underwit/bash-fuzzing
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
Files
master
bash-fuzzing/coverage-sh/bash-4.4.23/redir.c.gcov.html
Ivan Razzhivin 5b5b9c862c - add files
2020-11-03 17:15:23 +03:00

1514 lines
162 KiB
HTML
Raw Permalink Blame History

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>LCOV - cov-sh.info - bash-4.4.23/redir.c</title>
<link rel="stylesheet" type="text/css" href="../gcov.css">
</head>
<body>
<table width="100%" border=0 cellspacing=0 cellpadding=0>
<tr><td class="title">LCOV - code coverage report</td></tr>
<tr><td class="ruler"><img src="../glass.png" width=3 height=3 alt=""></td></tr>
<tr>
<td width="100%">
<table cellpadding=1 border=0 width="100%">
<tr>
<td width="10%" class="headerItem">Current view:</td>
<td width="35%" class="headerValue"><a href="../index.html">top level</a> - <a href="index.html">bash-4.4.23</a> - redir.c<span style="font-size: 80%;"> (source / <a href="redir.c.func-sort-c.html">functions</a>)</span></td>
<td width="5%"></td>
<td width="15%"></td>
<td width="10%" class="headerCovTableHead">Hit</td>
<td width="10%" class="headerCovTableHead">Total</td>
<td width="15%" class="headerCovTableHead">Coverage</td>
</tr>
<tr>
<td class="headerItem">Test:</td>
<td class="headerValue">cov-sh.info</td>
<td></td>
<td class="headerItem">Lines:</td>
<td class="headerCovTableEntry">261</td>
<td class="headerCovTableEntry">549</td>
<td class="headerCovTableEntryLo">47.5 %</td>
</tr>
<tr>
<td class="headerItem">Date:</td>
<td class="headerValue">2020-10-29 14:49:55</td>
<td></td>
<td class="headerItem">Functions:</td>
<td class="headerCovTableEntry">9</td>
<td class="headerCovTableEntry">16</td>
<td class="headerCovTableEntryLo">56.2 %</td>
</tr>
<tr><td><img src="../glass.png" width=3 height=3 alt=""></td></tr>
</table>
</td>
</tr>
<tr><td class="ruler"><img src="../glass.png" width=3 height=3 alt=""></td></tr>
</table>
<table cellpadding=0 cellspacing=0 border=0>
<tr>
<td><br></td>
</tr>
<tr>
<td>
<pre class="sourceHeading"> Line data Source code</pre>
<pre class="source">
<a name="1"><span class="lineNum"> 1 </span> : /* redir.c -- Functions to perform input and output redirection. */</a>
<a name="2"><span class="lineNum"> 2 </span> : </a>
<a name="3"><span class="lineNum"> 3 </span> : /* Copyright (C) 1997-2015 Free Software Foundation, Inc.</a>
<a name="4"><span class="lineNum"> 4 </span> : </a>
<a name="5"><span class="lineNum"> 5 </span> : This file is part of GNU Bash, the Bourne Again SHell.</a>
<a name="6"><span class="lineNum"> 6 </span> : </a>
<a name="7"><span class="lineNum"> 7 </span> : Bash is free software: you can redistribute it and/or modify</a>
<a name="8"><span class="lineNum"> 8 </span> : it under the terms of the GNU General Public License as published by</a>
<a name="9"><span class="lineNum"> 9 </span> : the Free Software Foundation, either version 3 of the License, or</a>
<a name="10"><span class="lineNum"> 10 </span> : (at your option) any later version.</a>
<a name="11"><span class="lineNum"> 11 </span> : </a>
<a name="12"><span class="lineNum"> 12 </span> : Bash is distributed in the hope that it will be useful,</a>
<a name="13"><span class="lineNum"> 13 </span> : but WITHOUT ANY WARRANTY; without even the implied warranty of</a>
<a name="14"><span class="lineNum"> 14 </span> : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</a>
<a name="15"><span class="lineNum"> 15 </span> : GNU General Public License for more details.</a>
<a name="16"><span class="lineNum"> 16 </span> : </a>
<a name="17"><span class="lineNum"> 17 </span> : You should have received a copy of the GNU General Public License</a>
<a name="18"><span class="lineNum"> 18 </span> : along with Bash. If not, see &lt;http://www.gnu.org/licenses/&gt;.</a>
<a name="19"><span class="lineNum"> 19 </span> : */</a>
<a name="20"><span class="lineNum"> 20 </span> : </a>
<a name="21"><span class="lineNum"> 21 </span> : #include &quot;config.h&quot;</a>
<a name="22"><span class="lineNum"> 22 </span> : </a>
<a name="23"><span class="lineNum"> 23 </span> : #if !defined (__GNUC__) &amp;&amp; !defined (HAVE_ALLOCA_H) &amp;&amp; defined (_AIX)</a>
<a name="24"><span class="lineNum"> 24 </span> : #pragma alloca</a>
<a name="25"><span class="lineNum"> 25 </span> : #endif /* _AIX &amp;&amp; RISC6000 &amp;&amp; !__GNUC__ */</a>
<a name="26"><span class="lineNum"> 26 </span> : </a>
<a name="27"><span class="lineNum"> 27 </span> : #include &lt;stdio.h&gt;</a>
<a name="28"><span class="lineNum"> 28 </span> : #include &quot;bashtypes.h&quot;</a>
<a name="29"><span class="lineNum"> 29 </span> : #if !defined (_MINIX) &amp;&amp; defined (HAVE_SYS_FILE_H)</a>
<a name="30"><span class="lineNum"> 30 </span> : # include &lt;sys/file.h&gt;</a>
<a name="31"><span class="lineNum"> 31 </span> : #endif</a>
<a name="32"><span class="lineNum"> 32 </span> : #include &quot;filecntl.h&quot;</a>
<a name="33"><span class="lineNum"> 33 </span> : #include &quot;posixstat.h&quot;</a>
<a name="34"><span class="lineNum"> 34 </span> : </a>
<a name="35"><span class="lineNum"> 35 </span> : #if defined (HAVE_UNISTD_H)</a>
<a name="36"><span class="lineNum"> 36 </span> : # include &lt;unistd.h&gt;</a>
<a name="37"><span class="lineNum"> 37 </span> : #endif</a>
<a name="38"><span class="lineNum"> 38 </span> : </a>
<a name="39"><span class="lineNum"> 39 </span> : #include &lt;errno.h&gt;</a>
<a name="40"><span class="lineNum"> 40 </span> : </a>
<a name="41"><span class="lineNum"> 41 </span> : #if !defined (errno)</a>
<a name="42"><span class="lineNum"> 42 </span> : extern int errno;</a>
<a name="43"><span class="lineNum"> 43 </span> : #endif</a>
<a name="44"><span class="lineNum"> 44 </span> : </a>
<a name="45"><span class="lineNum"> 45 </span> : #include &quot;bashansi.h&quot;</a>
<a name="46"><span class="lineNum"> 46 </span> : #include &quot;bashintl.h&quot;</a>
<a name="47"><span class="lineNum"> 47 </span> : #include &quot;memalloc.h&quot;</a>
<a name="48"><span class="lineNum"> 48 </span> : </a>
<a name="49"><span class="lineNum"> 49 </span> : #define NEED_FPURGE_DECL</a>
<a name="50"><span class="lineNum"> 50 </span> : </a>
<a name="51"><span class="lineNum"> 51 </span> : #include &quot;shell.h&quot;</a>
<a name="52"><span class="lineNum"> 52 </span> : #include &quot;flags.h&quot;</a>
<a name="53"><span class="lineNum"> 53 </span> : #include &quot;execute_cmd.h&quot;</a>
<a name="54"><span class="lineNum"> 54 </span> : #include &quot;redir.h&quot;</a>
<a name="55"><span class="lineNum"> 55 </span> : #include &quot;trap.h&quot;</a>
<a name="56"><span class="lineNum"> 56 </span> : </a>
<a name="57"><span class="lineNum"> 57 </span> : #if defined (BUFFERED_INPUT)</a>
<a name="58"><span class="lineNum"> 58 </span> : # include &quot;input.h&quot;</a>
<a name="59"><span class="lineNum"> 59 </span> : #endif</a>
<a name="60"><span class="lineNum"> 60 </span> : </a>
<a name="61"><span class="lineNum"> 61 </span> : #define SHELL_FD_BASE 10</a>
<a name="62"><span class="lineNum"> 62 </span> : </a>
<a name="63"><span class="lineNum"> 63 </span> : int expanding_redir;</a>
<a name="64"><span class="lineNum"> 64 </span> : </a>
<a name="65"><span class="lineNum"> 65 </span> : extern int posixly_correct;</a>
<a name="66"><span class="lineNum"> 66 </span> : extern int last_command_exit_value;</a>
<a name="67"><span class="lineNum"> 67 </span> : extern int executing_builtin;</a>
<a name="68"><span class="lineNum"> 68 </span> : extern REDIRECT *redirection_undo_list;</a>
<a name="69"><span class="lineNum"> 69 </span> : extern REDIRECT *exec_redirection_undo_list;</a>
<a name="70"><span class="lineNum"> 70 </span> : </a>
<a name="71"><span class="lineNum"> 71 </span> : /* Static functions defined and used in this file. */</a>
<a name="72"><span class="lineNum"> 72 </span> : static void add_exec_redirect __P((REDIRECT *));</a>
<a name="73"><span class="lineNum"> 73 </span> : static int add_undo_redirect __P((int, enum r_instruction, int));</a>
<a name="74"><span class="lineNum"> 74 </span> : static int add_undo_close_redirect __P((int));</a>
<a name="75"><span class="lineNum"> 75 </span> : static int expandable_redirection_filename __P((REDIRECT *));</a>
<a name="76"><span class="lineNum"> 76 </span> : static int stdin_redirection __P((enum r_instruction, int));</a>
<a name="77"><span class="lineNum"> 77 </span> : #if 0</a>
<a name="78"><span class="lineNum"> 78 </span> : static int undoablefd __P((int));</a>
<a name="79"><span class="lineNum"> 79 </span> : #endif</a>
<a name="80"><span class="lineNum"> 80 </span> : static int do_redirection_internal __P((REDIRECT *, int));</a>
<a name="81"><span class="lineNum"> 81 </span> : </a>
<a name="82"><span class="lineNum"> 82 </span> : static int write_here_document __P((int, WORD_DESC *));</a>
<a name="83"><span class="lineNum"> 83 </span> : static int write_here_string __P((int, WORD_DESC *));</a>
<a name="84"><span class="lineNum"> 84 </span> : static int here_document_to_fd __P((WORD_DESC *, enum r_instruction));</a>
<a name="85"><span class="lineNum"> 85 </span> : </a>
<a name="86"><span class="lineNum"> 86 </span> : static int redir_special_open __P((int, char *, int, int, enum r_instruction));</a>
<a name="87"><span class="lineNum"> 87 </span> : static int noclobber_open __P((char *, int, int, enum r_instruction));</a>
<a name="88"><span class="lineNum"> 88 </span> : static int redir_open __P((char *, int, int, enum r_instruction));</a>
<a name="89"><span class="lineNum"> 89 </span> : </a>
<a name="90"><span class="lineNum"> 90 </span> : static int redir_varassign __P((REDIRECT *, int));</a>
<a name="91"><span class="lineNum"> 91 </span> : static int redir_varvalue __P((REDIRECT *));</a>
<a name="92"><span class="lineNum"> 92 </span> : </a>
<a name="93"><span class="lineNum"> 93 </span> : /* Spare redirector used when translating [N]&gt;&amp;WORD[-] or [N]&lt;&amp;WORD[-] to</a>
<a name="94"><span class="lineNum"> 94 </span> : a new redirection and when creating the redirection undo list. */</a>
<a name="95"><span class="lineNum"> 95 </span> : static REDIRECTEE rd;</a>
<a name="96"><span class="lineNum"> 96 </span> : </a>
<a name="97"><span class="lineNum"> 97 </span> : /* Set to errno when a here document cannot be created for some reason.</a>
<a name="98"><span class="lineNum"> 98 </span> : Used to print a reasonable error message. */</a>
<a name="99"><span class="lineNum"> 99 </span> : static int heredoc_errno;</a>
<a name="100"><span class="lineNum"> 100 </span> : </a>
<a name="101"><span class="lineNum"> 101 </span> : #define REDIRECTION_ERROR(r, e, fd) \</a>
<a name="102"><span class="lineNum"> 102 </span> : do { \</a>
<a name="103"><span class="lineNum"> 103 </span> : if ((r) &lt; 0) \</a>
<a name="104"><span class="lineNum"> 104 </span> : { \</a>
<a name="105"><span class="lineNum"> 105 </span> : if (fd &gt;= 0) \</a>
<a name="106"><span class="lineNum"> 106 </span> : close (fd); \</a>
<a name="107"><span class="lineNum"> 107 </span> : last_command_exit_value = EXECUTION_FAILURE;\</a>
<a name="108"><span class="lineNum"> 108 </span> : return ((e) == 0 ? EINVAL : (e));\</a>
<a name="109"><span class="lineNum"> 109 </span> : } \</a>
<a name="110"><span class="lineNum"> 110 </span> : } while (0)</a>
<a name="111"><span class="lineNum"> 111 </span> : </a>
<a name="112"><span class="lineNum"> 112 </span> : void</a>
<a name="113"><span class="lineNum"> 113 </span><span class="lineCov"> 134719 : redirection_error (temp, error)</span></a>
<a name="114"><span class="lineNum"> 114 </span> : REDIRECT *temp;</a>
<a name="115"><span class="lineNum"> 115 </span> : int error;</a>
<a name="116"><span class="lineNum"> 116 </span> : {</a>
<a name="117"><span class="lineNum"> 117 </span><span class="lineCov"> 134719 : char *filename, *allocname;</span></a>
<a name="118"><span class="lineNum"> 118 </span><span class="lineCov"> 134719 : int oflags;</span></a>
<a name="119"><span class="lineNum"> 119 </span> : </a>
<a name="120"><span class="lineNum"> 120 </span><span class="lineCov"> 134719 : allocname = 0;</span></a>
<a name="121"><span class="lineNum"> 121 </span><span class="lineCov"> 134719 : if ((temp-&gt;rflags &amp; REDIR_VARASSIGN) &amp;&amp; error &lt; 0)</span></a>
<a name="122"><span class="lineNum"> 122 </span><span class="lineNoCov"> 0 : filename = allocname = savestring (temp-&gt;redirector.filename-&gt;word);</span></a>
<a name="123"><span class="lineNum"> 123 </span><span class="lineCov"> 134719 : else if ((temp-&gt;rflags &amp; REDIR_VARASSIGN) == 0 &amp;&amp; temp-&gt;redirector.dest &lt; 0)</span></a>
<a name="124"><span class="lineNum"> 124 </span> : /* This can happen when read_token_word encounters overflow, like in</a>
<a name="125"><span class="lineNum"> 125 </span> : exec 4294967297&gt;x */</a>
<a name="126"><span class="lineNum"> 126 </span><span class="lineNoCov"> 0 : filename = _(&quot;file descriptor out of range&quot;);</span></a>
<a name="127"><span class="lineNum"> 127 </span> : #ifdef EBADF</a>
<a name="128"><span class="lineNum"> 128 </span> : /* This error can never involve NOCLOBBER */</a>
<a name="129"><span class="lineNum"> 129 </span><span class="lineCov"> 134719 : else if (error != NOCLOBBER_REDIRECT &amp;&amp; temp-&gt;redirector.dest &gt;= 0 &amp;&amp; error == EBADF)</span></a>
<a name="130"><span class="lineNum"> 130 </span> : {</a>
<a name="131"><span class="lineNum"> 131 </span> : /* If we're dealing with two file descriptors, we have to guess about</a>
<a name="132"><span class="lineNum"> 132 </span> : which one is invalid; in the cases of r_{duplicating,move}_input and</a>
<a name="133"><span class="lineNum"> 133 </span> : r_{duplicating,move}_output we're here because dup2() failed. */</a>
<a name="134"><span class="lineNum"> 134 </span><span class="lineCov"> 42 : switch (temp-&gt;instruction)</span></a>
<a name="135"><span class="lineNum"> 135 </span> : {</a>
<a name="136"><span class="lineNum"> 136 </span><span class="lineNoCov"> 0 : case r_duplicating_input:</span></a>
<a name="137"><span class="lineNum"> 137 </span> : case r_duplicating_output:</a>
<a name="138"><span class="lineNum"> 138 </span> : case r_move_input:</a>
<a name="139"><span class="lineNum"> 139 </span> : case r_move_output:</a>
<a name="140"><span class="lineNum"> 140 </span><span class="lineNoCov"> 0 : filename = allocname = itos (temp-&gt;redirectee.dest);</span></a>
<a name="141"><span class="lineNum"> 141 </span><span class="lineNoCov"> 0 : break;</span></a>
<a name="142"><span class="lineNum"> 142 </span><span class="lineNoCov"> 0 : case r_duplicating_input_word:</span></a>
<a name="143"><span class="lineNum"> 143 </span><span class="lineNoCov"> 0 : if (temp-&gt;redirector.dest == 0) /* Guess */</span></a>
<a name="144"><span class="lineNum"> 144 </span><span class="lineNoCov"> 0 : filename = temp-&gt;redirectee.filename-&gt;word; /* XXX */</span></a>
<a name="145"><span class="lineNum"> 145 </span> : else</a>
<a name="146"><span class="lineNum"> 146 </span><span class="lineNoCov"> 0 : filename = allocname = itos (temp-&gt;redirector.dest);</span></a>
<a name="147"><span class="lineNum"> 147 </span> : break;</a>
<a name="148"><span class="lineNum"> 148 </span><span class="lineNoCov"> 0 : case r_duplicating_output_word:</span></a>
<a name="149"><span class="lineNum"> 149 </span><span class="lineNoCov"> 0 : if (temp-&gt;redirector.dest == 1) /* Guess */</span></a>
<a name="150"><span class="lineNum"> 150 </span><span class="lineNoCov"> 0 : filename = temp-&gt;redirectee.filename-&gt;word; /* XXX */</span></a>
<a name="151"><span class="lineNum"> 151 </span> : else</a>
<a name="152"><span class="lineNum"> 152 </span><span class="lineNoCov"> 0 : filename = allocname = itos (temp-&gt;redirector.dest);</span></a>
<a name="153"><span class="lineNum"> 153 </span> : break;</a>
<a name="154"><span class="lineNum"> 154 </span><span class="lineCov"> 42 : default:</span></a>
<a name="155"><span class="lineNum"> 155 </span><span class="lineCov"> 42 : filename = allocname = itos (temp-&gt;redirector.dest);</span></a>
<a name="156"><span class="lineNum"> 156 </span><span class="lineCov"> 42 : break;</span></a>
<a name="157"><span class="lineNum"> 157 </span> : }</a>
<a name="158"><span class="lineNum"> 158 </span> : }</a>
<a name="159"><span class="lineNum"> 159 </span> : #endif</a>
<a name="160"><span class="lineNum"> 160 </span><span class="lineCov"> 134677 : else if (expandable_redirection_filename (temp))</span></a>
<a name="161"><span class="lineNum"> 161 </span> : {</a>
<a name="162"><span class="lineNum"> 162 </span><span class="lineCov"> 134677 : oflags = temp-&gt;redirectee.filename-&gt;flags;</span></a>
<a name="163"><span class="lineNum"> 163 </span><span class="lineCov"> 134677 : if (posixly_correct &amp;&amp; interactive_shell == 0)</span></a>
<a name="164"><span class="lineNum"> 164 </span><span class="lineNoCov"> 0 : temp-&gt;redirectee.filename-&gt;flags |= W_NOGLOB;</span></a>
<a name="165"><span class="lineNum"> 165 </span><span class="lineCov"> 134677 : temp-&gt;redirectee.filename-&gt;flags |= W_NOCOMSUB;</span></a>
<a name="166"><span class="lineNum"> 166 </span><span class="lineCov"> 134677 : filename = allocname = redirection_expand (temp-&gt;redirectee.filename);</span></a>
<a name="167"><span class="lineNum"> 167 </span><span class="lineCov"> 134677 : temp-&gt;redirectee.filename-&gt;flags = oflags;</span></a>
<a name="168"><span class="lineNum"> 168 </span><span class="lineCov"> 134677 : if (filename == 0)</span></a>
<a name="169"><span class="lineNum"> 169 </span><span class="lineCov"> 513 : filename = temp-&gt;redirectee.filename-&gt;word;</span></a>
<a name="170"><span class="lineNum"> 170 </span> : }</a>
<a name="171"><span class="lineNum"> 171 </span><span class="lineNoCov"> 0 : else if (temp-&gt;redirectee.dest &lt; 0)</span></a>
<a name="172"><span class="lineNum"> 172 </span><span class="lineNoCov"> 0 : filename = _(&quot;file descriptor out of range&quot;);</span></a>
<a name="173"><span class="lineNum"> 173 </span> : else</a>
<a name="174"><span class="lineNum"> 174 </span><span class="lineNoCov"> 0 : filename = allocname = itos (temp-&gt;redirectee.dest);</span></a>
<a name="175"><span class="lineNum"> 175 </span> : </a>
<a name="176"><span class="lineNum"> 176 </span><span class="lineCov"> 134719 : switch (error)</span></a>
<a name="177"><span class="lineNum"> 177 </span> : {</a>
<a name="178"><span class="lineNum"> 178 </span><span class="lineCov"> 128 : case AMBIGUOUS_REDIRECT:</span></a>
<a name="179"><span class="lineNum"> 179 </span><span class="lineCov"> 128 : internal_error (_(&quot;%s: ambiguous redirect&quot;), filename);</span></a>
<a name="180"><span class="lineNum"> 180 </span><span class="lineCov"> 128 : break;</span></a>
<a name="181"><span class="lineNum"> 181 </span> : </a>
<a name="182"><span class="lineNum"> 182 </span><span class="lineNoCov"> 0 : case NOCLOBBER_REDIRECT:</span></a>
<a name="183"><span class="lineNum"> 183 </span><span class="lineNoCov"> 0 : internal_error (_(&quot;%s: cannot overwrite existing file&quot;), filename);</span></a>
<a name="184"><span class="lineNum"> 184 </span><span class="lineNoCov"> 0 : break;</span></a>
<a name="185"><span class="lineNum"> 185 </span> : </a>
<a name="186"><span class="lineNum"> 186 </span> : #if defined (RESTRICTED_SHELL)</a>
<a name="187"><span class="lineNum"> 187 </span> : case RESTRICTED_REDIRECT:</a>
<a name="188"><span class="lineNum"> 188 </span> : internal_error (_(&quot;%s: restricted: cannot redirect output&quot;), filename);</a>
<a name="189"><span class="lineNum"> 189 </span> : break;</a>
<a name="190"><span class="lineNum"> 190 </span> : #endif /* RESTRICTED_SHELL */</a>
<a name="191"><span class="lineNum"> 191 </span> : </a>
<a name="192"><span class="lineNum"> 192 </span><span class="lineNoCov"> 0 : case HEREDOC_REDIRECT:</span></a>
<a name="193"><span class="lineNum"> 193 </span><span class="lineNoCov"> 0 : internal_error (_(&quot;cannot create temp file for here-document: %s&quot;), strerror (heredoc_errno));</span></a>
<a name="194"><span class="lineNum"> 194 </span><span class="lineNoCov"> 0 : break;</span></a>
<a name="195"><span class="lineNum"> 195 </span> : </a>
<a name="196"><span class="lineNum"> 196 </span><span class="lineNoCov"> 0 : case BADVAR_REDIRECT:</span></a>
<a name="197"><span class="lineNum"> 197 </span><span class="lineNoCov"> 0 : internal_error (_(&quot;%s: cannot assign fd to variable&quot;), filename);</span></a>
<a name="198"><span class="lineNum"> 198 </span><span class="lineNoCov"> 0 : break;</span></a>
<a name="199"><span class="lineNum"> 199 </span> : </a>
<a name="200"><span class="lineNum"> 200 </span><span class="lineCov"> 134591 : default:</span></a>
<a name="201"><span class="lineNum"> 201 </span><span class="lineCov"> 134591 : internal_error (&quot;%s: %s&quot;, filename, strerror (error));</span></a>
<a name="202"><span class="lineNum"> 202 </span><span class="lineCov"> 134591 : break;</span></a>
<a name="203"><span class="lineNum"> 203 </span> : }</a>
<a name="204"><span class="lineNum"> 204 </span> : </a>
<a name="205"><span class="lineNum"> 205 </span><span class="lineCov"> 134719 : FREE (allocname);</span></a>
<a name="206"><span class="lineNum"> 206 </span><span class="lineCov"> 134719 : }</span></a>
<a name="207"><span class="lineNum"> 207 </span> : </a>
<a name="208"><span class="lineNum"> 208 </span> : /* Perform the redirections on LIST. If flags &amp; RX_ACTIVE, then actually</a>
<a name="209"><span class="lineNum"> 209 </span> : make input and output file descriptors, otherwise just do whatever is</a>
<a name="210"><span class="lineNum"> 210 </span> : necessary for side effecting. flags &amp; RX_UNDOABLE says to remember</a>
<a name="211"><span class="lineNum"> 211 </span> : how to undo the redirections later, if non-zero. If flags &amp; RX_CLEXEC</a>
<a name="212"><span class="lineNum"> 212 </span> : is non-zero, file descriptors opened in do_redirection () have their</a>
<a name="213"><span class="lineNum"> 213 </span> : close-on-exec flag set. */</a>
<a name="214"><span class="lineNum"> 214 </span> : int</a>
<a name="215"><span class="lineNum"> 215 </span><span class="lineCov"> 243135463 : do_redirections (list, flags)</span></a>
<a name="216"><span class="lineNum"> 216 </span> : REDIRECT *list;</a>
<a name="217"><span class="lineNum"> 217 </span> : int flags;</a>
<a name="218"><span class="lineNum"> 218 </span> : {</a>
<a name="219"><span class="lineNum"> 219 </span><span class="lineCov"> 243135463 : int error;</span></a>
<a name="220"><span class="lineNum"> 220 </span><span class="lineCov"> 243135463 : REDIRECT *temp;</span></a>
<a name="221"><span class="lineNum"> 221 </span> : </a>
<a name="222"><span class="lineNum"> 222 </span><span class="lineCov"> 243135463 : if (flags &amp; RX_UNDOABLE)</span></a>
<a name="223"><span class="lineNum"> 223 </span> : {</a>
<a name="224"><span class="lineNum"> 224 </span><span class="lineCov"> 218101910 : if (redirection_undo_list)</span></a>
<a name="225"><span class="lineNum"> 225 </span> : {</a>
<a name="226"><span class="lineNum"> 226 </span><span class="lineNoCov"> 0 : dispose_redirects (redirection_undo_list);</span></a>
<a name="227"><span class="lineNum"> 227 </span><span class="lineNoCov"> 0 : redirection_undo_list = (REDIRECT *)NULL;</span></a>
<a name="228"><span class="lineNum"> 228 </span> : }</a>
<a name="229"><span class="lineNum"> 229 </span><span class="lineCov"> 218101910 : if (exec_redirection_undo_list)</span></a>
<a name="230"><span class="lineNum"> 230 </span><span class="lineCov"> 167 : dispose_exec_redirects ();</span></a>
<a name="231"><span class="lineNum"> 231 </span> : }</a>
<a name="232"><span class="lineNum"> 232 </span> : </a>
<a name="233"><span class="lineNum"> 233 </span><span class="lineCov"> 243161350 : for (temp = list; temp; temp = temp-&gt;next)</span></a>
<a name="234"><span class="lineNum"> 234 </span> : {</a>
<a name="235"><span class="lineNum"> 235 </span><span class="lineCov"> 160634 : error = do_redirection_internal (temp, flags);</span></a>
<a name="236"><span class="lineNum"> 236 </span><span class="lineCov"> 160606 : if (error)</span></a>
<a name="237"><span class="lineNum"> 237 </span> : {</a>
<a name="238"><span class="lineNum"> 238 </span><span class="lineCov"> 134719 : redirection_error (temp, error);</span></a>
<a name="239"><span class="lineNum"> 239 </span><span class="lineCov"> 134719 : return (error);</span></a>
<a name="240"><span class="lineNum"> 240 </span> : }</a>
<a name="241"><span class="lineNum"> 241 </span> : }</a>
<a name="242"><span class="lineNum"> 242 </span> : return (0);</a>
<a name="243"><span class="lineNum"> 243 </span> : }</a>
<a name="244"><span class="lineNum"> 244 </span> : </a>
<a name="245"><span class="lineNum"> 245 </span> : /* Return non-zero if the redirection pointed to by REDIRECT has a</a>
<a name="246"><span class="lineNum"> 246 </span> : redirectee.filename that can be expanded. */</a>
<a name="247"><span class="lineNum"> 247 </span> : static int</a>
<a name="248"><span class="lineNum"> 248 </span><span class="lineNoCov"> 0 : expandable_redirection_filename (redirect)</span></a>
<a name="249"><span class="lineNum"> 249 </span> : REDIRECT *redirect;</a>
<a name="250"><span class="lineNum"> 250 </span> : {</a>
<a name="251"><span class="lineNum"> 251 </span><span class="lineCov"> 134677 : switch (redirect-&gt;instruction)</span></a>
<a name="252"><span class="lineNum"> 252 </span> : {</a>
<a name="253"><span class="lineNum"> 253 </span> : case r_output_direction:</a>
<a name="254"><span class="lineNum"> 254 </span> : case r_appending_to:</a>
<a name="255"><span class="lineNum"> 255 </span> : case r_input_direction:</a>
<a name="256"><span class="lineNum"> 256 </span> : case r_inputa_direction:</a>
<a name="257"><span class="lineNum"> 257 </span> : case r_err_and_out:</a>
<a name="258"><span class="lineNum"> 258 </span> : case r_append_err_and_out:</a>
<a name="259"><span class="lineNum"> 259 </span> : case r_input_output:</a>
<a name="260"><span class="lineNum"> 260 </span> : case r_output_force:</a>
<a name="261"><span class="lineNum"> 261 </span> : case r_duplicating_input_word:</a>
<a name="262"><span class="lineNum"> 262 </span> : case r_duplicating_output_word:</a>
<a name="263"><span class="lineNum"> 263 </span> : case r_move_input_word:</a>
<a name="264"><span class="lineNum"> 264 </span> : case r_move_output_word:</a>
<a name="265"><span class="lineNum"> 265 </span> : return 1;</a>
<a name="266"><span class="lineNum"> 266 </span> : </a>
<a name="267"><span class="lineNum"> 267 </span><span class="lineNoCov"> 0 : default:</span></a>
<a name="268"><span class="lineNum"> 268 </span><span class="lineNoCov"> 0 : return 0;</span></a>
<a name="269"><span class="lineNum"> 269 </span> : }</a>
<a name="270"><span class="lineNum"> 270 </span> : }</a>
<a name="271"><span class="lineNum"> 271 </span> : </a>
<a name="272"><span class="lineNum"> 272 </span> : /* Expand the word in WORD returning a string. If WORD expands to</a>
<a name="273"><span class="lineNum"> 273 </span> : multiple words (or no words), then return NULL. */</a>
<a name="274"><span class="lineNum"> 274 </span> : char *</a>
<a name="275"><span class="lineNum"> 275 </span><span class="lineCov"> 290888 : redirection_expand (word)</span></a>
<a name="276"><span class="lineNum"> 276 </span> : WORD_DESC *word;</a>
<a name="277"><span class="lineNum"> 277 </span> : {</a>
<a name="278"><span class="lineNum"> 278 </span><span class="lineCov"> 290888 : char *result;</span></a>
<a name="279"><span class="lineNum"> 279 </span><span class="lineCov"> 290888 : WORD_LIST *tlist1, *tlist2;</span></a>
<a name="280"><span class="lineNum"> 280 </span><span class="lineCov"> 290888 : WORD_DESC *w;</span></a>
<a name="281"><span class="lineNum"> 281 </span><span class="lineCov"> 290888 : int old;</span></a>
<a name="282"><span class="lineNum"> 282 </span> : </a>
<a name="283"><span class="lineNum"> 283 </span><span class="lineCov"> 290888 : w = copy_word (word);</span></a>
<a name="284"><span class="lineNum"> 284 </span><span class="lineCov"> 290888 : if (posixly_correct)</span></a>
<a name="285"><span class="lineNum"> 285 </span><span class="lineNoCov"> 0 : w-&gt;flags |= W_NOSPLIT;</span></a>
<a name="286"><span class="lineNum"> 286 </span> : </a>
<a name="287"><span class="lineNum"> 287 </span><span class="lineCov"> 290888 : tlist1 = make_word_list (w, (WORD_LIST *)NULL);</span></a>
<a name="288"><span class="lineNum"> 288 </span><span class="lineCov"> 290888 : expanding_redir = 1;</span></a>
<a name="289"><span class="lineNum"> 289 </span> : /* Now that we've changed the variable search order to ignore the temp</a>
<a name="290"><span class="lineNum"> 290 </span> : environment, see if we need to change the cached IFS values. */</a>
<a name="291"><span class="lineNum"> 291 </span><span class="lineCov"> 290888 : sv_ifs (&quot;IFS&quot;);</span></a>
<a name="292"><span class="lineNum"> 292 </span><span class="lineCov"> 290888 : tlist2 = expand_words_no_vars (tlist1);</span></a>
<a name="293"><span class="lineNum"> 293 </span><span class="lineCov"> 290878 : expanding_redir = 0;</span></a>
<a name="294"><span class="lineNum"> 294 </span> : /* Now we need to change the variable search order back to include the temp</a>
<a name="295"><span class="lineNum"> 295 </span> : environment. We force the temp environment search by forcing</a>
<a name="296"><span class="lineNum"> 296 </span> : executing_builtin to 1. This is what makes `read' get the right values</a>
<a name="297"><span class="lineNum"> 297 </span> : for the IFS-related cached variables, for example. */</a>
<a name="298"><span class="lineNum"> 298 </span><span class="lineCov"> 290878 : old = executing_builtin;</span></a>
<a name="299"><span class="lineNum"> 299 </span><span class="lineCov"> 290878 : executing_builtin = 1;</span></a>
<a name="300"><span class="lineNum"> 300 </span><span class="lineCov"> 290878 : sv_ifs (&quot;IFS&quot;);</span></a>
<a name="301"><span class="lineNum"> 301 </span><span class="lineCov"> 290878 : executing_builtin = old;</span></a>
<a name="302"><span class="lineNum"> 302 </span><span class="lineCov"> 290878 : dispose_words (tlist1);</span></a>
<a name="303"><span class="lineNum"> 303 </span> : </a>
<a name="304"><span class="lineNum"> 304 </span><span class="lineCov"> 290878 : if (tlist2 == 0 || tlist2-&gt;next)</span></a>
<a name="305"><span class="lineNum"> 305 </span> : {</a>
<a name="306"><span class="lineNum"> 306 </span> : /* We expanded to no words, or to more than a single word.</a>
<a name="307"><span class="lineNum"> 307 </span> : Dispose of the word list and return NULL. */</a>
<a name="308"><span class="lineNum"> 308 </span><span class="lineCov"> 641 : if (tlist2)</span></a>
<a name="309"><span class="lineNum"> 309 </span><span class="lineCov"> 619 : dispose_words (tlist2);</span></a>
<a name="310"><span class="lineNum"> 310 </span><span class="lineCov"> 641 : return ((char *)NULL);</span></a>
<a name="311"><span class="lineNum"> 311 </span> : }</a>
<a name="312"><span class="lineNum"> 312 </span><span class="lineCov"> 290237 : result = string_list (tlist2); /* XXX savestring (tlist2-&gt;word-&gt;word)? */</span></a>
<a name="313"><span class="lineNum"> 313 </span><span class="lineCov"> 290237 : dispose_words (tlist2);</span></a>
<a name="314"><span class="lineNum"> 314 </span><span class="lineCov"> 290237 : return (result);</span></a>
<a name="315"><span class="lineNum"> 315 </span> : }</a>
<a name="316"><span class="lineNum"> 316 </span> : </a>
<a name="317"><span class="lineNum"> 317 </span> : static int</a>
<a name="318"><span class="lineNum"> 318 </span><span class="lineNoCov"> 0 : write_here_string (fd, redirectee)</span></a>
<a name="319"><span class="lineNum"> 319 </span> : int fd;</a>
<a name="320"><span class="lineNum"> 320 </span> : WORD_DESC *redirectee;</a>
<a name="321"><span class="lineNum"> 321 </span> : {</a>
<a name="322"><span class="lineNum"> 322 </span><span class="lineNoCov"> 0 : char *herestr;</span></a>
<a name="323"><span class="lineNum"> 323 </span><span class="lineNoCov"> 0 : int herelen, n, e, old;</span></a>
<a name="324"><span class="lineNum"> 324 </span> : </a>
<a name="325"><span class="lineNum"> 325 </span><span class="lineNoCov"> 0 : expanding_redir = 1;</span></a>
<a name="326"><span class="lineNum"> 326 </span> : /* Now that we've changed the variable search order to ignore the temp</a>
<a name="327"><span class="lineNum"> 327 </span> : environment, see if we need to change the cached IFS values. */</a>
<a name="328"><span class="lineNum"> 328 </span><span class="lineNoCov"> 0 : sv_ifs (&quot;IFS&quot;);</span></a>
<a name="329"><span class="lineNum"> 329 </span><span class="lineNoCov"> 0 : herestr = expand_string_unsplit_to_string (redirectee-&gt;word, 0);</span></a>
<a name="330"><span class="lineNum"> 330 </span><span class="lineNoCov"> 0 : expanding_redir = 0;</span></a>
<a name="331"><span class="lineNum"> 331 </span> : /* Now we need to change the variable search order back to include the temp</a>
<a name="332"><span class="lineNum"> 332 </span> : environment. We force the temp environment search by forcing</a>
<a name="333"><span class="lineNum"> 333 </span> : executing_builtin to 1. This is what makes `read' get the right values</a>
<a name="334"><span class="lineNum"> 334 </span> : for the IFS-related cached variables, for example. */</a>
<a name="335"><span class="lineNum"> 335 </span><span class="lineNoCov"> 0 : old = executing_builtin;</span></a>
<a name="336"><span class="lineNum"> 336 </span><span class="lineNoCov"> 0 : executing_builtin = 1;</span></a>
<a name="337"><span class="lineNum"> 337 </span><span class="lineNoCov"> 0 : sv_ifs (&quot;IFS&quot;);</span></a>
<a name="338"><span class="lineNum"> 338 </span><span class="lineNoCov"> 0 : executing_builtin = old;</span></a>
<a name="339"><span class="lineNum"> 339 </span> : </a>
<a name="340"><span class="lineNum"> 340 </span><span class="lineNoCov"> 0 : herelen = STRLEN (herestr);</span></a>
<a name="341"><span class="lineNum"> 341 </span> : </a>
<a name="342"><span class="lineNum"> 342 </span><span class="lineNoCov"> 0 : n = write (fd, herestr, herelen);</span></a>
<a name="343"><span class="lineNum"> 343 </span><span class="lineNoCov"> 0 : if (n == herelen)</span></a>
<a name="344"><span class="lineNum"> 344 </span> : {</a>
<a name="345"><span class="lineNum"> 345 </span><span class="lineNoCov"> 0 : n = write (fd, &quot;\n&quot;, 1);</span></a>
<a name="346"><span class="lineNum"> 346 </span><span class="lineNoCov"> 0 : herelen = 1;</span></a>
<a name="347"><span class="lineNum"> 347 </span> : }</a>
<a name="348"><span class="lineNum"> 348 </span><span class="lineNoCov"> 0 : e = errno;</span></a>
<a name="349"><span class="lineNum"> 349 </span><span class="lineNoCov"> 0 : FREE (herestr);</span></a>
<a name="350"><span class="lineNum"> 350 </span><span class="lineNoCov"> 0 : if (n != herelen)</span></a>
<a name="351"><span class="lineNum"> 351 </span> : {</a>
<a name="352"><span class="lineNum"> 352 </span><span class="lineNoCov"> 0 : if (e == 0)</span></a>
<a name="353"><span class="lineNum"> 353 </span><span class="lineNoCov"> 0 : e = ENOSPC;</span></a>
<a name="354"><span class="lineNum"> 354 </span><span class="lineNoCov"> 0 : return e;</span></a>
<a name="355"><span class="lineNum"> 355 </span> : }</a>
<a name="356"><span class="lineNum"> 356 </span> : return 0;</a>
<a name="357"><span class="lineNum"> 357 </span> : } </a>
<a name="358"><span class="lineNum"> 358 </span> : </a>
<a name="359"><span class="lineNum"> 359 </span> : /* Write the text of the here document pointed to by REDIRECTEE to the file</a>
<a name="360"><span class="lineNum"> 360 </span> : descriptor FD, which is already open to a temp file. Return 0 if the</a>
<a name="361"><span class="lineNum"> 361 </span> : write is successful, otherwise return errno. */</a>
<a name="362"><span class="lineNum"> 362 </span> : static int</a>
<a name="363"><span class="lineNum"> 363 </span><span class="lineNoCov"> 0 : write_here_document (fd, redirectee)</span></a>
<a name="364"><span class="lineNum"> 364 </span> : int fd;</a>
<a name="365"><span class="lineNum"> 365 </span> : WORD_DESC *redirectee;</a>
<a name="366"><span class="lineNum"> 366 </span> : {</a>
<a name="367"><span class="lineNum"> 367 </span><span class="lineNoCov"> 0 : char *document;</span></a>
<a name="368"><span class="lineNum"> 368 </span><span class="lineNoCov"> 0 : int document_len, fd2, old;</span></a>
<a name="369"><span class="lineNum"> 369 </span><span class="lineNoCov"> 0 : FILE *fp;</span></a>
<a name="370"><span class="lineNum"> 370 </span><span class="lineNoCov"> 0 : register WORD_LIST *t, *tlist;</span></a>
<a name="371"><span class="lineNum"> 371 </span> : </a>
<a name="372"><span class="lineNum"> 372 </span> : /* Expand the text if the word that was specified had</a>
<a name="373"><span class="lineNum"> 373 </span> : no quoting. The text that we expand is treated</a>
<a name="374"><span class="lineNum"> 374 </span> : exactly as if it were surrounded by double quotes. */</a>
<a name="375"><span class="lineNum"> 375 </span> : </a>
<a name="376"><span class="lineNum"> 376 </span><span class="lineNoCov"> 0 : if (redirectee-&gt;flags &amp; W_QUOTED)</span></a>
<a name="377"><span class="lineNum"> 377 </span> : {</a>
<a name="378"><span class="lineNum"> 378 </span><span class="lineNoCov"> 0 : document = redirectee-&gt;word;</span></a>
<a name="379"><span class="lineNum"> 379 </span><span class="lineNoCov"> 0 : document_len = strlen (document);</span></a>
<a name="380"><span class="lineNum"> 380 </span> : /* Set errno to something reasonable if the write fails. */</a>
<a name="381"><span class="lineNum"> 381 </span><span class="lineNoCov"> 0 : if (write (fd, document, document_len) &lt; document_len)</span></a>
<a name="382"><span class="lineNum"> 382 </span> : {</a>
<a name="383"><span class="lineNum"> 383 </span><span class="lineNoCov"> 0 : if (errno == 0)</span></a>
<a name="384"><span class="lineNum"> 384 </span><span class="lineNoCov"> 0 : errno = ENOSPC;</span></a>
<a name="385"><span class="lineNum"> 385 </span><span class="lineNoCov"> 0 : return (errno);</span></a>
<a name="386"><span class="lineNum"> 386 </span> : }</a>
<a name="387"><span class="lineNum"> 387 </span> : else</a>
<a name="388"><span class="lineNum"> 388 </span><span class="lineNoCov"> 0 : return 0;</span></a>
<a name="389"><span class="lineNum"> 389 </span> : }</a>
<a name="390"><span class="lineNum"> 390 </span> : </a>
<a name="391"><span class="lineNum"> 391 </span><span class="lineNoCov"> 0 : expanding_redir = 1;</span></a>
<a name="392"><span class="lineNum"> 392 </span> : /* Now that we've changed the variable search order to ignore the temp</a>
<a name="393"><span class="lineNum"> 393 </span> : environment, see if we need to change the cached IFS values. */</a>
<a name="394"><span class="lineNum"> 394 </span><span class="lineNoCov"> 0 : sv_ifs (&quot;IFS&quot;);</span></a>
<a name="395"><span class="lineNum"> 395 </span><span class="lineNoCov"> 0 : tlist = expand_string (redirectee-&gt;word, Q_HERE_DOCUMENT);</span></a>
<a name="396"><span class="lineNum"> 396 </span><span class="lineNoCov"> 0 : expanding_redir = 0;</span></a>
<a name="397"><span class="lineNum"> 397 </span> : /* Now we need to change the variable search order back to include the temp</a>
<a name="398"><span class="lineNum"> 398 </span> : environment. We force the temp environment search by forcing</a>
<a name="399"><span class="lineNum"> 399 </span> : executing_builtin to 1. This is what makes `read' get the right values</a>
<a name="400"><span class="lineNum"> 400 </span> : for the IFS-related cached variables, for example. */</a>
<a name="401"><span class="lineNum"> 401 </span><span class="lineNoCov"> 0 : old = executing_builtin;</span></a>
<a name="402"><span class="lineNum"> 402 </span><span class="lineNoCov"> 0 : executing_builtin = 1;</span></a>
<a name="403"><span class="lineNum"> 403 </span><span class="lineNoCov"> 0 : sv_ifs (&quot;IFS&quot;);</span></a>
<a name="404"><span class="lineNum"> 404 </span><span class="lineNoCov"> 0 : executing_builtin = old;</span></a>
<a name="405"><span class="lineNum"> 405 </span> : </a>
<a name="406"><span class="lineNum"> 406 </span><span class="lineNoCov"> 0 : if (tlist)</span></a>
<a name="407"><span class="lineNum"> 407 </span> : {</a>
<a name="408"><span class="lineNum"> 408 </span> : /* Try using buffered I/O (stdio) and writing a word</a>
<a name="409"><span class="lineNum"> 409 </span> : at a time, letting stdio do the work of buffering</a>
<a name="410"><span class="lineNum"> 410 </span> : for us rather than managing our own strings. Most</a>
<a name="411"><span class="lineNum"> 411 </span> : stdios are not particularly fast, however -- this</a>
<a name="412"><span class="lineNum"> 412 </span> : may need to be reconsidered later. */</a>
<a name="413"><span class="lineNum"> 413 </span><span class="lineNoCov"> 0 : if ((fd2 = dup (fd)) &lt; 0 || (fp = fdopen (fd2, &quot;w&quot;)) == NULL)</span></a>
<a name="414"><span class="lineNum"> 414 </span> : {</a>
<a name="415"><span class="lineNum"> 415 </span><span class="lineNoCov"> 0 : old = errno;</span></a>
<a name="416"><span class="lineNum"> 416 </span><span class="lineNoCov"> 0 : if (fd2 &gt;= 0)</span></a>
<a name="417"><span class="lineNum"> 417 </span><span class="lineNoCov"> 0 : close (fd2);</span></a>
<a name="418"><span class="lineNum"> 418 </span><span class="lineNoCov"> 0 : dispose_words (tlist);</span></a>
<a name="419"><span class="lineNum"> 419 </span><span class="lineNoCov"> 0 : errno = old;</span></a>
<a name="420"><span class="lineNum"> 420 </span><span class="lineNoCov"> 0 : return (errno);</span></a>
<a name="421"><span class="lineNum"> 421 </span> : }</a>
<a name="422"><span class="lineNum"> 422 </span><span class="lineNoCov"> 0 : errno = 0;</span></a>
<a name="423"><span class="lineNum"> 423 </span><span class="lineNoCov"> 0 : for (t = tlist; t; t = t-&gt;next)</span></a>
<a name="424"><span class="lineNum"> 424 </span> : {</a>
<a name="425"><span class="lineNum"> 425 </span> : /* This is essentially the body of</a>
<a name="426"><span class="lineNum"> 426 </span> : string_list_internal expanded inline. */</a>
<a name="427"><span class="lineNum"> 427 </span><span class="lineNoCov"> 0 : document = t-&gt;word-&gt;word;</span></a>
<a name="428"><span class="lineNum"> 428 </span><span class="lineNoCov"> 0 : document_len = strlen (document);</span></a>
<a name="429"><span class="lineNum"> 429 </span><span class="lineNoCov"> 0 : if (t != tlist)</span></a>
<a name="430"><span class="lineNum"> 430 </span><span class="lineNoCov"> 0 : putc (' ', fp); /* separator */</span></a>
<a name="431"><span class="lineNum"> 431 </span><span class="lineNoCov"> 0 : fwrite (document, document_len, 1, fp);</span></a>
<a name="432"><span class="lineNum"> 432 </span><span class="lineNoCov"> 0 : if (ferror (fp))</span></a>
<a name="433"><span class="lineNum"> 433 </span> : {</a>
<a name="434"><span class="lineNum"> 434 </span><span class="lineNoCov"> 0 : if (errno == 0)</span></a>
<a name="435"><span class="lineNum"> 435 </span><span class="lineNoCov"> 0 : errno = ENOSPC;</span></a>
<a name="436"><span class="lineNum"> 436 </span><span class="lineNoCov"> 0 : fd2 = errno;</span></a>
<a name="437"><span class="lineNum"> 437 </span><span class="lineNoCov"> 0 : fclose(fp);</span></a>
<a name="438"><span class="lineNum"> 438 </span><span class="lineNoCov"> 0 : dispose_words (tlist);</span></a>
<a name="439"><span class="lineNum"> 439 </span><span class="lineNoCov"> 0 : return (fd2);</span></a>
<a name="440"><span class="lineNum"> 440 </span> : }</a>
<a name="441"><span class="lineNum"> 441 </span> : }</a>
<a name="442"><span class="lineNum"> 442 </span><span class="lineNoCov"> 0 : dispose_words (tlist);</span></a>
<a name="443"><span class="lineNum"> 443 </span><span class="lineNoCov"> 0 : if (fclose (fp) != 0)</span></a>
<a name="444"><span class="lineNum"> 444 </span> : {</a>
<a name="445"><span class="lineNum"> 445 </span><span class="lineNoCov"> 0 : if (errno == 0)</span></a>
<a name="446"><span class="lineNum"> 446 </span><span class="lineNoCov"> 0 : errno = ENOSPC;</span></a>
<a name="447"><span class="lineNum"> 447 </span><span class="lineNoCov"> 0 : return (errno);</span></a>
<a name="448"><span class="lineNum"> 448 </span> : }</a>
<a name="449"><span class="lineNum"> 449 </span> : }</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> : /* Create a temporary file holding the text of the here document pointed to</a>
<a name="454"><span class="lineNum"> 454 </span> : by REDIRECTEE, and return a file descriptor open for reading to the temp</a>
<a name="455"><span class="lineNum"> 455 </span> : file. Return -1 on any error, and make sure errno is set appropriately. */</a>
<a name="456"><span class="lineNum"> 456 </span> : static int</a>
<a name="457"><span class="lineNum"> 457 </span><span class="lineCov"> 148 : here_document_to_fd (redirectee, ri)</span></a>
<a name="458"><span class="lineNum"> 458 </span> : WORD_DESC *redirectee;</a>
<a name="459"><span class="lineNum"> 459 </span> : enum r_instruction ri;</a>
<a name="460"><span class="lineNum"> 460 </span> : {</a>
<a name="461"><span class="lineNum"> 461 </span><span class="lineCov"> 148 : char *filename;</span></a>
<a name="462"><span class="lineNum"> 462 </span><span class="lineCov"> 148 : int r, fd, fd2;</span></a>
<a name="463"><span class="lineNum"> 463 </span> : </a>
<a name="464"><span class="lineNum"> 464 </span><span class="lineCov"> 148 : fd = sh_mktmpfd (&quot;sh-thd&quot;, MT_USETMPDIR, &amp;filename);</span></a>
<a name="465"><span class="lineNum"> 465 </span> : </a>
<a name="466"><span class="lineNum"> 466 </span> : /* If we failed for some reason other than the file existing, abort */</a>
<a name="467"><span class="lineNum"> 467 </span><span class="lineCov"> 148 : if (fd &lt; 0)</span></a>
<a name="468"><span class="lineNum"> 468 </span> : {</a>
<a name="469"><span class="lineNum"> 469 </span><span class="lineNoCov"> 0 : FREE (filename);</span></a>
<a name="470"><span class="lineNum"> 470 </span><span class="lineNoCov"> 0 : return (fd);</span></a>
<a name="471"><span class="lineNum"> 471 </span> : }</a>
<a name="472"><span class="lineNum"> 472 </span> : </a>
<a name="473"><span class="lineNum"> 473 </span><span class="lineCov"> 148 : SET_CLOSE_ON_EXEC (fd);</span></a>
<a name="474"><span class="lineNum"> 474 </span> : </a>
<a name="475"><span class="lineNum"> 475 </span><span class="lineCov"> 148 : errno = r = 0; /* XXX */</span></a>
<a name="476"><span class="lineNum"> 476 </span> : /* write_here_document returns 0 on success, errno on failure. */</a>
<a name="477"><span class="lineNum"> 477 </span><span class="lineCov"> 148 : if (redirectee-&gt;word)</span></a>
<a name="478"><span class="lineNum"> 478 </span><span class="lineCov"> 128 : r = (ri != r_reading_string) ? write_here_document (fd, redirectee)</span></a>
<a name="479"><span class="lineNum"> 479 </span><span class="lineCov"> 148 : : write_here_string (fd, redirectee);</span></a>
<a name="480"><span class="lineNum"> 480 </span> : </a>
<a name="481"><span class="lineNum"> 481 </span><span class="lineCov"> 130 : if (r)</span></a>
<a name="482"><span class="lineNum"> 482 </span> : {</a>
<a name="483"><span class="lineNum"> 483 </span><span class="lineNoCov"> 0 : close (fd);</span></a>
<a name="484"><span class="lineNum"> 484 </span><span class="lineNoCov"> 0 : unlink (filename);</span></a>
<a name="485"><span class="lineNum"> 485 </span><span class="lineNoCov"> 0 : free (filename);</span></a>
<a name="486"><span class="lineNum"> 486 </span><span class="lineNoCov"> 0 : errno = r;</span></a>
<a name="487"><span class="lineNum"> 487 </span><span class="lineNoCov"> 0 : return (-1);</span></a>
<a name="488"><span class="lineNum"> 488 </span> : }</a>
<a name="489"><span class="lineNum"> 489 </span> : </a>
<a name="490"><span class="lineNum"> 490 </span> : /* In an attempt to avoid races, we close the first fd only after opening</a>
<a name="491"><span class="lineNum"> 491 </span> : the second. */</a>
<a name="492"><span class="lineNum"> 492 </span> : /* Make the document really temporary. Also make it the input. */</a>
<a name="493"><span class="lineNum"> 493 </span><span class="lineCov"> 130 : fd2 = open (filename, O_RDONLY|O_BINARY, 0600);</span></a>
<a name="494"><span class="lineNum"> 494 </span> : </a>
<a name="495"><span class="lineNum"> 495 </span><span class="lineCov"> 130 : if (fd2 &lt; 0)</span></a>
<a name="496"><span class="lineNum"> 496 </span> : {</a>
<a name="497"><span class="lineNum"> 497 </span><span class="lineNoCov"> 0 : r = errno;</span></a>
<a name="498"><span class="lineNum"> 498 </span><span class="lineNoCov"> 0 : unlink (filename);</span></a>
<a name="499"><span class="lineNum"> 499 </span><span class="lineNoCov"> 0 : free (filename);</span></a>
<a name="500"><span class="lineNum"> 500 </span><span class="lineNoCov"> 0 : close (fd);</span></a>
<a name="501"><span class="lineNum"> 501 </span><span class="lineNoCov"> 0 : errno = r;</span></a>
<a name="502"><span class="lineNum"> 502 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="503"><span class="lineNum"> 503 </span> : }</a>
<a name="504"><span class="lineNum"> 504 </span> : </a>
<a name="505"><span class="lineNum"> 505 </span><span class="lineCov"> 130 : close (fd);</span></a>
<a name="506"><span class="lineNum"> 506 </span><span class="lineCov"> 130 : if (unlink (filename) &lt; 0)</span></a>
<a name="507"><span class="lineNum"> 507 </span> : {</a>
<a name="508"><span class="lineNum"> 508 </span><span class="lineNoCov"> 0 : r = errno;</span></a>
<a name="509"><span class="lineNum"> 509 </span><span class="lineNoCov"> 0 : close (fd2);</span></a>
<a name="510"><span class="lineNum"> 510 </span><span class="lineNoCov"> 0 : free (filename);</span></a>
<a name="511"><span class="lineNum"> 511 </span><span class="lineNoCov"> 0 : errno = r;</span></a>
<a name="512"><span class="lineNum"> 512 </span><span class="lineNoCov"> 0 : return (-1);</span></a>
<a name="513"><span class="lineNum"> 513 </span> : }</a>
<a name="514"><span class="lineNum"> 514 </span> : </a>
<a name="515"><span class="lineNum"> 515 </span><span class="lineCov"> 130 : free (filename);</span></a>
<a name="516"><span class="lineNum"> 516 </span><span class="lineCov"> 130 : return (fd2);</span></a>
<a name="517"><span class="lineNum"> 517 </span> : }</a>
<a name="518"><span class="lineNum"> 518 </span> : </a>
<a name="519"><span class="lineNum"> 519 </span> : #define RF_DEVFD 1</a>
<a name="520"><span class="lineNum"> 520 </span> : #define RF_DEVSTDERR 2</a>
<a name="521"><span class="lineNum"> 521 </span> : #define RF_DEVSTDIN 3</a>
<a name="522"><span class="lineNum"> 522 </span> : #define RF_DEVSTDOUT 4</a>
<a name="523"><span class="lineNum"> 523 </span> : #define RF_DEVTCP 5</a>
<a name="524"><span class="lineNum"> 524 </span> : #define RF_DEVUDP 6</a>
<a name="525"><span class="lineNum"> 525 </span> : </a>
<a name="526"><span class="lineNum"> 526 </span> : /* A list of pattern/value pairs for filenames that the redirection</a>
<a name="527"><span class="lineNum"> 527 </span> : code handles specially. */</a>
<a name="528"><span class="lineNum"> 528 </span> : static STRING_INT_ALIST _redir_special_filenames[] = {</a>
<a name="529"><span class="lineNum"> 529 </span> : #if !defined (HAVE_DEV_FD)</a>
<a name="530"><span class="lineNum"> 530 </span> : { &quot;/dev/fd/[0-9]*&quot;, RF_DEVFD },</a>
<a name="531"><span class="lineNum"> 531 </span> : #endif</a>
<a name="532"><span class="lineNum"> 532 </span> : #if !defined (HAVE_DEV_STDIN)</a>
<a name="533"><span class="lineNum"> 533 </span> : { &quot;/dev/stderr&quot;, RF_DEVSTDERR },</a>
<a name="534"><span class="lineNum"> 534 </span> : { &quot;/dev/stdin&quot;, RF_DEVSTDIN },</a>
<a name="535"><span class="lineNum"> 535 </span> : { &quot;/dev/stdout&quot;, RF_DEVSTDOUT },</a>
<a name="536"><span class="lineNum"> 536 </span> : #endif</a>
<a name="537"><span class="lineNum"> 537 </span> : #if defined (NETWORK_REDIRECTIONS)</a>
<a name="538"><span class="lineNum"> 538 </span> : { &quot;/dev/tcp/*/*&quot;, RF_DEVTCP },</a>
<a name="539"><span class="lineNum"> 539 </span> : { &quot;/dev/udp/*/*&quot;, RF_DEVUDP },</a>
<a name="540"><span class="lineNum"> 540 </span> : #endif</a>
<a name="541"><span class="lineNum"> 541 </span> : { (char *)NULL, -1 }</a>
<a name="542"><span class="lineNum"> 542 </span> : };</a>
<a name="543"><span class="lineNum"> 543 </span> : </a>
<a name="544"><span class="lineNum"> 544 </span> : static int</a>
<a name="545"><span class="lineNum"> 545 </span><span class="lineNoCov"> 0 : redir_special_open (spec, filename, flags, mode, ri)</span></a>
<a name="546"><span class="lineNum"> 546 </span> : int spec;</a>
<a name="547"><span class="lineNum"> 547 </span> : char *filename;</a>
<a name="548"><span class="lineNum"> 548 </span> : int flags, mode;</a>
<a name="549"><span class="lineNum"> 549 </span> : enum r_instruction ri;</a>
<a name="550"><span class="lineNum"> 550 </span> : {</a>
<a name="551"><span class="lineNum"> 551 </span><span class="lineNoCov"> 0 : int fd;</span></a>
<a name="552"><span class="lineNum"> 552 </span> : #if !defined (HAVE_DEV_FD)</a>
<a name="553"><span class="lineNum"> 553 </span> : intmax_t lfd;</a>
<a name="554"><span class="lineNum"> 554 </span> : #endif</a>
<a name="555"><span class="lineNum"> 555 </span> : </a>
<a name="556"><span class="lineNum"> 556 </span><span class="lineNoCov"> 0 : fd = -1;</span></a>
<a name="557"><span class="lineNum"> 557 </span><span class="lineNoCov"> 0 : switch (spec)</span></a>
<a name="558"><span class="lineNum"> 558 </span> : {</a>
<a name="559"><span class="lineNum"> 559 </span> : #if !defined (HAVE_DEV_FD)</a>
<a name="560"><span class="lineNum"> 560 </span> : case RF_DEVFD:</a>
<a name="561"><span class="lineNum"> 561 </span> : if (all_digits (filename+8) &amp;&amp; legal_number (filename+8, &amp;lfd) &amp;&amp; lfd == (int)lfd)</a>
<a name="562"><span class="lineNum"> 562 </span> : {</a>
<a name="563"><span class="lineNum"> 563 </span> : fd = lfd;</a>
<a name="564"><span class="lineNum"> 564 </span> : fd = fcntl (fd, F_DUPFD, SHELL_FD_BASE);</a>
<a name="565"><span class="lineNum"> 565 </span> : }</a>
<a name="566"><span class="lineNum"> 566 </span> : else</a>
<a name="567"><span class="lineNum"> 567 </span> : fd = AMBIGUOUS_REDIRECT;</a>
<a name="568"><span class="lineNum"> 568 </span> : break;</a>
<a name="569"><span class="lineNum"> 569 </span> : #endif</a>
<a name="570"><span class="lineNum"> 570 </span> : </a>
<a name="571"><span class="lineNum"> 571 </span> : #if !defined (HAVE_DEV_STDIN)</a>
<a name="572"><span class="lineNum"> 572 </span> : case RF_DEVSTDIN:</a>
<a name="573"><span class="lineNum"> 573 </span> : fd = fcntl (0, F_DUPFD, SHELL_FD_BASE);</a>
<a name="574"><span class="lineNum"> 574 </span> : break;</a>
<a name="575"><span class="lineNum"> 575 </span> : case RF_DEVSTDOUT:</a>
<a name="576"><span class="lineNum"> 576 </span> : fd = fcntl (1, F_DUPFD, SHELL_FD_BASE);</a>
<a name="577"><span class="lineNum"> 577 </span> : break;</a>
<a name="578"><span class="lineNum"> 578 </span> : case RF_DEVSTDERR:</a>
<a name="579"><span class="lineNum"> 579 </span> : fd = fcntl (2, F_DUPFD, SHELL_FD_BASE);</a>
<a name="580"><span class="lineNum"> 580 </span> : break;</a>
<a name="581"><span class="lineNum"> 581 </span> : #endif</a>
<a name="582"><span class="lineNum"> 582 </span> : </a>
<a name="583"><span class="lineNum"> 583 </span> : #if defined (NETWORK_REDIRECTIONS)</a>
<a name="584"><span class="lineNum"> 584 </span> : case RF_DEVTCP:</a>
<a name="585"><span class="lineNum"> 585 </span> : case RF_DEVUDP:</a>
<a name="586"><span class="lineNum"> 586 </span> : #if defined (HAVE_NETWORK)</a>
<a name="587"><span class="lineNum"> 587 </span> : fd = netopen (filename);</a>
<a name="588"><span class="lineNum"> 588 </span> : #else</a>
<a name="589"><span class="lineNum"> 589 </span> : internal_warning (_(&quot;/dev/(tcp|udp)/host/port not supported without networking&quot;));</a>
<a name="590"><span class="lineNum"> 590 </span> : fd = open (filename, flags, mode);</a>
<a name="591"><span class="lineNum"> 591 </span> : #endif</a>
<a name="592"><span class="lineNum"> 592 </span> : break;</a>
<a name="593"><span class="lineNum"> 593 </span> : #endif /* NETWORK_REDIRECTIONS */</a>
<a name="594"><span class="lineNum"> 594 </span><span class="lineNoCov"> 0 : }</span></a>
<a name="595"><span class="lineNum"> 595 </span> : </a>
<a name="596"><span class="lineNum"> 596 </span><span class="lineNoCov"> 0 : return fd;</span></a>
<a name="597"><span class="lineNum"> 597 </span> : }</a>
<a name="598"><span class="lineNum"> 598 </span> : </a>
<a name="599"><span class="lineNum"> 599 </span> : /* Open FILENAME with FLAGS in noclobber mode, hopefully avoiding most</a>
<a name="600"><span class="lineNum"> 600 </span> : race conditions and avoiding the problem where the file is replaced</a>
<a name="601"><span class="lineNum"> 601 </span> : between the stat(2) and open(2). */</a>
<a name="602"><span class="lineNum"> 602 </span> : static int</a>
<a name="603"><span class="lineNum"> 603 </span><span class="lineNoCov"> 0 : noclobber_open (filename, flags, mode, ri)</span></a>
<a name="604"><span class="lineNum"> 604 </span> : char *filename;</a>
<a name="605"><span class="lineNum"> 605 </span> : int flags, mode;</a>
<a name="606"><span class="lineNum"> 606 </span> : enum r_instruction ri;</a>
<a name="607"><span class="lineNum"> 607 </span> : {</a>
<a name="608"><span class="lineNum"> 608 </span><span class="lineNoCov"> 0 : int r, fd;</span></a>
<a name="609"><span class="lineNum"> 609 </span><span class="lineNoCov"> 0 : struct stat finfo, finfo2;</span></a>
<a name="610"><span class="lineNum"> 610 </span> : </a>
<a name="611"><span class="lineNum"> 611 </span> : /* If the file exists and is a regular file, return an error</a>
<a name="612"><span class="lineNum"> 612 </span> : immediately. */</a>
<a name="613"><span class="lineNum"> 613 </span><span class="lineNoCov"> 0 : r = stat (filename, &amp;finfo);</span></a>
<a name="614"><span class="lineNum"> 614 </span><span class="lineNoCov"> 0 : if (r == 0 &amp;&amp; (S_ISREG (finfo.st_mode)))</span></a>
<a name="615"><span class="lineNum"> 615 </span><span class="lineNoCov"> 0 : return (NOCLOBBER_REDIRECT);</span></a>
<a name="616"><span class="lineNum"> 616 </span> : </a>
<a name="617"><span class="lineNum"> 617 </span> : /* If the file was not present (r != 0), make sure we open it</a>
<a name="618"><span class="lineNum"> 618 </span> : exclusively so that if it is created before we open it, our open</a>
<a name="619"><span class="lineNum"> 619 </span> : will fail. Make sure that we do not truncate an existing file.</a>
<a name="620"><span class="lineNum"> 620 </span> : Note that we don't turn on O_EXCL unless the stat failed -- if</a>
<a name="621"><span class="lineNum"> 621 </span> : the file was not a regular file, we leave O_EXCL off. */</a>
<a name="622"><span class="lineNum"> 622 </span><span class="lineNoCov"> 0 : flags &amp;= ~O_TRUNC;</span></a>
<a name="623"><span class="lineNum"> 623 </span><span class="lineNoCov"> 0 : if (r != 0)</span></a>
<a name="624"><span class="lineNum"> 624 </span> : {</a>
<a name="625"><span class="lineNum"> 625 </span><span class="lineNoCov"> 0 : fd = open (filename, flags|O_EXCL, mode);</span></a>
<a name="626"><span class="lineNum"> 626 </span><span class="lineNoCov"> 0 : return ((fd &lt; 0 &amp;&amp; errno == EEXIST) ? NOCLOBBER_REDIRECT : fd);</span></a>
<a name="627"><span class="lineNum"> 627 </span> : }</a>
<a name="628"><span class="lineNum"> 628 </span><span class="lineNoCov"> 0 : fd = open (filename, flags, mode);</span></a>
<a name="629"><span class="lineNum"> 629 </span> : </a>
<a name="630"><span class="lineNum"> 630 </span> : /* If the open failed, return the file descriptor right away. */</a>
<a name="631"><span class="lineNum"> 631 </span><span class="lineNoCov"> 0 : if (fd &lt; 0)</span></a>
<a name="632"><span class="lineNum"> 632 </span><span class="lineNoCov"> 0 : return (errno == EEXIST ? NOCLOBBER_REDIRECT : fd);</span></a>
<a name="633"><span class="lineNum"> 633 </span> : </a>
<a name="634"><span class="lineNum"> 634 </span> : /* OK, the open succeeded, but the file may have been changed from a</a>
<a name="635"><span class="lineNum"> 635 </span> : non-regular file to a regular file between the stat and the open.</a>
<a name="636"><span class="lineNum"> 636 </span> : We are assuming that the O_EXCL open handles the case where FILENAME</a>
<a name="637"><span class="lineNum"> 637 </span> : did not exist and is symlinked to an existing file between the stat</a>
<a name="638"><span class="lineNum"> 638 </span> : and open. */</a>
<a name="639"><span class="lineNum"> 639 </span> : </a>
<a name="640"><span class="lineNum"> 640 </span> : /* If we can open it and fstat the file descriptor, and neither check</a>
<a name="641"><span class="lineNum"> 641 </span> : revealed that it was a regular file, and the file has not been replaced,</a>
<a name="642"><span class="lineNum"> 642 </span> : return the file descriptor. */</a>
<a name="643"><span class="lineNum"> 643 </span><span class="lineNoCov"> 0 : if ((fstat (fd, &amp;finfo2) == 0) &amp;&amp; (S_ISREG (finfo2.st_mode) == 0) &amp;&amp;</span></a>
<a name="644"><span class="lineNum"> 644 </span><span class="lineNoCov"> 0 : r == 0 &amp;&amp; (S_ISREG (finfo.st_mode) == 0) &amp;&amp;</span></a>
<a name="645"><span class="lineNum"> 645 </span><span class="lineNoCov"> 0 : same_file (filename, filename, &amp;finfo, &amp;finfo2))</span></a>
<a name="646"><span class="lineNum"> 646 </span><span class="lineNoCov"> 0 : return fd;</span></a>
<a name="647"><span class="lineNum"> 647 </span> : </a>
<a name="648"><span class="lineNum"> 648 </span> : /* The file has been replaced. badness. */</a>
<a name="649"><span class="lineNum"> 649 </span><span class="lineNoCov"> 0 : close (fd); </span></a>
<a name="650"><span class="lineNum"> 650 </span><span class="lineNoCov"> 0 : errno = EEXIST;</span></a>
<a name="651"><span class="lineNum"> 651 </span><span class="lineNoCov"> 0 : return (NOCLOBBER_REDIRECT);</span></a>
<a name="652"><span class="lineNum"> 652 </span> : }</a>
<a name="653"><span class="lineNum"> 653 </span> : </a>
<a name="654"><span class="lineNum"> 654 </span> : static int</a>
<a name="655"><span class="lineNum"> 655 </span><span class="lineCov"> 156056 : redir_open (filename, flags, mode, ri)</span></a>
<a name="656"><span class="lineNum"> 656 </span> : char *filename;</a>
<a name="657"><span class="lineNum"> 657 </span> : int flags, mode;</a>
<a name="658"><span class="lineNum"> 658 </span> : enum r_instruction ri;</a>
<a name="659"><span class="lineNum"> 659 </span> : {</a>
<a name="660"><span class="lineNum"> 660 </span><span class="lineCov"> 156056 : int fd, r, e;</span></a>
<a name="661"><span class="lineNum"> 661 </span> : </a>
<a name="662"><span class="lineNum"> 662 </span><span class="lineCov"> 156056 : r = find_string_in_alist (filename, _redir_special_filenames, 1);</span></a>
<a name="663"><span class="lineNum"> 663 </span><span class="lineCov"> 156056 : if (r &gt;= 0)</span></a>
<a name="664"><span class="lineNum"> 664 </span> : return (redir_special_open (r, filename, flags, mode, ri));</a>
<a name="665"><span class="lineNum"> 665 </span> : </a>
<a name="666"><span class="lineNum"> 666 </span> : /* If we are in noclobber mode, you are not allowed to overwrite</a>
<a name="667"><span class="lineNum"> 667 </span> : existing files. Check before opening. */</a>
<a name="668"><span class="lineNum"> 668 </span><span class="lineCov"> 156056 : if (noclobber &amp;&amp; CLOBBERING_REDIRECT (ri))</span></a>
<a name="669"><span class="lineNum"> 669 </span> : {</a>
<a name="670"><span class="lineNum"> 670 </span><span class="lineNoCov"> 0 : fd = noclobber_open (filename, flags, mode, ri);</span></a>
<a name="671"><span class="lineNum"> 671 </span><span class="lineNoCov"> 0 : if (fd == NOCLOBBER_REDIRECT)</span></a>
<a name="672"><span class="lineNum"> 672 </span><span class="lineNoCov"> 0 : return (NOCLOBBER_REDIRECT);</span></a>
<a name="673"><span class="lineNum"> 673 </span> : }</a>
<a name="674"><span class="lineNum"> 674 </span> : else</a>
<a name="675"><span class="lineNum"> 675 </span> : {</a>
<a name="676"><span class="lineNum"> 676 </span><span class="lineCov"> 156056 : do</span></a>
<a name="677"><span class="lineNum"> 677 </span> : {</a>
<a name="678"><span class="lineNum"> 678 </span><span class="lineCov"> 156056 : fd = open (filename, flags, mode);</span></a>
<a name="679"><span class="lineNum"> 679 </span><span class="lineCov"> 156056 : e = errno;</span></a>
<a name="680"><span class="lineNum"> 680 </span><span class="lineCov"> 156056 : if (fd &lt; 0 &amp;&amp; e == EINTR)</span></a>
<a name="681"><span class="lineNum"> 681 </span> : {</a>
<a name="682"><span class="lineNum"> 682 </span><span class="lineNoCov"> 0 : QUIT;</span></a>
<a name="683"><span class="lineNum"> 683 </span><span class="lineNoCov"> 0 : run_pending_traps ();</span></a>
<a name="684"><span class="lineNum"> 684 </span> : }</a>
<a name="685"><span class="lineNum"> 685 </span><span class="lineCov"> 156056 : errno = e;</span></a>
<a name="686"><span class="lineNum"> 686 </span> : }</a>
<a name="687"><span class="lineNum"> 687 </span><span class="lineCov"> 156056 : while (fd &lt; 0 &amp;&amp; errno == EINTR);</span></a>
<a name="688"><span class="lineNum"> 688 </span> : </a>
<a name="689"><span class="lineNum"> 689 </span> : #if defined (AFS)</a>
<a name="690"><span class="lineNum"> 690 </span> : if ((fd &lt; 0) &amp;&amp; (errno == EACCES))</a>
<a name="691"><span class="lineNum"> 691 </span> : {</a>
<a name="692"><span class="lineNum"> 692 </span> : fd = open (filename, flags &amp; ~O_CREAT, mode);</a>
<a name="693"><span class="lineNum"> 693 </span> : errno = EACCES; /* restore errno */</a>
<a name="694"><span class="lineNum"> 694 </span> : }</a>
<a name="695"><span class="lineNum"> 695 </span> : #endif /* AFS */</a>
<a name="696"><span class="lineNum"> 696 </span> : }</a>
<a name="697"><span class="lineNum"> 697 </span> : </a>
<a name="698"><span class="lineNum"> 698 </span> : return fd;</a>
<a name="699"><span class="lineNum"> 699 </span> : }</a>
<a name="700"><span class="lineNum"> 700 </span> : </a>
<a name="701"><span class="lineNum"> 701 </span> : #if 0</a>
<a name="702"><span class="lineNum"> 702 </span> : static int</a>
<a name="703"><span class="lineNum"> 703 </span> : undoablefd (fd)</a>
<a name="704"><span class="lineNum"> 704 </span> : int fd;</a>
<a name="705"><span class="lineNum"> 705 </span> : {</a>
<a name="706"><span class="lineNum"> 706 </span> : int clexec;</a>
<a name="707"><span class="lineNum"> 707 </span> : </a>
<a name="708"><span class="lineNum"> 708 </span> : clexec = fcntl (fd, F_GETFD, 0);</a>
<a name="709"><span class="lineNum"> 709 </span> : if (clexec == -1 || (fd &gt;= SHELL_FD_BASE &amp;&amp; clexec == 1))</a>
<a name="710"><span class="lineNum"> 710 </span> : return 0;</a>
<a name="711"><span class="lineNum"> 711 </span> : return 1;</a>
<a name="712"><span class="lineNum"> 712 </span> : }</a>
<a name="713"><span class="lineNum"> 713 </span> : #endif</a>
<a name="714"><span class="lineNum"> 714 </span> : </a>
<a name="715"><span class="lineNum"> 715 </span> : /* Do the specific redirection requested. Returns errno or one of the</a>
<a name="716"><span class="lineNum"> 716 </span> : special redirection errors (*_REDIRECT) in case of error, 0 on success.</a>
<a name="717"><span class="lineNum"> 717 </span> : If flags &amp; RX_ACTIVE is zero, then just do whatever is necessary to</a>
<a name="718"><span class="lineNum"> 718 </span> : produce the appropriate side effects. flags &amp; RX_UNDOABLE, if non-zero,</a>
<a name="719"><span class="lineNum"> 719 </span> : says to remember how to undo each redirection. If flags &amp; RX_CLEXEC is</a>
<a name="720"><span class="lineNum"> 720 </span> : non-zero, then we set all file descriptors &gt; 2 that we open to be</a>
<a name="721"><span class="lineNum"> 721 </span> : close-on-exec. */</a>
<a name="722"><span class="lineNum"> 722 </span> : static int</a>
<a name="723"><span class="lineNum"> 723 </span><span class="lineCov"> 160634 : do_redirection_internal (redirect, flags)</span></a>
<a name="724"><span class="lineNum"> 724 </span> : REDIRECT *redirect;</a>
<a name="725"><span class="lineNum"> 725 </span> : int flags;</a>
<a name="726"><span class="lineNum"> 726 </span> : {</a>
<a name="727"><span class="lineNum"> 727 </span><span class="lineCov"> 160634 : WORD_DESC *redirectee;</span></a>
<a name="728"><span class="lineNum"> 728 </span><span class="lineCov"> 160634 : int redir_fd, fd, redirector, r;</span></a>
<a name="729"><span class="lineNum"> 729 </span><span class="lineCov"> 160634 : intmax_t lfd;</span></a>
<a name="730"><span class="lineNum"> 730 </span><span class="lineCov"> 160634 : char *redirectee_word;</span></a>
<a name="731"><span class="lineNum"> 731 </span><span class="lineCov"> 160634 : enum r_instruction ri;</span></a>
<a name="732"><span class="lineNum"> 732 </span><span class="lineCov"> 160634 : REDIRECT *new_redirect = 0;</span></a>
<a name="733"><span class="lineNum"> 733 </span><span class="lineCov"> 160634 : REDIRECTEE sd;</span></a>
<a name="734"><span class="lineNum"> 734 </span> : </a>
<a name="735"><span class="lineNum"> 735 </span><span class="lineCov"> 160634 : redirectee = redirect-&gt;redirectee.filename;</span></a>
<a name="736"><span class="lineNum"> 736 </span><span class="lineCov"> 160634 : redir_fd = redirect-&gt;redirectee.dest;</span></a>
<a name="737"><span class="lineNum"> 737 </span><span class="lineCov"> 160634 : redirector = redirect-&gt;redirector.dest;</span></a>
<a name="738"><span class="lineNum"> 738 </span><span class="lineCov"> 160634 : ri = redirect-&gt;instruction;</span></a>
<a name="739"><span class="lineNum"> 739 </span> : </a>
<a name="740"><span class="lineNum"> 740 </span><span class="lineCov"> 160634 : if (redirect-&gt;flags &amp; RX_INTERNAL)</span></a>
<a name="741"><span class="lineNum"> 741 </span><span class="lineCov"> 1358 : flags |= RX_INTERNAL;</span></a>
<a name="742"><span class="lineNum"> 742 </span> : </a>
<a name="743"><span class="lineNum"> 743 </span><span class="lineCov"> 160634 : if (TRANSLATE_REDIRECT (ri))</span></a>
<a name="744"><span class="lineNum"> 744 </span> : {</a>
<a name="745"><span class="lineNum"> 745 </span> : /* We have [N]&gt;&amp;WORD[-] or [N]&lt;&amp;WORD[-] (or {V}&gt;&amp;WORD[-] or {V}&lt;&amp;WORD-).</a>
<a name="746"><span class="lineNum"> 746 </span> : and WORD, then translate the redirection into a new one and </a>
<a name="747"><span class="lineNum"> 747 </span> : continue. */</a>
<a name="748"><span class="lineNum"> 748 </span><span class="lineCov"> 17 : redirectee_word = redirection_expand (redirectee);</span></a>
<a name="749"><span class="lineNum"> 749 </span> : </a>
<a name="750"><span class="lineNum"> 750 </span> : /* XXX - what to do with [N]&lt;&amp;$w- where w is unset or null? ksh93</a>
<a name="751"><span class="lineNum"> 751 </span> : closes N. */</a>
<a name="752"><span class="lineNum"> 752 </span><span class="lineCov"> 17 : if (redirectee_word == 0)</span></a>
<a name="753"><span class="lineNum"> 753 </span> : return (AMBIGUOUS_REDIRECT);</a>
<a name="754"><span class="lineNum"> 754 </span><span class="lineCov"> 17 : else if (redirectee_word[0] == '-' &amp;&amp; redirectee_word[1] == '\0')</span></a>
<a name="755"><span class="lineNum"> 755 </span> : {</a>
<a name="756"><span class="lineNum"> 756 </span><span class="lineNoCov"> 0 : sd = redirect-&gt;redirector;</span></a>
<a name="757"><span class="lineNum"> 757 </span><span class="lineNoCov"> 0 : rd.dest = 0;</span></a>
<a name="758"><span class="lineNum"> 758 </span><span class="lineNoCov"> 0 : new_redirect = make_redirection (sd, r_close_this, rd, 0);</span></a>
<a name="759"><span class="lineNum"> 759 </span> : }</a>
<a name="760"><span class="lineNum"> 760 </span><span class="lineCov"> 17 : else if (all_digits (redirectee_word))</span></a>
<a name="761"><span class="lineNum"> 761 </span> : {</a>
<a name="762"><span class="lineNum"> 762 </span><span class="lineNoCov"> 0 : sd = redirect-&gt;redirector;</span></a>
<a name="763"><span class="lineNum"> 763 </span><span class="lineNoCov"> 0 : if (legal_number (redirectee_word, &amp;lfd) &amp;&amp; (int)lfd == lfd)</span></a>
<a name="764"><span class="lineNum"> 764 </span><span class="lineNoCov"> 0 : rd.dest = lfd;</span></a>
<a name="765"><span class="lineNum"> 765 </span> : else</a>
<a name="766"><span class="lineNum"> 766 </span><span class="lineNoCov"> 0 : rd.dest = -1; /* XXX */</span></a>
<a name="767"><span class="lineNum"> 767 </span><span class="lineNoCov"> 0 : switch (ri)</span></a>
<a name="768"><span class="lineNum"> 768 </span> : {</a>
<a name="769"><span class="lineNum"> 769 </span><span class="lineNoCov"> 0 : case r_duplicating_input_word:</span></a>
<a name="770"><span class="lineNum"> 770 </span><span class="lineNoCov"> 0 : new_redirect = make_redirection (sd, r_duplicating_input, rd, 0);</span></a>
<a name="771"><span class="lineNum"> 771 </span><span class="lineNoCov"> 0 : break;</span></a>
<a name="772"><span class="lineNum"> 772 </span><span class="lineNoCov"> 0 : case r_duplicating_output_word:</span></a>
<a name="773"><span class="lineNum"> 773 </span><span class="lineNoCov"> 0 : new_redirect = make_redirection (sd, r_duplicating_output, rd, 0);</span></a>
<a name="774"><span class="lineNum"> 774 </span><span class="lineNoCov"> 0 : break;</span></a>
<a name="775"><span class="lineNum"> 775 </span><span class="lineNoCov"> 0 : case r_move_input_word:</span></a>
<a name="776"><span class="lineNum"> 776 </span><span class="lineNoCov"> 0 : new_redirect = make_redirection (sd, r_move_input, rd, 0);</span></a>
<a name="777"><span class="lineNum"> 777 </span><span class="lineNoCov"> 0 : break;</span></a>
<a name="778"><span class="lineNum"> 778 </span><span class="lineNoCov"> 0 : case r_move_output_word:</span></a>
<a name="779"><span class="lineNum"> 779 </span><span class="lineNoCov"> 0 : new_redirect = make_redirection (sd, r_move_output, rd, 0);</span></a>
<a name="780"><span class="lineNum"> 780 </span><span class="lineNoCov"> 0 : break;</span></a>
<a name="781"><span class="lineNum"> 781 </span> : default:</a>
<a name="782"><span class="lineNum"> 782 </span> : break;</a>
<a name="783"><span class="lineNum"> 783 </span> : }</a>
<a name="784"><span class="lineNum"> 784 </span> : }</a>
<a name="785"><span class="lineNum"> 785 </span><span class="lineCov"> 17 : else if (ri == r_duplicating_output_word &amp;&amp; (redirect-&gt;rflags &amp; REDIR_VARASSIGN) == 0 &amp;&amp; redirector == 1)</span></a>
<a name="786"><span class="lineNum"> 786 </span> : {</a>
<a name="787"><span class="lineNum"> 787 </span><span class="lineCov"> 17 : sd = redirect-&gt;redirector;</span></a>
<a name="788"><span class="lineNum"> 788 </span><span class="lineCov"> 17 : rd.filename = make_bare_word (redirectee_word);</span></a>
<a name="789"><span class="lineNum"> 789 </span><span class="lineCov"> 17 : new_redirect = make_redirection (sd, r_err_and_out, rd, 0);</span></a>
<a name="790"><span class="lineNum"> 790 </span> : }</a>
<a name="791"><span class="lineNum"> 791 </span> : else</a>
<a name="792"><span class="lineNum"> 792 </span> : {</a>
<a name="793"><span class="lineNum"> 793 </span><span class="lineNoCov"> 0 : free (redirectee_word);</span></a>
<a name="794"><span class="lineNum"> 794 </span><span class="lineNoCov"> 0 : return (AMBIGUOUS_REDIRECT);</span></a>
<a name="795"><span class="lineNum"> 795 </span> : }</a>
<a name="796"><span class="lineNum"> 796 </span> : </a>
<a name="797"><span class="lineNum"> 797 </span><span class="lineCov"> 17 : free (redirectee_word);</span></a>
<a name="798"><span class="lineNum"> 798 </span> : </a>
<a name="799"><span class="lineNum"> 799 </span> : /* Set up the variables needed by the rest of the function from the</a>
<a name="800"><span class="lineNum"> 800 </span> : new redirection. */</a>
<a name="801"><span class="lineNum"> 801 </span><span class="lineCov"> 17 : if (new_redirect-&gt;instruction == r_err_and_out)</span></a>
<a name="802"><span class="lineNum"> 802 </span> : {</a>
<a name="803"><span class="lineNum"> 803 </span><span class="lineCov"> 17 : char *alloca_hack;</span></a>
<a name="804"><span class="lineNum"> 804 </span> : </a>
<a name="805"><span class="lineNum"> 805 </span> : /* Copy the word without allocating any memory that must be</a>
<a name="806"><span class="lineNum"> 806 </span> : explicitly freed. */</a>
<a name="807"><span class="lineNum"> 807 </span><span class="lineCov"> 17 : redirectee = (WORD_DESC *)alloca (sizeof (WORD_DESC));</span></a>
<a name="808"><span class="lineNum"> 808 </span><span class="lineCov"> 17 : xbcopy ((char *)new_redirect-&gt;redirectee.filename,</span></a>
<a name="809"><span class="lineNum"> 809 </span> : (char *)redirectee, sizeof (WORD_DESC));</a>
<a name="810"><span class="lineNum"> 810 </span> : </a>
<a name="811"><span class="lineNum"> 811 </span><span class="lineCov"> 17 : alloca_hack = (char *)</span></a>
<a name="812"><span class="lineNum"> 812 </span><span class="lineCov"> 17 : alloca (1 + strlen (new_redirect-&gt;redirectee.filename-&gt;word));</span></a>
<a name="813"><span class="lineNum"> 813 </span><span class="lineCov"> 17 : redirectee-&gt;word = alloca_hack;</span></a>
<a name="814"><span class="lineNum"> 814 </span><span class="lineCov"> 17 : strcpy (redirectee-&gt;word, new_redirect-&gt;redirectee.filename-&gt;word);</span></a>
<a name="815"><span class="lineNum"> 815 </span> : }</a>
<a name="816"><span class="lineNum"> 816 </span> : else</a>
<a name="817"><span class="lineNum"> 817 </span> : /* It's guaranteed to be an integer, and shouldn't be freed. */</a>
<a name="818"><span class="lineNum"> 818 </span><span class="lineNoCov"> 0 : redirectee = new_redirect-&gt;redirectee.filename;</span></a>
<a name="819"><span class="lineNum"> 819 </span> : </a>
<a name="820"><span class="lineNum"> 820 </span><span class="lineCov"> 17 : redir_fd = new_redirect-&gt;redirectee.dest;</span></a>
<a name="821"><span class="lineNum"> 821 </span><span class="lineCov"> 17 : redirector = new_redirect-&gt;redirector.dest;</span></a>
<a name="822"><span class="lineNum"> 822 </span><span class="lineCov"> 17 : ri = new_redirect-&gt;instruction;</span></a>
<a name="823"><span class="lineNum"> 823 </span> : </a>
<a name="824"><span class="lineNum"> 824 </span> : /* Overwrite the flags element of the old redirect with the new value. */</a>
<a name="825"><span class="lineNum"> 825 </span><span class="lineCov"> 17 : redirect-&gt;flags = new_redirect-&gt;flags;</span></a>
<a name="826"><span class="lineNum"> 826 </span><span class="lineCov"> 17 : dispose_redirects (new_redirect);</span></a>
<a name="827"><span class="lineNum"> 827 </span> : }</a>
<a name="828"><span class="lineNum"> 828 </span> : </a>
<a name="829"><span class="lineNum"> 829 </span><span class="lineCov"> 160634 : switch (ri)</span></a>
<a name="830"><span class="lineNum"> 830 </span> : {</a>
<a name="831"><span class="lineNum"> 831 </span><span class="lineCov"> 156194 : case r_output_direction:</span></a>
<a name="832"><span class="lineNum"> 832 </span> : case r_appending_to:</a>
<a name="833"><span class="lineNum"> 833 </span> : case r_input_direction:</a>
<a name="834"><span class="lineNum"> 834 </span> : case r_inputa_direction:</a>
<a name="835"><span class="lineNum"> 835 </span> : case r_err_and_out: /* command &amp;&gt;filename */</a>
<a name="836"><span class="lineNum"> 836 </span> : case r_append_err_and_out: /* command &amp;&gt;&gt; filename */</a>
<a name="837"><span class="lineNum"> 837 </span> : case r_input_output:</a>
<a name="838"><span class="lineNum"> 838 </span> : case r_output_force:</a>
<a name="839"><span class="lineNum"> 839 </span><span class="lineCov"> 156194 : if (posixly_correct &amp;&amp; interactive_shell == 0)</span></a>
<a name="840"><span class="lineNum"> 840 </span><span class="lineNoCov"> 0 : {</span></a>
<a name="841"><span class="lineNum"> 841 </span><span class="lineNoCov"> 0 : int oflags = redirectee-&gt;flags;</span></a>
<a name="842"><span class="lineNum"> 842 </span><span class="lineNoCov"> 0 : redirectee-&gt;flags |= W_NOGLOB;</span></a>
<a name="843"><span class="lineNum"> 843 </span><span class="lineNoCov"> 0 : redirectee_word = redirection_expand (redirectee);</span></a>
<a name="844"><span class="lineNum"> 844 </span><span class="lineNoCov"> 0 : redirectee-&gt;flags = oflags;</span></a>
<a name="845"><span class="lineNum"> 845 </span> : }</a>
<a name="846"><span class="lineNum"> 846 </span> : else</a>
<a name="847"><span class="lineNum"> 847 </span> : {</a>
<a name="848"><span class="lineNum"> 848 </span><span class="lineCov"> 156194 : redirectee_word = redirection_expand (redirectee);</span></a>
<a name="849"><span class="lineNum"> 849 </span> : }</a>
<a name="850"><span class="lineNum"> 850 </span> : </a>
<a name="851"><span class="lineNum"> 851 </span><span class="lineCov"> 156184 : if (redirectee_word == 0)</span></a>
<a name="852"><span class="lineNum"> 852 </span> : return (AMBIGUOUS_REDIRECT);</a>
<a name="853"><span class="lineNum"> 853 </span> : </a>
<a name="854"><span class="lineNum"> 854 </span> : #if defined (RESTRICTED_SHELL)</a>
<a name="855"><span class="lineNum"> 855 </span> : if (restricted &amp;&amp; (WRITE_REDIRECT (ri)))</a>
<a name="856"><span class="lineNum"> 856 </span> : {</a>
<a name="857"><span class="lineNum"> 857 </span> : free (redirectee_word);</a>
<a name="858"><span class="lineNum"> 858 </span> : return (RESTRICTED_REDIRECT);</a>
<a name="859"><span class="lineNum"> 859 </span> : }</a>
<a name="860"><span class="lineNum"> 860 </span> : #endif /* RESTRICTED_SHELL */</a>
<a name="861"><span class="lineNum"> 861 </span> : </a>
<a name="862"><span class="lineNum"> 862 </span><span class="lineCov"> 156056 : fd = redir_open (redirectee_word, redirect-&gt;flags, 0666, ri);</span></a>
<a name="863"><span class="lineNum"> 863 </span><span class="lineCov"> 156056 : free (redirectee_word);</span></a>
<a name="864"><span class="lineNum"> 864 </span> : </a>
<a name="865"><span class="lineNum"> 865 </span><span class="lineCov"> 156056 : if (fd == NOCLOBBER_REDIRECT)</span></a>
<a name="866"><span class="lineNum"> 866 </span> : return (fd);</a>
<a name="867"><span class="lineNum"> 867 </span> : </a>
<a name="868"><span class="lineNum"> 868 </span><span class="lineCov"> 156056 : if (fd &lt; 0)</span></a>
<a name="869"><span class="lineNum"> 869 </span><span class="lineCov"> 134549 : return (errno);</span></a>
<a name="870"><span class="lineNum"> 870 </span> : </a>
<a name="871"><span class="lineNum"> 871 </span><span class="lineCov"> 21507 : if (flags &amp; RX_ACTIVE)</span></a>
<a name="872"><span class="lineNum"> 872 </span> : {</a>
<a name="873"><span class="lineNum"> 873 </span><span class="lineCov"> 21507 : if (redirect-&gt;rflags &amp; REDIR_VARASSIGN)</span></a>
<a name="874"><span class="lineNum"> 874 </span> : {</a>
<a name="875"><span class="lineNum"> 875 </span><span class="lineNoCov"> 0 : redirector = fcntl (fd, F_DUPFD, SHELL_FD_BASE); /* XXX try this for now */</span></a>
<a name="876"><span class="lineNum"> 876 </span><span class="lineNoCov"> 0 : r = errno;</span></a>
<a name="877"><span class="lineNum"> 877 </span><span class="lineNoCov"> 0 : if (redirector &lt; 0)</span></a>
<a name="878"><span class="lineNum"> 878 </span><span class="lineNoCov"> 0 : sys_error (_(&quot;redirection error: cannot duplicate fd&quot;));</span></a>
<a name="879"><span class="lineNum"> 879 </span><span class="lineNoCov"> 0 : REDIRECTION_ERROR (redirector, r, fd);</span></a>
<a name="880"><span class="lineNum"> 880 </span> : }</a>
<a name="881"><span class="lineNum"> 881 </span> : </a>
<a name="882"><span class="lineNum"> 882 </span><span class="lineCov"> 21507 : if ((flags &amp; RX_UNDOABLE) &amp;&amp; (redirect-&gt;rflags &amp; REDIR_VARASSIGN) == 0)</span></a>
<a name="883"><span class="lineNum"> 883 </span> : {</a>
<a name="884"><span class="lineNum"> 884 </span> : /* Only setup to undo it if the thing to undo is active. */</a>
<a name="885"><span class="lineNum"> 885 </span><span class="lineCov"> 740 : if ((fd != redirector) &amp;&amp; (fcntl (redirector, F_GETFD, 0) != -1))</span></a>
<a name="886"><span class="lineNum"> 886 </span><span class="lineCov"> 700 : r = add_undo_redirect (redirector, ri, -1);</span></a>
<a name="887"><span class="lineNum"> 887 </span> : else</a>
<a name="888"><span class="lineNum"> 888 </span><span class="lineCov"> 40 : r = add_undo_close_redirect (redirector);</span></a>
<a name="889"><span class="lineNum"> 889 </span><span class="lineCov"> 740 : REDIRECTION_ERROR (r, errno, fd);</span></a>
<a name="890"><span class="lineNum"> 890 </span> : }</a>
<a name="891"><span class="lineNum"> 891 </span> : </a>
<a name="892"><span class="lineNum"> 892 </span> : #if defined (BUFFERED_INPUT)</a>
<a name="893"><span class="lineNum"> 893 </span> : /* inhibit call to sync_buffered_stream() for async processes */</a>
<a name="894"><span class="lineNum"> 894 </span><span class="lineCov"> 21507 : if (redirector != 0 || (subshell_environment &amp; SUBSHELL_ASYNC) == 0)</span></a>
<a name="895"><span class="lineNum"> 895 </span><span class="lineCov"> 21448 : check_bash_input (redirector);</span></a>
<a name="896"><span class="lineNum"> 896 </span> : #endif</a>
<a name="897"><span class="lineNum"> 897 </span> : </a>
<a name="898"><span class="lineNum"> 898 </span> : /* Make sure there is no pending output before we change the state</a>
<a name="899"><span class="lineNum"> 899 </span> : of the underlying file descriptor, since the builtins use stdio</a>
<a name="900"><span class="lineNum"> 900 </span> : for output. */</a>
<a name="901"><span class="lineNum"> 901 </span><span class="lineCov"> 21507 : if (redirector == 1 &amp;&amp; fileno (stdout) == redirector)</span></a>
<a name="902"><span class="lineNum"> 902 </span> : {</a>
<a name="903"><span class="lineNum"> 903 </span><span class="lineCov"> 13829 : fflush (stdout);</span></a>
<a name="904"><span class="lineNum"> 904 </span><span class="lineCov"> 13829 : fpurge (stdout);</span></a>
<a name="905"><span class="lineNum"> 905 </span> : }</a>
<a name="906"><span class="lineNum"> 906 </span><span class="lineCov"> 7678 : else if (redirector == 2 &amp;&amp; fileno (stderr) == redirector)</span></a>
<a name="907"><span class="lineNum"> 907 </span> : {</a>
<a name="908"><span class="lineNum"> 908 </span><span class="lineCov"> 91 : fflush (stderr);</span></a>
<a name="909"><span class="lineNum"> 909 </span><span class="lineCov"> 91 : fpurge (stderr);</span></a>
<a name="910"><span class="lineNum"> 910 </span> : }</a>
<a name="911"><span class="lineNum"> 911 </span> : </a>
<a name="912"><span class="lineNum"> 912 </span><span class="lineCov"> 21507 : if (redirect-&gt;rflags &amp; REDIR_VARASSIGN)</span></a>
<a name="913"><span class="lineNum"> 913 </span> : {</a>
<a name="914"><span class="lineNum"> 914 </span><span class="lineNoCov"> 0 : if ((r = redir_varassign (redirect, redirector)) &lt; 0)</span></a>
<a name="915"><span class="lineNum"> 915 </span> : {</a>
<a name="916"><span class="lineNum"> 916 </span><span class="lineNoCov"> 0 : close (redirector);</span></a>
<a name="917"><span class="lineNum"> 917 </span><span class="lineNoCov"> 0 : close (fd);</span></a>
<a name="918"><span class="lineNum"> 918 </span><span class="lineNoCov"> 0 : return (r); /* XXX */</span></a>
<a name="919"><span class="lineNum"> 919 </span> : }</a>
<a name="920"><span class="lineNum"> 920 </span> : }</a>
<a name="921"><span class="lineNum"> 921 </span><span class="lineCov"> 21507 : else if ((fd != redirector) &amp;&amp; (dup2 (fd, redirector) &lt; 0))</span></a>
<a name="922"><span class="lineNum"> 922 </span> : {</a>
<a name="923"><span class="lineNum"> 923 </span><span class="lineCov"> 42 : close (fd); /* dup2 failed? must be fd limit issue */</span></a>
<a name="924"><span class="lineNum"> 924 </span><span class="lineCov"> 42 : return (errno);</span></a>
<a name="925"><span class="lineNum"> 925 </span> : }</a>
<a name="926"><span class="lineNum"> 926 </span> : </a>
<a name="927"><span class="lineNum"> 927 </span> : #if defined (BUFFERED_INPUT)</a>
<a name="928"><span class="lineNum"> 928 </span> : /* Do not change the buffered stream for an implicit redirection</a>
<a name="929"><span class="lineNum"> 929 </span> : of /dev/null to fd 0 for asynchronous commands without job</a>
<a name="930"><span class="lineNum"> 930 </span> : control (r_inputa_direction). */</a>
<a name="931"><span class="lineNum"> 931 </span><span class="lineCov"> 21465 : if (ri == r_input_direction || ri == r_input_output)</span></a>
<a name="932"><span class="lineNum"> 932 </span><span class="lineCov"> 7484 : duplicate_buffered_stream (fd, redirector);</span></a>
<a name="933"><span class="lineNum"> 933 </span> : #endif /* BUFFERED_INPUT */</a>
<a name="934"><span class="lineNum"> 934 </span> : </a>
<a name="935"><span class="lineNum"> 935 </span> : /*</a>
<a name="936"><span class="lineNum"> 936 </span> : * If we're remembering, then this is the result of a while, for</a>
<a name="937"><span class="lineNum"> 937 </span> : * or until loop with a loop redirection, or a function/builtin</a>
<a name="938"><span class="lineNum"> 938 </span> : * executing in the parent shell with a redirection. In the</a>
<a name="939"><span class="lineNum"> 939 </span> : * function/builtin case, we want to set all file descriptors &gt; 2</a>
<a name="940"><span class="lineNum"> 940 </span> : * to be close-on-exec to duplicate the effect of the old</a>
<a name="941"><span class="lineNum"> 941 </span> : * for i = 3 to NOFILE close(i) loop. In the case of the loops,</a>
<a name="942"><span class="lineNum"> 942 </span> : * both sh and ksh leave the file descriptors open across execs.</a>
<a name="943"><span class="lineNum"> 943 </span> : * The Posix standard mentions only the exec builtin.</a>
<a name="944"><span class="lineNum"> 944 </span> : */</a>
<a name="945"><span class="lineNum"> 945 </span><span class="lineCov"> 21465 : if ((flags &amp; RX_CLEXEC) &amp;&amp; (redirector &gt; 2))</span></a>
<a name="946"><span class="lineNum"> 946 </span><span class="lineNoCov"> 0 : SET_CLOSE_ON_EXEC (redirector);</span></a>
<a name="947"><span class="lineNum"> 947 </span> : }</a>
<a name="948"><span class="lineNum"> 948 </span> : </a>
<a name="949"><span class="lineNum"> 949 </span><span class="lineCov"> 21465 : if (fd != redirector)</span></a>
<a name="950"><span class="lineNum"> 950 </span> : {</a>
<a name="951"><span class="lineNum"> 951 </span> : #if defined (BUFFERED_INPUT)</a>
<a name="952"><span class="lineNum"> 952 </span><span class="lineCov"> 21406 : if (INPUT_REDIRECT (ri))</span></a>
<a name="953"><span class="lineNum"> 953 </span><span class="lineCov"> 7475 : close_buffered_fd (fd);</span></a>
<a name="954"><span class="lineNum"> 954 </span> : else</a>
<a name="955"><span class="lineNum"> 955 </span> : #endif /* !BUFFERED_INPUT */</a>
<a name="956"><span class="lineNum"> 956 </span><span class="lineCov"> 13931 : close (fd); /* Don't close what we just opened! */</span></a>
<a name="957"><span class="lineNum"> 957 </span> : }</a>
<a name="958"><span class="lineNum"> 958 </span> : </a>
<a name="959"><span class="lineNum"> 959 </span> : /* If we are hacking both stdout and stderr, do the stderr</a>
<a name="960"><span class="lineNum"> 960 </span> : redirection here. XXX - handle {var} here? */</a>
<a name="961"><span class="lineNum"> 961 </span><span class="lineCov"> 21465 : if (ri == r_err_and_out || ri == r_append_err_and_out)</span></a>
<a name="962"><span class="lineNum"> 962 </span> : {</a>
<a name="963"><span class="lineNum"> 963 </span><span class="lineCov"> 24 : if (flags &amp; RX_ACTIVE)</span></a>
<a name="964"><span class="lineNum"> 964 </span> : {</a>
<a name="965"><span class="lineNum"> 965 </span><span class="lineCov"> 24 : if (flags &amp; RX_UNDOABLE)</span></a>
<a name="966"><span class="lineNum"> 966 </span><span class="lineNoCov"> 0 : add_undo_redirect (2, ri, -1);</span></a>
<a name="967"><span class="lineNum"> 967 </span><span class="lineCov"> 24 : if (dup2 (1, 2) &lt; 0)</span></a>
<a name="968"><span class="lineNum"> 968 </span><span class="lineNoCov"> 0 : return (errno);</span></a>
<a name="969"><span class="lineNum"> 969 </span> : }</a>
<a name="970"><span class="lineNum"> 970 </span> : }</a>
<a name="971"><span class="lineNum"> 971 </span> : break;</a>
<a name="972"><span class="lineNum"> 972 </span> : </a>
<a name="973"><span class="lineNum"> 973 </span><span class="lineCov"> 148 : case r_reading_until:</span></a>
<a name="974"><span class="lineNum"> 974 </span> : case r_deblank_reading_until:</a>
<a name="975"><span class="lineNum"> 975 </span> : case r_reading_string:</a>
<a name="976"><span class="lineNum"> 976 </span> : /* REDIRECTEE is a pointer to a WORD_DESC containing the text of</a>
<a name="977"><span class="lineNum"> 977 </span> : the new input. Place it in a temporary file. */</a>
<a name="978"><span class="lineNum"> 978 </span><span class="lineCov"> 148 : if (redirectee)</span></a>
<a name="979"><span class="lineNum"> 979 </span> : {</a>
<a name="980"><span class="lineNum"> 980 </span><span class="lineCov"> 148 : fd = here_document_to_fd (redirectee, ri);</span></a>
<a name="981"><span class="lineNum"> 981 </span> : </a>
<a name="982"><span class="lineNum"> 982 </span><span class="lineCov"> 130 : if (fd &lt; 0)</span></a>
<a name="983"><span class="lineNum"> 983 </span> : {</a>
<a name="984"><span class="lineNum"> 984 </span><span class="lineNoCov"> 0 : heredoc_errno = errno;</span></a>
<a name="985"><span class="lineNum"> 985 </span><span class="lineNoCov"> 0 : return (HEREDOC_REDIRECT);</span></a>
<a name="986"><span class="lineNum"> 986 </span> : }</a>
<a name="987"><span class="lineNum"> 987 </span> : </a>
<a name="988"><span class="lineNum"> 988 </span><span class="lineCov"> 130 : if (redirect-&gt;rflags &amp; REDIR_VARASSIGN)</span></a>
<a name="989"><span class="lineNum"> 989 </span> : {</a>
<a name="990"><span class="lineNum"> 990 </span><span class="lineNoCov"> 0 : redirector = fcntl (fd, F_DUPFD, SHELL_FD_BASE); /* XXX try this for now */</span></a>
<a name="991"><span class="lineNum"> 991 </span><span class="lineNoCov"> 0 : r = errno;</span></a>
<a name="992"><span class="lineNum"> 992 </span><span class="lineNoCov"> 0 : if (redirector &lt; 0)</span></a>
<a name="993"><span class="lineNum"> 993 </span><span class="lineNoCov"> 0 : sys_error (_(&quot;redirection error: cannot duplicate fd&quot;));</span></a>
<a name="994"><span class="lineNum"> 994 </span><span class="lineNoCov"> 0 : REDIRECTION_ERROR (redirector, r, fd);</span></a>
<a name="995"><span class="lineNum"> 995 </span> : }</a>
<a name="996"><span class="lineNum"> 996 </span> : </a>
<a name="997"><span class="lineNum"> 997 </span><span class="lineCov"> 130 : if (flags &amp; RX_ACTIVE)</span></a>
<a name="998"><span class="lineNum"> 998 </span> : {</a>
<a name="999"><span class="lineNum"> 999 </span><span class="lineCov"> 130 : if ((flags &amp; RX_UNDOABLE) &amp;&amp; (redirect-&gt;rflags &amp; REDIR_VARASSIGN) == 0)</span></a>
<a name="1000"><span class="lineNum"> 1000 </span> : {</a>
<a name="1001"><span class="lineNum"> 1001 </span> : /* Only setup to undo it if the thing to undo is active. */</a>
<a name="1002"><span class="lineNum"> 1002 </span><span class="lineCov"> 18 : if ((fd != redirector) &amp;&amp; (fcntl (redirector, F_GETFD, 0) != -1))</span></a>
<a name="1003"><span class="lineNum"> 1003 </span><span class="lineCov"> 18 : r = add_undo_redirect (redirector, ri, -1);</span></a>
<a name="1004"><span class="lineNum"> 1004 </span> : else</a>
<a name="1005"><span class="lineNum"> 1005 </span><span class="lineNoCov"> 0 : r = add_undo_close_redirect (redirector);</span></a>
<a name="1006"><span class="lineNum"> 1006 </span><span class="lineCov"> 18 : REDIRECTION_ERROR (r, errno, fd);</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> : #if defined (BUFFERED_INPUT)</a>
<a name="1010"><span class="lineNum"> 1010 </span><span class="lineCov"> 130 : check_bash_input (redirector);</span></a>
<a name="1011"><span class="lineNum"> 1011 </span> : #endif</a>
<a name="1012"><span class="lineNum"> 1012 </span><span class="lineCov"> 130 : if (redirect-&gt;rflags &amp; REDIR_VARASSIGN)</span></a>
<a name="1013"><span class="lineNum"> 1013 </span> : {</a>
<a name="1014"><span class="lineNum"> 1014 </span><span class="lineNoCov"> 0 : if ((r = redir_varassign (redirect, redirector)) &lt; 0)</span></a>
<a name="1015"><span class="lineNum"> 1015 </span> : {</a>
<a name="1016"><span class="lineNum"> 1016 </span><span class="lineNoCov"> 0 : close (redirector);</span></a>
<a name="1017"><span class="lineNum"> 1017 </span><span class="lineNoCov"> 0 : close (fd);</span></a>
<a name="1018"><span class="lineNum"> 1018 </span><span class="lineNoCov"> 0 : return (r); /* XXX */</span></a>
<a name="1019"><span class="lineNum"> 1019 </span> : }</a>
<a name="1020"><span class="lineNum"> 1020 </span> : }</a>
<a name="1021"><span class="lineNum"> 1021 </span><span class="lineCov"> 130 : else if (fd != redirector &amp;&amp; dup2 (fd, redirector) &lt; 0)</span></a>
<a name="1022"><span class="lineNum"> 1022 </span> : {</a>
<a name="1023"><span class="lineNum"> 1023 </span><span class="lineNoCov"> 0 : r = errno;</span></a>
<a name="1024"><span class="lineNum"> 1024 </span><span class="lineNoCov"> 0 : close (fd);</span></a>
<a name="1025"><span class="lineNum"> 1025 </span><span class="lineNoCov"> 0 : return (r);</span></a>
<a name="1026"><span class="lineNum"> 1026 </span> : }</a>
<a name="1027"><span class="lineNum"> 1027 </span> : </a>
<a name="1028"><span class="lineNum"> 1028 </span> : #if defined (BUFFERED_INPUT)</a>
<a name="1029"><span class="lineNum"> 1029 </span><span class="lineCov"> 130 : duplicate_buffered_stream (fd, redirector);</span></a>
<a name="1030"><span class="lineNum"> 1030 </span> : #endif</a>
<a name="1031"><span class="lineNum"> 1031 </span> : </a>
<a name="1032"><span class="lineNum"> 1032 </span><span class="lineCov"> 130 : if ((flags &amp; RX_CLEXEC) &amp;&amp; (redirector &gt; 2))</span></a>
<a name="1033"><span class="lineNum"> 1033 </span><span class="lineNoCov"> 0 : SET_CLOSE_ON_EXEC (redirector);</span></a>
<a name="1034"><span class="lineNum"> 1034 </span> : }</a>
<a name="1035"><span class="lineNum"> 1035 </span> : </a>
<a name="1036"><span class="lineNum"> 1036 </span><span class="lineCov"> 130 : if (fd != redirector)</span></a>
<a name="1037"><span class="lineNum"> 1037 </span> : #if defined (BUFFERED_INPUT)</a>
<a name="1038"><span class="lineNum"> 1038 </span><span class="lineCov"> 130 : close_buffered_fd (fd);</span></a>
<a name="1039"><span class="lineNum"> 1039 </span> : #else</a>
<a name="1040"><span class="lineNum"> 1040 </span> : close (fd);</a>
<a name="1041"><span class="lineNum"> 1041 </span> : #endif</a>
<a name="1042"><span class="lineNum"> 1042 </span> : }</a>
<a name="1043"><span class="lineNum"> 1043 </span> : break;</a>
<a name="1044"><span class="lineNum"> 1044 </span> : </a>
<a name="1045"><span class="lineNum"> 1045 </span><span class="lineCov"> 3593 : case r_duplicating_input:</span></a>
<a name="1046"><span class="lineNum"> 1046 </span> : case r_duplicating_output:</a>
<a name="1047"><span class="lineNum"> 1047 </span> : case r_move_input:</a>
<a name="1048"><span class="lineNum"> 1048 </span> : case r_move_output:</a>
<a name="1049"><span class="lineNum"> 1049 </span><span class="lineCov"> 3593 : if ((flags &amp; RX_ACTIVE) &amp;&amp; (redirect-&gt;rflags &amp; REDIR_VARASSIGN))</span></a>
<a name="1050"><span class="lineNum"> 1050 </span> : {</a>
<a name="1051"><span class="lineNum"> 1051 </span><span class="lineNoCov"> 0 : redirector = fcntl (redir_fd, F_DUPFD, SHELL_FD_BASE); /* XXX try this for now */</span></a>
<a name="1052"><span class="lineNum"> 1052 </span><span class="lineNoCov"> 0 : r = errno;</span></a>
<a name="1053"><span class="lineNum"> 1053 </span><span class="lineNoCov"> 0 : if (redirector &lt; 0)</span></a>
<a name="1054"><span class="lineNum"> 1054 </span><span class="lineNoCov"> 0 : sys_error (_(&quot;redirection error: cannot duplicate fd&quot;));</span></a>
<a name="1055"><span class="lineNum"> 1055 </span><span class="lineNoCov"> 0 : REDIRECTION_ERROR (redirector, r, -1);</span></a>
<a name="1056"><span class="lineNum"> 1056 </span> : }</a>
<a name="1057"><span class="lineNum"> 1057 </span> : </a>
<a name="1058"><span class="lineNum"> 1058 </span><span class="lineCov"> 3593 : if ((flags &amp; RX_ACTIVE) &amp;&amp; (redir_fd != redirector))</span></a>
<a name="1059"><span class="lineNum"> 1059 </span> : {</a>
<a name="1060"><span class="lineNum"> 1060 </span><span class="lineCov"> 3593 : if ((flags &amp; RX_UNDOABLE) &amp;&amp; (redirect-&gt;rflags &amp; REDIR_VARASSIGN) == 0)</span></a>
<a name="1061"><span class="lineNum"> 1061 </span> : {</a>
<a name="1062"><span class="lineNum"> 1062 </span> : /* Only setup to undo it if the thing to undo is active. */</a>
<a name="1063"><span class="lineNum"> 1063 </span><span class="lineNoCov"> 0 : if (fcntl (redirector, F_GETFD, 0) != -1)</span></a>
<a name="1064"><span class="lineNum"> 1064 </span><span class="lineNoCov"> 0 : r = add_undo_redirect (redirector, ri, redir_fd);</span></a>
<a name="1065"><span class="lineNum"> 1065 </span> : else</a>
<a name="1066"><span class="lineNum"> 1066 </span><span class="lineNoCov"> 0 : r = add_undo_close_redirect (redirector);</span></a>
<a name="1067"><span class="lineNum"> 1067 </span><span class="lineNoCov"> 0 : REDIRECTION_ERROR (r, errno, -1);</span></a>
<a name="1068"><span class="lineNum"> 1068 </span> : }</a>
<a name="1069"><span class="lineNum"> 1069 </span><span class="lineCov"> 3593 : if ((flags &amp; RX_UNDOABLE) &amp;&amp; (ri == r_move_input || ri == r_move_output))</span></a>
<a name="1070"><span class="lineNum"> 1070 </span> : {</a>
<a name="1071"><span class="lineNum"> 1071 </span> : /* r_move_input and r_move_output add an additional close()</a>
<a name="1072"><span class="lineNum"> 1072 </span> : that needs to be undone */</a>
<a name="1073"><span class="lineNum"> 1073 </span><span class="lineNoCov"> 0 : if (fcntl (redirector, F_GETFD, 0) != -1)</span></a>
<a name="1074"><span class="lineNum"> 1074 </span> : {</a>
<a name="1075"><span class="lineNum"> 1075 </span><span class="lineNoCov"> 0 : r = add_undo_redirect (redir_fd, r_close_this, -1);</span></a>
<a name="1076"><span class="lineNum"> 1076 </span><span class="lineNoCov"> 0 : REDIRECTION_ERROR (r, errno, -1);</span></a>
<a name="1077"><span class="lineNum"> 1077 </span> : }</a>
<a name="1078"><span class="lineNum"> 1078 </span> : }</a>
<a name="1079"><span class="lineNum"> 1079 </span> : #if defined (BUFFERED_INPUT)</a>
<a name="1080"><span class="lineNum"> 1080 </span> : /* inhibit call to sync_buffered_stream() for async processes */</a>
<a name="1081"><span class="lineNum"> 1081 </span><span class="lineCov"> 3593 : if (redirector != 0 || (subshell_environment &amp; SUBSHELL_ASYNC) == 0)</span></a>
<a name="1082"><span class="lineNum"> 1082 </span><span class="lineCov"> 3593 : check_bash_input (redirector);</span></a>
<a name="1083"><span class="lineNum"> 1083 </span> : #endif</a>
<a name="1084"><span class="lineNum"> 1084 </span><span class="lineCov"> 3593 : if (redirect-&gt;rflags &amp; REDIR_VARASSIGN)</span></a>
<a name="1085"><span class="lineNum"> 1085 </span> : {</a>
<a name="1086"><span class="lineNum"> 1086 </span><span class="lineNoCov"> 0 : if ((r = redir_varassign (redirect, redirector)) &lt; 0)</span></a>
<a name="1087"><span class="lineNum"> 1087 </span> : {</a>
<a name="1088"><span class="lineNum"> 1088 </span><span class="lineNoCov"> 0 : close (redirector);</span></a>
<a name="1089"><span class="lineNum"> 1089 </span><span class="lineNoCov"> 0 : return (r); /* XXX */</span></a>
<a name="1090"><span class="lineNum"> 1090 </span> : }</a>
<a name="1091"><span class="lineNum"> 1091 </span> : }</a>
<a name="1092"><span class="lineNum"> 1092 </span> : /* This is correct. 2&gt;&amp;1 means dup2 (1, 2); */</a>
<a name="1093"><span class="lineNum"> 1093 </span><span class="lineCov"> 3593 : else if (dup2 (redir_fd, redirector) &lt; 0)</span></a>
<a name="1094"><span class="lineNum"> 1094 </span><span class="lineNoCov"> 0 : return (errno);</span></a>
<a name="1095"><span class="lineNum"> 1095 </span> : </a>
<a name="1096"><span class="lineNum"> 1096 </span> : #if defined (BUFFERED_INPUT)</a>
<a name="1097"><span class="lineNum"> 1097 </span><span class="lineCov"> 3593 : if (ri == r_duplicating_input || ri == r_move_input)</span></a>
<a name="1098"><span class="lineNum"> 1098 </span><span class="lineCov"> 184 : duplicate_buffered_stream (redir_fd, redirector);</span></a>
<a name="1099"><span class="lineNum"> 1099 </span> : #endif /* BUFFERED_INPUT */</a>
<a name="1100"><span class="lineNum"> 1100 </span> : </a>
<a name="1101"><span class="lineNum"> 1101 </span> : /* First duplicate the close-on-exec state of redirectee. dup2</a>
<a name="1102"><span class="lineNum"> 1102 </span> : leaves the flag unset on the new descriptor, which means it</a>
<a name="1103"><span class="lineNum"> 1103 </span> : stays open. Only set the close-on-exec bit for file descriptors</a>
<a name="1104"><span class="lineNum"> 1104 </span> : greater than 2 in any case, since 0-2 should always be open</a>
<a name="1105"><span class="lineNum"> 1105 </span> : unless closed by something like `exec 2&lt;&amp;-'. It should always</a>
<a name="1106"><span class="lineNum"> 1106 </span> : be safe to set fds &gt; 2 to close-on-exec if they're being used to</a>
<a name="1107"><span class="lineNum"> 1107 </span> : save file descriptors &lt; 2, since we don't need to preserve the</a>
<a name="1108"><span class="lineNum"> 1108 </span> : state of the close-on-exec flag for those fds -- they should</a>
<a name="1109"><span class="lineNum"> 1109 </span> : always be open. */</a>
<a name="1110"><span class="lineNum"> 1110 </span> : /* if ((already_set || set_unconditionally) &amp;&amp; (ok_to_set))</a>
<a name="1111"><span class="lineNum"> 1111 </span> : set_it () */</a>
<a name="1112"><span class="lineNum"> 1112 </span> : #if 0</a>
<a name="1113"><span class="lineNum"> 1113 </span> : if (((fcntl (redir_fd, F_GETFD, 0) == 1) || redir_fd &lt; 2 || (flags &amp; RX_CLEXEC)) &amp;&amp;</a>
<a name="1114"><span class="lineNum"> 1114 </span> : (redirector &gt; 2))</a>
<a name="1115"><span class="lineNum"> 1115 </span> : #else</a>
<a name="1116"><span class="lineNum"> 1116 </span><span class="lineCov"> 3593 : if (((fcntl (redir_fd, F_GETFD, 0) == 1) || (redir_fd &lt; 2 &amp;&amp; (flags &amp; RX_INTERNAL)) || (flags &amp; RX_CLEXEC)) &amp;&amp;</span></a>
<a name="1117"><span class="lineNum"> 1117 </span> : (redirector &gt; 2))</a>
<a name="1118"><span class="lineNum"> 1118 </span> : #endif</a>
<a name="1119"><span class="lineNum"> 1119 </span><span class="lineNoCov"> 0 : SET_CLOSE_ON_EXEC (redirector);</span></a>
<a name="1120"><span class="lineNum"> 1120 </span> : </a>
<a name="1121"><span class="lineNum"> 1121 </span> : /* When undoing saving of non-standard file descriptors (&gt;=3) using</a>
<a name="1122"><span class="lineNum"> 1122 </span> : file descriptors &gt;= SHELL_FD_BASE, we set the saving fd to be</a>
<a name="1123"><span class="lineNum"> 1123 </span> : close-on-exec and use a flag to decide how to set close-on-exec</a>
<a name="1124"><span class="lineNum"> 1124 </span> : when the fd is restored. */</a>
<a name="1125"><span class="lineNum"> 1125 </span><span class="lineCov"> 3593 : if ((redirect-&gt;flags &amp; RX_INTERNAL) &amp;&amp; (redirect-&gt;flags &amp; RX_SAVCLEXEC) &amp;&amp; redirector &gt;= 3 &amp;&amp; (redir_fd &gt;= SHELL_FD_BASE || (redirect-&gt;flags &amp; RX_SAVEFD)))</span></a>
<a name="1126"><span class="lineNum"> 1126 </span><span class="lineNoCov"> 0 : SET_OPEN_ON_EXEC (redirector);</span></a>
<a name="1127"><span class="lineNum"> 1127 </span> : </a>
<a name="1128"><span class="lineNum"> 1128 </span> : /* dup-and-close redirection */</a>
<a name="1129"><span class="lineNum"> 1129 </span><span class="lineCov"> 3593 : if (ri == r_move_input || ri == r_move_output)</span></a>
<a name="1130"><span class="lineNum"> 1130 </span> : {</a>
<a name="1131"><span class="lineNum"> 1131 </span><span class="lineNoCov"> 0 : xtrace_fdchk (redir_fd);</span></a>
<a name="1132"><span class="lineNum"> 1132 </span> : </a>
<a name="1133"><span class="lineNum"> 1133 </span><span class="lineNoCov"> 0 : close (redir_fd);</span></a>
<a name="1134"><span class="lineNum"> 1134 </span> : #if defined (COPROCESS_SUPPORT)</a>
<a name="1135"><span class="lineNum"> 1135 </span><span class="lineNoCov"> 0 : coproc_fdchk (redir_fd); /* XXX - loses coproc fds */</span></a>
<a name="1136"><span class="lineNum"> 1136 </span> : #endif</a>
<a name="1137"><span class="lineNum"> 1137 </span> : }</a>
<a name="1138"><span class="lineNum"> 1138 </span> : }</a>
<a name="1139"><span class="lineNum"> 1139 </span> : break;</a>
<a name="1140"><span class="lineNum"> 1140 </span> : </a>
<a name="1141"><span class="lineNum"> 1141 </span><span class="lineCov"> 699 : case r_close_this:</span></a>
<a name="1142"><span class="lineNum"> 1142 </span><span class="lineCov"> 699 : if (flags &amp; RX_ACTIVE)</span></a>
<a name="1143"><span class="lineNum"> 1143 </span> : {</a>
<a name="1144"><span class="lineNum"> 1144 </span><span class="lineCov"> 699 : if (redirect-&gt;rflags &amp; REDIR_VARASSIGN)</span></a>
<a name="1145"><span class="lineNum"> 1145 </span> : {</a>
<a name="1146"><span class="lineNum"> 1146 </span><span class="lineNoCov"> 0 : redirector = redir_varvalue (redirect);</span></a>
<a name="1147"><span class="lineNum"> 1147 </span><span class="lineNoCov"> 0 : if (redirector &lt; 0)</span></a>
<a name="1148"><span class="lineNum"> 1148 </span> : return AMBIGUOUS_REDIRECT;</a>
<a name="1149"><span class="lineNum"> 1149 </span> : }</a>
<a name="1150"><span class="lineNum"> 1150 </span> : </a>
<a name="1151"><span class="lineNum"> 1151 </span><span class="lineCov"> 699 : r = 0;</span></a>
<a name="1152"><span class="lineNum"> 1152 </span> : /* XXX - only if REDIR_VARASSIGN not set? */</a>
<a name="1153"><span class="lineNum"> 1153 </span><span class="lineCov"> 699 : if ((flags &amp; RX_UNDOABLE) &amp;&amp; (fcntl (redirector, F_GETFD, 0) != -1))</span></a>
<a name="1154"><span class="lineNum"> 1154 </span> : {</a>
<a name="1155"><span class="lineNum"> 1155 </span><span class="lineNoCov"> 0 : r = add_undo_redirect (redirector, ri, -1);</span></a>
<a name="1156"><span class="lineNum"> 1156 </span><span class="lineNoCov"> 0 : REDIRECTION_ERROR (r, errno, redirector);</span></a>
<a name="1157"><span class="lineNum"> 1157 </span> : }</a>
<a name="1158"><span class="lineNum"> 1158 </span> : </a>
<a name="1159"><span class="lineNum"> 1159 </span> : #if defined (COPROCESS_SUPPORT)</a>
<a name="1160"><span class="lineNum"> 1160 </span><span class="lineCov"> 699 : coproc_fdchk (redirector);</span></a>
<a name="1161"><span class="lineNum"> 1161 </span> : #endif</a>
<a name="1162"><span class="lineNum"> 1162 </span><span class="lineCov"> 699 : xtrace_fdchk (redirector);</span></a>
<a name="1163"><span class="lineNum"> 1163 </span> : </a>
<a name="1164"><span class="lineNum"> 1164 </span> : #if defined (BUFFERED_INPUT)</a>
<a name="1165"><span class="lineNum"> 1165 </span> : /* inhibit call to sync_buffered_stream() for async processes */</a>
<a name="1166"><span class="lineNum"> 1166 </span><span class="lineCov"> 699 : if (redirector != 0 || (subshell_environment &amp; SUBSHELL_ASYNC) == 0)</span></a>
<a name="1167"><span class="lineNum"> 1167 </span><span class="lineCov"> 699 : check_bash_input (redirector);</span></a>
<a name="1168"><span class="lineNum"> 1168 </span><span class="lineCov"> 699 : r = close_buffered_fd (redirector);</span></a>
<a name="1169"><span class="lineNum"> 1169 </span> : #else /* !BUFFERED_INPUT */</a>
<a name="1170"><span class="lineNum"> 1170 </span> : r = close (redirector);</a>
<a name="1171"><span class="lineNum"> 1171 </span> : #endif /* !BUFFERED_INPUT */</a>
<a name="1172"><span class="lineNum"> 1172 </span> : </a>
<a name="1173"><span class="lineNum"> 1173 </span><span class="lineCov"> 699 : if (r &lt; 0 &amp;&amp; (flags &amp; RX_INTERNAL) &amp;&amp; (errno == EIO || errno == ENOSPC))</span></a>
<a name="1174"><span class="lineNum"> 1174 </span><span class="lineNoCov"> 0 : REDIRECTION_ERROR (r, errno, -1);</span></a>
<a name="1175"><span class="lineNum"> 1175 </span> : }</a>
<a name="1176"><span class="lineNum"> 1176 </span> : break;</a>
<a name="1177"><span class="lineNum"> 1177 </span> : </a>
<a name="1178"><span class="lineNum"> 1178 </span> : case r_duplicating_input_word:</a>
<a name="1179"><span class="lineNum"> 1179 </span> : case r_duplicating_output_word:</a>
<a name="1180"><span class="lineNum"> 1180 </span> : default:</a>
<a name="1181"><span class="lineNum"> 1181 </span> : break;</a>
<a name="1182"><span class="lineNum"> 1182 </span> : }</a>
<a name="1183"><span class="lineNum"> 1183 </span> : return (0);</a>
<a name="1184"><span class="lineNum"> 1184 </span> : }</a>
<a name="1185"><span class="lineNum"> 1185 </span> : </a>
<a name="1186"><span class="lineNum"> 1186 </span> : /* Remember the file descriptor associated with the slot FD,</a>
<a name="1187"><span class="lineNum"> 1187 </span> : on REDIRECTION_UNDO_LIST. Note that the list will be reversed</a>
<a name="1188"><span class="lineNum"> 1188 </span> : before it is executed. Any redirections that need to be undone</a>
<a name="1189"><span class="lineNum"> 1189 </span> : even if REDIRECTION_UNDO_LIST is discarded by the exec builtin</a>
<a name="1190"><span class="lineNum"> 1190 </span> : are also saved on EXEC_REDIRECTION_UNDO_LIST. FDBASE says where to</a>
<a name="1191"><span class="lineNum"> 1191 </span> : start the duplicating. If it's less than SHELL_FD_BASE, we're ok,</a>
<a name="1192"><span class="lineNum"> 1192 </span> : and can use SHELL_FD_BASE (-1 == don't care). If it's &gt;= SHELL_FD_BASE,</a>
<a name="1193"><span class="lineNum"> 1193 </span> : we have to make sure we don't use fdbase to save a file descriptor,</a>
<a name="1194"><span class="lineNum"> 1194 </span> : since we're going to use it later (e.g., make sure we don't save fd 0</a>
<a name="1195"><span class="lineNum"> 1195 </span> : to fd 10 if we have a redirection like 0&lt;&amp;10). If the value of fdbase</a>
<a name="1196"><span class="lineNum"> 1196 </span> : puts the process over its fd limit, causing fcntl to fail, we try</a>
<a name="1197"><span class="lineNum"> 1197 </span> : again with SHELL_FD_BASE. Return 0 on success, -1 on error. */</a>
<a name="1198"><span class="lineNum"> 1198 </span> : static int</a>
<a name="1199"><span class="lineNum"> 1199 </span><span class="lineCov"> 718 : add_undo_redirect (fd, ri, fdbase)</span></a>
<a name="1200"><span class="lineNum"> 1200 </span> : int fd;</a>
<a name="1201"><span class="lineNum"> 1201 </span> : enum r_instruction ri;</a>
<a name="1202"><span class="lineNum"> 1202 </span> : int fdbase;</a>
<a name="1203"><span class="lineNum"> 1203 </span> : {</a>
<a name="1204"><span class="lineNum"> 1204 </span><span class="lineCov"> 718 : int new_fd, clexec_flag, savefd_flag;</span></a>
<a name="1205"><span class="lineNum"> 1205 </span><span class="lineCov"> 718 : REDIRECT *new_redirect, *closer, *dummy_redirect;</span></a>
<a name="1206"><span class="lineNum"> 1206 </span><span class="lineCov"> 718 : REDIRECTEE sd;</span></a>
<a name="1207"><span class="lineNum"> 1207 </span> : </a>
<a name="1208"><span class="lineNum"> 1208 </span><span class="lineCov"> 718 : savefd_flag = 0;</span></a>
<a name="1209"><span class="lineNum"> 1209 </span><span class="lineCov"> 718 : new_fd = fcntl (fd, F_DUPFD, (fdbase &lt; SHELL_FD_BASE) ? SHELL_FD_BASE : fdbase+1);</span></a>
<a name="1210"><span class="lineNum"> 1210 </span><span class="lineCov"> 718 : if (new_fd &lt; 0)</span></a>
<a name="1211"><span class="lineNum"> 1211 </span><span class="lineNoCov"> 0 : new_fd = fcntl (fd, F_DUPFD, SHELL_FD_BASE);</span></a>
<a name="1212"><span class="lineNum"> 1212 </span><span class="lineCov"> 718 : if (new_fd &lt; 0)</span></a>
<a name="1213"><span class="lineNum"> 1213 </span> : {</a>
<a name="1214"><span class="lineNum"> 1214 </span><span class="lineNoCov"> 0 : new_fd = fcntl (fd, F_DUPFD, 0);</span></a>
<a name="1215"><span class="lineNum"> 1215 </span><span class="lineNoCov"> 0 : savefd_flag = 1;</span></a>
<a name="1216"><span class="lineNum"> 1216 </span> : }</a>
<a name="1217"><span class="lineNum"> 1217 </span> : </a>
<a name="1218"><span class="lineNum"> 1218 </span><span class="lineCov"> 718 : if (new_fd &lt; 0)</span></a>
<a name="1219"><span class="lineNum"> 1219 </span> : {</a>
<a name="1220"><span class="lineNum"> 1220 </span><span class="lineNoCov"> 0 : sys_error (_(&quot;redirection error: cannot duplicate fd&quot;));</span></a>
<a name="1221"><span class="lineNum"> 1221 </span><span class="lineNoCov"> 0 : return (-1);</span></a>
<a name="1222"><span class="lineNum"> 1222 </span> : }</a>
<a name="1223"><span class="lineNum"> 1223 </span> : </a>
<a name="1224"><span class="lineNum"> 1224 </span><span class="lineCov"> 718 : clexec_flag = fcntl (fd, F_GETFD, 0);</span></a>
<a name="1225"><span class="lineNum"> 1225 </span> : </a>
<a name="1226"><span class="lineNum"> 1226 </span><span class="lineCov"> 718 : sd.dest = new_fd;</span></a>
<a name="1227"><span class="lineNum"> 1227 </span><span class="lineCov"> 718 : rd.dest = 0;</span></a>
<a name="1228"><span class="lineNum"> 1228 </span><span class="lineCov"> 718 : closer = make_redirection (sd, r_close_this, rd, 0);</span></a>
<a name="1229"><span class="lineNum"> 1229 </span><span class="lineCov"> 718 : closer-&gt;flags |= RX_INTERNAL;</span></a>
<a name="1230"><span class="lineNum"> 1230 </span><span class="lineCov"> 718 : dummy_redirect = copy_redirects (closer);</span></a>
<a name="1231"><span class="lineNum"> 1231 </span> : </a>
<a name="1232"><span class="lineNum"> 1232 </span><span class="lineCov"> 718 : sd.dest = fd;</span></a>
<a name="1233"><span class="lineNum"> 1233 </span><span class="lineCov"> 718 : rd.dest = new_fd;</span></a>
<a name="1234"><span class="lineNum"> 1234 </span><span class="lineCov"> 718 : if (fd == 0)</span></a>
<a name="1235"><span class="lineNum"> 1235 </span><span class="lineCov"> 218 : new_redirect = make_redirection (sd, r_duplicating_input, rd, 0);</span></a>
<a name="1236"><span class="lineNum"> 1236 </span> : else</a>
<a name="1237"><span class="lineNum"> 1237 </span><span class="lineCov"> 500 : new_redirect = make_redirection (sd, r_duplicating_output, rd, 0);</span></a>
<a name="1238"><span class="lineNum"> 1238 </span><span class="lineCov"> 718 : new_redirect-&gt;flags |= RX_INTERNAL;</span></a>
<a name="1239"><span class="lineNum"> 1239 </span><span class="lineCov"> 718 : if (savefd_flag)</span></a>
<a name="1240"><span class="lineNum"> 1240 </span><span class="lineNoCov"> 0 : new_redirect-&gt;flags |= RX_SAVEFD;</span></a>
<a name="1241"><span class="lineNum"> 1241 </span><span class="lineCov"> 718 : if (clexec_flag == 0 &amp;&amp; fd &gt;= 3 &amp;&amp; (new_fd &gt;= SHELL_FD_BASE || savefd_flag))</span></a>
<a name="1242"><span class="lineNum"> 1242 </span><span class="lineNoCov"> 0 : new_redirect-&gt;flags |= RX_SAVCLEXEC;</span></a>
<a name="1243"><span class="lineNum"> 1243 </span><span class="lineCov"> 718 : new_redirect-&gt;next = closer;</span></a>
<a name="1244"><span class="lineNum"> 1244 </span> : </a>
<a name="1245"><span class="lineNum"> 1245 </span><span class="lineCov"> 718 : closer-&gt;next = redirection_undo_list;</span></a>
<a name="1246"><span class="lineNum"> 1246 </span><span class="lineCov"> 718 : redirection_undo_list = new_redirect;</span></a>
<a name="1247"><span class="lineNum"> 1247 </span> : </a>
<a name="1248"><span class="lineNum"> 1248 </span> : /* Save redirections that need to be undone even if the undo list</a>
<a name="1249"><span class="lineNum"> 1249 </span> : is thrown away by the `exec' builtin. */</a>
<a name="1250"><span class="lineNum"> 1250 </span><span class="lineCov"> 1436 : add_exec_redirect (dummy_redirect);</span></a>
<a name="1251"><span class="lineNum"> 1251 </span> : </a>
<a name="1252"><span class="lineNum"> 1252 </span> : /* experimental: if we're saving a redirection to undo for a file descriptor</a>
<a name="1253"><span class="lineNum"> 1253 </span> : above SHELL_FD_BASE, add a redirection to be undone if the exec builtin</a>
<a name="1254"><span class="lineNum"> 1254 </span> : causes redirections to be discarded. There needs to be a difference</a>
<a name="1255"><span class="lineNum"> 1255 </span> : between fds that are used to save other fds and then are the target of</a>
<a name="1256"><span class="lineNum"> 1256 </span> : user redirections and fds that are just the target of user redirections.</a>
<a name="1257"><span class="lineNum"> 1257 </span> : We use the close-on-exec flag to tell the difference; fds &gt; SHELL_FD_BASE</a>
<a name="1258"><span class="lineNum"> 1258 </span> : that have the close-on-exec flag set are assumed to be fds used internally</a>
<a name="1259"><span class="lineNum"> 1259 </span> : to save others. */</a>
<a name="1260"><span class="lineNum"> 1260 </span><span class="lineNoCov"> 0 : if (fd &gt;= SHELL_FD_BASE &amp;&amp; ri != r_close_this &amp;&amp; clexec_flag)</span></a>
<a name="1261"><span class="lineNum"> 1261 </span> : {</a>
<a name="1262"><span class="lineNum"> 1262 </span><span class="lineNoCov"> 0 : sd.dest = fd;</span></a>
<a name="1263"><span class="lineNum"> 1263 </span><span class="lineNoCov"> 0 : rd.dest = new_fd;</span></a>
<a name="1264"><span class="lineNum"> 1264 </span><span class="lineNoCov"> 0 : new_redirect = make_redirection (sd, r_duplicating_output, rd, 0);</span></a>
<a name="1265"><span class="lineNum"> 1265 </span><span class="lineNoCov"> 0 : new_redirect-&gt;flags |= RX_INTERNAL;</span></a>
<a name="1266"><span class="lineNum"> 1266 </span> : </a>
<a name="1267"><span class="lineNum"> 1267 </span><span class="lineNoCov"> 0 : add_exec_redirect (new_redirect);</span></a>
<a name="1268"><span class="lineNum"> 1268 </span> : }</a>
<a name="1269"><span class="lineNum"> 1269 </span> : </a>
<a name="1270"><span class="lineNum"> 1270 </span> : /* File descriptors used only for saving others should always be</a>
<a name="1271"><span class="lineNum"> 1271 </span> : marked close-on-exec. Unfortunately, we have to preserve the</a>
<a name="1272"><span class="lineNum"> 1272 </span> : close-on-exec state of the file descriptor we are saving, since</a>
<a name="1273"><span class="lineNum"> 1273 </span> : fcntl (F_DUPFD) sets the new file descriptor to remain open</a>
<a name="1274"><span class="lineNum"> 1274 </span> : across execs. If, however, the file descriptor whose state we</a>
<a name="1275"><span class="lineNum"> 1275 </span> : are saving is &lt;= 2, we can just set the close-on-exec flag,</a>
<a name="1276"><span class="lineNum"> 1276 </span> : because file descriptors 0-2 should always be open-on-exec,</a>
<a name="1277"><span class="lineNum"> 1277 </span> : and the restore above in do_redirection() will take care of it. */</a>
<a name="1278"><span class="lineNum"> 1278 </span><span class="lineCov"> 718 : if (clexec_flag || fd &lt; 3)</span></a>
<a name="1279"><span class="lineNum"> 1279 </span><span class="lineCov"> 718 : SET_CLOSE_ON_EXEC (new_fd);</span></a>
<a name="1280"><span class="lineNum"> 1280 </span><span class="lineNoCov"> 0 : else if (redirection_undo_list-&gt;flags &amp; RX_SAVCLEXEC)</span></a>
<a name="1281"><span class="lineNum"> 1281 </span><span class="lineNoCov"> 0 : SET_CLOSE_ON_EXEC (new_fd);</span></a>
<a name="1282"><span class="lineNum"> 1282 </span> : </a>
<a name="1283"><span class="lineNum"> 1283 </span> : return (0);</a>
<a name="1284"><span class="lineNum"> 1284 </span> : }</a>
<a name="1285"><span class="lineNum"> 1285 </span> : </a>
<a name="1286"><span class="lineNum"> 1286 </span> : /* Set up to close FD when we are finished with the current command</a>
<a name="1287"><span class="lineNum"> 1287 </span> : and its redirections. Return 0 on success, -1 on error. */</a>
<a name="1288"><span class="lineNum"> 1288 </span> : static int</a>
<a name="1289"><span class="lineNum"> 1289 </span><span class="lineCov"> 40 : add_undo_close_redirect (fd)</span></a>
<a name="1290"><span class="lineNum"> 1290 </span> : int fd;</a>
<a name="1291"><span class="lineNum"> 1291 </span> : {</a>
<a name="1292"><span class="lineNum"> 1292 </span><span class="lineCov"> 40 : REDIRECT *closer;</span></a>
<a name="1293"><span class="lineNum"> 1293 </span><span class="lineCov"> 40 : REDIRECTEE sd;</span></a>
<a name="1294"><span class="lineNum"> 1294 </span> : </a>
<a name="1295"><span class="lineNum"> 1295 </span><span class="lineCov"> 40 : sd.dest = fd;</span></a>
<a name="1296"><span class="lineNum"> 1296 </span><span class="lineCov"> 40 : rd.dest = 0;</span></a>
<a name="1297"><span class="lineNum"> 1297 </span><span class="lineCov"> 40 : closer = make_redirection (sd, r_close_this, rd, 0);</span></a>
<a name="1298"><span class="lineNum"> 1298 </span><span class="lineCov"> 40 : closer-&gt;flags |= RX_INTERNAL;</span></a>
<a name="1299"><span class="lineNum"> 1299 </span><span class="lineCov"> 40 : closer-&gt;next = redirection_undo_list;</span></a>
<a name="1300"><span class="lineNum"> 1300 </span><span class="lineCov"> 40 : redirection_undo_list = closer;</span></a>
<a name="1301"><span class="lineNum"> 1301 </span> : </a>
<a name="1302"><span class="lineNum"> 1302 </span><span class="lineCov"> 40 : return 0;</span></a>
<a name="1303"><span class="lineNum"> 1303 </span> : }</a>
<a name="1304"><span class="lineNum"> 1304 </span> : </a>
<a name="1305"><span class="lineNum"> 1305 </span> : static void</a>
<a name="1306"><span class="lineNum"> 1306 </span> : add_exec_redirect (dummy_redirect)</a>
<a name="1307"><span class="lineNum"> 1307 </span> : REDIRECT *dummy_redirect;</a>
<a name="1308"><span class="lineNum"> 1308 </span> : {</a>
<a name="1309"><span class="lineNum"> 1309 </span><span class="lineCov"> 718 : dummy_redirect-&gt;next = exec_redirection_undo_list;</span></a>
<a name="1310"><span class="lineNum"> 1310 </span><span class="lineCov"> 718 : exec_redirection_undo_list = dummy_redirect;</span></a>
<a name="1311"><span class="lineNum"> 1311 </span> : }</a>
<a name="1312"><span class="lineNum"> 1312 </span> : </a>
<a name="1313"><span class="lineNum"> 1313 </span> : /* Return 1 if the redirection specified by RI and REDIRECTOR alters the</a>
<a name="1314"><span class="lineNum"> 1314 </span> : standard input. */</a>
<a name="1315"><span class="lineNum"> 1315 </span> : static int</a>
<a name="1316"><span class="lineNum"> 1316 </span> : stdin_redirection (ri, redirector)</a>
<a name="1317"><span class="lineNum"> 1317 </span> : enum r_instruction ri;</a>
<a name="1318"><span class="lineNum"> 1318 </span> : int redirector;</a>
<a name="1319"><span class="lineNum"> 1319 </span> : {</a>
<a name="1320"><span class="lineNum"> 1320 </span><span class="lineCov"> 2153 : switch (ri)</span></a>
<a name="1321"><span class="lineNum"> 1321 </span> : {</a>
<a name="1322"><span class="lineNum"> 1322 </span> : case r_input_direction:</a>
<a name="1323"><span class="lineNum"> 1323 </span> : case r_inputa_direction:</a>
<a name="1324"><span class="lineNum"> 1324 </span> : case r_input_output:</a>
<a name="1325"><span class="lineNum"> 1325 </span> : case r_reading_until:</a>
<a name="1326"><span class="lineNum"> 1326 </span> : case r_deblank_reading_until:</a>
<a name="1327"><span class="lineNum"> 1327 </span> : case r_reading_string:</a>
<a name="1328"><span class="lineNum"> 1328 </span> : return (1);</a>
<a name="1329"><span class="lineNum"> 1329 </span><span class="lineNoCov"> 0 : case r_duplicating_input:</span></a>
<a name="1330"><span class="lineNum"> 1330 </span> : case r_duplicating_input_word:</a>
<a name="1331"><span class="lineNum"> 1331 </span> : case r_close_this:</a>
<a name="1332"><span class="lineNum"> 1332 </span><span class="lineNoCov"> 0 : return (redirector == 0);</span></a>
<a name="1333"><span class="lineNum"> 1333 </span> : case r_output_direction:</a>
<a name="1334"><span class="lineNum"> 1334 </span> : case r_appending_to:</a>
<a name="1335"><span class="lineNum"> 1335 </span> : case r_duplicating_output:</a>
<a name="1336"><span class="lineNum"> 1336 </span> : case r_err_and_out:</a>
<a name="1337"><span class="lineNum"> 1337 </span> : case r_append_err_and_out:</a>
<a name="1338"><span class="lineNum"> 1338 </span> : case r_output_force:</a>
<a name="1339"><span class="lineNum"> 1339 </span> : case r_duplicating_output_word:</a>
<a name="1340"><span class="lineNum"> 1340 </span> : default:</a>
<a name="1341"><span class="lineNum"> 1341 </span> : return (0);</a>
<a name="1342"><span class="lineNum"> 1342 </span> : }</a>
<a name="1343"><span class="lineNum"> 1343 </span> : }</a>
<a name="1344"><span class="lineNum"> 1344 </span> : </a>
<a name="1345"><span class="lineNum"> 1345 </span> : /* Return non-zero if any of the redirections in REDIRS alter the standard</a>
<a name="1346"><span class="lineNum"> 1346 </span> : input. */</a>
<a name="1347"><span class="lineNum"> 1347 </span> : int</a>
<a name="1348"><span class="lineNum"> 1348 </span><span class="lineCov"> 9869 : stdin_redirects (redirs)</span></a>
<a name="1349"><span class="lineNum"> 1349 </span> : REDIRECT *redirs;</a>
<a name="1350"><span class="lineNum"> 1350 </span> : {</a>
<a name="1351"><span class="lineNum"> 1351 </span><span class="lineCov"> 9869 : REDIRECT *rp;</span></a>
<a name="1352"><span class="lineNum"> 1352 </span><span class="lineCov"> 9869 : int n;</span></a>
<a name="1353"><span class="lineNum"> 1353 </span> : </a>
<a name="1354"><span class="lineNum"> 1354 </span><span class="lineCov"> 12022 : for (n = 0, rp = redirs; rp; rp = rp-&gt;next)</span></a>
<a name="1355"><span class="lineNum"> 1355 </span><span class="lineCov"> 2153 : if ((rp-&gt;rflags &amp; REDIR_VARASSIGN) == 0)</span></a>
<a name="1356"><span class="lineNum"> 1356 </span><span class="lineCov"> 4306 : n += stdin_redirection (rp-&gt;instruction, rp-&gt;redirector.dest);</span></a>
<a name="1357"><span class="lineNum"> 1357 </span><span class="lineCov"> 9869 : return n;</span></a>
<a name="1358"><span class="lineNum"> 1358 </span> : }</a>
<a name="1359"><span class="lineNum"> 1359 </span> : /* bind_var_to_int handles array references */</a>
<a name="1360"><span class="lineNum"> 1360 </span> : static int</a>
<a name="1361"><span class="lineNum"> 1361 </span><span class="lineNoCov"> 0 : redir_varassign (redir, fd)</span></a>
<a name="1362"><span class="lineNum"> 1362 </span> : REDIRECT *redir;</a>
<a name="1363"><span class="lineNum"> 1363 </span> : int fd;</a>
<a name="1364"><span class="lineNum"> 1364 </span> : {</a>
<a name="1365"><span class="lineNum"> 1365 </span><span class="lineNoCov"> 0 : WORD_DESC *w;</span></a>
<a name="1366"><span class="lineNum"> 1366 </span><span class="lineNoCov"> 0 : SHELL_VAR *v;</span></a>
<a name="1367"><span class="lineNum"> 1367 </span> : </a>
<a name="1368"><span class="lineNum"> 1368 </span><span class="lineNoCov"> 0 : w = redir-&gt;redirector.filename;</span></a>
<a name="1369"><span class="lineNum"> 1369 </span><span class="lineNoCov"> 0 : v = bind_var_to_int (w-&gt;word, fd);</span></a>
<a name="1370"><span class="lineNum"> 1370 </span><span class="lineNoCov"> 0 : if (v == 0 || readonly_p (v) || noassign_p (v))</span></a>
<a name="1371"><span class="lineNum"> 1371 </span><span class="lineNoCov"> 0 : return BADVAR_REDIRECT;</span></a>
<a name="1372"><span class="lineNum"> 1372 </span> : </a>
<a name="1373"><span class="lineNum"> 1373 </span><span class="lineNoCov"> 0 : stupidly_hack_special_variables (w-&gt;word);</span></a>
<a name="1374"><span class="lineNum"> 1374 </span><span class="lineNoCov"> 0 : return 0;</span></a>
<a name="1375"><span class="lineNum"> 1375 </span> : }</a>
<a name="1376"><span class="lineNum"> 1376 </span> : </a>
<a name="1377"><span class="lineNum"> 1377 </span> : /* Handles {array[ind]} for redirection words */</a>
<a name="1378"><span class="lineNum"> 1378 </span> : static int</a>
<a name="1379"><span class="lineNum"> 1379 </span><span class="lineNoCov"> 0 : redir_varvalue (redir)</span></a>
<a name="1380"><span class="lineNum"> 1380 </span> : REDIRECT *redir;</a>
<a name="1381"><span class="lineNum"> 1381 </span> : {</a>
<a name="1382"><span class="lineNum"> 1382 </span><span class="lineNoCov"> 0 : SHELL_VAR *v;</span></a>
<a name="1383"><span class="lineNum"> 1383 </span><span class="lineNoCov"> 0 : char *val, *w;</span></a>
<a name="1384"><span class="lineNum"> 1384 </span><span class="lineNoCov"> 0 : intmax_t vmax;</span></a>
<a name="1385"><span class="lineNum"> 1385 </span><span class="lineNoCov"> 0 : int i;</span></a>
<a name="1386"><span class="lineNum"> 1386 </span> : #if defined (ARRAY_VARS)</a>
<a name="1387"><span class="lineNum"> 1387 </span><span class="lineNoCov"> 0 : char *sub;</span></a>
<a name="1388"><span class="lineNum"> 1388 </span><span class="lineNoCov"> 0 : int len, vr;</span></a>
<a name="1389"><span class="lineNum"> 1389 </span> : #endif</a>
<a name="1390"><span class="lineNum"> 1390 </span> : </a>
<a name="1391"><span class="lineNum"> 1391 </span><span class="lineNoCov"> 0 : w = redir-&gt;redirector.filename-&gt;word; /* shorthand */</span></a>
<a name="1392"><span class="lineNum"> 1392 </span> : /* XXX - handle set -u here? */</a>
<a name="1393"><span class="lineNum"> 1393 </span> : #if defined (ARRAY_VARS)</a>
<a name="1394"><span class="lineNum"> 1394 </span><span class="lineNoCov"> 0 : if (vr = valid_array_reference (w, 0))</span></a>
<a name="1395"><span class="lineNum"> 1395 </span> : {</a>
<a name="1396"><span class="lineNum"> 1396 </span><span class="lineNoCov"> 0 : v = array_variable_part (w, &amp;sub, &amp;len);</span></a>
<a name="1397"><span class="lineNum"> 1397 </span> : }</a>
<a name="1398"><span class="lineNum"> 1398 </span> : else</a>
<a name="1399"><span class="lineNum"> 1399 </span> : #endif</a>
<a name="1400"><span class="lineNum"> 1400 </span> : {</a>
<a name="1401"><span class="lineNum"> 1401 </span><span class="lineNoCov"> 0 : v = find_variable (w);</span></a>
<a name="1402"><span class="lineNum"> 1402 </span> : #if defined (ARRAY_VARS)</a>
<a name="1403"><span class="lineNum"> 1403 </span><span class="lineNoCov"> 0 : if (v == 0)</span></a>
<a name="1404"><span class="lineNum"> 1404 </span> : {</a>
<a name="1405"><span class="lineNum"> 1405 </span><span class="lineNoCov"> 0 : v = find_variable_last_nameref (w, 0);</span></a>
<a name="1406"><span class="lineNum"> 1406 </span><span class="lineNoCov"> 0 : if (v &amp;&amp; nameref_p (v))</span></a>
<a name="1407"><span class="lineNum"> 1407 </span> : {</a>
<a name="1408"><span class="lineNum"> 1408 </span><span class="lineNoCov"> 0 : w = nameref_cell (v);</span></a>
<a name="1409"><span class="lineNum"> 1409 </span><span class="lineNoCov"> 0 : if (vr = valid_array_reference (w, 0))</span></a>
<a name="1410"><span class="lineNum"> 1410 </span><span class="lineNoCov"> 0 : v = array_variable_part (w, &amp;sub, &amp;len);</span></a>
<a name="1411"><span class="lineNum"> 1411 </span> : else</a>
<a name="1412"><span class="lineNum"> 1412 </span><span class="lineNoCov"> 0 : v = find_variable (w);</span></a>
<a name="1413"><span class="lineNum"> 1413 </span> : }</a>
<a name="1414"><span class="lineNum"> 1414 </span> : }</a>
<a name="1415"><span class="lineNum"> 1415 </span> : #endif</a>
<a name="1416"><span class="lineNum"> 1416 </span> : }</a>
<a name="1417"><span class="lineNum"> 1417 </span> : </a>
<a name="1418"><span class="lineNum"> 1418 </span><span class="lineNoCov"> 0 : if (v == 0 || invisible_p (v))</span></a>
<a name="1419"><span class="lineNum"> 1419 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="1420"><span class="lineNum"> 1420 </span> : </a>
<a name="1421"><span class="lineNum"> 1421 </span> : #if defined (ARRAY_VARS)</a>
<a name="1422"><span class="lineNum"> 1422 </span> : /* get_variable_value handles references to array variables without</a>
<a name="1423"><span class="lineNum"> 1423 </span> : subscripts */</a>
<a name="1424"><span class="lineNum"> 1424 </span><span class="lineNoCov"> 0 : if (vr &amp;&amp; (array_p (v) || assoc_p (v)))</span></a>
<a name="1425"><span class="lineNum"> 1425 </span><span class="lineNoCov"> 0 : val = get_array_value (w, 0, (int *)NULL, (arrayind_t *)0);</span></a>
<a name="1426"><span class="lineNum"> 1426 </span> : else</a>
<a name="1427"><span class="lineNum"> 1427 </span> : #endif</a>
<a name="1428"><span class="lineNum"> 1428 </span><span class="lineNoCov"> 0 : val = get_variable_value (v);</span></a>
<a name="1429"><span class="lineNum"> 1429 </span><span class="lineNoCov"> 0 : if (val == 0 || *val == 0)</span></a>
<a name="1430"><span class="lineNum"> 1430 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="1431"><span class="lineNum"> 1431 </span> : </a>
<a name="1432"><span class="lineNum"> 1432 </span><span class="lineNoCov"> 0 : if (legal_number (val, &amp;vmax) &lt; 0)</span></a>
<a name="1433"><span class="lineNum"> 1433 </span><span class="lineNoCov"> 0 : return -1;</span></a>
<a name="1434"><span class="lineNum"> 1434 </span> : </a>
<a name="1435"><span class="lineNum"> 1435 </span><span class="lineNoCov"> 0 : i = vmax; /* integer truncation */</span></a>
<a name="1436"><span class="lineNum"> 1436 </span><span class="lineNoCov"> 0 : return i;</span></a>
<a name="1437"><span class="lineNum"> 1437 </span> : }</a>
</pre>
</td>
</tr>
</table>
<br>
<table width="100%" border=0 cellspacing=0 cellpadding=0>
<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>
</table>
<br>
</body>
</html>
Reference in New Issue View Git Blame Copy Permalink