208 lines
16 KiB
HTML
208 lines
16 KiB
HTML
<!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-bash.info - builtins/let.def</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">builtins</a> - let.def<span style="font-size: 80%;"> (source / <a href="let.def.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-bash.info</td>
|
|
<td></td>
|
|
<td class="headerItem">Lines:</td>
|
|
<td class="headerCovTableEntry">9</td>
|
|
<td class="headerCovTableEntry">13</td>
|
|
<td class="headerCovTableEntryLo">69.2 %</td>
|
|
</tr>
|
|
<tr>
|
|
<td class="headerItem">Date:</td>
|
|
<td class="headerValue">2020-10-29 14:49:28</td>
|
|
<td></td>
|
|
<td class="headerItem">Functions:</td>
|
|
<td class="headerCovTableEntry">1</td>
|
|
<td class="headerCovTableEntry">1</td>
|
|
<td class="headerCovTableEntryHi">100.0 %</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> : This file is let.def, from which is created let.c.</a>
|
|
<a name="2"><span class="lineNum"> 2 </span> : It implements the builtin "let" in Bash.</a>
|
|
<a name="3"><span class="lineNum"> 3 </span> : </a>
|
|
<a name="4"><span class="lineNum"> 4 </span> : Copyright (C) 1987-2009 Free Software Foundation, Inc.</a>
|
|
<a name="5"><span class="lineNum"> 5 </span> : </a>
|
|
<a name="6"><span class="lineNum"> 6 </span> : This file is part of GNU Bash, the Bourne Again SHell.</a>
|
|
<a name="7"><span class="lineNum"> 7 </span> : </a>
|
|
<a name="8"><span class="lineNum"> 8 </span> : Bash is free software: you can redistribute it and/or modify</a>
|
|
<a name="9"><span class="lineNum"> 9 </span> : it under the terms of the GNU General Public License as published by</a>
|
|
<a name="10"><span class="lineNum"> 10 </span> : the Free Software Foundation, either version 3 of the License, or</a>
|
|
<a name="11"><span class="lineNum"> 11 </span> : (at your option) any later version.</a>
|
|
<a name="12"><span class="lineNum"> 12 </span> : </a>
|
|
<a name="13"><span class="lineNum"> 13 </span> : Bash is distributed in the hope that it will be useful,</a>
|
|
<a name="14"><span class="lineNum"> 14 </span> : but WITHOUT ANY WARRANTY; without even the implied warranty of</a>
|
|
<a name="15"><span class="lineNum"> 15 </span> : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</a>
|
|
<a name="16"><span class="lineNum"> 16 </span> : GNU General Public License for more details.</a>
|
|
<a name="17"><span class="lineNum"> 17 </span> : </a>
|
|
<a name="18"><span class="lineNum"> 18 </span> : You should have received a copy of the GNU General Public License</a>
|
|
<a name="19"><span class="lineNum"> 19 </span> : along with Bash. If not, see <http://www.gnu.org/licenses/>.</a>
|
|
<a name="20"><span class="lineNum"> 20 </span> : </a>
|
|
<a name="21"><span class="lineNum"> 21 </span> : $BUILTIN let</a>
|
|
<a name="22"><span class="lineNum"> 22 </span> : $FUNCTION let_builtin</a>
|
|
<a name="23"><span class="lineNum"> 23 </span> : $PRODUCES let.c</a>
|
|
<a name="24"><span class="lineNum"> 24 </span> : $SHORT_DOC let arg [arg ...]</a>
|
|
<a name="25"><span class="lineNum"> 25 </span> : Evaluate arithmetic expressions.</a>
|
|
<a name="26"><span class="lineNum"> 26 </span> : </a>
|
|
<a name="27"><span class="lineNum"> 27 </span> : Evaluate each ARG as an arithmetic expression. Evaluation is done in</a>
|
|
<a name="28"><span class="lineNum"> 28 </span> : fixed-width integers with no check for overflow, though division by 0</a>
|
|
<a name="29"><span class="lineNum"> 29 </span> : is trapped and flagged as an error. The following list of operators is</a>
|
|
<a name="30"><span class="lineNum"> 30 </span> : grouped into levels of equal-precedence operators. The levels are listed</a>
|
|
<a name="31"><span class="lineNum"> 31 </span> : in order of decreasing precedence.</a>
|
|
<a name="32"><span class="lineNum"> 32 </span> : </a>
|
|
<a name="33"><span class="lineNum"> 33 </span> : id++, id-- variable post-increment, post-decrement</a>
|
|
<a name="34"><span class="lineNum"> 34 </span> : ++id, --id variable pre-increment, pre-decrement</a>
|
|
<a name="35"><span class="lineNum"> 35 </span> : -, + unary minus, plus</a>
|
|
<a name="36"><span class="lineNum"> 36 </span> : !, ~ logical and bitwise negation</a>
|
|
<a name="37"><span class="lineNum"> 37 </span> : ** exponentiation</a>
|
|
<a name="38"><span class="lineNum"> 38 </span> : *, /, % multiplication, division, remainder</a>
|
|
<a name="39"><span class="lineNum"> 39 </span> : +, - addition, subtraction</a>
|
|
<a name="40"><span class="lineNum"> 40 </span> : <<, >> left and right bitwise shifts</a>
|
|
<a name="41"><span class="lineNum"> 41 </span> : <=, >=, <, > comparison</a>
|
|
<a name="42"><span class="lineNum"> 42 </span> : ==, != equality, inequality</a>
|
|
<a name="43"><span class="lineNum"> 43 </span> : & bitwise AND</a>
|
|
<a name="44"><span class="lineNum"> 44 </span> : ^ bitwise XOR</a>
|
|
<a name="45"><span class="lineNum"> 45 </span> : | bitwise OR</a>
|
|
<a name="46"><span class="lineNum"> 46 </span> : && logical AND</a>
|
|
<a name="47"><span class="lineNum"> 47 </span> : || logical OR</a>
|
|
<a name="48"><span class="lineNum"> 48 </span> : expr ? expr : expr</a>
|
|
<a name="49"><span class="lineNum"> 49 </span> : conditional operator</a>
|
|
<a name="50"><span class="lineNum"> 50 </span> : =, *=, /=, %=,</a>
|
|
<a name="51"><span class="lineNum"> 51 </span> : +=, -=, <<=, >>=,</a>
|
|
<a name="52"><span class="lineNum"> 52 </span> : &=, ^=, |= assignment</a>
|
|
<a name="53"><span class="lineNum"> 53 </span> : </a>
|
|
<a name="54"><span class="lineNum"> 54 </span> : Shell variables are allowed as operands. The name of the variable</a>
|
|
<a name="55"><span class="lineNum"> 55 </span> : is replaced by its value (coerced to a fixed-width integer) within</a>
|
|
<a name="56"><span class="lineNum"> 56 </span> : an expression. The variable need not have its integer attribute</a>
|
|
<a name="57"><span class="lineNum"> 57 </span> : turned on to be used in an expression.</a>
|
|
<a name="58"><span class="lineNum"> 58 </span> : </a>
|
|
<a name="59"><span class="lineNum"> 59 </span> : Operators are evaluated in order of precedence. Sub-expressions in</a>
|
|
<a name="60"><span class="lineNum"> 60 </span> : parentheses are evaluated first and may override the precedence</a>
|
|
<a name="61"><span class="lineNum"> 61 </span> : rules above.</a>
|
|
<a name="62"><span class="lineNum"> 62 </span> : </a>
|
|
<a name="63"><span class="lineNum"> 63 </span> : Exit Status:</a>
|
|
<a name="64"><span class="lineNum"> 64 </span> : If the last ARG evaluates to 0, let returns 1; let returns 0 otherwise.</a>
|
|
<a name="65"><span class="lineNum"> 65 </span> : $END</a>
|
|
<a name="66"><span class="lineNum"> 66 </span> : </a>
|
|
<a name="67"><span class="lineNum"> 67 </span> : #include <config.h></a>
|
|
<a name="68"><span class="lineNum"> 68 </span> : </a>
|
|
<a name="69"><span class="lineNum"> 69 </span> : #if defined (HAVE_UNISTD_H)</a>
|
|
<a name="70"><span class="lineNum"> 70 </span> : # ifdef _MINIX</a>
|
|
<a name="71"><span class="lineNum"> 71 </span> : # include <sys/types.h></a>
|
|
<a name="72"><span class="lineNum"> 72 </span> : # endif</a>
|
|
<a name="73"><span class="lineNum"> 73 </span> : # include <unistd.h></a>
|
|
<a name="74"><span class="lineNum"> 74 </span> : #endif</a>
|
|
<a name="75"><span class="lineNum"> 75 </span> : </a>
|
|
<a name="76"><span class="lineNum"> 76 </span> : #include "../bashintl.h"</a>
|
|
<a name="77"><span class="lineNum"> 77 </span> : </a>
|
|
<a name="78"><span class="lineNum"> 78 </span> : #include "../shell.h"</a>
|
|
<a name="79"><span class="lineNum"> 79 </span> : #include "common.h"</a>
|
|
<a name="80"><span class="lineNum"> 80 </span> : </a>
|
|
<a name="81"><span class="lineNum"> 81 </span> : /* Arithmetic LET function. */</a>
|
|
<a name="82"><span class="lineNum"> 82 </span> : int</a>
|
|
<a name="83"><span class="lineNum"> 83 </span><span class="lineCov"> 9 : let_builtin (list)</span></a>
|
|
<a name="84"><span class="lineNum"> 84 </span> : WORD_LIST *list;</a>
|
|
<a name="85"><span class="lineNum"> 85 </span> : {</a>
|
|
<a name="86"><span class="lineNum"> 86 </span><span class="lineCov"> 9 : intmax_t ret;</span></a>
|
|
<a name="87"><span class="lineNum"> 87 </span><span class="lineCov"> 9 : int expok;</span></a>
|
|
<a name="88"><span class="lineNum"> 88 </span> : </a>
|
|
<a name="89"><span class="lineNum"> 89 </span><span class="lineCov"> 9 : CHECK_HELPOPT (list);</span></a>
|
|
<a name="90"><span class="lineNum"> 90 </span> : </a>
|
|
<a name="91"><span class="lineNum"> 91 </span> : /* Skip over leading `--' argument. */</a>
|
|
<a name="92"><span class="lineNum"> 92 </span><span class="lineCov"> 9 : if (list && list->word && ISOPTION (list->word->word, '-'))</span></a>
|
|
<a name="93"><span class="lineNum"> 93 </span><span class="lineNoCov"> 0 : list = list->next;</span></a>
|
|
<a name="94"><span class="lineNum"> 94 </span> : </a>
|
|
<a name="95"><span class="lineNum"> 95 </span><span class="lineCov"> 9 : if (list == 0)</span></a>
|
|
<a name="96"><span class="lineNum"> 96 </span> : {</a>
|
|
<a name="97"><span class="lineNum"> 97 </span><span class="lineNoCov"> 0 : builtin_error (_("expression expected"));</span></a>
|
|
<a name="98"><span class="lineNum"> 98 </span><span class="lineNoCov"> 0 : return (EXECUTION_FAILURE);</span></a>
|
|
<a name="99"><span class="lineNum"> 99 </span> : }</a>
|
|
<a name="100"><span class="lineNum"> 100 </span> : </a>
|
|
<a name="101"><span class="lineNum"> 101 </span><span class="lineCov"> 27 : for (; list; list = list->next)</span></a>
|
|
<a name="102"><span class="lineNum"> 102 </span> : {</a>
|
|
<a name="103"><span class="lineNum"> 103 </span><span class="lineCov"> 27 : ret = evalexp (list->word->word, &expok);</span></a>
|
|
<a name="104"><span class="lineNum"> 104 </span><span class="lineCov"> 27 : if (expok == 0)</span></a>
|
|
<a name="105"><span class="lineNum"> 105 </span> : return (EXECUTION_FAILURE);</a>
|
|
<a name="106"><span class="lineNum"> 106 </span> : }</a>
|
|
<a name="107"><span class="lineNum"> 107 </span> : </a>
|
|
<a name="108"><span class="lineNum"> 108 </span><span class="lineNoCov"> 0 : return ((ret == 0) ? EXECUTION_FAILURE : EXECUTION_SUCCESS);</span></a>
|
|
<a name="109"><span class="lineNum"> 109 </span> : }</a>
|
|
<a name="110"><span class="lineNum"> 110 </span> : </a>
|
|
<a name="111"><span class="lineNum"> 111 </span> : #ifdef INCLUDE_UNUSED</a>
|
|
<a name="112"><span class="lineNum"> 112 </span> : int</a>
|
|
<a name="113"><span class="lineNum"> 113 </span> : exp_builtin (list)</a>
|
|
<a name="114"><span class="lineNum"> 114 </span> : WORD_LIST *list;</a>
|
|
<a name="115"><span class="lineNum"> 115 </span> : {</a>
|
|
<a name="116"><span class="lineNum"> 116 </span> : char *exp;</a>
|
|
<a name="117"><span class="lineNum"> 117 </span> : intmax_t ret;</a>
|
|
<a name="118"><span class="lineNum"> 118 </span> : int expok;</a>
|
|
<a name="119"><span class="lineNum"> 119 </span> : </a>
|
|
<a name="120"><span class="lineNum"> 120 </span> : if (list == 0)</a>
|
|
<a name="121"><span class="lineNum"> 121 </span> : {</a>
|
|
<a name="122"><span class="lineNum"> 122 </span> : builtin_error (_("expression expected"));</a>
|
|
<a name="123"><span class="lineNum"> 123 </span> : return (EXECUTION_FAILURE);</a>
|
|
<a name="124"><span class="lineNum"> 124 </span> : }</a>
|
|
<a name="125"><span class="lineNum"> 125 </span> : </a>
|
|
<a name="126"><span class="lineNum"> 126 </span> : exp = string_list (list);</a>
|
|
<a name="127"><span class="lineNum"> 127 </span> : ret = evalexp (exp, &expok);</a>
|
|
<a name="128"><span class="lineNum"> 128 </span> : (void)free (exp);</a>
|
|
<a name="129"><span class="lineNum"> 129 </span> : return (((ret == 0) || (expok == 0)) ? EXECUTION_FAILURE : EXECUTION_SUCCESS);</a>
|
|
<a name="130"><span class="lineNum"> 130 </span> : }</a>
|
|
<a name="131"><span class="lineNum"> 131 </span> : #endif</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>
|