span><span class="lineCov"> 541 : (stdin_redirects (simple_command->redirects) == 0))</span></a>
|
|
<a name="4333"><span class="lineNum"> 4333 </span><span class="lineCov"> 541 : async_redirect_stdin ();</span></a>
|
|
<a name="4334"><span class="lineNum"> 4334 </span><span class="lineCov"> 585 : setup_async_signals ();</span></a>
|
|
<a name="4335"><span class="lineNum"> 4335 </span> : }</a>
|
|
<a name="4336"><span class="lineNum"> 4336 </span> : </a>
|
|
<a name="4337"><span class="lineNum"> 4337 </span><span class="lineCov"> 9903 : if (async == 0)</span></a>
|
|
<a name="4338"><span class="lineNum"> 4338 </span><span class="lineCov"> 9318 : subshell_level++;</span></a>
|
|
<a name="4339"><span class="lineNum"> 4339 </span><span class="lineCov"> 9903 : execute_subshell_builtin_or_function</span></a>
|
|
<a name="4340"><span class="lineNum"> 4340 </span> : (words, simple_command->redirects, builtin, func,</a>
|
|
<a name="4341"><span class="lineNum"> 4341 </span> : pipe_in, pipe_out, async, fds_to_close,</a>
|
|
<a name="4342"><span class="lineNum"> 4342 </span> : simple_command->flags);</a>
|
|
<a name="4343"><span class="lineNum"> 4343 </span><span class="lineNoCov"> 0 : subshell_level--;</span></a>
|
|
<a name="4344"><span class="lineNum"> 4344 </span> : }</a>
|
|
<a name="4345"><span class="lineNum"> 4345 </span> : else</a>
|
|
<a name="4346"><span class="lineNum"> 4346 </span> : {</a>
|
|
<a name="4347"><span class="lineNum"> 4347 </span><span class="lineCov"> 51955870 : result = execute_builtin_or_function</span></a>
|
|
<a name="4348"><span class="lineNum"> 4348 </span> : (words, builtin, func, simple_command->redirects, fds_to_close,</a>
|
|
<a name="4349"><span class="lineNum"> 4349 </span> : simple_command->flags);</a>
|
|
<a name="4350"><span class="lineNum"> 4350 </span><span class="lineCov"> 44616342 : if (builtin)</span></a>
|
|
<a name="4351"><span class="lineNum"> 4351 </span> : {</a>
|
|
<a name="4352"><span class="lineNum"> 4352 </span><span class="lineCov"> 44607528 : if (result > EX_SHERRBASE)</span></a>
|
|
<a name="4353"><span class="lineNum"> 4353 </span> : {</a>
|
|
<a name="4354"><span class="lineNum"> 4354 </span><span class="lineCov"> 68084 : switch (result)</span></a>
|
|
<a name="4355"><span class="lineNum"> 4355 </span> : {</a>
|
|
<a name="4356"><span class="lineNum"> 4356 </span><span class="lineCov"> 67556 : case EX_REDIRFAIL:</span></a>
|
|
<a name="4357"><span class="lineNum"> 4357 </span> : case EX_BADASSIGN:</a>
|
|
<a name="4358"><span class="lineNum"> 4358 </span> : case EX_EXPFAIL:</a>
|
|
<a name="4359"><span class="lineNum"> 4359 </span> : /* These errors cause non-interactive posix mode shells to exit */</a>
|
|
<a name="4360"><span class="lineNum"> 4360 </span><span class="lineCov"> 67556 : if (posixly_correct && builtin_is_special && interactive_shell == 0)</span></a>
|
|
<a name="4361"><span class="lineNum"> 4361 </span> : {</a>
|
|
<a name="4362"><span class="lineNum"> 4362 </span><span class="lineNoCov"> 0 : last_command_exit_value = EXECUTION_FAILURE;</span></a>
|
|
<a name="4363"><span class="lineNum"> 4363 </span><span class="lineNoCov"> 0 : jump_to_top_level (ERREXIT);</span></a>
|
|
<a name="4364"><span class="lineNum"> 4364 </span> : }</a>
|
|
<a name="4365"><span class="lineNum"> 4365 </span> : }</a>
|
|
<a name="4366"><span class="lineNum"> 4366 </span><span class="lineCov"> 136168 : result = builtin_status (result);</span></a>
|
|
<a name="4367"><span class="lineNum"> 4367 </span><span class="lineCov"> 68084 : if (builtin_is_special)</span></a>
|
|
<a name="4368"><span class="lineNum"> 4368 </span><span class="lineNoCov"> 0 : special_builtin_failed = 1;</span></a>
|
|
<a name="4369"><span class="lineNum"> 4369 </span> : }</a>
|
|
<a name="4370"><span class="lineNum"> 4370 </span> : /* In POSIX mode, if there are assignment statements preceding</a>
|
|
<a name="4371"><span class="lineNum"> 4371 </span> : a special builtin, they persist after the builtin</a>
|
|
<a name="4372"><span class="lineNum"> 4372 </span> : completes. */</a>
|
|
<a name="4373"><span class="lineNum"> 4373 </span><span class="lineCov"> 44607528 : if (posixly_correct && builtin_is_special && temporary_env)</span></a>
|
|
<a name="4374"><span class="lineNum"> 4374 </span><span class="lineNoCov"> 0 : merge_temporary_env ();</span></a>
|
|
<a name="4375"><span class="lineNum"> 4375 </span> : }</a>
|
|
<a name="4376"><span class="lineNum"> 4376 </span> : else /* function */</a>
|
|
<a name="4377"><span class="lineNum"> 4377 </span> : {</a>
|
|
<a name="4378"><span class="lineNum"> 4378 </span><span class="lineCov"> 8814 : if (result == EX_USAGE)</span></a>
|
|
<a name="4379"><span class="lineNum"> 4379 </span> : result = EX_BADUSAGE;</a>
|
|
<a name="4380"><span class="lineNum"> 4380 </span><span class="lineCov"> 8814 : else if (result > EX_SHERRBASE)</span></a>
|
|
<a name="4381"><span class="lineNum"> 4381 </span><span class="lineNoCov"> 0 : result = EXECUTION_FAILURE;</span></a>
|
|
<a name="4382"><span class="lineNum"> 4382 </span> : }</a>
|
|
<a name="4383"><span class="lineNum"> 4383 </span> : </a>
|
|
<a name="4384"><span class="lineNum"> 4384 </span><span class="lineCov"> 44616342 : set_pipestatus_from_exit (result);</span></a>
|
|
<a name="4385"><span class="lineNum"> 4385 </span> : </a>
|
|
<a name="4386"><span class="lineNum"> 4386 </span><span class="lineCov"> 44616342 : goto return_result;</span></a>
|
|
<a name="4387"><span class="lineNum"> 4387 </span> : }</a>
|
|
<a name="4388"><span class="lineNum"> 4388 </span> : }</a>
|
|
<a name="4389"><span class="lineNum"> 4389 </span> : </a>
|
|
<a name="4390"><span class="lineNum"> 4390 </span><span class="lineCov"> 9456970 : if (autocd && interactive && words->word && is_dirname (words->word->word))</span></a>
|
|
<a name="4391"><span class="lineNum"> 4391 </span> : {</a>
|
|
<a name="4392"><span class="lineNum"> 4392 </span><span class="lineNoCov"> 0 : words = make_word_list (make_word ("--"), words);</span></a>
|
|
<a name="4393"><span class="lineNum"> 4393 </span><span class="lineNoCov"> 0 : words = make_word_list (make_word ("cd"), words);</span></a>
|
|
<a name="4394"><span class="lineNum"> 4394 </span><span class="lineNoCov"> 0 : xtrace_print_word_list (words, 0);</span></a>
|
|
<a name="4395"><span class="lineNum"> 4395 </span><span class="lineNoCov"> 0 : func = find_function ("cd");</span></a>
|
|
<a name="4396"><span class="lineNum"> 4396 </span><span class="lineNoCov"> 0 : goto run_builtin;</span></a>
|
|
<a name="4397"><span class="lineNum"> 4397 </span> : }</a>
|
|
<a name="4398"><span class="lineNum"> 4398 </span> : </a>
|
|
<a name="4399"><span class="lineNum"> 4399 </span><span class="lineCov"> 9456970 : if (command_line == 0)</span></a>
|
|
<a name="4400"><span class="lineNum"> 4400 </span><span class="lineCov"> 18913940 : command_line = savestring (the_printed_command_except_trap ? the_printed_command_except_trap : "");</span></a>
|
|
<a name="4401"><span class="lineNum"> 4401 </span> : </a>
|
|
<a name="4402"><span class="lineNum"> 4402 </span> : #if defined (PROCESS_SUBSTITUTION)</a>
|
|
<a name="4403"><span class="lineNum"> 4403 </span> : /* The old code did not test already_forked and only did this if</a>
|
|
<a name="4404"><span class="lineNum"> 4404 </span> : subshell_environment&SUBSHELL_COMSUB != 0 (comsubs and procsubs). Other</a>
|
|
<a name="4405"><span class="lineNum"> 4405 </span> : uses of the no-fork optimization left FIFOs in $TMPDIR */</a>
|
|
<a name="4406"><span class="lineNum"> 4406 </span><span class="lineCov"> 9456970 : if (already_forked == 0 && (simple_command->flags & CMD_NO_FORK) && fifos_pending() > 0)</span></a>
|
|
<a name="4407"><span class="lineNum"> 4407 </span><span class="lineNoCov"> 0 : simple_command->flags &= ~CMD_NO_FORK;</span></a>
|
|
<a name="4408"><span class="lineNum"> 4408 </span> : #endif</a>
|
|
<a name="4409"><span class="lineNum"> 4409 </span><span class="lineCov"> 9456970 : result = execute_disk_command (words, simple_command->redirects, command_line,</span></a>
|
|
<a name="4410"><span class="lineNum"> 4410 </span> : pipe_in, pipe_out, async, fds_to_close,</a>
|
|
<a name="4411"><span class="lineNum"> 4411 </span> : simple_command->flags);</a>
|
|
<a name="4412"><span class="lineNum"> 4412 </span> : </a>
|
|
<a name="4413"><span class="lineNum"> 4413 </span><span class="lineCov"> 54021714 : return_result:</span></a>
|
|
<a name="4414"><span class="lineNum"> 4414 </span><span class="lineCov"> 54021714 : bind_lastarg (lastarg);</span></a>
|
|
<a name="4415"><span class="lineNum"> 4415 </span><span class="lineCov"> 54021714 : FREE (command_line);</span></a>
|
|
<a name="4416"><span class="lineNum"> 4416 </span><span class="lineCov"> 54021714 : dispose_words (words);</span></a>
|
|
<a name="4417"><span class="lineNum"> 4417 </span><span class="lineCov"> 54021714 : if (builtin)</span></a>
|
|
<a name="4418"><span class="lineNum"> 4418 </span> : {</a>
|
|
<a name="4419"><span class="lineNum"> 4419 </span><span class="lineCov"> 44607528 : executing_builtin = old_builtin;</span></a>
|
|
<a name="4420"><span class="lineNum"> 4420 </span><span class="lineCov"> 44607528 : executing_command_builtin = old_command_builtin;</span></a>
|
|
<a name="4421"><span class="lineNum"> 4421 </span> : }</a>
|
|
<a name="4422"><span class="lineNum"> 4422 </span><span class="lineCov"> 54021714 : discard_unwind_frame ("simple-command");</span></a>
|
|
<a name="4423"><span class="lineNum"> 4423 </span><span class="lineCov"> 54021714 : this_command_name = (char *)NULL; /* points to freed memory now */</span></a>
|
|
<a name="4424"><span class="lineNum"> 4424 </span><span class="lineCov"> 54021714 : return (result);</span></a>
|
|
<a name="4425"><span class="lineNum"> 4425 </span> : }</a>
|
|
<a name="4426"><span class="lineNum"> 4426 </span> : </a>
|
|
<a name="4427"><span class="lineNum"> 4427 </span> : /* Translate the special builtin exit statuses. We don't really need a</a>
|
|
<a name="4428"><span class="lineNum"> 4428 </span> : function for this; it's a placeholder for future work. */</a>
|
|
<a name="4429"><span class="lineNum"> 4429 </span> : static int</a>
|
|
<a name="4430"><span class="lineNum"> 4430 </span> : builtin_status (result)</a>
|
|
<a name="4431"><span class="lineNum"> 4431 </span> : int result;</a>
|
|
<a name="4432"><span class="lineNum"> 4432 </span> : {</a>
|
|
<a name="4433"><span class="lineNum"> 4433 </span><span class="lineCov"> 68084 : int r;</span></a>
|
|
<a name="4434"><span class="lineNum"> 4434 </span> : </a>
|
|
<a name="4435"><span class="lineNum"> 4435 </span><span class="lineCov"> 68084 : switch (result)</span></a>
|
|
<a name="4436"><span class="lineNum"> 4436 </span> : {</a>
|
|
<a name="4437"><span class="lineNum"> 4437 </span> : case EX_USAGE:</a>
|
|
<a name="4438"><span class="lineNum"> 4438 </span> : r = EX_BADUSAGE;</a>
|
|
<a name="4439"><span class="lineNum"> 4439 </span> : break;</a>
|
|
<a name="4440"><span class="lineNum"> 4440 </span><span class="lineCov"> 67556 : case EX_REDIRFAIL:</span></a>
|
|
<a name="4441"><span class="lineNum"> 4441 </span> : case EX_BADSYNTAX:</a>
|
|
<a name="4442"><span class="lineNum"> 4442 </span> : case EX_BADASSIGN:</a>
|
|
<a name="4443"><span class="lineNum"> 4443 </span> : case EX_EXPFAIL:</a>
|
|
<a name="4444"><span class="lineNum"> 4444 </span><span class="lineCov"> 67556 : r = EXECUTION_FAILURE;</span></a>
|
|
<a name="4445"><span class="lineNum"> 4445 </span><span class="lineCov"> 67556 : break;</span></a>
|
|
<a name="4446"><span class="lineNum"> 4446 </span><span class="lineNoCov"> 0 : default:</span></a>
|
|
<a name="4447"><span class="lineNum"> 4447 </span><span class="lineNoCov"> 0 : r = EXECUTION_SUCCESS;</span></a>
|
|
<a name="4448"><span class="lineNum"> 4448 </span><span class="lineNoCov"> 0 : break;</span></a>
|
|
<a name="4449"><span class="lineNum"> 4449 </span> : }</a>
|
|
<a name="4450"><span class="lineNum"> 4450 </span><span class="lineCov"> 68084 : return (r);</span></a>
|
|
<a name="4451"><span class="lineNum"> 4451 </span> : }</a>
|
|
<a name="4452"><span class="lineNum"> 4452 </span> : </a>
|
|
<a name="4453"><span class="lineNum"> 4453 </span> : static int</a>
|
|
<a name="4454"><span class="lineNum"> 4454 </span><span class="lineNoCov"> 0 : execute_builtin (builtin, words, flags, subshell)</span></a>
|
|
<a name="4455"><span class="lineNum"> 4455 </span> : sh_builtin_func_t *builtin;</a>
|
|
<a name="4456"><span class="lineNum"> 4456 </span> : WORD_LIST *words;</a>
|
|
<a name="4457"><span class="lineNum"> 4457 </span> : int flags, subshell;</a>
|
|
<a name="4458"><span class="lineNum"> 4458 </span> : {</a>
|
|
<a name="4459"><span class="lineNum"> 4459 </span><span class="lineNoCov"> 0 : int result, eval_unwind, ignexit_flag;</span></a>
|
|
<a name="4460"><span class="lineNum"> 4460 </span><span class="lineNoCov"> 0 : int isbltinenv;</span></a>
|
|
<a name="4461"><span class="lineNum"> 4461 </span><span class="lineNoCov"> 0 : char *error_trap;</span></a>
|
|
<a name="4462"><span class="lineNum"> 4462 </span> : </a>
|
|
<a name="4463"><span class="lineNum"> 4463 </span><span class="lineNoCov"> 0 : error_trap = 0;</span></a>
|
|
<a name="4464"><span class="lineNum"> 4464 </span> : </a>
|
|
<a name="4465"><span class="lineNum"> 4465 </span> : /* The eval builtin calls parse_and_execute, which does not know about</a>
|
|
<a name="4466"><span class="lineNum"> 4466 </span> : the setting of flags, and always calls the execution functions with</a>
|
|
<a name="4467"><span class="lineNum"> 4467 </span> : flags that will exit the shell on an error if -e is set. If the</a>
|
|
<a name="4468"><span class="lineNum"> 4468 </span> : eval builtin is being called, and we're supposed to ignore the exit</a>
|
|
<a name="4469"><span class="lineNum"> 4469 </span> : value of the command, we turn the -e flag off ourselves and disable</a>
|
|
<a name="4470"><span class="lineNum"> 4470 </span> : the ERR trap, then restore them when the command completes. This is</a>
|
|
<a name="4471"><span class="lineNum"> 4471 </span> : also a problem (as below) for the command and source/. builtins. */</a>
|
|
<a name="4472"><span class="lineNum"> 4472 </span><span class="lineNoCov"> 0 : if (subshell == 0 && (flags & CMD_IGNORE_RETURN) &&</span></a>
|
|
<a name="4473"><span class="lineNum"> 4473 </span><span class="lineNoCov"> 0 : (builtin == eval_builtin || builtin == command_builtin || builtin == source_builtin))</span></a>
|
|
<a name="4474"><span class="lineNum"> 4474 </span> : {</a>
|
|
<a name="4475"><span class="lineNum"> 4475 </span><span class="lineNoCov"> 0 : begin_unwind_frame ("eval_builtin");</span></a>
|
|
<a name="4476"><span class="lineNum"> 4476 </span><span class="lineNoCov"> 0 : unwind_protect_int (exit_immediately_on_error);</span></a>
|
|
<a name="4477"><span class="lineNum"> 4477 </span><span class="lineNoCov"> 0 : unwind_protect_int (builtin_ignoring_errexit);</span></a>
|
|
<a name="4478"><span class="lineNum"> 4478 </span><span class="lineNoCov"> 0 : error_trap = TRAP_STRING (ERROR_TRAP);</span></a>
|
|
<a name="4479"><span class="lineNum"> 4479 </span><span class="lineNoCov"> 0 : if (error_trap)</span></a>
|
|
<a name="4480"><span class="lineNum"> 4480 </span> : {</a>
|
|
<a name="4481"><span class="lineNum"> 4481 </span><span class="lineNoCov"> 0 : error_trap = savestring (error_trap);</span></a>
|
|
<a name="4482"><span class="lineNum"> 4482 </span><span class="lineNoCov"> 0 : add_unwind_protect (xfree, error_trap);</span></a>
|
|
<a name="4483"><span class="lineNum"> 4483 </span><span class="lineNoCov"> 0 : add_unwind_protect (set_error_trap, error_trap);</span></a>
|
|
<a name="4484"><span class="lineNum"> 4484 </span><span class="lineNoCov"> 0 : restore_default_signal (ERROR_TRAP);</span></a>
|
|
<a name="4485"><span class="lineNum"> 4485 </span> : }</a>
|
|
<a name="4486"><span class="lineNum"> 4486 </span><span class="lineNoCov"> 0 : exit_immediately_on_error = 0;</span></a>
|
|
<a name="4487"><span class="lineNum"> 4487 </span><span class="lineNoCov"> 0 : ignexit_flag = builtin_ignoring_errexit;</span></a>
|
|
<a name="4488"><span class="lineNum"> 4488 </span><span class="lineNoCov"> 0 : builtin_ignoring_errexit = 1;</span></a>
|
|
<a name="4489"><span class="lineNum"> 4489 </span><span class="lineNoCov"> 0 : eval_unwind = 1;</span></a>
|
|
<a name="4490"><span class="lineNum"> 4490 </span> : }</a>
|
|
<a name="4491"><span class="lineNum"> 4491 </span> : else</a>
|
|
<a name="4492"><span class="lineNum"> 4492 </span> : eval_unwind = 0;</a>
|
|
<a name="4493"><span class="lineNum"> 4493 </span> : </a>
|
|
<a name="4494"><span class="lineNum"> 4494 </span> : /* The temporary environment for a builtin is supposed to apply to</a>
|
|
<a name="4495"><span class="lineNum"> 4495 </span> : all commands executed by that builtin. Currently, this is a</a>
|
|
<a name="4496"><span class="lineNum"> 4496 </span> : problem only with the `unset', `source' and `eval' builtins.</a>
|
|
<a name="4497"><span class="lineNum"> 4497 </span> : `mapfile' is a special case because it uses evalstring (same as</a>
|
|
<a name="4498"><span class="lineNum"> 4498 </span> : eval or source) to run its callbacks. */</a>
|
|
<a name="4499"><span class="lineNum"> 4499 </span><span class="lineNoCov"> 0 : isbltinenv = (builtin == source_builtin || builtin == eval_builtin || builtin == unset_builtin || builtin == mapfile_builtin);</span></a>
|
|
<a name="4500"><span class="lineNum"> 4500 </span> : </a>
|
|
<a name="4501"><span class="lineNum"> 4501 </span> : if (isbltinenv)</a>
|
|
<a name="4502"><span class="lineNum"> 4502 </span> : {</a>
|
|
<a name="4503"><span class="lineNum"> 4503 </span><span class="lineNoCov"> 0 : if (subshell == 0)</span></a>
|
|
<a name="4504"><span class="lineNum"> 4504 </span><span class="lineNoCov"> 0 : begin_unwind_frame ("builtin_env");</span></a>
|
|
<a name="4505"><span class="lineNum"> 4505 </span> : </a>
|
|
<a name="4506"><span class="lineNum"> 4506 </span><span class="lineNoCov"> 0 : if (temporary_env)</span></a>
|
|
<a name="4507"><span class="lineNum"> 4507 </span> : {</a>
|
|
<a name="4508"><span class="lineNum"> 4508 </span><span class="lineNoCov"> 0 : push_scope (VC_BLTNENV, temporary_env);</span></a>
|
|
<a name="4509"><span class="lineNum"> 4509 </span><span class="lineNoCov"> 0 : if (subshell == 0)</span></a>
|
|
<a name="4510"><span class="lineNum"> 4510 </span><span class="lineNoCov"> 0 : add_unwind_protect (pop_scope, (flags & CMD_COMMAND_BUILTIN) ? 0 : "1");</span></a>
|
|
<a name="4511"><span class="lineNum"> 4511 </span><span class="lineNoCov"> 0 : temporary_env = (HASH_TABLE *)NULL; </span></a>
|
|
<a name="4512"><span class="lineNum"> 4512 </span> : }</a>
|
|
<a name="4513"><span class="lineNum"> 4513 </span> : }</a>
|
|
<a name="4514"><span class="lineNum"> 4514 </span> : </a>
|
|
<a name="4515"><span class="lineNum"> 4515 </span><span class="lineNoCov"> 0 : if (subshell == 0 && builtin == eval_builtin)</span></a>
|
|
<a name="4516"><span class="lineNum"> 4516 </span> : {</a>
|
|
<a name="4517"><span class="lineNum"> 4517 </span><span class="lineNoCov"> 0 : if (evalnest_max > 0 && evalnest >= evalnest_max)</span></a>
|
|
<a name="4518"><span class="lineNum"> 4518 </span> : {</a>
|
|
<a name="4519"><span class="lineNum"> 4519 </span><span class="lineNoCov"> 0 : internal_error (_("eval: maximum eval nesting level exceeded (%d)"), evalnest);</span></a>
|
|
<a name="4520"><span class="lineNum"> 4520 </span><span class="lineNoCov"> 0 : evalnest = 0;</span></a>
|
|
<a name="4521"><span class="lineNum"> 4521 </span><span class="lineNoCov"> 0 : jump_to_top_level (DISCARD);</span></a>
|
|
<a name="4522"><span class="lineNum"> 4522 </span> : }</a>
|
|
<a name="4523"><span class="lineNum"> 4523 </span><span class="lineNoCov"> 0 : unwind_protect_int (evalnest);</span></a>
|
|
<a name="4524"><span class="lineNum"> 4524 </span> : /* The test for subshell == 0 above doesn't make a difference */</a>
|
|
<a name="4525"><span class="lineNum"> 4525 </span><span class="lineNoCov"> 0 : evalnest++; /* execute_subshell_builtin_or_function sets this to 0 */</span></a>
|
|
<a name="4526"><span class="lineNum"> 4526 </span> : }</a>
|
|
<a name="4527"><span class="lineNum"> 4527 </span><span class="lineNoCov"> 0 : else if (subshell == 0 && builtin == source_builtin)</span></a>
|
|
<a name="4528"><span class="lineNum"> 4528 </span> : {</a>
|
|
<a name="4529"><span class="lineNum"> 4529 </span><span class="lineNoCov"> 0 : if (sourcenest_max > 0 && sourcenest >= sourcenest_max)</span></a>
|
|
<a name="4530"><span class="lineNum"> 4530 </span> : {</a>
|
|
<a name="4531"><span class="lineNum"> 4531 </span><span class="lineNoCov"> 0 : internal_error (_("%s: maximum source nesting level exceeded (%d)"), this_command_name, sourcenest);</span></a>
|
|
<a name="4532"><span class="lineNum"> 4532 </span><span class="lineNoCov"> 0 : sourcenest = 0;</span></a>
|
|
<a name="4533"><span class="lineNum"> 4533 </span><span class="lineNoCov"> 0 : jump_to_top_level (DISCARD);</span></a>
|
|
<a name="4534"><span class="lineNum"> 4534 </span> : }</a>
|
|
<a name="4535"><span class="lineNum"> 4535 </span><span class="lineNoCov"> 0 : unwind_protect_int (sourcenest);</span></a>
|
|
<a name="4536"><span class="lineNum"> 4536 </span> : /* The test for subshell == 0 above doesn't make a difference */</a>
|
|
<a name="4537"><span class="lineNum"> 4537 </span><span class="lineNoCov"> 0 : sourcenest++; /* execute_subshell_builtin_or_function sets this to 0 */</span></a>
|
|
<a name="4538"><span class="lineNum"> 4538 </span> : }</a>
|
|
<a name="4539"><span class="lineNum"> 4539 </span> : </a>
|
|
<a name="4540"><span class="lineNum"> 4540 </span> : /* `return' does a longjmp() back to a saved environment in execute_function.</a>
|
|
<a name="4541"><span class="lineNum"> 4541 </span> : If a variable assignment list preceded the command, and the shell is</a>
|
|
<a name="4542"><span class="lineNum"> 4542 </span> : running in POSIX mode, we need to merge that into the shell_variables</a>
|
|
<a name="4543"><span class="lineNum"> 4543 </span> : table, since `return' is a POSIX special builtin. */</a>
|
|
<a name="4544"><span class="lineNum"> 4544 </span><span class="lineNoCov"> 0 : if (posixly_correct && subshell == 0 && builtin == return_builtin && temporary_env)</span></a>
|
|
<a name="4545"><span class="lineNum"> 4545 </span> : {</a>
|
|
<a name="4546"><span class="lineNum"> 4546 </span><span class="lineNoCov"> 0 : begin_unwind_frame ("return_temp_env");</span></a>
|
|
<a name="4547"><span class="lineNum"> 4547 </span><span class="lineNoCov"> 0 : add_unwind_protect (merge_temporary_env, (char *)NULL);</span></a>
|
|
<a name="4548"><span class="lineNum"> 4548 </span> : }</a>
|
|
<a name="4549"><span class="lineNum"> 4549 </span> : </a>
|
|
<a name="4550"><span class="lineNum"> 4550 </span><span class="lineNoCov"> 0 : executing_builtin++;</span></a>
|
|
<a name="4551"><span class="lineNum"> 4551 </span><span class="lineNoCov"> 0 : executing_command_builtin |= builtin == command_builtin;</span></a>
|
|
<a name="4552"><span class="lineNum"> 4552 </span><span class="lineNoCov"> 0 : result = ((*builtin) (words->next));</span></a>
|
|
<a name="4553"><span class="lineNum"> 4553 </span> : </a>
|
|
<a name="4554"><span class="lineNum"> 4554 </span> : /* This shouldn't happen, but in case `return' comes back instead of</a>
|
|
<a name="4555"><span class="lineNum"> 4555 </span> : longjmp'ing, we need to unwind. */</a>
|
|
<a name="4556"><span class="lineNum"> 4556 </span><span class="lineNoCov"> 0 : if (posixly_correct && subshell == 0 && builtin == return_builtin && temporary_env)</span></a>
|
|
<a name="4557"><span class="lineNum"> 4557 </span><span class="lineNoCov"> 0 : discard_unwind_frame ("return_temp_env");</span></a>
|
|
<a name="4558"><span class="lineNum"> 4558 </span> : </a>
|
|
<a name="4559"><span class="lineNum"> 4559 </span><span class="lineNoCov"> 0 : if (subshell == 0 && isbltinenv)</span></a>
|
|
<a name="4560"><span class="lineNum"> 4560 </span><span class="lineNoCov"> 0 : run_unwind_frame ("builtin_env");</span></a>
|
|
<a name="4561"><span class="lineNum"> 4561 </span> : </a>
|
|
<a name="4562"><span class="lineNum"> 4562 </span><span class="lineNoCov"> 0 : if (eval_unwind)</span></a>
|
|
<a name="4563"><span class="lineNum"> 4563 </span> : {</a>
|
|
<a name="4564"><span class="lineNum"> 4564 </span><span class="lineNoCov"> 0 : builtin_ignoring_errexit = ignexit_flag;</span></a>
|
|
<a name="4565"><span class="lineNum"> 4565 </span><span class="lineNoCov"> 0 : exit_immediately_on_error = builtin_ignoring_errexit ? 0 : errexit_flag;</span></a>
|
|
<a name="4566"><span class="lineNum"> 4566 </span><span class="lineNoCov"> 0 : if (error_trap)</span></a>
|
|
<a name="4567"><span class="lineNum"> 4567 </span> : {</a>
|
|
<a name="4568"><span class="lineNum"> 4568 </span><span class="lineNoCov"> 0 : set_error_trap (error_trap);</span></a>
|
|
<a name="4569"><span class="lineNum"> 4569 </span><span class="lineNoCov"> 0 : xfree (error_trap);</span></a>
|
|
<a name="4570"><span class="lineNum"> 4570 </span> : }</a>
|
|
<a name="4571"><span class="lineNum"> 4571 </span><span class="lineNoCov"> 0 : discard_unwind_frame ("eval_builtin");</span></a>
|
|
<a name="4572"><span class="lineNum"> 4572 </span> : }</a>
|
|
<a name="4573"><span class="lineNum"> 4573 </span> : </a>
|
|
<a name="4574"><span class="lineNum"> 4574 </span><span class="lineNoCov"> 0 : return (result);</span></a>
|
|
<a name="4575"><span class="lineNum"> 4575 </span> : }</a>
|
|
<a name="4576"><span class="lineNum"> 4576 </span> : </a>
|
|
<a name="4577"><span class="lineNum"> 4577 </span> : static void</a>
|
|
<a name="4578"><span class="lineNum"> 4578 </span><span class="lineCov"> 8814 : maybe_restore_getopt_state (gs)</span></a>
|
|
<a name="4579"><span class="lineNum"> 4579 </span> : sh_getopt_state_t *gs;</a>
|
|
<a name="4580"><span class="lineNum"> 4580 </span> : {</a>
|
|
<a name="4581"><span class="lineNum"> 4581 </span> : /* If we have a local copy of OPTIND and it's at the right (current)</a>
|
|
<a name="4582"><span class="lineNum"> 4582 </span> : context, then we restore getopt's internal state. If not, we just</a>
|
|
<a name="4583"><span class="lineNum"> 4583 </span> : let it go. We know there is a local OPTIND if gs->gs_flags & 1.</a>
|
|
<a name="4584"><span class="lineNum"> 4584 </span> : This is set below in execute_function() before the context is run. */</a>
|
|
<a name="4585"><span class="lineNum"> 4585 </span><span class="lineCov"> 8814 : if (gs->gs_flags & 1)</span></a>
|
|
<a name="4586"><span class="lineNum"> 4586 </span><span class="lineNoCov"> 0 : sh_getopt_restore_istate (gs);</span></a>
|
|
<a name="4587"><span class="lineNum"> 4587 </span> : else</a>
|
|
<a name="4588"><span class="lineNum"> 4588 </span><span class="lineCov"> 8814 : free (gs);</span></a>
|
|
<a name="4589"><span class="lineNum"> 4589 </span><span class="lineCov"> 8814 : }</span></a>
|
|
<a name="4590"><span class="lineNum"> 4590 </span> : </a>
|
|
<a name="4591"><span class="lineNum"> 4591 </span> : #if defined (ARRAY_VARS)</a>
|
|
<a name="4592"><span class="lineNum"> 4592 </span> : void</a>
|
|
<a name="4593"><span class="lineNum"> 4593 </span><span class="lineCov"> 19094843 : restore_funcarray_state (fa)</span></a>
|
|
<a name="4594"><span class="lineNum"> 4594 </span> : struct func_array_state *fa;</a>
|
|
<a name="4595"><span class="lineNum"> 4595 </span> : {</a>
|
|
<a name="4596"><span class="lineNum"> 4596 </span><span class="lineCov"> 19094843 : SHELL_VAR *nfv;</span></a>
|
|
<a name="4597"><span class="lineNum"> 4597 </span><span class="lineCov"> 19094843 : ARRAY *funcname_a;</span></a>
|
|
<a name="4598"><span class="lineNum"> 4598 </span> : </a>
|
|
<a name="4599"><span class="lineNum"> 4599 </span><span class="lineCov"> 19094843 : array_pop (fa->source_a);</span></a>
|
|
<a name="4600"><span class="lineNum"> 4600 </span><span class="lineCov"> 19094843 : array_pop (fa->lineno_a);</span></a>
|
|
<a name="4601"><span class="lineNum"> 4601 </span> : </a>
|
|
<a name="4602"><span class="lineNum"> 4602 </span><span class="lineCov"> 19094843 : GET_ARRAY_FROM_VAR ("FUNCNAME", nfv, funcname_a);</span></a>
|
|
<a name="4603"><span class="lineNum"> 4603 </span><span class="lineCov"> 19094843 : if (nfv == fa->funcname_v)</span></a>
|
|
<a name="4604"><span class="lineNum"> 4604 </span><span class="lineCov"> 19094843 : array_pop (funcname_a);</span></a>
|
|
<a name="4605"><span class="lineNum"> 4605 </span> : </a>
|
|
<a name="4606"><span class="lineNum"> 4606 </span><span class="lineCov"> 19094843 : free (fa);</span></a>
|
|
<a name="4607"><span class="lineNum"> 4607 </span><span class="lineCov"> 19094843 : }</span></a>
|
|
<a name="4608"><span class="lineNum"> 4608 </span> : #endif</a>
|
|
<a name="4609"><span class="lineNum"> 4609 </span> : </a>
|
|
<a name="4610"><span class="lineNum"> 4610 </span> : static int</a>
|
|
<a name="4611"><span class="lineNum"> 4611 </span><span class="lineNoCov"> 0 : execute_function (var, words, flags, fds_to_close, async, subshell)</span></a>
|
|
<a name="4612"><span class="lineNum"> 4612 </span> : SHELL_VAR *var;</a>
|
|
<a name="4613"><span class="lineNum"> 4613 </span> : WORD_LIST *words;</a>
|
|
<a name="4614"><span class="lineNum"> 4614 </span> : int flags;</a>
|
|
<a name="4615"><span class="lineNum"> 4615 </span> : struct fd_bitmap *fds_to_close;</a>
|
|
<a name="4616"><span class="lineNum"> 4616 </span> : int async, subshell;</a>
|
|
<a name="4617"><span class="lineNum"> 4617 </span> : {</a>
|
|
<a name="4618"><span class="lineNum"> 4618 </span><span class="lineNoCov"> 0 : int return_val, result;</span></a>
|
|
<a name="4619"><span class="lineNum"> 4619 </span><span class="lineNoCov"> 0 : COMMAND *tc, *fc, *save_current;</span></a>
|
|
<a name="4620"><span class="lineNum"> 4620 </span><span class="lineNoCov"> 0 : char *debug_trap, *error_trap, *return_trap;</span></a>
|
|
<a name="4621"><span class="lineNum"> 4621 </span> : #if defined (ARRAY_VARS)</a>
|
|
<a name="4622"><span class="lineNum"> 4622 </span><span class="lineNoCov"> 0 : SHELL_VAR *funcname_v, *bash_source_v, *bash_lineno_v;</span></a>
|
|
<a name="4623"><span class="lineNum"> 4623 </span><span class="lineNoCov"> 0 : ARRAY *funcname_a;</span></a>
|
|
<a name="4624"><span class="lineNum"> 4624 </span><span class="lineNoCov"> 0 : volatile ARRAY *bash_source_a;</span></a>
|
|
<a name="4625"><span class="lineNum"> 4625 </span><span class="lineNoCov"> 0 : volatile ARRAY *bash_lineno_a;</span></a>
|
|
<a name="4626"><span class="lineNum"> 4626 </span><span class="lineNoCov"> 0 : struct func_array_state *fa;</span></a>
|
|
<a name="4627"><span class="lineNum"> 4627 </span> : #endif</a>
|
|
<a name="4628"><span class="lineNum"> 4628 </span><span class="lineNoCov"> 0 : FUNCTION_DEF *shell_fn;</span></a>
|
|
<a name="4629"><span class="lineNum"> 4629 </span><span class="lineNoCov"> 0 : char *sfile, *t;</span></a>
|
|
<a name="4630"><span class="lineNum"> 4630 </span><span class="lineNoCov"> 0 : sh_getopt_state_t *gs;</span></a>
|
|
<a name="4631"><span class="lineNum"> 4631 </span><span class="lineNoCov"> 0 : SHELL_VAR *gv;</span></a>
|
|
<a name="4632"><span class="lineNum"> 4632 </span> : </a>
|
|
<a name="4633"><span class="lineNum"> 4633 </span><span class="lineNoCov"> 0 : USE_VAR(fc);</span></a>
|
|
<a name="4634"><span class="lineNum"> 4634 </span> : </a>
|
|
<a name="4635"><span class="lineNum"> 4635 </span><span class="lineNoCov"> 0 : if (funcnest_max > 0 && funcnest >= funcnest_max)</span></a>
|
|
<a name="4636"><span class="lineNum"> 4636 </span> : {</a>
|
|
<a name="4637"><span class="lineNum"> 4637 </span><span class="lineNoCov"> 0 : internal_error (_("%s: maximum function nesting level exceeded (%d)"), var->name, funcnest);</span></a>
|
|
<a name="4638"><span class="lineNum"> 4638 </span><span class="lineNoCov"> 0 : funcnest = 0; /* XXX - should we reset it somewhere else? */</span></a>
|
|
<a name="4639"><span class="lineNum"> 4639 </span><span class="lineNoCov"> 0 : jump_to_top_level (DISCARD);</span></a>
|
|
<a name="4640"><span class="lineNum"> 4640 </span> : }</a>
|
|
<a name="4641"><span class="lineNum"> 4641 </span> : </a>
|
|
<a name="4642"><span class="lineNum"> 4642 </span> : #if defined (ARRAY_VARS)</a>
|
|
<a name="4643"><span class="lineNum"> 4643 </span><span class="lineNoCov"> 0 : GET_ARRAY_FROM_VAR ("FUNCNAME", funcname_v, funcname_a);</span></a>
|
|
<a name="4644"><span class="lineNum"> 4644 </span><span class="lineNoCov"> 0 : GET_ARRAY_FROM_VAR ("BASH_SOURCE", bash_source_v, bash_source_a);</span></a>
|
|
<a name="4645"><span class="lineNum"> 4645 </span><span class="lineNoCov"> 0 : GET_ARRAY_FROM_VAR ("BASH_LINENO", bash_lineno_v, bash_lineno_a);</span></a>
|
|
<a name="4646"><span class="lineNum"> 4646 </span> : #endif</a>
|
|
<a name="4647"><span class="lineNum"> 4647 </span> : </a>
|
|
<a name="4648"><span class="lineNum"> 4648 </span><span class="lineNoCov"> 0 : tc = (COMMAND *)copy_command (function_cell (var));</span></a>
|
|
<a name="4649"><span class="lineNum"> 4649 </span><span class="lineNoCov"> 0 : if (tc && (flags & CMD_IGNORE_RETURN))</span></a>
|
|
<a name="4650"><span class="lineNum"> 4650 </span><span class="lineNoCov"> 0 : tc->flags |= CMD_IGNORE_RETURN;</span></a>
|
|
<a name="4651"><span class="lineNum"> 4651 </span> : </a>
|
|
<a name="4652"><span class="lineNum"> 4652 </span><span class="lineNoCov"> 0 : gs = sh_getopt_save_istate ();</span></a>
|
|
<a name="4653"><span class="lineNum"> 4653 </span><span class="lineNoCov"> 0 : if (subshell == 0)</span></a>
|
|
<a name="4654"><span class="lineNum"> 4654 </span> : {</a>
|
|
<a name="4655"><span class="lineNum"> 4655 </span><span class="lineNoCov"> 0 : begin_unwind_frame ("function_calling");</span></a>
|
|
<a name="4656"><span class="lineNum"> 4656 </span><span class="lineNoCov"> 0 : push_context (var->name, subshell, temporary_env);</span></a>
|
|
<a name="4657"><span class="lineNum"> 4657 </span> : /* This has to be before the pop_context(), because the unwinding of</a>
|
|
<a name="4658"><span class="lineNum"> 4658 </span> : local variables may cause the restore of a local declaration of</a>
|
|
<a name="4659"><span class="lineNum"> 4659 </span> : OPTIND to force a getopts state reset. */</a>
|
|
<a name="4660"><span class="lineNum"> 4660 </span><span class="lineNoCov"> 0 : add_unwind_protect (maybe_restore_getopt_state, gs);</span></a>
|
|
<a name="4661"><span class="lineNum"> 4661 </span><span class="lineNoCov"> 0 : add_unwind_protect (pop_context, (char *)NULL);</span></a>
|
|
<a name="4662"><span class="lineNum"> 4662 </span><span class="lineNoCov"> 0 : unwind_protect_int (line_number);</span></a>
|
|
<a name="4663"><span class="lineNum"> 4663 </span><span class="lineNoCov"> 0 : unwind_protect_int (line_number_for_err_trap);</span></a>
|
|
<a name="4664"><span class="lineNum"> 4664 </span><span class="lineNoCov"> 0 : unwind_protect_int (function_line_number);</span></a>
|
|
<a name="4665"><span class="lineNum"> 4665 </span><span class="lineNoCov"> 0 : unwind_protect_int (return_catch_flag);</span></a>
|
|
<a name="4666"><span class="lineNum"> 4666 </span><span class="lineNoCov"> 0 : unwind_protect_jmp_buf (return_catch);</span></a>
|
|
<a name="4667"><span class="lineNum"> 4667 </span><span class="lineNoCov"> 0 : add_unwind_protect (dispose_command, (char *)tc);</span></a>
|
|
<a name="4668"><span class="lineNum"> 4668 </span><span class="lineNoCov"> 0 : unwind_protect_pointer (this_shell_function);</span></a>
|
|
<a name="4669"><span class="lineNum"> 4669 </span><span class="lineNoCov"> 0 : unwind_protect_int (funcnest);</span></a>
|
|
<a name="4670"><span class="lineNum"> 4670 </span><span class="lineNoCov"> 0 : unwind_protect_int (loop_level);</span></a>
|
|
<a name="4671"><span class="lineNum"> 4671 </span> : }</a>
|
|
<a name="4672"><span class="lineNum"> 4672 </span> : else</a>
|
|
<a name="4673"><span class="lineNum"> 4673 </span><span class="lineNoCov"> 0 : push_context (var->name, subshell, temporary_env); /* don't unwind-protect for subshells */</span></a>
|
|
<a name="4674"><span class="lineNum"> 4674 </span> : </a>
|
|
<a name="4675"><span class="lineNum"> 4675 </span><span class="lineNoCov"> 0 : temporary_env = (HASH_TABLE *)NULL;</span></a>
|
|
<a name="4676"><span class="lineNum"> 4676 </span> : </a>
|
|
<a name="4677"><span class="lineNum"> 4677 </span><span class="lineNoCov"> 0 : this_shell_function = var;</span></a>
|
|
<a name="4678"><span class="lineNum"> 4678 </span><span class="lineNoCov"> 0 : make_funcname_visible (1);</span></a>
|
|
<a name="4679"><span class="lineNum"> 4679 </span> : </a>
|
|
<a name="4680"><span class="lineNum"> 4680 </span><span class="lineNoCov"> 0 : debug_trap = TRAP_STRING(DEBUG_TRAP);</span></a>
|
|
<a name="4681"><span class="lineNum"> 4681 </span><span class="lineNoCov"> 0 : error_trap = TRAP_STRING(ERROR_TRAP);</span></a>
|
|
<a name="4682"><span class="lineNum"> 4682 </span><span class="lineNoCov"> 0 : return_trap = TRAP_STRING(RETURN_TRAP);</span></a>
|
|
<a name="4683"><span class="lineNum"> 4683 </span> : </a>
|
|
<a name="4684"><span class="lineNum"> 4684 </span> : /* The order of the unwind protects for debug_trap, error_trap and</a>
|
|
<a name="4685"><span class="lineNum"> 4685 </span> : return_trap is important here! unwind-protect commands are run</a>
|
|
<a name="4686"><span class="lineNum"> 4686 </span> : in reverse order of registration. If this causes problems, take</a>
|
|
<a name="4687"><span class="lineNum"> 4687 </span> : out the xfree unwind-protect calls and live with the small memory leak. */</a>
|
|
<a name="4688"><span class="lineNum"> 4688 </span> : </a>
|
|
<a name="4689"><span class="lineNum"> 4689 </span> : /* function_trace_mode != 0 means that all functions inherit the DEBUG trap.</a>
|
|
<a name="4690"><span class="lineNum"> 4690 </span> : if the function has the trace attribute set, it inherits the DEBUG trap */</a>
|
|
<a name="4691"><span class="lineNum"> 4691 </span><span class="lineNoCov"> 0 : if (debug_trap && ((trace_p (var) == 0) && function_trace_mode == 0))</span></a>
|
|
<a name="4692"><span class="lineNum"> 4692 </span> : {</a>
|
|
<a name="4693"><span class="lineNum"> 4693 </span><span class="lineNoCov"> 0 : if (subshell == 0)</span></a>
|
|
<a name="4694"><span class="lineNum"> 4694 </span> : {</a>
|
|
<a name="4695"><span class="lineNum"> 4695 </span><span class="lineNoCov"> 0 : debug_trap = savestring (debug_trap);</span></a>
|
|
<a name="4696"><span class="lineNum"> 4696 </span><span class="lineNoCov"> 0 : add_unwind_protect (xfree, debug_trap);</span></a>
|
|
<a name="4697"><span class="lineNum"> 4697 </span><span class="lineNoCov"> 0 : add_unwind_protect (maybe_set_debug_trap, debug_trap);</span></a>
|
|
<a name="4698"><span class="lineNum"> 4698 </span> : }</a>
|
|
<a name="4699"><span class="lineNum"> 4699 </span><span class="lineNoCov"> 0 : restore_default_signal (DEBUG_TRAP);</span></a>
|
|
<a name="4700"><span class="lineNum"> 4700 </span> : }</a>
|
|
<a name="4701"><span class="lineNum"> 4701 </span> : </a>
|
|
<a name="4702"><span class="lineNum"> 4702 </span> : /* error_trace_mode != 0 means that functions inherit the ERR trap. */</a>
|
|
<a name="4703"><span class="lineNum"> 4703 </span><span class="lineNoCov"> 0 : if (error_trap && error_trace_mode == 0)</span></a>
|
|
<a name="4704"><span class="lineNum"> 4704 </span> : {</a>
|
|
<a name="4705"><span class="lineNum"> 4705 </span><span class="lineNoCov"> 0 : if (subshell == 0)</span></a>
|
|
<a name="4706"><span class="lineNum"> 4706 </span> : {</a>
|
|
<a name="4707"><span class="lineNum"> 4707 </span><span class="lineNoCov"> 0 : error_trap = savestring (error_trap);</span></a>
|
|
<a name="4708"><span class="lineNum"> 4708 </span><span class="lineNoCov"> 0 : add_unwind_protect (xfree, error_trap);</span></a>
|
|
<a name="4709"><span class="lineNum"> 4709 </span><span class="lineNoCov"> 0 : add_unwind_protect (maybe_set_error_trap, error_trap);</span></a>
|
|
<a name="4710"><span class="lineNum"> 4710 </span> : }</a>
|
|
<a name="4711"><span class="lineNum"> 4711 </span><span class="lineNoCov"> 0 : restore_default_signal (ERROR_TRAP);</span></a>
|
|
<a name="4712"><span class="lineNum"> 4712 </span> : }</a>
|
|
<a name="4713"><span class="lineNum"> 4713 </span> : </a>
|
|
<a name="4714"><span class="lineNum"> 4714 </span> : /* Shell functions inherit the RETURN trap if function tracing is on</a>
|
|
<a name="4715"><span class="lineNum"> 4715 </span> : globally or on individually for this function. */</a>
|
|
<a name="4716"><span class="lineNum"> 4716 </span> : #if 0</a>
|
|
<a name="4717"><span class="lineNum"> 4717 </span> : if (return_trap && ((trace_p (var) == 0) && function_trace_mode == 0))</a>
|
|
<a name="4718"><span class="lineNum"> 4718 </span> : #else</a>
|
|
<a name="4719"><span class="lineNum"> 4719 </span><span class="lineNoCov"> 0 : if (return_trap && (signal_in_progress (DEBUG_TRAP) || ((trace_p (var) == 0) && function_trace_mode == 0)))</span></a>
|
|
<a name="4720"><span class="lineNum"> 4720 </span> : #endif</a>
|
|
<a name="4721"><span class="lineNum"> 4721 </span> : {</a>
|
|
<a name="4722"><span class="lineNum"> 4722 </span><span class="lineNoCov"> 0 : if (subshell == 0)</span></a>
|
|
<a name="4723"><span class="lineNum"> 4723 </span> : {</a>
|
|
<a name="4724"><span class="lineNum"> 4724 </span><span class="lineNoCov"> 0 : return_trap = savestring (return_trap);</span></a>
|
|
<a name="4725"><span class="lineNum"> 4725 </span><span class="lineNoCov"> 0 : add_unwind_protect (xfree, return_trap);</span></a>
|
|
<a name="4726"><span class="lineNum"> 4726 </span><span class="lineNoCov"> 0 : add_unwind_protect (maybe_set_return_trap, return_trap);</span></a>
|
|
<a name="4727"><span class="lineNum"> 4727 </span> : }</a>
|
|
<a name="4728"><span class="lineNum"> 4728 </span><span class="lineNoCov"> 0 : restore_default_signal (RETURN_TRAP);</span></a>
|
|
<a name="4729"><span class="lineNum"> 4729 </span> : }</a>
|
|
<a name="4730"><span class="lineNum"> 4730 </span> : </a>
|
|
<a name="4731"><span class="lineNum"> 4731 </span><span class="lineNoCov"> 0 : funcnest++;</span></a>
|
|
<a name="4732"><span class="lineNum"> 4732 </span> : #if defined (ARRAY_VARS)</a>
|
|
<a name="4733"><span class="lineNum"> 4733 </span> : /* This is quite similar to the code in shell.c and elsewhere. */</a>
|
|
<a name="4734"><span class="lineNum"> 4734 </span><span class="lineNoCov"> 0 : shell_fn = find_function_def (this_shell_function->name);</span></a>
|
|
<a name="4735"><span class="lineNum"> 4735 </span><span class="lineNoCov"> 0 : sfile = shell_fn ? shell_fn->source_file : "";</span></a>
|
|
<a name="4736"><span class="lineNum"> 4736 </span><span class="lineNoCov"> 0 : array_push ((ARRAY *)funcname_a, this_shell_function->name);</span></a>
|
|
<a name="4737"><span class="lineNum"> 4737 </span> : </a>
|
|
<a name="4738"><span class="lineNum"> 4738 </span><span class="lineNoCov"> 0 : array_push ((ARRAY *)bash_source_a, sfile);</span></a>
|
|
<a name="4739"><span class="lineNum"> 4739 </span><span class="lineNoCov"> 0 : t = itos (executing_line_number ());</span></a>
|
|
<a name="4740"><span class="lineNum"> 4740 </span><span class="lineNoCov"> 0 : array_push ((ARRAY *)bash_lineno_a, t);</span></a>
|
|
<a name="4741"><span class="lineNum"> 4741 </span><span class="lineNoCov"> 0 : free (t);</span></a>
|
|
<a name="4742"><span class="lineNum"> 4742 </span> : #endif</a>
|
|
<a name="4743"><span class="lineNum"> 4743 </span> : </a>
|
|
<a name="4744"><span class="lineNum"> 4744 </span> : #if defined (ARRAY_VARS)</a>
|
|
<a name="4745"><span class="lineNum"> 4745 </span><span class="lineNoCov"> 0 : fa = (struct func_array_state *)xmalloc (sizeof (struct func_array_state));</span></a>
|
|
<a name="4746"><span class="lineNum"> 4746 </span><span class="lineNoCov"> 0 : fa->source_a = (ARRAY *)bash_source_a;</span></a>
|
|
<a name="4747"><span class="lineNum"> 4747 </span><span class="lineNoCov"> 0 : fa->source_v = bash_source_v;</span></a>
|
|
<a name="4748"><span class="lineNum"> 4748 </span><span class="lineNoCov"> 0 : fa->lineno_a = (ARRAY *)bash_lineno_a;</span></a>
|
|
<a name="4749"><span class="lineNum"> 4749 </span><span class="lineNoCov"> 0 : fa->lineno_v = bash_lineno_v;</span></a>
|
|
<a name="4750"><span class="lineNum"> 4750 </span><span class="lineNoCov"> 0 : fa->funcname_a = (ARRAY *)funcname_a;</span></a>
|
|
<a name="4751"><span class="lineNum"> 4751 </span><span class="lineNoCov"> 0 : fa->funcname_v = funcname_v;</span></a>
|
|
<a name="4752"><span class="lineNum"> 4752 </span><span class="lineNoCov"> 0 : if (subshell == 0)</span></a>
|
|
<a name="4753"><span class="lineNum"> 4753 </span><span class="lineNoCov"> 0 : add_unwind_protect (restore_funcarray_state, fa);</span></a>
|
|
<a name="4754"><span class="lineNum"> 4754 </span> : #endif</a>
|
|
<a name="4755"><span class="lineNum"> 4755 </span> : </a>
|
|
<a name="4756"><span class="lineNum"> 4756 </span> : /* The temporary environment for a function is supposed to apply to</a>
|
|
<a name="4757"><span class="lineNum"> 4757 </span> : all commands executed within the function body. */</a>
|
|
<a name="4758"><span class="lineNum"> 4758 </span> : </a>
|
|
<a name="4759"><span class="lineNum"> 4759 </span><span class="lineNoCov"> 0 : remember_args (words->next, 1);</span></a>
|
|
<a name="4760"><span class="lineNum"> 4760 </span> : </a>
|
|
<a name="4761"><span class="lineNum"> 4761 </span> : /* Update BASH_ARGV and BASH_ARGC */</a>
|
|
<a name="4762"><span class="lineNum"> 4762 </span><span class="lineNoCov"> 0 : if (debugging_mode)</span></a>
|
|
<a name="4763"><span class="lineNum"> 4763 </span> : {</a>
|
|
<a name="4764"><span class="lineNum"> 4764 </span><span class="lineNoCov"> 0 : push_args (words->next);</span></a>
|
|
<a name="4765"><span class="lineNum"> 4765 </span><span class="lineNoCov"> 0 : if (subshell == 0)</span></a>
|
|
<a name="4766"><span class="lineNum"> 4766 </span><span class="lineNoCov"> 0 : add_unwind_protect (pop_args, 0);</span></a>
|
|
<a name="4767"><span class="lineNum"> 4767 </span> : }</a>
|
|
<a name="4768"><span class="lineNum"> 4768 </span> : </a>
|
|
<a name="4769"><span class="lineNum"> 4769 </span> : /* Number of the line on which the function body starts. */</a>
|
|
<a name="4770"><span class="lineNum"> 4770 </span><span class="lineNoCov"> 0 : line_number = function_line_number = tc->line;</span></a>
|
|
<a name="4771"><span class="lineNum"> 4771 </span> : </a>
|
|
<a name="4772"><span class="lineNum"> 4772 </span> : #if defined (JOB_CONTROL)</a>
|
|
<a name="4773"><span class="lineNum"> 4773 </span><span class="lineNoCov"> 0 : if (subshell)</span></a>
|
|
<a name="4774"><span class="lineNum"> 4774 </span><span class="lineNoCov"> 0 : stop_pipeline (async, (COMMAND *)NULL);</span></a>
|
|
<a name="4775"><span class="lineNum"> 4775 </span> : #endif</a>
|
|
<a name="4776"><span class="lineNum"> 4776 </span> : </a>
|
|
<a name="4777"><span class="lineNum"> 4777 </span><span class="lineNoCov"> 0 : if (shell_compatibility_level > 43)</span></a>
|
|
<a name="4778"><span class="lineNum"> 4778 </span><span class="lineNoCov"> 0 : loop_level = 0;</span></a>
|
|
<a name="4779"><span class="lineNum"> 4779 </span> : </a>
|
|
<a name="4780"><span class="lineNum"> 4780 </span><span class="lineNoCov"> 0 : fc = tc;</span></a>
|
|
<a name="4781"><span class="lineNum"> 4781 </span> : </a>
|
|
<a name="4782"><span class="lineNum"> 4782 </span><span class="lineNoCov"> 0 : from_return_trap = 0;</span></a>
|
|
<a name="4783"><span class="lineNum"> 4783 </span> : </a>
|
|
<a name="4784"><span class="lineNum"> 4784 </span><span class="lineNoCov"> 0 : return_catch_flag++;</span></a>
|
|
<a name="4785"><span class="lineNum"> 4785 </span><span class="lineNoCov"> 0 : return_val = setjmp_nosigs (return_catch);</span></a>
|
|
<a name="4786"><span class="lineNum"> 4786 </span> : </a>
|
|
<a name="4787"><span class="lineNum"> 4787 </span><span class="lineNoCov"> 0 : if (return_val)</span></a>
|
|
<a name="4788"><span class="lineNum"> 4788 </span> : {</a>
|
|
<a name="4789"><span class="lineNum"> 4789 </span><span class="lineNoCov"> 0 : result = return_catch_value;</span></a>
|
|
<a name="4790"><span class="lineNum"> 4790 </span> : /* Run the RETURN trap in the function's context. */</a>
|
|
<a name="4791"><span class="lineNum"> 4791 </span><span class="lineNoCov"> 0 : save_current = currently_executing_command;</span></a>
|
|
<a name="4792"><span class="lineNum"> 4792 </span><span class="lineNoCov"> 0 : if (from_return_trap == 0)</span></a>
|
|
<a name="4793"><span class="lineNum"> 4793 </span><span class="lineNoCov"> 0 : run_return_trap ();</span></a>
|
|
<a name="4794"><span class="lineNum"> 4794 </span><span class="lineNoCov"> 0 : currently_executing_command = save_current;</span></a>
|
|
<a name="4795"><span class="lineNum"> 4795 </span> : }</a>
|
|
<a name="4796"><span class="lineNum"> 4796 </span> : else</a>
|
|
<a name="4797"><span class="lineNum"> 4797 </span> : {</a>
|
|
<a name="4798"><span class="lineNum"> 4798 </span> : /* Run the debug trap here so we can trap at the start of a function's</a>
|
|
<a name="4799"><span class="lineNum"> 4799 </span> : execution rather than the execution of the body's first command. */</a>
|
|
<a name="4800"><span class="lineNum"> 4800 </span><span class="lineNoCov"> 0 : showing_function_line = 1;</span></a>
|
|
<a name="4801"><span class="lineNum"> 4801 </span><span class="lineNoCov"> 0 : save_current = currently_executing_command;</span></a>
|
|
<a name="4802"><span class="lineNum"> 4802 </span><span class="lineNoCov"> 0 : result = run_debug_trap ();</span></a>
|
|
<a name="4803"><span class="lineNum"> 4803 </span> : #if defined (DEBUGGER)</a>
|
|
<a name="4804"><span class="lineNum"> 4804 </span> : /* In debugging mode, if the DEBUG trap returns a non-zero status, we</a>
|
|
<a name="4805"><span class="lineNum"> 4805 </span> : skip the command. */</a>
|
|
<a name="4806"><span class="lineNum"> 4806 </span><span class="lineNoCov"> 0 : if (debugging_mode == 0 || result == EXECUTION_SUCCESS)</span></a>
|
|
<a name="4807"><span class="lineNum"> 4807 </span> : {</a>
|
|
<a name="4808"><span class="lineNum"> 4808 </span><span class="lineNoCov"> 0 : showing_function_line = 0;</span></a>
|
|
<a name="4809"><span class="lineNum"> 4809 </span><span class="lineNoCov"> 0 : currently_executing_command = save_current;</span></a>
|
|
<a name="4810"><span class="lineNum"> 4810 </span><span class="lineNoCov"> 0 : result = execute_command_internal (fc, 0, NO_PIPE, NO_PIPE, fds_to_close);</span></a>
|
|
<a name="4811"><span class="lineNum"> 4811 </span> : </a>
|
|
<a name="4812"><span class="lineNum"> 4812 </span> : /* Run the RETURN trap in the function's context */</a>
|
|
<a name="4813"><span class="lineNum"> 4813 </span><span class="lineNoCov"> 0 : save_current = currently_executing_command;</span></a>
|
|
<a name="4814"><span class="lineNum"> 4814 </span><span class="lineNoCov"> 0 : run_return_trap ();</span></a>
|
|
<a name="4815"><span class="lineNum"> 4815 </span><span class="lineNoCov"> 0 : currently_executing_command = save_current;</span></a>
|
|
<a name="4816"><span class="lineNum"> 4816 </span> : }</a>
|
|
<a name="4817"><span class="lineNum"> 4817 </span> : #else</a>
|
|
<a name="4818"><span class="lineNum"> 4818 </span> : result = execute_command_internal (fc, 0, NO_PIPE, NO_PIPE, fds_to_close);</a>
|
|
<a name="4819"><span class="lineNum"> 4819 </span> : </a>
|
|
<a name="4820"><span class="lineNum"> 4820 </span> : save_current = currently_executing_command;</a>
|
|
<a name="4821"><span class="lineNum"> 4821 </span> : run_return_trap ();</a>
|
|
<a name="4822"><span class="lineNum"> 4822 </span> : currently_executing_command = save_current;</a>
|
|
<a name="4823"><span class="lineNum"> 4823 </span> : #endif</a>
|
|
<a name="4824"><span class="lineNum"> 4824 </span><span class="lineNoCov"> 0 : showing_function_line = 0;</span></a>
|
|
<a name="4825"><span class="lineNum"> 4825 </span> : }</a>
|
|
<a name="4826"><span class="lineNum"> 4826 </span> : </a>
|
|
<a name="4827"><span class="lineNum"> 4827 </span> : /* If we have a local copy of OPTIND, note it in the saved getopts state. */</a>
|
|
<a name="4828"><span class="lineNum"> 4828 </span><span class="lineNoCov"> 0 : gv = find_variable ("OPTIND");</span></a>
|
|
<a name="4829"><span class="lineNum"> 4829 </span><span class="lineNoCov"> 0 : if (gv && gv->context == variable_context)</span></a>
|
|
<a name="4830"><span class="lineNum"> 4830 </span><span class="lineNoCov"> 0 : gs->gs_flags |= 1;</span></a>
|
|
<a name="4831"><span class="lineNum"> 4831 </span> : </a>
|
|
<a name="4832"><span class="lineNum"> 4832 </span><span class="lineNoCov"> 0 : if (subshell == 0)</span></a>
|
|
<a name="4833"><span class="lineNum"> 4833 </span><span class="lineNoCov"> 0 : run_unwind_frame ("function_calling");</span></a>
|
|
<a name="4834"><span class="lineNum"> 4834 </span> : #if defined (ARRAY_VARS)</a>
|
|
<a name="4835"><span class="lineNum"> 4835 </span> : else</a>
|
|
<a name="4836"><span class="lineNum"> 4836 </span> : {</a>
|
|
<a name="4837"><span class="lineNum"> 4837 </span><span class="lineNoCov"> 0 : restore_funcarray_state (fa);</span></a>
|
|
<a name="4838"><span class="lineNum"> 4838 </span> : /* Restore BASH_ARGC and BASH_ARGV */</a>
|
|
<a name="4839"><span class="lineNum"> 4839 </span><span class="lineNoCov"> 0 : if (debugging_mode)</span></a>
|
|
<a name="4840"><span class="lineNum"> 4840 </span><span class="lineNoCov"> 0 : pop_args ();</span></a>
|
|
<a name="4841"><span class="lineNum"> 4841 </span> : }</a>
|
|
<a name="4842"><span class="lineNum"> 4842 </span> : #endif</a>
|
|
<a name="4843"><span class="lineNum"> 4843 </span> : </a>
|
|
<a name="4844"><span class="lineNum"> 4844 </span><span class="lineNoCov"> 0 : if (variable_context == 0 || this_shell_function == 0)</span></a>
|
|
<a name="4845"><span class="lineNum"> 4845 </span> : {</a>
|
|
<a name="4846"><span class="lineNum"> 4846 </span><span class="lineNoCov"> 0 : make_funcname_visible (0);</span></a>
|
|
<a name="4847"><span class="lineNum"> 4847 </span> : #if defined (PROCESS_SUBSTITUTION)</a>
|
|
<a name="4848"><span class="lineNum"> 4848 </span><span class="lineNoCov"> 0 : unlink_fifo_list ();</span></a>
|
|
<a name="4849"><span class="lineNum"> 4849 </span> : #endif</a>
|
|
<a name="4850"><span class="lineNum"> 4850 </span> : }</a>
|
|
<a name="4851"><span class="lineNum"> 4851 </span> : </a>
|
|
<a name="4852"><span class="lineNum"> 4852 </span><span class="lineNoCov"> 0 : return (result);</span></a>
|
|
<a name="4853"><span class="lineNum"> 4853 </span> : }</a>
|
|
<a name="4854"><span class="lineNum"> 4854 </span> : </a>
|
|
<a name="4855"><span class="lineNum"> 4855 </span> : /* A convenience routine for use by other parts of the shell to execute</a>
|
|
<a name="4856"><span class="lineNum"> 4856 </span> : a particular shell function. */</a>
|
|
<a name="4857"><span class="lineNum"> 4857 </span> : int</a>
|
|
<a name="4858"><span class="lineNum"> 4858 </span><span class="lineNoCov"> 0 : execute_shell_function (var, words)</span></a>
|
|
<a name="4859"><span class="lineNum"> 4859 </span> : SHELL_VAR *var;</a>
|
|
<a name="4860"><span class="lineNum"> 4860 </span> : WORD_LIST *words;</a>
|
|
<a name="4861"><span class="lineNum"> 4861 </span> : {</a>
|
|
<a name="4862"><span class="lineNum"> 4862 </span><span class="lineNoCov"> 0 : int ret;</span></a>
|
|
<a name="4863"><span class="lineNum"> 4863 </span><span class="lineNoCov"> 0 : struct fd_bitmap *bitmap;</span></a>
|
|
<a name="4864"><span class="lineNum"> 4864 </span> : </a>
|
|
<a name="4865"><span class="lineNum"> 4865 </span><span class="lineNoCov"> 0 : bitmap = new_fd_bitmap (FD_BITMAP_DEFAULT_SIZE);</span></a>
|
|
<a name="4866"><span class="lineNum"> 4866 </span><span class="lineNoCov"> 0 : begin_unwind_frame ("execute-shell-function");</span></a>
|
|
<a name="4867"><span class="lineNum"> 4867 </span><span class="lineNoCov"> 0 : add_unwind_protect (dispose_fd_bitmap, (char *)bitmap);</span></a>
|
|
<a name="4868"><span class="lineNum"> 4868 </span> : </a>
|
|
<a name="4869"><span class="lineNum"> 4869 </span><span class="lineNoCov"> 0 : ret = execute_function (var, words, 0, bitmap, 0, 0);</span></a>
|
|
<a name="4870"><span class="lineNum"> 4870 </span> : </a>
|
|
<a name="4871"><span class="lineNum"> 4871 </span><span class="lineNoCov"> 0 : dispose_fd_bitmap (bitmap);</span></a>
|
|
<a name="4872"><span class="lineNum"> 4872 </span><span class="lineNoCov"> 0 : discard_unwind_frame ("execute-shell-function");</span></a>
|
|
<a name="4873"><span class="lineNum"> 4873 </span> : </a>
|
|
<a name="4874"><span class="lineNum"> 4874 </span><span class="lineNoCov"> 0 : return ret;</span></a>
|
|
<a name="4875"><span class="lineNum"> 4875 </span> : }</a>
|
|
<a name="4876"><span class="lineNum"> 4876 </span> : </a>
|
|
<a name="4877"><span class="lineNum"> 4877 </span> : /* Execute a shell builtin or function in a subshell environment. This</a>
|
|
<a name="4878"><span class="lineNum"> 4878 </span> : routine does not return; it only calls exit(). If BUILTIN is non-null,</a>
|
|
<a name="4879"><span class="lineNum"> 4879 </span> : it points to a function to call to execute a shell builtin; otherwise</a>
|
|
<a name="4880"><span class="lineNum"> 4880 </span> : VAR points at the body of a function to execute. WORDS is the arguments</a>
|
|
<a name="4881"><span class="lineNum"> 4881 </span> : to the command, REDIRECTS specifies redirections to perform before the</a>
|
|
<a name="4882"><span class="lineNum"> 4882 </span> : command is executed. */</a>
|
|
<a name="4883"><span class="lineNum"> 4883 </span> : static void</a>
|
|
<a name="4884"><span class="lineNum"> 4884 </span><span class="lineCov"> 9903 : execute_subshell_builtin_or_function (words, redirects, builtin, var,</span></a>
|
|
<a name="4885"><span class="lineNum"> 4885 </span> : pipe_in, pipe_out, async, fds_to_close,</a>
|
|
<a name="4886"><span class="lineNum"> 4886 </span> : flags)</a>
|
|
<a name="4887"><span class="lineNum"> 4887 </span> : WORD_LIST *words;</a>
|
|
<a name="4888"><span class="lineNum"> 4888 </span> : REDIRECT *redirects;</a>
|
|
<a name="4889"><span class="lineNum"> 4889 </span> : sh_builtin_func_t *builtin;</a>
|
|
<a name="4890"><span class="lineNum"> 4890 </span> : SHELL_VAR *var;</a>
|
|
<a name="4891"><span class="lineNum"> 4891 </span> : int pipe_in, pipe_out, async;</a>
|
|
<a name="4892"><span class="lineNum"> 4892 </span> : struct fd_bitmap *fds_to_close;</a>
|
|
<a name="4893"><span class="lineNum"> 4893 </span> : int flags;</a>
|
|
<a name="4894"><span class="lineNum"> 4894 </span> : {</a>
|
|
<a name="4895"><span class="lineNum"> 4895 </span><span class="lineCov"> 9903 : int result, r, funcvalue;</span></a>
|
|
<a name="4896"><span class="lineNum"> 4896 </span> : #if defined (JOB_CONTROL)</a>
|
|
<a name="4897"><span class="lineNum"> 4897 </span><span class="lineCov"> 9903 : int jobs_hack;</span></a>
|
|
<a name="4898"><span class="lineNum"> 4898 </span> : </a>
|
|
<a name="4899"><span class="lineNum"> 4899 </span><span class="lineCov"> 9903 : jobs_hack = (builtin == jobs_builtin) &&</span></a>
|
|
<a name="4900"><span class="lineNum"> 4900 </span><span class="lineCov"> 55 : ((subshell_environment & SUBSHELL_ASYNC) == 0 || pipe_out != NO_PIPE);</span></a>
|
|
<a name="4901"><span class="lineNum"> 4901 </span> : #endif</a>
|
|
<a name="4902"><span class="lineNum"> 4902 </span> : </a>
|
|
<a name="4903"><span class="lineNum"> 4903 </span> : /* A subshell is neither a login shell nor interactive. */</a>
|
|
<a name="4904"><span class="lineNum"> 4904 </span><span class="lineCov"> 9903 : login_shell = interactive = 0;</span></a>
|
|
<a name="4905"><span class="lineNum"> 4905 </span><span class="lineCov"> 9903 : if (builtin == eval_builtin)</span></a>
|
|
<a name="4906"><span class="lineNum"> 4906 </span><span class="lineCov"> 9 : evalnest = 0;</span></a>
|
|
<a name="4907"><span class="lineNum"> 4907 </span><span class="lineCov"> 9894 : else if (builtin == source_builtin)</span></a>
|
|
<a name="4908"><span class="lineNum"> 4908 </span><span class="lineCov"> 1081 : sourcenest = 0;</span></a>
|
|
<a name="4909"><span class="lineNum"> 4909 </span> : </a>
|
|
<a name="4910"><span class="lineNum"> 4910 </span><span class="lineCov"> 9903 : if (async)</span></a>
|
|
<a name="4911"><span class="lineNum"> 4911 </span><span class="lineCov"> 585 : subshell_environment |= SUBSHELL_ASYNC;</span></a>
|
|
<a name="4912"><span class="lineNum"> 4912 </span><span class="lineCov"> 9903 : if (pipe_in != NO_PIPE || pipe_out != NO_PIPE)</span></a>
|
|
<a name="4913"><span class="lineNum"> 4913 </span><span class="lineNoCov"> 0 : subshell_environment |= SUBSHELL_PIPE;</span></a>
|
|
<a name="4914"><span class="lineNum"> 4914 </span> : </a>
|
|
<a name="4915"><span class="lineNum"> 4915 </span><span class="lineCov"> 9903 : maybe_make_export_env (); /* XXX - is this needed? */</span></a>
|
|
<a name="4916"><span class="lineNum"> 4916 </span> : </a>
|
|
<a name="4917"><span class="lineNum"> 4917 </span> : #if defined (JOB_CONTROL)</a>
|
|
<a name="4918"><span class="lineNum"> 4918 </span> : /* Eradicate all traces of job control after we fork the subshell, so</a>
|
|
<a name="4919"><span class="lineNum"> 4919 </span> : all jobs begun by this subshell are in the same process group as</a>
|
|
<a name="4920"><span class="lineNum"> 4920 </span> : the shell itself. */</a>
|
|
<a name="4921"><span class="lineNum"> 4921 </span> : </a>
|
|
<a name="4922"><span class="lineNum"> 4922 </span> : /* Allow the output of `jobs' to be piped. */</a>
|
|
<a name="4923"><span class="lineNum"> 4923 </span><span class="lineCov"> 9903 : if (jobs_hack)</span></a>
|
|
<a name="4924"><span class="lineNum"> 4924 </span><span class="lineCov"> 55 : kill_current_pipeline ();</span></a>
|
|
<a name="4925"><span class="lineNum"> 4925 </span> : else</a>
|
|
<a name="4926"><span class="lineNum"> 4926 </span><span class="lineCov"> 9848 : without_job_control ();</span></a>
|
|
<a name="4927"><span class="lineNum"> 4927 </span> : </a>
|
|
<a name="4928"><span class="lineNum"> 4928 </span><span class="lineCov"> 9903 : set_sigchld_handler ();</span></a>
|
|
<a name="4929"><span class="lineNum"> 4929 </span> : #endif /* JOB_CONTROL */</a>
|
|
<a name="4930"><span class="lineNum"> 4930 </span> : </a>
|
|
<a name="4931"><span class="lineNum"> 4931 </span><span class="lineCov"> 9903 : set_sigint_handler ();</span></a>
|
|
<a name="4932"><span class="lineNum"> 4932 </span> : </a>
|
|
<a name="4933"><span class="lineNum"> 4933 </span><span class="lineCov"> 9903 : if (fds_to_close)</span></a>
|
|
<a name="4934"><span class="lineNum"> 4934 </span><span class="lineCov"> 9903 : close_fd_bitmap (fds_to_close);</span></a>
|
|
<a name="4935"><span class="lineNum"> 4935 </span> : </a>
|
|
<a name="4936"><span class="lineNum"> 4936 </span><span class="lineCov"> 9903 : do_piping (pipe_in, pipe_out);</span></a>
|
|
<a name="4937"><span class="lineNum"> 4937 </span> : </a>
|
|
<a name="4938"><span class="lineNum"> 4938 </span><span class="lineCov"> 9903 : if (do_redirections (redirects, RX_ACTIVE) != 0)</span></a>
|
|
<a name="4939"><span class="lineNum"> 4939 </span><span class="lineCov"> 31 : exit (EXECUTION_FAILURE);</span></a>
|
|
<a name="4940"><span class="lineNum"> 4940 </span> : </a>
|
|
<a name="4941"><span class="lineNum"> 4941 </span><span class="lineCov"> 9872 : if (builtin)</span></a>
|
|
<a name="4942"><span class="lineNum"> 4942 </span> : {</a>
|
|
<a name="4943"><span class="lineNum"> 4943 </span> : /* Give builtins a place to jump back to on failure,</a>
|
|
<a name="4944"><span class="lineNum"> 4944 </span> : so we don't go back up to main(). */</a>
|
|
<a name="4945"><span class="lineNum"> 4945 </span><span class="lineCov"> 13137 : result = setjmp_nosigs (top_level);</span></a>
|
|
<a name="4946"><span class="lineNum"> 4946 </span> : </a>
|
|
<a name="4947"><span class="lineNum"> 4947 </span> : /* Give the return builtin a place to jump to when executed in a subshell</a>
|
|
<a name="4948"><span class="lineNum"> 4948 </span> : or pipeline */</a>
|
|
<a name="4949"><span class="lineNum"> 4949 </span><span class="lineCov"> 13137 : funcvalue = 0;</span></a>
|
|
<a name="4950"><span class="lineNum"> 4950 </span><span class="lineCov"> 13137 : if (return_catch_flag && builtin == return_builtin)</span></a>
|
|
<a name="4951"><span class="lineNum"> 4951 </span><span class="lineCov"> 18 : funcvalue = setjmp_nosigs (return_catch);</span></a>
|
|
<a name="4952"><span class="lineNum"> 4952 </span> : </a>
|
|
<a name="4953"><span class="lineNum"> 4953 </span><span class="lineCov"> 13146 : if (result == EXITPROG)</span></a>
|
|
<a name="4954"><span class="lineNum"> 4954 </span><span class="lineCov"> 3472 : exit (last_command_exit_value);</span></a>
|
|
<a name="4955"><span class="lineNum"> 4955 </span><span class="lineCov"> 9674 : else if (result)</span></a>
|
|
<a name="4956"><span class="lineNum"> 4956 </span><span class="lineNoCov"> 0 : exit (EXECUTION_FAILURE);</span></a>
|
|
<a name="4957"><span class="lineNum"> 4957 </span><span class="lineCov"> 9674 : else if (funcvalue)</span></a>
|
|
<a name="4958"><span class="lineNum"> 4958 </span><span class="lineCov"> 9 : exit (return_catch_value);</span></a>
|
|
<a name="4959"><span class="lineNum"> 4959 </span> : else</a>
|
|
<a name="4960"><span class="lineNum"> 4960 </span> : {</a>
|
|
<a name="4961"><span class="lineNum"> 4961 </span><span class="lineCov"> 9665 : r = execute_builtin (builtin, words, flags, 1);</span></a>
|
|
<a name="4962"><span class="lineNum"> 4962 </span><span class="lineCov"> 6184 : fflush (stdout);</span></a>
|
|
<a name="4963"><span class="lineNum"> 4963 </span><span class="lineCov"> 6184 : if (r == EX_USAGE)</span></a>
|
|
<a name="4964"><span class="lineNum"> 4964 </span><span class="lineCov"> 116 : r = EX_BADUSAGE;</span></a>
|
|
<a name="4965"><span class="lineNum"> 4965 </span><span class="lineCov"> 6184 : sh_exit (r);</span></a>
|
|
<a name="4966"><span class="lineNum"> 4966 </span> : }</a>
|
|
<a name="4967"><span class="lineNum"> 4967 </span> : }</a>
|
|
<a name="4968"><span class="lineNum"> 4968 </span> : else</a>
|
|
<a name="4969"><span class="lineNum"> 4969 </span> : {</a>
|
|
<a name="4970"><span class="lineNum"> 4970 </span><span class="lineCov"> 207 : r = execute_function (var, words, flags, fds_to_close, async, 1);</span></a>
|
|
<a name="4971"><span class="lineNum"> 4971 </span><span class="lineCov"> 207 : fflush (stdout);</span></a>
|
|
<a name="4972"><span class="lineNum"> 4972 </span><span class="lineCov"> 207 : sh_exit (r);</span></a>
|
|
<a name="4973"><span class="lineNum"> 4973 </span> : }</a>
|
|
<a name="4974"><span class="lineNum"> 4974 </span> : }</a>
|
|
<a name="4975"><span class="lineNum"> 4975 </span> : </a>
|
|
<a name="4976"><span class="lineNum"> 4976 </span> : /* Execute a builtin or function in the current shell context. If BUILTIN</a>
|
|
<a name="4977"><span class="lineNum"> 4977 </span> : is non-null, it is the builtin command to execute, otherwise VAR points</a>
|
|
<a name="4978"><span class="lineNum"> 4978 </span> : to the body of a function. WORDS are the command's arguments, REDIRECTS</a>
|
|
<a name="4979"><span class="lineNum"> 4979 </span> : are the redirections to perform. FDS_TO_CLOSE is the usual bitmap of</a>
|
|
<a name="4980"><span class="lineNum"> 4980 </span> : file descriptors to close.</a>
|
|
<a name="4981"><span class="lineNum"> 4981 </span> : </a>
|
|
<a name="4982"><span class="lineNum"> 4982 </span> : If BUILTIN is exec_builtin, the redirections specified in REDIRECTS are</a>
|
|
<a name="4983"><span class="lineNum"> 4983 </span> : not undone before this function returns. */</a>
|
|
<a name="4984"><span class="lineNum"> 4984 </span> : static int</a>
|
|
<a name="4985"><span class="lineNum"> 4985 </span><span class="lineCov"> 51955870 : execute_builtin_or_function (words, builtin, var, redirects,</span></a>
|
|
<a name="4986"><span class="lineNum"> 4986 </span> : fds_to_close, flags)</a>
|
|
<a name="4987"><span class="lineNum"> 4987 </span> : WORD_LIST *words;</a>
|
|
<a name="4988"><span class="lineNum"> 4988 </span> : sh_builtin_func_t *builtin;</a>
|
|
<a name="4989"><span class="lineNum"> 4989 </span> : SHELL_VAR *var;</a>
|
|
<a name="4990"><span class="lineNum"> 4990 </span> : REDIRECT *redirects;</a>
|
|
<a name="4991"><span class="lineNum"> 4991 </span> : struct fd_bitmap *fds_to_close;</a>
|
|
<a name="4992"><span class="lineNum"> 4992 </span> : int flags;</a>
|
|
<a name="4993"><span class="lineNum"> 4993 </span> : {</a>
|
|
<a name="4994"><span class="lineNum"> 4994 </span><span class="lineCov"> 51955870 : int result;</span></a>
|
|
<a name="4995"><span class="lineNum"> 4995 </span><span class="lineCov"> 51955870 : REDIRECT *saved_undo_list;</span></a>
|
|
<a name="4996"><span class="lineNum"> 4996 </span> : #if defined (PROCESS_SUBSTITUTION)</a>
|
|
<a name="4997"><span class="lineNum"> 4997 </span><span class="lineCov"> 51955870 : int ofifo, nfifo, osize;</span></a>
|
|
<a name="4998"><span class="lineNum"> 4998 </span><span class="lineCov"> 51955870 : char *ofifo_list;</span></a>
|
|
<a name="4999"><span class="lineNum"> 4999 </span> : #endif</a>
|
|
<a name="5000"><span class="lineNum"> 5000 </span> : </a>
|
|
<a name="5001"><span class="lineNum"> 5001 </span> : #if defined (PROCESS_SUBSTITUTION)</a>
|
|
<a name="5002"><span class="lineNum"> 5002 </span><span class="lineCov"> 51955870 : begin_unwind_frame ("saved_fifos");</span></a>
|
|
<a name="5003"><span class="lineNum"> 5003 </span> : /* If we return, we longjmp and don't get a chance to restore the old</a>
|
|
<a name="5004"><span class="lineNum"> 5004 </span> : fifo list, so we add an unwind protect to free it */</a>
|
|
<a name="5005"><span class="lineNum"> 5005 </span><span class="lineCov"> 51955870 : ofifo = num_fifos ();</span></a>
|
|
<a name="5006"><span class="lineNum"> 5006 </span><span class="lineCov"> 51955870 : ofifo_list = copy_fifo_list (&osize);</span></a>
|
|
<a name="5007"><span class="lineNum"> 5007 </span><span class="lineCov"> 51955870 : if (ofifo_list)</span></a>
|
|
<a name="5008"><span class="lineNum"> 5008 </span><span class="lineNoCov"> 0 : add_unwind_protect (xfree, ofifo_list);</span></a>
|
|
<a name="5009"><span class="lineNum"> 5009 </span> : #endif</a>
|
|
<a name="5010"><span class="lineNum"> 5010 </span> : </a>
|
|
<a name="5011"><span class="lineNum"> 5011 </span><span class="lineCov"> 51955870 : if (do_redirections (redirects, RX_ACTIVE|RX_UNDOABLE) != 0)</span></a>
|
|
<a name="5012"><span class="lineNum"> 5012 </span> : {</a>
|
|
<a name="5013"><span class="lineNum"> 5013 </span><span class="lineCov"> 67543 : cleanup_redirects (redirection_undo_list);</span></a>
|
|
<a name="5014"><span class="lineNum"> 5014 </span><span class="lineCov"> 67543 : redirection_undo_list = (REDIRECT *)NULL;</span></a>
|
|
<a name="5015"><span class="lineNum"> 5015 </span><span class="lineCov"> 67543 : dispose_exec_redirects ();</span></a>
|
|
<a name="5016"><span class="lineNum"> 5016 </span> : #if defined (PROCESS_SUBSTITUTION)</a>
|
|
<a name="5017"><span class="lineNum"> 5017 </span><span class="lineCov"> 67543 : free (ofifo_list);</span></a>
|
|
<a name="5018"><span class="lineNum"> 5018 </span> : #endif</a>
|
|
<a name="5019"><span class="lineNum"> 5019 </span><span class="lineCov"> 67543 : return (EX_REDIRFAIL); /* was EXECUTION_FAILURE */</span></a>
|
|
<a name="5020"><span class="lineNum"> 5020 </span> : }</a>
|
|
<a name="5021"><span class="lineNum"> 5021 </span> : </a>
|
|
<a name="5022"><span class="lineNum"> 5022 </span><span class="lineCov"> 51888327 : saved_undo_list = redirection_undo_list;</span></a>
|
|
<a name="5023"><span class="lineNum"> 5023 </span> : </a>
|
|
<a name="5024"><span class="lineNum"> 5024 </span> : /* Calling the "exec" builtin changes redirections forever. */</a>
|
|
<a name="5025"><span class="lineNum"> 5025 </span><span class="lineCov"> 51888327 : if (builtin == exec_builtin)</span></a>
|
|
<a name="5026"><span class="lineNum"> 5026 </span> : {</a>
|
|
<a name="5027"><span class="lineNum"> 5027 </span><span class="lineNoCov"> 0 : dispose_redirects (saved_undo_list);</span></a>
|
|
<a name="5028"><span class="lineNum"> 5028 </span><span class="lineNoCov"> 0 : saved_undo_list = exec_redirection_undo_list;</span></a>
|
|
<a name="5029"><span class="lineNum"> 5029 </span><span class="lineNoCov"> 0 : exec_redirection_undo_list = (REDIRECT *)NULL;</span></a>
|
|
<a name="5030"><span class="lineNum"> 5030 </span> : }</a>
|
|
<a name="5031"><span class="lineNum"> 5031 </span> : else</a>
|
|
<a name="5032"><span class="lineNum"> 5032 </span><span class="lineCov"> 51888327 : dispose_exec_redirects ();</span></a>
|
|
<a name="5033"><span class="lineNum"> 5033 </span> : </a>
|
|
<a name="5034"><span class="lineNum"> 5034 </span><span class="lineCov"> 51888327 : if (saved_undo_list)</span></a>
|
|
<a name="5035"><span class="lineNum"> 5035 </span> : {</a>
|
|
<a name="5036"><span class="lineNum"> 5036 </span><span class="lineCov"> 348 : begin_unwind_frame ("saved-redirects");</span></a>
|
|
<a name="5037"><span class="lineNum"> 5037 </span><span class="lineCov"> 348 : add_unwind_protect (cleanup_redirects, (char *)saved_undo_list);</span></a>
|
|
<a name="5038"><span class="lineNum"> 5038 </span> : }</a>
|
|
<a name="5039"><span class="lineNum"> 5039 </span> : </a>
|
|
<a name="5040"><span class="lineNum"> 5040 </span><span class="lineCov"> 51888327 : redirection_undo_list = (REDIRECT *)NULL;</span></a>
|
|
<a name="5041"><span class="lineNum"> 5041 </span> : </a>
|
|
<a name="5042"><span class="lineNum"> 5042 </span><span class="lineCov"> 51888327 : if (builtin)</span></a>
|
|
<a name="5043"><span class="lineNum"> 5043 </span><span class="lineCov"> 51878457 : result = execute_builtin (builtin, words, flags, 0);</span></a>
|
|
<a name="5044"><span class="lineNum"> 5044 </span> : else</a>
|
|
<a name="5045"><span class="lineNum"> 5045 </span><span class="lineCov"> 9870 : result = execute_function (var, words, flags, fds_to_close, 0, 0);</span></a>
|
|
<a name="5046"><span class="lineNum"> 5046 </span> : </a>
|
|
<a name="5047"><span class="lineNum"> 5047 </span> : /* We do this before undoing the effects of any redirections. */</a>
|
|
<a name="5048"><span class="lineNum"> 5048 </span><span class="lineCov"> 44548799 : fflush (stdout);</span></a>
|
|
<a name="5049"><span class="lineNum"> 5049 </span><span class="lineCov"> 44548799 : fpurge (stdout);</span></a>
|
|
<a name="5050"><span class="lineNum"> 5050 </span><span class="lineCov"> 44548799 : if (ferror (stdout))</span></a>
|
|
<a name="5051"><span class="lineNum"> 5051 </span><span class="lineNoCov"> 0 : clearerr (stdout); </span></a>
|
|
<a name="5052"><span class="lineNum"> 5052 </span> : </a>
|
|
<a name="5053"><span class="lineNum"> 5053 </span> : /* If we are executing the `command' builtin, but this_shell_builtin is</a>
|
|
<a name="5054"><span class="lineNum"> 5054 </span> : set to `exec_builtin', we know that we have something like</a>
|
|
<a name="5055"><span class="lineNum"> 5055 </span> : `command exec [redirection]', since otherwise `exec' would have</a>
|
|
<a name="5056"><span class="lineNum"> 5056 </span> : overwritten the shell and we wouldn't get here. In this case, we</a>
|
|
<a name="5057"><span class="lineNum"> 5057 </span> : want to behave as if the `command' builtin had not been specified</a>
|
|
<a name="5058"><span class="lineNum"> 5058 </span> : and preserve the redirections. */</a>
|
|
<a name="5059"><span class="lineNum"> 5059 </span><span class="lineCov"> 44548799 : if (builtin == command_builtin && this_shell_builtin == exec_builtin)</span></a>
|
|
<a name="5060"><span class="lineNum"> 5060 </span> : {</a>
|
|
<a name="5061"><span class="lineNum"> 5061 </span><span class="lineNoCov"> 0 : int discard;</span></a>
|
|
<a name="5062"><span class="lineNum"> 5062 </span> : </a>
|
|
<a name="5063"><span class="lineNum"> 5063 </span><span class="lineNoCov"> 0 : discard = 0;</span></a>
|
|
<a name="5064"><span class="lineNum"> 5064 </span><span class="lineNoCov"> 0 : if (saved_undo_list)</span></a>
|
|
<a name="5065"><span class="lineNum"> 5065 </span> : {</a>
|
|
<a name="5066"><span class="lineNum"> 5066 </span><span class="lineNoCov"> 0 : dispose_redirects (saved_undo_list);</span></a>
|
|
<a name="5067"><span class="lineNum"> 5067 </span><span class="lineNoCov"> 0 : discard = 1;</span></a>
|
|
<a name="5068"><span class="lineNum"> 5068 </span> : }</a>
|
|
<a name="5069"><span class="lineNum"> 5069 </span><span class="lineNoCov"> 0 : redirection_undo_list = exec_redirection_undo_list;</span></a>
|
|
<a name="5070"><span class="lineNum"> 5070 </span><span class="lineNoCov"> 0 : saved_undo_list = exec_redirection_undo_list = (REDIRECT *)NULL; </span></a>
|
|
<a name="5071"><span class="lineNum"> 5071 </span><span class="lineNoCov"> 0 : if (discard)</span></a>
|
|
<a name="5072"><span class="lineNum"> 5072 </span><span class="lineNoCov"> 0 : discard_unwind_frame ("saved-redirects");</span></a>
|
|
<a name="5073"><span class="lineNum"> 5073 </span> : }</a>
|
|
<a name="5074"><span class="lineNum"> 5074 </span> : </a>
|
|
<a name="5075"><span class="lineNum"> 5075 </span><span class="lineCov"> 44548799 : if (saved_undo_list)</span></a>
|
|
<a name="5076"><span class="lineNum"> 5076 </span> : {</a>
|
|
<a name="5077"><span class="lineNum"> 5077 </span><span class="lineCov"> 280 : redirection_undo_list = saved_undo_list;</span></a>
|
|
<a name="5078"><span class="lineNum"> 5078 </span><span class="lineCov"> 280 : discard_unwind_frame ("saved-redirects");</span></a>
|
|
<a name="5079"><span class="lineNum"> 5079 </span> : }</a>
|
|
<a name="5080"><span class="lineNum"> 5080 </span> : </a>
|
|
<a name="5081"><span class="lineNum"> 5081 </span><span class="lineCov"> 44548799 : if (redirection_undo_list)</span></a>
|
|
<a name="5082"><span class="lineNum"> 5082 </span> : {</a>
|
|
<a name="5083"><span class="lineNum"> 5083 </span><span class="lineCov"> 280 : cleanup_redirects (redirection_undo_list);</span></a>
|
|
<a name="5084"><span class="lineNum"> 5084 </span><span class="lineCov"> 280 : redirection_undo_list = (REDIRECT *)NULL;</span></a>
|
|
<a name="5085"><span class="lineNum"> 5085 </span> : }</a>
|
|
<a name="5086"><span class="lineNum"> 5086 </span> : </a>
|
|
<a name="5087"><span class="lineNum"> 5087 </span> : #if defined (PROCESS_SUBSTITUTION)</a>
|
|
<a name="5088"><span class="lineNum"> 5088 </span> : /* Close any FIFOs created by this builtin or function. */</a>
|
|
<a name="5089"><span class="lineNum"> 5089 </span><span class="lineCov"> 44548799 : nfifo = num_fifos ();</span></a>
|
|
<a name="5090"><span class="lineNum"> 5090 </span><span class="lineCov"> 44548799 : if (nfifo > ofifo)</span></a>
|
|
<a name="5091"><span class="lineNum"> 5091 </span><span class="lineNoCov"> 0 : close_new_fifos (ofifo_list, osize);</span></a>
|
|
<a name="5092"><span class="lineNum"> 5092 </span><span class="lineCov"> 44548799 : if (ofifo_list)</span></a>
|
|
<a name="5093"><span class="lineNum"> 5093 </span><span class="lineNoCov"> 0 : free (ofifo_list);</span></a>
|
|
<a name="5094"><span class="lineNum"> 5094 </span><span class="lineCov"> 44548799 : discard_unwind_frame ("saved_fifos");</span></a>
|
|
<a name="5095"><span class="lineNum"> 5095 </span> : #endif</a>
|
|
<a name="5096"><span class="lineNum"> 5096 </span> : </a>
|
|
<a name="5097"><span class="lineNum"> 5097 </span><span class="lineCov"> 44548799 : return (result);</span></a>
|
|
<a name="5098"><span class="lineNum"> 5098 </span> : }</a>
|
|
<a name="5099"><span class="lineNum"> 5099 </span> : </a>
|
|
<a name="5100"><span class="lineNum"> 5100 </span> : void</a>
|
|
<a name="5101"><span class="lineNum"> 5101 </span><span class="lineCov"> 14841 : setup_async_signals ()</span></a>
|
|
<a name="5102"><span class="lineNum"> 5102 </span> : {</a>
|
|
<a name="5103"><span class="lineNum"> 5103 </span> : #if defined (__BEOS__)</a>
|
|
<a name="5104"><span class="lineNum"> 5104 </span> : set_signal_handler (SIGHUP, SIG_IGN); /* they want csh-like behavior */</a>
|
|
<a name="5105"><span class="lineNum"> 5105 </span> : #endif</a>
|
|
<a name="5106"><span class="lineNum"> 5106 </span> : </a>
|
|
<a name="5107"><span class="lineNum"> 5107 </span> : #if defined (JOB_CONTROL)</a>
|
|
<a name="5108"><span class="lineNum"> 5108 </span><span class="lineCov"> 14841 : if (job_control == 0)</span></a>
|
|
<a name="5109"><span class="lineNum"> 5109 </span> : #endif</a>
|
|
<a name="5110"><span class="lineNum"> 5110 </span> : {</a>
|
|
<a name="5111"><span class="lineNum"> 5111 </span> : /* Make sure we get the original signal dispositions now so we don't</a>
|
|
<a name="5112"><span class="lineNum"> 5112 </span> : confuse the trap builtin later if the subshell tries to use it to</a>
|
|
<a name="5113"><span class="lineNum"> 5113 </span> : reset SIGINT/SIGQUIT. Don't call set_signal_ignored; that sets</a>
|
|
<a name="5114"><span class="lineNum"> 5114 </span> : the value of original_signals to SIG_IGN. Posix interpretation 751. */</a>
|
|
<a name="5115"><span class="lineNum"> 5115 </span><span class="lineCov"> 14841 : get_original_signal (SIGINT);</span></a>
|
|
<a name="5116"><span class="lineNum"> 5116 </span><span class="lineCov"> 14841 : set_signal_handler (SIGINT, SIG_IGN);</span></a>
|
|
<a name="5117"><span class="lineNum"> 5117 </span> : </a>
|
|
<a name="5118"><span class="lineNum"> 5118 </span><span class="lineCov"> 14841 : get_original_signal (SIGQUIT);</span></a>
|
|
<a name="5119"><span class="lineNum"> 5119 </span><span class="lineCov"> 14841 : set_signal_handler (SIGQUIT, SIG_IGN);</span></a>
|
|
<a name="5120"><span class="lineNum"> 5120 </span> : }</a>
|
|
<a name="5121"><span class="lineNum"> 5121 </span><span class="lineCov"> 14841 : }</span></a>
|
|
<a name="5122"><span class="lineNum"> 5122 </span> : </a>
|
|
<a name="5123"><span class="lineNum"> 5123 </span> : /* Execute a simple command that is hopefully defined in a disk file</a>
|
|
<a name="5124"><span class="lineNum"> 5124 </span> : somewhere.</a>
|
|
<a name="5125"><span class="lineNum"> 5125 </span> : </a>
|
|
<a name="5126"><span class="lineNum"> 5126 </span> : 1) fork ()</a>
|
|
<a name="5127"><span class="lineNum"> 5127 </span> : 2) connect pipes</a>
|
|
<a name="5128"><span class="lineNum"> 5128 </span> : 3) look up the command</a>
|
|
<a name="5129"><span class="lineNum"> 5129 </span> : 4) do redirections</a>
|
|
<a name="5130"><span class="lineNum"> 5130 </span> : 5) execve ()</a>
|
|
<a name="5131"><span class="lineNum"> 5131 </span> : 6) If the execve failed, see if the file has executable mode set.</a>
|
|
<a name="5132"><span class="lineNum"> 5132 </span> : If so, and it isn't a directory, then execute its contents as</a>
|
|
<a name="5133"><span class="lineNum"> 5133 </span> : a shell script.</a>
|
|
<a name="5134"><span class="lineNum"> 5134 </span> : </a>
|
|
<a name="5135"><span class="lineNum"> 5135 </span> : Note that the filename hashing stuff has to take place up here,</a>
|
|
<a name="5136"><span class="lineNum"> 5136 </span> : in the parent. This is probably why the Bourne style shells</a>
|
|
<a name="5137"><span class="lineNum"> 5137 </span> : don't handle it, since that would require them to go through</a>
|
|
<a name="5138"><span class="lineNum"> 5138 </span> : this gnarly hair, for no good reason.</a>
|
|
<a name="5139"><span class="lineNum"> 5139 </span> : </a>
|
|
<a name="5140"><span class="lineNum"> 5140 </span> : NOTE: callers expect this to fork or exit(). */</a>
|
|
<a name="5141"><span class="lineNum"> 5141 </span> : </a>
|
|
<a name="5142"><span class="lineNum"> 5142 </span> : /* Name of a shell function to call when a command name is not found. */</a>
|
|
<a name="5143"><span class="lineNum"> 5143 </span> : #ifndef NOTFOUND_HOOK</a>
|
|
<a name="5144"><span class="lineNum"> 5144 </span> : # define NOTFOUND_HOOK "command_not_found_handle"</a>
|
|
<a name="5145"><span class="lineNum"> 5145 </span> : #endif</a>
|
|
<a name="5146"><span class="lineNum"> 5146 </span> : </a>
|
|
<a name="5147"><span class="lineNum"> 5147 </span> : static int</a>
|
|
<a name="5148"><span class="lineNum"> 5148 </span><span class="lineCov"> 9456970 : execute_disk_command (words, redirects, command_line, pipe_in, pipe_out,</span></a>
|
|
<a name="5149"><span class="lineNum"> 5149 </span> : async, fds_to_close, cmdflags)</a>
|
|
<a name="5150"><span class="lineNum"> 5150 </span> : WORD_LIST *words;</a>
|
|
<a name="5151"><span class="lineNum"> 5151 </span> : REDIRECT *redirects;</a>
|
|
<a name="5152"><span class="lineNum"> 5152 </span> : char *command_line;</a>
|
|
<a name="5153"><span class="lineNum"> 5153 </span> : int pipe_in, pipe_out, async;</a>
|
|
<a name="5154"><span class="lineNum"> 5154 </span> : struct fd_bitmap *fds_to_close;</a>
|
|
<a name="5155"><span class="lineNum"> 5155 </span> : int cmdflags;</a>
|
|
<a name="5156"><span class="lineNum"> 5156 </span> : {</a>
|
|
<a name="5157"><span class="lineNum"> 5157 </span><span class="lineCov"> 9456970 : char *pathname, *command, **args;</span></a>
|
|
<a name="5158"><span class="lineNum"> 5158 </span><span class="lineCov"> 9456970 : int nofork, stdpath, result;</span></a>
|
|
<a name="5159"><span class="lineNum"> 5159 </span><span class="lineCov"> 9456970 : pid_t pid;</span></a>
|
|
<a name="5160"><span class="lineNum"> 5160 </span><span class="lineCov"> 9456970 : SHELL_VAR *hookf;</span></a>
|
|
<a name="5161"><span class="lineNum"> 5161 </span><span class="lineCov"> 9456970 : WORD_LIST *wl;</span></a>
|
|
<a name="5162"><span class="lineNum"> 5162 </span> : </a>
|
|
<a name="5163"><span class="lineNum"> 5163 </span><span class="lineCov"> 9456970 : stdpath = (cmdflags & CMD_STDPATH); /* use command -p path */</span></a>
|
|
<a name="5164"><span class="lineNum"> 5164 </span><span class="lineCov"> 9456970 : nofork = (cmdflags & CMD_NO_FORK); /* Don't fork, just exec, if no pipes */</span></a>
|
|
<a name="5165"><span class="lineNum"> 5165 </span><span class="lineCov"> 9456970 : pathname = words->word->word;</span></a>
|
|
<a name="5166"><span class="lineNum"> 5166 </span> : </a>
|
|
<a name="5167"><span class="lineNum"> 5167 </span><span class="lineCov"> 9456970 : result = EXECUTION_SUCCESS;</span></a>
|
|
<a name="5168"><span class="lineNum"> 5168 </span> : #if defined (RESTRICTED_SHELL)</a>
|
|
<a name="5169"><span class="lineNum"> 5169 </span> : command = (char *)NULL;</a>
|
|
<a name="5170"><span class="lineNum"> 5170 </span> : if (restricted && mbschr (pathname, '/'))</a>
|
|
<a name="5171"><span class="lineNum"> 5171 </span> : {</a>
|
|
<a name="5172"><span class="lineNum"> 5172 </span> : internal_error (_("%s: restricted: cannot specify `/' in command names"),</a>
|
|
<a name="5173"><span class="lineNum"> 5173 </span> : pathname);</a>
|
|
<a name="5174"><span class="lineNum"> 5174 </span> : result = last_command_exit_value = EXECUTION_FAILURE;</a>
|
|
<a name="5175"><span class="lineNum"> 5175 </span> : </a>
|
|
<a name="5176"><span class="lineNum"> 5176 </span> : /* If we're not going to fork below, we must already be in a child</a>
|
|
<a name="5177"><span class="lineNum"> 5177 </span> : process or a context in which it's safe to call exit(2). */</a>
|
|
<a name="5178"><span class="lineNum"> 5178 </span> : if (nofork && pipe_in == NO_PIPE && pipe_out == NO_PIPE)</a>
|
|
<a name="5179"><span class="lineNum"> 5179 </span> : exit (last_command_exit_value);</a>
|
|
<a name="5180"><span class="lineNum"> 5180 </span> : else</a>
|
|
<a name="5181"><span class="lineNum"> 5181 </span> : goto parent_return;</a>
|
|
<a name="5182"><span class="lineNum"> 5182 </span> : }</a>
|
|
<a name="5183"><span class="lineNum"> 5183 </span> : #endif /* RESTRICTED_SHELL */</a>
|
|
<a name="5184"><span class="lineNum"> 5184 </span> : </a>
|
|
<a name="5185"><span class="lineNum"> 5185 </span><span class="lineCov"> 18913940 : command = search_for_command (pathname, CMDSRCH_HASH|(stdpath ? CMDSRCH_STDPATH : 0));</span></a>
|
|
<a name="5186"><span class="lineNum"> 5186 </span> : </a>
|
|
<a name="5187"><span class="lineNum"> 5187 </span><span class="lineCov"> 9456970 : if (command)</span></a>
|
|
<a name="5188"><span class="lineNum"> 5188 </span> : {</a>
|
|
<a name="5189"><span class="lineNum"> 5189 </span><span class="lineCov"> 1716315 : maybe_make_export_env ();</span></a>
|
|
<a name="5190"><span class="lineNum"> 5190 </span><span class="lineCov"> 1716315 : put_command_name_into_env (command);</span></a>
|
|
<a name="5191"><span class="lineNum"> 5191 </span> : }</a>
|
|
<a name="5192"><span class="lineNum"> 5192 </span> : </a>
|
|
<a name="5193"><span class="lineNum"> 5193 </span> : /* We have to make the child before we check for the non-existence</a>
|
|
<a name="5194"><span class="lineNum"> 5194 </span> : of COMMAND, since we want the error messages to be redirected. */</a>
|
|
<a name="5195"><span class="lineNum"> 5195 </span> : /* If we can get away without forking and there are no pipes to deal with,</a>
|
|
<a name="5196"><span class="lineNum"> 5196 </span> : don't bother to fork, just directly exec the command. */</a>
|
|
<a name="5197"><span class="lineNum"> 5197 </span><span class="lineCov"> 9456970 : if (nofork && pipe_in == NO_PIPE && pipe_out == NO_PIPE)</span></a>
|
|
<a name="5198"><span class="lineNum"> 5198 </span> : pid = 0;</a>
|
|
<a name="5199"><span class="lineNum"> 5199 </span> : else</a>
|
|
<a name="5200"><span class="lineNum"> 5200 </span><span class="lineCov"> 9404869 : pid = make_child (savestring (command_line), async);</span></a>
|
|
<a name="5201"><span class="lineNum"> 5201 </span> : </a>
|
|
<a name="5202"><span class="lineNum"> 5202 </span><span class="lineCov"> 18809681 : if (pid == 0)</span></a>
|
|
<a name="5203"><span class="lineNum"> 5203 </span> : {</a>
|
|
<a name="5204"><span class="lineNum"> 5204 </span><span class="lineCov"> 9456970 : int old_interactive;</span></a>
|
|
<a name="5205"><span class="lineNum"> 5205 </span> : </a>
|
|
<a name="5206"><span class="lineNum"> 5206 </span><span class="lineCov"> 9456970 : reset_terminating_signals (); /* XXX */</span></a>
|
|
<a name="5207"><span class="lineNum"> 5207 </span> : /* Cancel traps, in trap.c. */</a>
|
|
<a name="5208"><span class="lineNum"> 5208 </span><span class="lineCov"> 9456970 : restore_original_signals ();</span></a>
|
|
<a name="5209"><span class="lineNum"> 5209 </span> : </a>
|
|
<a name="5210"><span class="lineNum"> 5210 </span><span class="lineCov"> 9456970 : CHECK_SIGTERM;</span></a>
|
|
<a name="5211"><span class="lineNum"> 5211 </span> : </a>
|
|
<a name="5212"><span class="lineNum"> 5212 </span> : /* restore_original_signals may have undone the work done</a>
|
|
<a name="5213"><span class="lineNum"> 5213 </span> : by make_child to ensure that SIGINT and SIGQUIT are ignored</a>
|
|
<a name="5214"><span class="lineNum"> 5214 </span> : in asynchronous children. */</a>
|
|
<a name="5215"><span class="lineNum"> 5215 </span><span class="lineCov"> 9456970 : if (async)</span></a>
|
|
<a name="5216"><span class="lineNum"> 5216 </span> : {</a>
|
|
<a name="5217"><span class="lineNum"> 5217 </span><span class="lineCov"> 13809 : if ((cmdflags & CMD_STDIN_REDIR) &&</span></a>
|
|
<a name="5218"><span class="lineNum"> 5218 </span><span class="lineCov"> 8767 : pipe_in == NO_PIPE &&</span></a>
|
|
<a name="5219"><span class="lineNum"> 5219 </span><span class="lineCov"> 8767 : (stdin_redirects (redirects) == 0))</span></a>
|
|
<a name="5220"><span class="lineNum"> 5220 </span><span class="lineCov"> 7958 : async_redirect_stdin ();</span></a>
|
|
<a name="5221"><span class="lineNum"> 5221 </span><span class="lineCov"> 13809 : setup_async_signals ();</span></a>
|
|
<a name="5222"><span class="lineNum"> 5222 </span> : }</a>
|
|
<a name="5223"><span class="lineNum"> 5223 </span> : </a>
|
|
<a name="5224"><span class="lineNum"> 5224 </span> : /* This functionality is now provided by close-on-exec of the</a>
|
|
<a name="5225"><span class="lineNum"> 5225 </span> : file descriptors manipulated by redirection and piping.</a>
|
|
<a name="5226"><span class="lineNum"> 5226 </span> : Some file descriptors still need to be closed in all children</a>
|
|
<a name="5227"><span class="lineNum"> 5227 </span> : because of the way bash does pipes; fds_to_close is a</a>
|
|
<a name="5228"><span class="lineNum"> 5228 </span> : bitmap of all such file descriptors. */</a>
|
|
<a name="5229"><span class="lineNum"> 5229 </span><span class="lineCov"> 9456970 : if (fds_to_close)</span></a>
|
|
<a name="5230"><span class="lineNum"> 5230 </span><span class="lineCov"> 9456970 : close_fd_bitmap (fds_to_close);</span></a>
|
|
<a name="5231"><span class="lineNum"> 5231 </span> : </a>
|
|
<a name="5232"><span class="lineNum"> 5232 </span><span class="lineCov"> 9456970 : do_piping (pipe_in, pipe_out);</span></a>
|
|
<a name="5233"><span class="lineNum"> 5233 </span> : </a>
|
|
<a name="5234"><span class="lineNum"> 5234 </span><span class="lineCov"> 9456970 : old_interactive = interactive;</span></a>
|
|
<a name="5235"><span class="lineNum"> 5235 </span><span class="lineCov"> 9456970 : if (async)</span></a>
|
|
<a name="5236"><span class="lineNum"> 5236 </span><span class="lineCov"> 13809 : interactive = 0;</span></a>
|
|
<a name="5237"><span class="lineNum"> 5237 </span> : </a>
|
|
<a name="5238"><span class="lineNum"> 5238 </span><span class="lineCov"> 9456970 : subshell_environment |= SUBSHELL_FORK; /* XXX - was just = */</span></a>
|
|
<a name="5239"><span class="lineNum"> 5239 </span> : </a>
|
|
<a name="5240"><span class="lineNum"> 5240 </span><span class="lineCov"> 9456970 : if (redirects && (do_redirections (redirects, RX_ACTIVE) != 0))</span></a>
|
|
<a name="5241"><span class="lineNum"> 5241 </span> : {</a>
|
|
<a name="5242"><span class="lineNum"> 5242 </span> : #if defined (PROCESS_SUBSTITUTION)</a>
|
|
<a name="5243"><span class="lineNum"> 5243 </span> : /* Try to remove named pipes that may have been created as the</a>
|
|
<a name="5244"><span class="lineNum"> 5244 </span> : result of redirections. */</a>
|
|
<a name="5245"><span class="lineNum"> 5245 </span><span class="lineCov"> 66529 : unlink_fifo_list ();</span></a>
|
|
<a name="5246"><span class="lineNum"> 5246 </span> : #endif /* PROCESS_SUBSTITUTION */</a>
|
|
<a name="5247"><span class="lineNum"> 5247 </span><span class="lineCov"> 66529 : exit (EXECUTION_FAILURE);</span></a>
|
|
<a name="5248"><span class="lineNum"> 5248 </span> : }</a>
|
|
<a name="5249"><span class="lineNum"> 5249 </span> : </a>
|
|
<a name="5250"><span class="lineNum"> 5250 </span><span class="lineCov"> 9390413 : if (async)</span></a>
|
|
<a name="5251"><span class="lineNum"> 5251 </span><span class="lineCov"> 12380 : interactive = old_interactive;</span></a>
|
|
<a name="5252"><span class="lineNum"> 5252 </span> : </a>
|
|
<a name="5253"><span class="lineNum"> 5253 </span><span class="lineCov"> 9390413 : if (command == 0)</span></a>
|
|
<a name="5254"><span class="lineNum"> 5254 </span> : {</a>
|
|
<a name="5255"><span class="lineNum"> 5255 </span><span class="lineCov"> 7714729 : hookf = find_function (NOTFOUND_HOOK);</span></a>
|
|
<a name="5256"><span class="lineNum"> 5256 </span><span class="lineCov"> 7714729 : if (hookf == 0)</span></a>
|
|
<a name="5257"><span class="lineNum"> 5257 </span> : {</a>
|
|
<a name="5258"><span class="lineNum"> 5258 </span> : /* Make sure filenames are displayed using printable characters */</a>
|
|
<a name="5259"><span class="lineNum"> 5259 </span><span class="lineCov"> 7714729 : pathname = printable_filename (pathname, 0);</span></a>
|
|
<a name="5260"><span class="lineNum"> 5260 </span><span class="lineCov"> 7714729 : internal_error (_("%s: command not found"), pathname);</span></a>
|
|
<a name="5261"><span class="lineNum"> 5261 </span><span class="lineCov"> 7714729 : exit (EX_NOTFOUND); /* Posix.2 says the exit status is 127 */</span></a>
|
|
<a name="5262"><span class="lineNum"> 5262 </span> : }</a>
|
|
<a name="5263"><span class="lineNum"> 5263 </span> : </a>
|
|
<a name="5264"><span class="lineNum"> 5264 </span> : #if defined (JOB_CONTROL)</a>
|
|
<a name="5265"><span class="lineNum"> 5265 </span> : /* May need to reinitialize more of the job control state here. */</a>
|
|
<a name="5266"><span class="lineNum"> 5266 </span><span class="lineNoCov"> 0 : kill_current_pipeline ();</span></a>
|
|
<a name="5267"><span class="lineNum"> 5267 </span> : #endif</a>
|
|
<a name="5268"><span class="lineNum"> 5268 </span> : </a>
|
|
<a name="5269"><span class="lineNum"> 5269 </span><span class="lineNoCov"> 0 : wl = make_word_list (make_word (NOTFOUND_HOOK), words);</span></a>
|
|
<a name="5270"><span class="lineNum"> 5270 </span><span class="lineNoCov"> 0 : exit (execute_shell_function (hookf, wl));</span></a>
|
|
<a name="5271"><span class="lineNum"> 5271 </span> : }</a>
|
|
<a name="5272"><span class="lineNum"> 5272 </span> : </a>
|
|
<a name="5273"><span class="lineNum"> 5273 </span><span class="lineCov"> 1675684 : CHECK_SIGTERM;</span></a>
|
|
<a name="5274"><span class="lineNum"> 5274 </span> : </a>
|
|
<a name="5275"><span class="lineNum"> 5275 </span> : /* Execve expects the command name to be in args[0]. So we</a>
|
|
<a name="5276"><span class="lineNum"> 5276 </span> : leave it there, in the same format that the user used to</a>
|
|
<a name="5277"><span class="lineNum"> 5277 </span> : type it in. */</a>
|
|
<a name="5278"><span class="lineNum"> 5278 </span><span class="lineCov"> 1675684 : args = strvec_from_word_list (words, 0, 0, (int *)NULL);</span></a>
|
|
<a name="5279"><span class="lineNum"> 5279 </span><span class="lineCov"> 1675684 : exit (shell_execve (command, args, export_env));</span></a>
|
|
<a name="5280"><span class="lineNum"> 5280 </span> : }</a>
|
|
<a name="5281"><span class="lineNum"> 5281 </span> : else</a>
|
|
<a name="5282"><span class="lineNum"> 5282 </span> : {</a>
|
|
<a name="5283"><span class="lineNum"> 5283 </span> : #if defined (RESTRICTED_SHELL)</a>
|
|
<a name="5284"><span class="lineNum"> 5284 </span> : parent_return:</a>
|
|
<a name="5285"><span class="lineNum"> 5285 </span> : #endif</a>
|
|
<a name="5286"><span class="lineNum"> 5286 </span><span class="lineCov"> 9404812 : QUIT;</span></a>
|
|
<a name="5287"><span class="lineNum"> 5287 </span> : </a>
|
|
<a name="5288"><span class="lineNum"> 5288 </span> : /* Make sure that the pipes are closed in the parent. */</a>
|
|
<a name="5289"><span class="lineNum"> 5289 </span><span class="lineCov"> 9404812 : close_pipes (pipe_in, pipe_out);</span></a>
|
|
<a name="5290"><span class="lineNum"> 5290 </span> : #if defined (PROCESS_SUBSTITUTION) && defined (HAVE_DEV_FD)</a>
|
|
<a name="5291"><span class="lineNum"> 5291 </span><span class="lineCov"> 9404812 : if (variable_context == 0)</span></a>
|
|
<a name="5292"><span class="lineNum"> 5292 </span><span class="lineCov"> 9385263 : unlink_fifo_list ();</span></a>
|
|
<a name="5293"><span class="lineNum"> 5293 </span> : #endif</a>
|
|
<a name="5294"><span class="lineNum"> 5294 </span><span class="lineCov"> 9404812 : FREE (command);</span></a>
|
|
<a name="5295"><span class="lineNum"> 5295 </span><span class="lineCov"> 9404812 : return (result);</span></a>
|
|
<a name="5296"><span class="lineNum"> 5296 </span> : }</a>
|
|
<a name="5297"><span class="lineNum"> 5297 </span> : }</a>
|
|
<a name="5298"><span class="lineNum"> 5298 </span> : </a>
|
|
<a name="5299"><span class="lineNum"> 5299 </span> : /* CPP defines to decide whether a particular index into the #! line</a>
|
|
<a name="5300"><span class="lineNum"> 5300 </span> : corresponds to a valid interpreter name or argument character, or</a>
|
|
<a name="5301"><span class="lineNum"> 5301 </span> : whitespace. The MSDOS define is to allow \r to be treated the same</a>
|
|
<a name="5302"><span class="lineNum"> 5302 </span> : as \n. */</a>
|
|
<a name="5303"><span class="lineNum"> 5303 </span> : </a>
|
|
<a name="5304"><span class="lineNum"> 5304 </span> : #if !defined (MSDOS)</a>
|
|
<a name="5305"><span class="lineNum"> 5305 </span> : # define STRINGCHAR(ind) \</a>
|
|
<a name="5306"><span class="lineNum"> 5306 </span> : (ind < sample_len && !whitespace (sample[ind]) && sample[ind] != '\n')</a>
|
|
<a name="5307"><span class="lineNum"> 5307 </span> : # define WHITECHAR(ind) \</a>
|
|
<a name="5308"><span class="lineNum"> 5308 </span> : (ind < sample_len && whitespace (sample[ind]))</a>
|
|
<a name="5309"><span class="lineNum"> 5309 </span> : #else /* MSDOS */</a>
|
|
<a name="5310"><span class="lineNum"> 5310 </span> : # define STRINGCHAR(ind) \</a>
|
|
<a name="5311"><span class="lineNum"> 5311 </span> : (ind < sample_len && !whitespace (sample[ind]) && sample[ind] != '\n' && sample[ind] != '\r')</a>
|
|
<a name="5312"><span class="lineNum"> 5312 </span> : # define WHITECHAR(ind) \</a>
|
|
<a name="5313"><span class="lineNum"> 5313 </span> : (ind < sample_len && whitespace (sample[ind]))</a>
|
|
<a name="5314"><span class="lineNum"> 5314 </span> : #endif /* MSDOS */</a>
|
|
<a name="5315"><span class="lineNum"> 5315 </span> : </a>
|
|
<a name="5316"><span class="lineNum"> 5316 </span> : static char *</a>
|
|
<a name="5317"><span class="lineNum"> 5317 </span><span class="lineNoCov"> 0 : getinterp (sample, sample_len, endp)</span></a>
|
|
<a name="5318"><span class="lineNum"> 5318 </span> : char *sample;</a>
|
|
<a name="5319"><span class="lineNum"> 5319 </span> : int sample_len, *endp;</a>
|
|
<a name="5320"><span class="lineNum"> 5320 </span> : {</a>
|
|
<a name="5321"><span class="lineNum"> 5321 </span><span class="lineNoCov"> 0 : register int i;</span></a>
|
|
<a name="5322"><span class="lineNum"> 5322 </span><span class="lineNoCov"> 0 : char *execname;</span></a>
|
|
<a name="5323"><span class="lineNum"> 5323 </span><span class="lineNoCov"> 0 : int start;</span></a>
|
|
<a name="5324"><span class="lineNum"> 5324 </span> : </a>
|
|
<a name="5325"><span class="lineNum"> 5325 </span> : /* Find the name of the interpreter to exec. */</a>
|
|
<a name="5326"><span class="lineNum"> 5326 </span><span class="lineNoCov"> 0 : for (i = 2; i < sample_len && whitespace (sample[i]); i++)</span></a>
|
|
<a name="5327"><span class="lineNum"> 5327 </span><span class="lineNoCov"> 0 : ;</span></a>
|
|
<a name="5328"><span class="lineNum"> 5328 </span> : </a>
|
|
<a name="5329"><span class="lineNum"> 5329 </span><span class="lineNoCov"> 0 : for (start = i; STRINGCHAR(i); i++)</span></a>
|
|
<a name="5330"><span class="lineNum"> 5330 </span><span class="lineNoCov"> 0 : ;</span></a>
|
|
<a name="5331"><span class="lineNum"> 5331 </span> : </a>
|
|
<a name="5332"><span class="lineNum"> 5332 </span><span class="lineNoCov"> 0 : execname = substring (sample, start, i);</span></a>
|
|
<a name="5333"><span class="lineNum"> 5333 </span> : </a>
|
|
<a name="5334"><span class="lineNum"> 5334 </span><span class="lineNoCov"> 0 : if (endp)</span></a>
|
|
<a name="5335"><span class="lineNum"> 5335 </span><span class="lineNoCov"> 0 : *endp = i;</span></a>
|
|
<a name="5336"><span class="lineNum"> 5336 </span><span class="lineNoCov"> 0 : return execname;</span></a>
|
|
<a name="5337"><span class="lineNum"> 5337 </span> : }</a>
|
|
<a name="5338"><span class="lineNum"> 5338 </span> : </a>
|
|
<a name="5339"><span class="lineNum"> 5339 </span> : #if !defined (HAVE_HASH_BANG_EXEC)</a>
|
|
<a name="5340"><span class="lineNum"> 5340 </span> : /* If the operating system on which we're running does not handle</a>
|
|
<a name="5341"><span class="lineNum"> 5341 </span> : the #! executable format, then help out. SAMPLE is the text read</a>
|
|
<a name="5342"><span class="lineNum"> 5342 </span> : from the file, SAMPLE_LEN characters. COMMAND is the name of</a>
|
|
<a name="5343"><span class="lineNum"> 5343 </span> : the script; it and ARGS, the arguments given by the user, will</a>
|
|
<a name="5344"><span class="lineNum"> 5344 </span> : become arguments to the specified interpreter. ENV is the environment</a>
|
|
<a name="5345"><span class="lineNum"> 5345 </span> : to pass to the interpreter.</a>
|
|
<a name="5346"><span class="lineNum"> 5346 </span> : </a>
|
|
<a name="5347"><span class="lineNum"> 5347 </span> : The word immediately following the #! is the interpreter to execute.</a>
|
|
<a name="5348"><span class="lineNum"> 5348 </span> : A single argument to the interpreter is allowed. */</a>
|
|
<a name="5349"><span class="lineNum"> 5349 </span> : </a>
|
|
<a name="5350"><span class="lineNum"> 5350 </span> : static int</a>
|
|
<a name="5351"><span class="lineNum"> 5351 </span> : execute_shell_script (sample, sample_len, command, args, env)</a>
|
|
<a name="5352"><span class="lineNum"> 5352 </span> : char *sample;</a>
|
|
<a name="5353"><span class="lineNum"> 5353 </span> : int sample_len;</a>
|
|
<a name="5354"><span class="lineNum"> 5354 </span> : char *command;</a>
|
|
<a name="5355"><span class="lineNum"> 5355 </span> : char **args, **env;</a>
|
|
<a name="5356"><span class="lineNum"> 5356 </span> : {</a>
|
|
<a name="5357"><span class="lineNum"> 5357 </span> : char *execname, *firstarg;</a>
|
|
<a name="5358"><span class="lineNum"> 5358 </span> : int i, start, size_increment, larry;</a>
|
|
<a name="5359"><span class="lineNum"> 5359 </span> : </a>
|
|
<a name="5360"><span class="lineNum"> 5360 </span> : /* Find the name of the interpreter to exec. */</a>
|
|
<a name="5361"><span class="lineNum"> 5361 </span> : execname = getinterp (sample, sample_len, &i);</a>
|
|
<a name="5362"><span class="lineNum"> 5362 </span> : size_increment = 1;</a>
|
|
<a name="5363"><span class="lineNum"> 5363 </span> : </a>
|
|
<a name="5364"><span class="lineNum"> 5364 </span> : /* Now the argument, if any. */</a>
|
|
<a name="5365"><span class="lineNum"> 5365 </span> : for (firstarg = (char *)NULL, start = i; WHITECHAR(i); i++)</a>
|
|
<a name="5366"><span class="lineNum"> 5366 </span> : ;</a>
|
|
<a name="5367"><span class="lineNum"> 5367 </span> : </a>
|
|
<a name="5368"><span class="lineNum"> 5368 </span> : /* If there is more text on the line, then it is an argument for the</a>
|
|
<a name="5369"><span class="lineNum"> 5369 </span> : interpreter. */</a>
|
|
<a name="5370"><span class="lineNum"> 5370 </span> : </a>
|
|
<a name="5371"><span class="lineNum"> 5371 </span> : if (STRINGCHAR(i)) </a>
|
|
<a name="5372"><span class="lineNum"> 5372 </span> : {</a>
|
|
<a name="5373"><span class="lineNum"> 5373 </span> : for (start = i; STRINGCHAR(i); i++)</a>
|
|
<a name="5374"><span class="lineNum"> 5374 </span> : ;</a>
|
|
<a name="5375"><span class="lineNum"> 5375 </span> : firstarg = substring ((char *)sample, start, i);</a>
|
|
<a name="5376"><span class="lineNum"> 5376 </span> : size_increment = 2;</a>
|
|
<a name="5377"><span class="lineNum"> 5377 </span> : }</a>
|
|
<a name="5378"><span class="lineNum"> 5378 </span> : </a>
|
|
<a name="5379"><span class="lineNum"> 5379 </span> : larry = strvec_len (args) + size_increment;</a>
|
|
<a name="5380"><span class="lineNum"> 5380 </span> : args = strvec_resize (args, larry + 1);</a>
|
|
<a name="5381"><span class="lineNum"> 5381 </span> : </a>
|
|
<a name="5382"><span class="lineNum"> 5382 </span> : for (i = larry - 1; i; i--)</a>
|
|
<a name="5383"><span class="lineNum"> 5383 </span> : args[i] = args[i - size_increment];</a>
|
|
<a name="5384"><span class="lineNum"> 5384 </span> : </a>
|
|
<a name="5385"><span class="lineNum"> 5385 </span> : args[0] = execname;</a>
|
|
<a name="5386"><span class="lineNum"> 5386 </span> : if (firstarg)</a>
|
|
<a name="5387"><span class="lineNum"> 5387 </span> : {</a>
|
|
<a name="5388"><span class="lineNum"> 5388 </span> : args[1] = firstarg;</a>
|
|
<a name="5389"><span class="lineNum"> 5389 </span> : args[2] = command;</a>
|
|
<a name="5390"><span class="lineNum"> 5390 </span> : }</a>
|
|
<a name="5391"><span class="lineNum"> 5391 </span> : else</a>
|
|
<a name="5392"><span class="lineNum"> 5392 </span> : args[1] = command;</a>
|
|
<a name="5393"><span class="lineNum"> 5393 </span> : </a>
|
|
<a name="5394"><span class="lineNum"> 5394 </span> : args[larry] = (char *)NULL;</a>
|
|
<a name="5395"><span class="lineNum"> 5395 </span> : </a>
|
|
<a name="5396"><span class="lineNum"> 5396 </span> : return (shell_execve (execname, args, env));</a>
|
|
<a name="5397"><span class="lineNum"> 5397 </span> : }</a>
|
|
<a name="5398"><span class="lineNum"> 5398 </span> : #undef STRINGCHAR</a>
|
|
<a name="5399"><span class="lineNum"> 5399 </span> : #undef WHITECHAR</a>
|
|
<a name="5400"><span class="lineNum"> 5400 </span> : </a>
|
|
<a name="5401"><span class="lineNum"> 5401 </span> : #endif /* !HAVE_HASH_BANG_EXEC */</a>
|
|
<a name="5402"><span class="lineNum"> 5402 </span> : </a>
|
|
<a name="5403"><span class="lineNum"> 5403 </span> : static void</a>
|
|
<a name="5404"><span class="lineNum"> 5404 </span><span class="lineNoCov"> 0 : initialize_subshell ()</span></a>
|
|
<a name="5405"><span class="lineNum"> 5405 </span> : {</a>
|
|
<a name="5406"><span class="lineNum"> 5406 </span> : #if defined (ALIAS)</a>
|
|
<a name="5407"><span class="lineNum"> 5407 </span> : /* Forget about any aliases that we knew of. We are in a subshell. */</a>
|
|
<a name="5408"><span class="lineNum"> 5408 </span><span class="lineNoCov"> 0 : delete_all_aliases ();</span></a>
|
|
<a name="5409"><span class="lineNum"> 5409 </span> : #endif /* ALIAS */</a>
|
|
<a name="5410"><span class="lineNum"> 5410 </span> : </a>
|
|
<a name="5411"><span class="lineNum"> 5411 </span> : #if defined (HISTORY)</a>
|
|
<a name="5412"><span class="lineNum"> 5412 </span> : /* Forget about the history lines we have read. This is a non-interactive</a>
|
|
<a name="5413"><span class="lineNum"> 5413 </span> : subshell. */</a>
|
|
<a name="5414"><span class="lineNum"> 5414 </span> : history_lines_this_session = 0;</a>
|
|
<a name="5415"><span class="lineNum"> 5415 </span> : #endif</a>
|
|
<a name="5416"><span class="lineNum"> 5416 </span> : </a>
|
|
<a name="5417"><span class="lineNum"> 5417 </span> : /* Forget about the way job control was working. We are in a subshell. */</a>
|
|
<a name="5418"><span class="lineNum"> 5418 </span><span class="lineNoCov"> 0 : without_job_control ();</span></a>
|
|
<a name="5419"><span class="lineNum"> 5419 </span> : </a>
|
|
<a name="5420"><span class="lineNum"> 5420 </span> : #if defined (JOB_CONTROL)</a>
|
|
<a name="5421"><span class="lineNum"> 5421 </span><span class="lineNoCov"> 0 : set_sigchld_handler ();</span></a>
|
|
<a name="5422"><span class="lineNum"> 5422 </span><span class="lineNoCov"> 0 : init_job_stats ();</span></a>
|
|
<a name="5423"><span class="lineNum"> 5423 </span> : #endif /* JOB_CONTROL */</a>
|
|
<a name="5424"><span class="lineNum"> 5424 </span> : </a>
|
|
<a name="5425"><span class="lineNum"> 5425 </span> : /* Reset the values of the shell flags and options. */</a>
|
|
<a name="5426"><span class="lineNum"> 5426 </span><span class="lineNoCov"> 0 : reset_shell_flags ();</span></a>
|
|
<a name="5427"><span class="lineNum"> 5427 </span><span class="lineNoCov"> 0 : reset_shell_options ();</span></a>
|
|
<a name="5428"><span class="lineNum"> 5428 </span><span class="lineNoCov"> 0 : reset_shopt_options ();</span></a>
|
|
<a name="5429"><span class="lineNum"> 5429 </span> : </a>
|
|
<a name="5430"><span class="lineNum"> 5430 </span> : /* Zero out builtin_env, since this could be a shell script run from a</a>
|
|
<a name="5431"><span class="lineNum"> 5431 </span> : sourced file with a temporary environment supplied to the `source/.'</a>
|
|
<a name="5432"><span class="lineNum"> 5432 </span> : builtin. Such variables are not supposed to be exported (empirical</a>
|
|
<a name="5433"><span class="lineNum"> 5433 </span> : testing with sh and ksh). Just throw it away; don't worry about a</a>
|
|
<a name="5434"><span class="lineNum"> 5434 </span> : memory leak. */</a>
|
|
<a name="5435"><span class="lineNum"> 5435 </span><span class="lineNoCov"> 0 : if (vc_isbltnenv (shell_variables))</span></a>
|
|
<a name="5436"><span class="lineNum"> 5436 </span><span class="lineNoCov"> 0 : shell_variables = shell_variables->down;</span></a>
|
|
<a name="5437"><span class="lineNum"> 5437 </span> : </a>
|
|
<a name="5438"><span class="lineNum"> 5438 </span><span class="lineNoCov"> 0 : clear_unwind_protect_list (0);</span></a>
|
|
<a name="5439"><span class="lineNum"> 5439 </span> : /* XXX -- are there other things we should be resetting here? */</a>
|
|
<a name="5440"><span class="lineNum"> 5440 </span><span class="lineNoCov"> 0 : parse_and_execute_level = 0; /* nothing left to restore it */</span></a>
|
|
<a name="5441"><span class="lineNum"> 5441 </span> : </a>
|
|
<a name="5442"><span class="lineNum"> 5442 </span> : /* We're no longer inside a shell function. */</a>
|
|
<a name="5443"><span class="lineNum"> 5443 </span><span class="lineNoCov"> 0 : variable_context = return_catch_flag = funcnest = evalnest = sourcenest = 0;</span></a>
|
|
<a name="5444"><span class="lineNum"> 5444 </span> : </a>
|
|
<a name="5445"><span class="lineNum"> 5445 </span><span class="lineNoCov"> 0 : executing_list = 0; /* XXX */</span></a>
|
|
<a name="5446"><span class="lineNum"> 5446 </span> : </a>
|
|
<a name="5447"><span class="lineNum"> 5447 </span> : /* If we're not interactive, close the file descriptor from which we're</a>
|
|
<a name="5448"><span class="lineNum"> 5448 </span> : reading the current shell script. */</a>
|
|
<a name="5449"><span class="lineNum"> 5449 </span><span class="lineNoCov"> 0 : if (interactive_shell == 0)</span></a>
|
|
<a name="5450"><span class="lineNum"> 5450 </span><span class="lineNoCov"> 0 : unset_bash_input (0);</span></a>
|
|
<a name="5451"><span class="lineNum"> 5451 </span><span class="lineNoCov"> 0 : }</span></a>
|
|
<a name="5452"><span class="lineNum"> 5452 </span> : </a>
|
|
<a name="5453"><span class="lineNum"> 5453 </span> : #if defined (HAVE_SETOSTYPE) && defined (_POSIX_SOURCE)</a>
|
|
<a name="5454"><span class="lineNum"> 5454 </span> : # define SETOSTYPE(x) __setostype(x)</a>
|
|
<a name="5455"><span class="lineNum"> 5455 </span> : #else</a>
|
|
<a name="5456"><span class="lineNum"> 5456 </span> : # define SETOSTYPE(x)</a>
|
|
<a name="5457"><span class="lineNum"> 5457 </span> : #endif</a>
|
|
<a name="5458"><span class="lineNum"> 5458 </span> : </a>
|
|
<a name="5459"><span class="lineNum"> 5459 </span> : #define HASH_BANG_BUFSIZ 128</a>
|
|
<a name="5460"><span class="lineNum"> 5460 </span> : </a>
|
|
<a name="5461"><span class="lineNum"> 5461 </span> : #define READ_SAMPLE_BUF(file, buf, len) \</a>
|
|
<a name="5462"><span class="lineNum"> 5462 </span> : do \</a>
|
|
<a name="5463"><span class="lineNum"> 5463 </span> : { \</a>
|
|
<a name="5464"><span class="lineNum"> 5464 </span> : fd = open(file, O_RDONLY); \</a>
|
|
<a name="5465"><span class="lineNum"> 5465 </span> : if (fd >= 0) \</a>
|
|
<a name="5466"><span class="lineNum"> 5466 </span> : { \</a>
|
|
<a name="5467"><span class="lineNum"> 5467 </span> : len = read (fd, buf, HASH_BANG_BUFSIZ); \</a>
|
|
<a name="5468"><span class="lineNum"> 5468 </span> : close (fd); \</a>
|
|
<a name="5469"><span class="lineNum"> 5469 </span> : } \</a>
|
|
<a name="5470"><span class="lineNum"> 5470 </span> : else \</a>
|
|
<a name="5471"><span class="lineNum"> 5471 </span> : len = -1; \</a>
|
|
<a name="5472"><span class="lineNum"> 5472 </span> : } \</a>
|
|
<a name="5473"><span class="lineNum"> 5473 </span> : while (0)</a>
|
|
<a name="5474"><span class="lineNum"> 5474 </span> : </a>
|
|
<a name="5475"><span class="lineNum"> 5475 </span> : /* Call execve (), handling interpreting shell scripts, and handling</a>
|
|
<a name="5476"><span class="lineNum"> 5476 </span> : exec failures. */</a>
|
|
<a name="5477"><span class="lineNum"> 5477 </span> : int</a>
|
|
<a name="5478"><span class="lineNum"> 5478 </span><span class="lineCov"> 154030 : shell_execve (command, args, env)</span></a>
|
|
<a name="5479"><span class="lineNum"> 5479 </span> : char *command;</a>
|
|
<a name="5480"><span class="lineNum"> 5480 </span> : char **args, **env;</a>
|
|
<a name="5481"><span class="lineNum"> 5481 </span> : {</a>
|
|
<a name="5482"><span class="lineNum"> 5482 </span><span class="lineCov"> 154030 : int larray, i, fd;</span></a>
|
|
<a name="5483"><span class="lineNum"> 5483 </span><span class="lineCov"> 154030 : char sample[HASH_BANG_BUFSIZ];</span></a>
|
|
<a name="5484"><span class="lineNum"> 5484 </span><span class="lineCov"> 154030 : int sample_len;</span></a>
|
|
<a name="5485"><span class="lineNum"> 5485 </span> : </a>
|
|
<a name="5486"><span class="lineNum"> 5486 </span><span class="lineCov"> 154030 : SETOSTYPE (0); /* Some systems use for USG/POSIX semantics */</span></a>
|
|
<a name="5487"><span class="lineNum"> 5487 </span><span class="lineCov"> 154030 : execve (command, args, env);</span></a>
|
|
<a name="5488"><span class="lineNum"> 5488 </span><span class="lineCov"> 154030 : i = errno; /* error from execve() */</span></a>
|
|
<a name="5489"><span class="lineNum"> 5489 </span><span class="lineCov"> 154030 : CHECK_TERMSIG;</span></a>
|
|
<a name="5490"><span class="lineNum"> 5490 </span><span class="lineCov"> 154030 : SETOSTYPE (1);</span></a>
|
|
<a name="5491"><span class="lineNum"> 5491 </span> : </a>
|
|
<a name="5492"><span class="lineNum"> 5492 </span> : /* If we get to this point, then start checking out the file.</a>
|
|
<a name="5493"><span class="lineNum"> 5493 </span> : Maybe it is something we can hack ourselves. */</a>
|
|
<a name="5494"><span class="lineNum"> 5494 </span><span class="lineCov"> 154030 : if (i != ENOEXEC)</span></a>
|
|
<a name="5495"><span class="lineNum"> 5495 </span> : {</a>
|
|
<a name="5496"><span class="lineNum"> 5496 </span> : /* make sure this is set correctly for file_error/report_error */</a>
|
|
<a name="5497"><span class="lineNum"> 5497 </span><span class="lineCov"> 154030 : last_command_exit_value = (i == ENOENT) ? EX_NOTFOUND : EX_NOEXEC; /* XXX Posix.2 says that exit status is 126 */</span></a>
|
|
<a name="5498"><span class="lineNum"> 5498 </span><span class="lineCov"> 154030 : if (file_isdir (command))</span></a>
|
|
<a name="5499"><span class="lineNum"> 5499 </span> : #if defined (EISDIR)</a>
|
|
<a name="5500"><span class="lineNum"> 5500 </span><span class="lineCov"> 486 : internal_error (_("%s: %s"), command, strerror (EISDIR));</span></a>
|
|
<a name="5501"><span class="lineNum"> 5501 </span> : #else</a>
|
|
<a name="5502"><span class="lineNum"> 5502 </span> : internal_error (_("%s: is a directory"), command);</a>
|
|
<a name="5503"><span class="lineNum"> 5503 </span> : #endif</a>
|
|
<a name="5504"><span class="lineNum"> 5504 </span><span class="lineCov"> 153544 : else if (executable_file (command) == 0)</span></a>
|
|
<a name="5505"><span class="lineNum"> 5505 </span> : {</a>
|
|
<a name="5506"><span class="lineNum"> 5506 </span><span class="lineCov"> 153544 : errno = i;</span></a>
|
|
<a name="5507"><span class="lineNum"> 5507 </span><span class="lineCov"> 153544 : file_error (command);</span></a>
|
|
<a name="5508"><span class="lineNum"> 5508 </span> : }</a>
|
|
<a name="5509"><span class="lineNum"> 5509 </span> : /* errors not involving the path argument to execve. */</a>
|
|
<a name="5510"><span class="lineNum"> 5510 </span><span class="lineNoCov"> 0 : else if (i == E2BIG || i == ENOMEM)</span></a>
|
|
<a name="5511"><span class="lineNum"> 5511 </span> : {</a>
|
|
<a name="5512"><span class="lineNum"> 5512 </span><span class="lineNoCov"> 0 : errno = i;</span></a>
|
|
<a name="5513"><span class="lineNum"> 5513 </span><span class="lineNoCov"> 0 : file_error (command);</span></a>
|
|
<a name="5514"><span class="lineNum"> 5514 </span> : }</a>
|
|
<a name="5515"><span class="lineNum"> 5515 </span> : else</a>
|
|
<a name="5516"><span class="lineNum"> 5516 </span> : {</a>
|
|
<a name="5517"><span class="lineNum"> 5517 </span> : /* The file has the execute bits set, but the kernel refuses to</a>
|
|
<a name="5518"><span class="lineNum"> 5518 </span> : run it for some reason. See why. */</a>
|
|
<a name="5519"><span class="lineNum"> 5519 </span> : #if defined (HAVE_HASH_BANG_EXEC)</a>
|
|
<a name="5520"><span class="lineNum"> 5520 </span><span class="lineNoCov"> 0 : READ_SAMPLE_BUF (command, sample, sample_len);</span></a>
|
|
<a name="5521"><span class="lineNum"> 5521 </span><span class="lineNoCov"> 0 : if (sample_len > 0)</span></a>
|
|
<a name="5522"><span class="lineNum"> 5522 </span><span class="lineNoCov"> 0 : sample[sample_len - 1] = '\0';</span></a>
|
|
<a name="5523"><span class="lineNum"> 5523 </span><span class="lineNoCov"> 0 : if (sample_len > 2 && sample[0] == '#' && sample[1] == '!')</span></a>
|
|
<a name="5524"><span class="lineNum"> 5524 </span> : {</a>
|
|
<a name="5525"><span class="lineNum"> 5525 </span><span class="lineNoCov"> 0 : char *interp;</span></a>
|
|
<a name="5526"><span class="lineNum"> 5526 </span><span class="lineNoCov"> 0 : int ilen;</span></a>
|
|
<a name="5527"><span class="lineNum"> 5527 </span> : </a>
|
|
<a name="5528"><span class="lineNum"> 5528 </span><span class="lineNoCov"> 0 : interp = getinterp (sample, sample_len, (int *)NULL);</span></a>
|
|
<a name="5529"><span class="lineNum"> 5529 </span><span class="lineNoCov"> 0 : ilen = strlen (interp);</span></a>
|
|
<a name="5530"><span class="lineNum"> 5530 </span><span class="lineNoCov"> 0 : errno = i;</span></a>
|
|
<a name="5531"><span class="lineNum"> 5531 </span><span class="lineNoCov"> 0 : if (interp[ilen - 1] == '\r')</span></a>
|
|
<a name="5532"><span class="lineNum"> 5532 </span> : {</a>
|
|
<a name="5533"><span class="lineNum"> 5533 </span><span class="lineNoCov"> 0 : interp = xrealloc (interp, ilen + 2);</span></a>
|
|
<a name="5534"><span class="lineNum"> 5534 </span><span class="lineNoCov"> 0 : interp[ilen - 1] = '^';</span></a>
|
|
<a name="5535"><span class="lineNum"> 5535 </span><span class="lineNoCov"> 0 : interp[ilen] = 'M';</span></a>
|
|
<a name="5536"><span class="lineNum"> 5536 </span><span class="lineNoCov"> 0 : interp[ilen + 1] = '\0';</span></a>
|
|
<a name="5537"><span class="lineNum"> 5537 </span> : }</a>
|
|
<a name="5538"><span class="lineNum"> 5538 </span><span class="lineNoCov"> 0 : sys_error (_("%s: %s: bad interpreter"), command, interp ? interp : "");</span></a>
|
|
<a name="5539"><span class="lineNum"> 5539 </span><span class="lineNoCov"> 0 : FREE (interp);</span></a>
|
|
<a name="5540"><span class="lineNum"> 5540 </span><span class="lineNoCov"> 0 : return (EX_NOEXEC);</span></a>
|
|
<a name="5541"><span class="lineNum"> 5541 </span> : }</a>
|
|
<a name="5542"><span class="lineNum"> 5542 </span> : #endif</a>
|
|
<a name="5543"><span class="lineNum"> 5543 </span><span class="lineNoCov"> 0 : errno = i;</span></a>
|
|
<a name="5544"><span class="lineNum"> 5544 </span><span class="lineNoCov"> 0 : file_error (command);</span></a>
|
|
<a name="5545"><span class="lineNum"> 5545 </span> : }</a>
|
|
<a name="5546"><span class="lineNum"> 5546 </span><span class="lineCov"> 154030 : return (last_command_exit_value);</span></a>
|
|
<a name="5547"><span class="lineNum"> 5547 </span> : }</a>
|
|
<a name="5548"><span class="lineNum"> 5548 </span> : </a>
|
|
<a name="5549"><span class="lineNum"> 5549 </span> : /* This file is executable.</a>
|
|
<a name="5550"><span class="lineNum"> 5550 </span> : If it begins with #!, then help out people with losing operating</a>
|
|
<a name="5551"><span class="lineNum"> 5551 </span> : systems. Otherwise, check to see if it is a binary file by seeing</a>
|
|
<a name="5552"><span class="lineNum"> 5552 </span> : if the contents of the first line (or up to 80 characters) are in the</a>
|
|
<a name="5553"><span class="lineNum"> 5553 </span> : ASCII set. If it's a text file, execute the contents as shell commands,</a>
|
|
<a name="5554"><span class="lineNum"> 5554 </span> : otherwise return 126 (EX_BINARY_FILE). */</a>
|
|
<a name="5555"><span class="lineNum"> 5555 </span><span class="lineNoCov"> 0 : READ_SAMPLE_BUF (command, sample, sample_len);</span></a>
|
|
<a name="5556"><span class="lineNum"> 5556 </span> : </a>
|
|
<a name="5557"><span class="lineNum"> 5557 </span><span class="lineNoCov"> 0 : if (sample_len == 0)</span></a>
|
|
<a name="5558"><span class="lineNum"> 5558 </span> : return (EXECUTION_SUCCESS);</a>
|
|
<a name="5559"><span class="lineNum"> 5559 </span> : </a>
|
|
<a name="5560"><span class="lineNum"> 5560 </span> : /* Is this supposed to be an executable script?</a>
|
|
<a name="5561"><span class="lineNum"> 5561 </span> : If so, the format of the line is "#! interpreter [argument]".</a>
|
|
<a name="5562"><span class="lineNum"> 5562 </span> : A single argument is allowed. The BSD kernel restricts</a>
|
|
<a name="5563"><span class="lineNum"> 5563 </span> : the length of the entire line to 32 characters (32 bytes</a>
|
|
<a name="5564"><span class="lineNum"> 5564 </span> : being the size of the BSD exec header), but we allow 80</a>
|
|
<a name="5565"><span class="lineNum"> 5565 </span> : characters. */</a>
|
|
<a name="5566"><span class="lineNum"> 5566 </span><span class="lineNoCov"> 0 : if (sample_len > 0)</span></a>
|
|
<a name="5567"><span class="lineNum"> 5567 </span> : {</a>
|
|
<a name="5568"><span class="lineNum"> 5568 </span> : #if !defined (HAVE_HASH_BANG_EXEC)</a>
|
|
<a name="5569"><span class="lineNum"> 5569 </span> : if (sample_len > 2 && sample[0] == '#' && sample[1] == '!')</a>
|
|
<a name="5570"><span class="lineNum"> 5570 </span> : return (execute_shell_script (sample, sample_len, command, args, env));</a>
|
|
<a name="5571"><span class="lineNum"> 5571 </span> : else</a>
|
|
<a name="5572"><span class="lineNum"> 5572 </span> : #endif</a>
|
|
<a name="5573"><span class="lineNum"> 5573 </span><span class="lineNoCov"> 0 : if (check_binary_file (sample, sample_len))</span></a>
|
|
<a name="5574"><span class="lineNum"> 5574 </span> : {</a>
|
|
<a name="5575"><span class="lineNum"> 5575 </span><span class="lineNoCov"> 0 : internal_error (_("%s: cannot execute binary file: %s"), command, strerror (i));</span></a>
|
|
<a name="5576"><span class="lineNum"> 5576 </span><span class="lineNoCov"> 0 : errno = i;</span></a>
|
|
<a name="5577"><span class="lineNum"> 5577 </span><span class="lineNoCov"> 0 : return (EX_BINARY_FILE);</span></a>
|
|
<a name="5578"><span class="lineNum"> 5578 </span> : }</a>
|
|
<a name="5579"><span class="lineNum"> 5579 </span> : }</a>
|
|
<a name="5580"><span class="lineNum"> 5580 </span> : </a>
|
|
<a name="5581"><span class="lineNum"> 5581 </span> : /* We have committed to attempting to execute the contents of this file</a>
|
|
<a name="5582"><span class="lineNum"> 5582 </span> : as shell commands. */</a>
|
|
<a name="5583"><span class="lineNum"> 5583 </span> : </a>
|
|
<a name="5584"><span class="lineNum"> 5584 </span><span class="lineNoCov"> 0 : reset_parser ();</span></a>
|
|
<a name="5585"><span class="lineNum"> 5585 </span><span class="lineNoCov"> 0 : initialize_subshell ();</span></a>
|
|
<a name="5586"><span class="lineNum"> 5586 </span> : </a>
|
|
<a name="5587"><span class="lineNum"> 5587 </span><span class="lineNoCov"> 0 : set_sigint_handler ();</span></a>
|
|
<a name="5588"><span class="lineNum"> 5588 </span> : </a>
|
|
<a name="5589"><span class="lineNum"> 5589 </span> : /* Insert the name of this shell into the argument list. */</a>
|
|
<a name="5590"><span class="lineNum"> 5590 </span><span class="lineNoCov"> 0 : larray = strvec_len (args) + 1;</span></a>
|
|
<a name="5591"><span class="lineNum"> 5591 </span><span class="lineNoCov"> 0 : args = strvec_resize (args, larray + 1);</span></a>
|
|
<a name="5592"><span class="lineNum"> 5592 </span> : </a>
|
|
<a name="5593"><span class="lineNum"> 5593 </span><span class="lineNoCov"> 0 : for (i = larray - 1; i; i--)</span></a>
|
|
<a name="5594"><span class="lineNum"> 5594 </span><span class="lineNoCov"> 0 : args[i] = args[i - 1];</span></a>
|
|
<a name="5595"><span class="lineNum"> 5595 </span> : </a>
|
|
<a name="5596"><span class="lineNum"> 5596 </span><span class="lineNoCov"> 0 : args[0] = shell_name;</span></a>
|
|
<a name="5597"><span class="lineNum"> 5597 </span><span class="lineNoCov"> 0 : args[1] = command;</span></a>
|
|
<a name="5598"><span class="lineNum"> 5598 </span><span class="lineNoCov"> 0 : args[larray] = (char *)NULL;</span></a>
|
|
<a name="5599"><span class="lineNum"> 5599 </span> : </a>
|
|
<a name="5600"><span class="lineNum"> 5600 </span><span class="lineNoCov"> 0 : if (args[0][0] == '-')</span></a>
|
|
<a name="5601"><span class="lineNum"> 5601 </span><span class="lineNoCov"> 0 : args[0]++;</span></a>
|
|
<a name="5602"><span class="lineNum"> 5602 </span> : </a>
|
|
<a name="5603"><span class="lineNum"> 5603 </span> : #if defined (RESTRICTED_SHELL)</a>
|
|
<a name="5604"><span class="lineNum"> 5604 </span> : if (restricted)</a>
|
|
<a name="5605"><span class="lineNum"> 5605 </span> : change_flag ('r', FLAG_OFF);</a>
|
|
<a name="5606"><span class="lineNum"> 5606 </span> : #endif</a>
|
|
<a name="5607"><span class="lineNum"> 5607 </span> : </a>
|
|
<a name="5608"><span class="lineNum"> 5608 </span><span class="lineNoCov"> 0 : if (subshell_argv)</span></a>
|
|
<a name="5609"><span class="lineNum"> 5609 </span> : {</a>
|
|
<a name="5610"><span class="lineNum"> 5610 </span> : /* Can't free subshell_argv[0]; that is shell_name. */</a>
|
|
<a name="5611"><span class="lineNum"> 5611 </span><span class="lineNoCov"> 0 : for (i = 1; i < subshell_argc; i++)</span></a>
|
|
<a name="5612"><span class="lineNum"> 5612 </span><span class="lineNoCov"> 0 : free (subshell_argv[i]);</span></a>
|
|
<a name="5613"><span class="lineNum"> 5613 </span><span class="lineNoCov"> 0 : free (subshell_argv);</span></a>
|
|
<a name="5614"><span class="lineNum"> 5614 </span> : }</a>
|
|
<a name="5615"><span class="lineNum"> 5615 </span> : </a>
|
|
<a name="5616"><span class="lineNum"> 5616 </span><span class="lineNoCov"> 0 : dispose_command (currently_executing_command); /* XXX */</span></a>
|
|
<a name="5617"><span class="lineNum"> 5617 </span><span class="lineNoCov"> 0 : currently_executing_command = (COMMAND *)NULL;</span></a>
|
|
<a name="5618"><span class="lineNum"> 5618 </span> : </a>
|
|
<a name="5619"><span class="lineNum"> 5619 </span><span class="lineNoCov"> 0 : subshell_argc = larray;</span></a>
|
|
<a name="5620"><span class="lineNum"> 5620 </span><span class="lineNoCov"> 0 : subshell_argv = args;</span></a>
|
|
<a name="5621"><span class="lineNum"> 5621 </span><span class="lineNoCov"> 0 : subshell_envp = env;</span></a>
|
|
<a name="5622"><span class="lineNum"> 5622 </span> : </a>
|
|
<a name="5623"><span class="lineNum"> 5623 </span><span class="lineNoCov"> 0 : unbind_args (); /* remove the positional parameters */</span></a>
|
|
<a name="5624"><span class="lineNum"> 5624 </span> : </a>
|
|
<a name="5625"><span class="lineNum"> 5625 </span> : #if defined (PROCESS_SUBSTITUTION)</a>
|
|
<a name="5626"><span class="lineNum"> 5626 </span><span class="lineNoCov"> 0 : clear_fifo_list (); /* pipe fds are what they are now */</span></a>
|
|
<a name="5627"><span class="lineNum"> 5627 </span> : #endif</a>
|
|
<a name="5628"><span class="lineNum"> 5628 </span> : </a>
|
|
<a name="5629"><span class="lineNum"> 5629 </span><span class="lineNoCov"> 0 : sh_longjmp (subshell_top_level, 1);</span></a>
|
|
<a name="5630"><span class="lineNum"> 5630 </span> : /*NOTREACHED*/</a>
|
|
<a name="5631"><span class="lineNum"> 5631 </span> : }</a>
|
|
<a name="5632"><span class="lineNum"> 5632 </span> : </a>
|
|
<a name="5633"><span class="lineNum"> 5633 </span> : static int</a>
|
|
<a name="5634"><span class="lineNum"> 5634 </span><span class="lineCov"> 18703806 : execute_intern_function (name, funcdef)</span></a>
|
|
<a name="5635"><span class="lineNum"> 5635 </span> : WORD_DESC *name;</a>
|
|
<a name="5636"><span class="lineNum"> 5636 </span> : FUNCTION_DEF *funcdef;</a>
|
|
<a name="5637"><span class="lineNum"> 5637 </span> : {</a>
|
|
<a name="5638"><span class="lineNum"> 5638 </span><span class="lineCov"> 18703806 : SHELL_VAR *var;</span></a>
|
|
<a name="5639"><span class="lineNum"> 5639 </span> : </a>
|
|
<a name="5640"><span class="lineNum"> 5640 </span><span class="lineCov"> 18703806 : if (check_identifier (name, posixly_correct) == 0)</span></a>
|
|
<a name="5641"><span class="lineNum"> 5641 </span> : {</a>
|
|
<a name="5642"><span class="lineNum"> 5642 </span><span class="lineCov"> 469 : if (posixly_correct && interactive_shell == 0 && rpm_requires == 0)</span></a>
|
|
<a name="5643"><span class="lineNum"> 5643 </span> : {</a>
|
|
<a name="5644"><span class="lineNum"> 5644 </span><span class="lineNoCov"> 0 : last_command_exit_value = EX_BADUSAGE;</span></a>
|
|
<a name="5645"><span class="lineNum"> 5645 </span><span class="lineNoCov"> 0 : jump_to_top_level (ERREXIT);</span></a>
|
|
<a name="5646"><span class="lineNum"> 5646 </span> : }</a>
|
|
<a name="5647"><span class="lineNum"> 5647 </span> : return (EXECUTION_FAILURE);</a>
|
|
<a name="5648"><span class="lineNum"> 5648 </span> : }</a>
|
|
<a name="5649"><span class="lineNum"> 5649 </span> : </a>
|
|
<a name="5650"><span class="lineNum"> 5650 </span> : /* Posix interpretation 383 */</a>
|
|
<a name="5651"><span class="lineNum"> 5651 </span><span class="lineCov"> 18703337 : if (posixly_correct && find_special_builtin (name->word))</span></a>
|
|
<a name="5652"><span class="lineNum"> 5652 </span> : {</a>
|
|
<a name="5653"><span class="lineNum"> 5653 </span><span class="lineNoCov"> 0 : internal_error (_("`%s': is a special builtin"), name->word);</span></a>
|
|
<a name="5654"><span class="lineNum"> 5654 </span><span class="lineNoCov"> 0 : last_command_exit_value = EX_BADUSAGE;</span></a>
|
|
<a name="5655"><span class="lineNum"> 5655 </span><span class="lineNoCov"> 0 : jump_to_top_level (interactive_shell ? DISCARD : ERREXIT);</span></a>
|
|
<a name="5656"><span class="lineNum"> 5656 </span> : }</a>
|
|
<a name="5657"><span class="lineNum"> 5657 </span> : </a>
|
|
<a name="5658"><span class="lineNum"> 5658 </span><span class="lineCov"> 18703337 : var = find_function (name->word);</span></a>
|
|
<a name="5659"><span class="lineNum"> 5659 </span><span class="lineCov"> 18703337 : if (var && (readonly_p (var) || noassign_p (var)))</span></a>
|
|
<a name="5660"><span class="lineNum"> 5660 </span> : {</a>
|
|
<a name="5661"><span class="lineNum"> 5661 </span><span class="lineNoCov"> 0 : if (readonly_p (var))</span></a>
|
|
<a name="5662"><span class="lineNum"> 5662 </span><span class="lineNoCov"> 0 : internal_error (_("%s: readonly function"), var->name);</span></a>
|
|
<a name="5663"><span class="lineNum"> 5663 </span><span class="lineNoCov"> 0 : return (EXECUTION_FAILURE);</span></a>
|
|
<a name="5664"><span class="lineNum"> 5664 </span> : }</a>
|
|
<a name="5665"><span class="lineNum"> 5665 </span> : </a>
|
|
<a name="5666"><span class="lineNum"> 5666 </span> : #if defined (DEBUGGER)</a>
|
|
<a name="5667"><span class="lineNum"> 5667 </span><span class="lineCov"> 18703337 : bind_function_def (name->word, funcdef);</span></a>
|
|
<a name="5668"><span class="lineNum"> 5668 </span> : #endif</a>
|
|
<a name="5669"><span class="lineNum"> 5669 </span> : </a>
|
|
<a name="5670"><span class="lineNum"> 5670 </span><span class="lineCov"> 18703337 : bind_function (name->word, funcdef->command);</span></a>
|
|
<a name="5671"><span class="lineNum"> 5671 </span><span class="lineCov"> 18703337 : return (EXECUTION_SUCCESS);</span></a>
|
|
<a name="5672"><span class="lineNum"> 5672 </span> : }</a>
|
|
<a name="5673"><span class="lineNum"> 5673 </span> : </a>
|
|
<a name="5674"><span class="lineNum"> 5674 </span> : #if defined (INCLUDE_UNUSED)</a>
|
|
<a name="5675"><span class="lineNum"> 5675 </span> : #if defined (PROCESS_SUBSTITUTION)</a>
|
|
<a name="5676"><span class="lineNum"> 5676 </span> : void</a>
|
|
<a name="5677"><span class="lineNum"> 5677 </span> : close_all_files ()</a>
|
|
<a name="5678"><span class="lineNum"> 5678 </span> : {</a>
|
|
<a name="5679"><span class="lineNum"> 5679 </span> : register int i, fd_table_size;</a>
|
|
<a name="5680"><span class="lineNum"> 5680 </span> : </a>
|
|
<a name="5681"><span class="lineNum"> 5681 </span> : fd_table_size = getdtablesize ();</a>
|
|
<a name="5682"><span class="lineNum"> 5682 </span> : if (fd_table_size > 256) /* clamp to a reasonable value */</a>
|
|
<a name="5683"><span class="lineNum"> 5683 </span> : fd_table_size = 256;</a>
|
|
<a name="5684"><span class="lineNum"> 5684 </span> : </a>
|
|
<a name="5685"><span class="lineNum"> 5685 </span> : for (i = 3; i < fd_table_size; i++)</a>
|
|
<a name="5686"><span class="lineNum"> 5686 </span> : close (i);</a>
|
|
<a name="5687"><span class="lineNum"> 5687 </span> : }</a>
|
|
<a name="5688"><span class="lineNum"> 5688 </span> : #endif /* PROCESS_SUBSTITUTION */</a>
|
|
<a name="5689"><span class="lineNum"> 5689 </span> : #endif</a>
|
|
<a name="5690"><span class="lineNum"> 5690 </span> : </a>
|
|
<a name="5691"><span class="lineNum"> 5691 </span> : static void</a>
|
|
<a name="5692"><span class="lineNum"> 5692 </span><span class="lineCov"> 9470149 : close_pipes (in, out)</span></a>
|
|
<a name="5693"><span class="lineNum"> 5693 </span> : int in, out;</a>
|
|
<a name="5694"><span class="lineNum"> 5694 </span> : {</a>
|
|
<a name="5695"><span class="lineNum"> 5695 </span><span class="lineCov"> 9470149 : if (in >= 0)</span></a>
|
|
<a name="5696"><span class="lineNum"> 5696 </span><span class="lineCov"> 30356 : close (in);</span></a>
|
|
<a name="5697"><span class="lineNum"> 5697 </span><span class="lineCov"> 9470149 : if (out >= 0)</span></a>
|
|
<a name="5698"><span class="lineNum"> 5698 </span><span class="lineCov"> 30359 : close (out);</span></a>
|
|
<a name="5699"><span class="lineNum"> 5699 </span><span class="lineCov"> 9470149 : }</span></a>
|
|
<a name="5700"><span class="lineNum"> 5700 </span> : </a>
|
|
<a name="5701"><span class="lineNum"> 5701 </span> : static void</a>
|
|
<a name="5702"><span class="lineNum"> 5702 </span><span class="lineNoCov"> 0 : dup_error (oldd, newd)</span></a>
|
|
<a name="5703"><span class="lineNum"> 5703 </span> : int oldd, newd;</a>
|
|
<a name="5704"><span class="lineNum"> 5704 </span> : {</a>
|
|
<a name="5705"><span class="lineNum"> 5705 </span><span class="lineNoCov"> 0 : sys_error (_("cannot duplicate fd %d to fd %d"), oldd, newd);</span></a>
|
|
<a name="5706"><span class="lineNum"> 5706 </span><span class="lineNoCov"> 0 : }</span></a>
|
|
<a name="5707"><span class="lineNum"> 5707 </span> : </a>
|
|
<a name="5708"><span class="lineNum"> 5708 </span> : /* Redirect input and output to be from and to the specified pipes.</a>
|
|
<a name="5709"><span class="lineNum"> 5709 </span> : NO_PIPE and REDIRECT_BOTH are handled correctly. */</a>
|
|
<a name="5710"><span class="lineNum"> 5710 </span> : static void</a>
|
|
<a name="5711"><span class="lineNum"> 5711 </span><span class="lineCov"> 9532213 : do_piping (pipe_in, pipe_out)</span></a>
|
|
<a name="5712"><span class="lineNum"> 5712 </span> : int pipe_in, pipe_out;</a>
|
|
<a name="5713"><span class="lineNum"> 5713 </span> : {</a>
|
|
<a name="5714"><span class="lineNum"> 5714 </span><span class="lineCov"> 9532213 : if (pipe_in != NO_PIPE)</span></a>
|
|
<a name="5715"><span class="lineNum"> 5715 </span> : {</a>
|
|
<a name="5716"><span class="lineNum"> 5716 </span><span class="lineCov"> 30359 : if (dup2 (pipe_in, 0) < 0)</span></a>
|
|
<a name="5717"><span class="lineNum"> 5717 </span><span class="lineNoCov"> 0 : dup_error (pipe_in, 0);</span></a>
|
|
<a name="5718"><span class="lineNum"> 5718 </span><span class="lineCov"> 30359 : if (pipe_in > 0)</span></a>
|
|
<a name="5719"><span class="lineNum"> 5719 </span><span class="lineCov"> 30359 : close (pipe_in);</span></a>
|
|
<a name="5720"><span class="lineNum"> 5720 </span> : #ifdef __CYGWIN__</a>
|
|
<a name="5721"><span class="lineNum"> 5721 </span> : /* Let stdio know the fd may have changed from text to binary mode. */</a>
|
|
<a name="5722"><span class="lineNum"> 5722 </span> : freopen (NULL, "r", stdin);</a>
|
|
<a name="5723"><span class="lineNum"> 5723 </span> : #endif /* __CYGWIN__ */</a>
|
|
<a name="5724"><span class="lineNum"> 5724 </span> : }</a>
|
|
<a name="5725"><span class="lineNum"> 5725 </span><span class="lineCov"> 9532213 : if (pipe_out != NO_PIPE)</span></a>
|
|
<a name="5726"><span class="lineNum"> 5726 </span> : {</a>
|
|
<a name="5727"><span class="lineNum"> 5727 </span><span class="lineCov"> 30359 : if (pipe_out != REDIRECT_BOTH)</span></a>
|
|
<a name="5728"><span class="lineNum"> 5728 </span> : {</a>
|
|
<a name="5729"><span class="lineNum"> 5729 </span><span class="lineCov"> 30359 : if (dup2 (pipe_out, 1) < 0)</span></a>
|
|
<a name="5730"><span class="lineNum"> 5730 </span><span class="lineNoCov"> 0 : dup_error (pipe_out, 1);</span></a>
|
|
<a name="5731"><span class="lineNum"> 5731 </span><span class="lineCov"> 30359 : if (pipe_out == 0 || pipe_out > 1)</span></a>
|
|
<a name="5732"><span class="lineNum"> 5732 </span><span class="lineCov"> 30359 : close (pipe_out);</span></a>
|
|
<a name="5733"><span class="lineNum"> 5733 </span> : }</a>
|
|
<a name="5734"><span class="lineNum"> 5734 </span> : else</a>
|
|
<a name="5735"><span class="lineNum"> 5735 </span> : {</a>
|
|
<a name="5736"><span class="lineNum"> 5736 </span><span class="lineNoCov"> 0 : if (dup2 (1, 2) < 0)</span></a>
|
|
<a name="5737"><span class="lineNum"> 5737 </span><span class="lineNoCov"> 0 : dup_error (1, 2);</span></a>
|
|
<a name="5738"><span class="lineNum"> 5738 </span> : }</a>
|
|
<a name="5739"><span class="lineNum"> 5739 </span> : #ifdef __CYGWIN__</a>
|
|
<a name="5740"><span class="lineNum"> 5740 </span> : /* Let stdio know the fd may have changed from text to binary mode, and</a>
|
|
<a name="5741"><span class="lineNum"> 5741 </span> : make sure to preserve stdout line buffering. */</a>
|
|
<a name="5742"><span class="lineNum"> 5742 </span> : freopen (NULL, "w", stdout);</a>
|
|
<a name="5743"><span class="lineNum"> 5743 </span> : sh_setlinebuf (stdout);</a>
|
|
<a name="5744"><span class="lineNum"> 5744 </span> : #endif /* __CYGWIN__ */</a>
|
|
<a name="5745"><span class="lineNum"> 5745 </span> : }</a>
|
|
<a name="5746"><span class="lineNum"> 5746 </span><span class="lineCov"> 9532213 : }</span></a>
|
|
</pre>
|
|
</td>
|
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</tr>
|
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</table>
|
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<br>
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<table width="100%" border=0 cellspacing=0 cellpadding=0>
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<tr><td class="ruler"><img src="../glass.png" width=3 height=3 alt=""></td></tr>
|
|
<tr><td class="versionInfo">Generated by: <a href="http://ltp.sourceforge.net/coverage/lcov.php" target="_parent">LCOV version 1.14.0.6.4058</a></td></tr>
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</table>
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<br>
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</body>
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</html>
|