394 lines
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394 lines
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<td width="35%" class="headerValue"><a href="../index.html">top level</a> - <a href="index.html">builtins</a> - umask.def<span style="font-size: 80%;"> (source / <a href="umask.def.func-sort-c.html">functions</a>)</span></td>
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<td class="headerItem">Test:</td>
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<td class="headerValue">cov-bash.info</td>
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<td></td>
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<td class="headerItem">Lines:</td>
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<td class="headerCovTableEntry">0</td>
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<td class="headerCovTableEntry">132</td>
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<td class="headerItem">Date:</td>
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<td class="headerValue">2020-10-29 14:49:28</td>
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<td></td>
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<td class="headerItem">Functions:</td>
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<td class="headerCovTableEntry">0</td>
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<td class="headerCovTableEntry">4</td>
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<pre class="sourceHeading"> Line data Source code</pre>
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<pre class="source">
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<a name="1"><span class="lineNum"> 1 </span> : This file is umask.def, from which is created umask.c.</a>
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<a name="2"><span class="lineNum"> 2 </span> : It implements the builtin "umask" in Bash.</a>
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<a name="3"><span class="lineNum"> 3 </span> : </a>
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<a name="4"><span class="lineNum"> 4 </span> : Copyright (C) 1987-2015 Free Software Foundation, Inc.</a>
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<a name="5"><span class="lineNum"> 5 </span> : </a>
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<a name="6"><span class="lineNum"> 6 </span> : This file is part of GNU Bash, the Bourne Again SHell.</a>
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<a name="7"><span class="lineNum"> 7 </span> : </a>
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<a name="8"><span class="lineNum"> 8 </span> : Bash is free software: you can redistribute it and/or modify</a>
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<a name="9"><span class="lineNum"> 9 </span> : it under the terms of the GNU General Public License as published by</a>
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<a name="10"><span class="lineNum"> 10 </span> : the Free Software Foundation, either version 3 of the License, or</a>
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<a name="11"><span class="lineNum"> 11 </span> : (at your option) any later version.</a>
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<a name="12"><span class="lineNum"> 12 </span> : </a>
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<a name="13"><span class="lineNum"> 13 </span> : Bash is distributed in the hope that it will be useful,</a>
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<a name="14"><span class="lineNum"> 14 </span> : but WITHOUT ANY WARRANTY; without even the implied warranty of</a>
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<a name="15"><span class="lineNum"> 15 </span> : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</a>
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<a name="16"><span class="lineNum"> 16 </span> : GNU General Public License for more details.</a>
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<a name="17"><span class="lineNum"> 17 </span> : </a>
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<a name="18"><span class="lineNum"> 18 </span> : You should have received a copy of the GNU General Public License</a>
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<a name="19"><span class="lineNum"> 19 </span> : along with Bash. If not, see <http://www.gnu.org/licenses/>.</a>
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<a name="20"><span class="lineNum"> 20 </span> : </a>
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<a name="21"><span class="lineNum"> 21 </span> : $PRODUCES umask.c</a>
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<a name="22"><span class="lineNum"> 22 </span> : </a>
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<a name="23"><span class="lineNum"> 23 </span> : $BUILTIN umask</a>
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<a name="24"><span class="lineNum"> 24 </span> : $FUNCTION umask_builtin</a>
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<a name="25"><span class="lineNum"> 25 </span> : $SHORT_DOC umask [-p] [-S] [mode]</a>
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<a name="26"><span class="lineNum"> 26 </span> : Display or set file mode mask.</a>
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<a name="27"><span class="lineNum"> 27 </span> : </a>
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<a name="28"><span class="lineNum"> 28 </span> : Sets the user file-creation mask to MODE. If MODE is omitted, prints</a>
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<a name="29"><span class="lineNum"> 29 </span> : the current value of the mask.</a>
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<a name="30"><span class="lineNum"> 30 </span> : </a>
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<a name="31"><span class="lineNum"> 31 </span> : If MODE begins with a digit, it is interpreted as an octal number;</a>
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<a name="32"><span class="lineNum"> 32 </span> : otherwise it is a symbolic mode string like that accepted by chmod(1).</a>
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<a name="33"><span class="lineNum"> 33 </span> : </a>
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<a name="34"><span class="lineNum"> 34 </span> : Options:</a>
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<a name="35"><span class="lineNum"> 35 </span> : -p if MODE is omitted, output in a form that may be reused as input</a>
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<a name="36"><span class="lineNum"> 36 </span> : -S makes the output symbolic; otherwise an octal number is output</a>
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<a name="37"><span class="lineNum"> 37 </span> : </a>
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<a name="38"><span class="lineNum"> 38 </span> : Exit Status:</a>
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<a name="39"><span class="lineNum"> 39 </span> : Returns success unless MODE is invalid or an invalid option is given.</a>
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<a name="40"><span class="lineNum"> 40 </span> : $END</a>
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<a name="41"><span class="lineNum"> 41 </span> : </a>
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<a name="42"><span class="lineNum"> 42 </span> : #include <config.h></a>
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<a name="43"><span class="lineNum"> 43 </span> : </a>
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<a name="44"><span class="lineNum"> 44 </span> : #include "../bashtypes.h"</a>
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<a name="45"><span class="lineNum"> 45 </span> : #include "filecntl.h"</a>
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<a name="46"><span class="lineNum"> 46 </span> : #if ! defined(_MINIX) && defined (HAVE_SYS_FILE_H)</a>
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<a name="47"><span class="lineNum"> 47 </span> : # include <sys/file.h></a>
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<a name="48"><span class="lineNum"> 48 </span> : #endif</a>
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<a name="49"><span class="lineNum"> 49 </span> : </a>
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<a name="50"><span class="lineNum"> 50 </span> : #if defined (HAVE_UNISTD_H)</a>
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<a name="51"><span class="lineNum"> 51 </span> : #include <unistd.h></a>
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<a name="52"><span class="lineNum"> 52 </span> : #endif</a>
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<a name="53"><span class="lineNum"> 53 </span> : </a>
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<a name="54"><span class="lineNum"> 54 </span> : #include <stdio.h></a>
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<a name="55"><span class="lineNum"> 55 </span> : #include <chartypes.h></a>
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<a name="56"><span class="lineNum"> 56 </span> : </a>
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<a name="57"><span class="lineNum"> 57 </span> : #include "../bashintl.h"</a>
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<a name="58"><span class="lineNum"> 58 </span> : </a>
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<a name="59"><span class="lineNum"> 59 </span> : #include "../shell.h"</a>
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<a name="60"><span class="lineNum"> 60 </span> : #include "posixstat.h"</a>
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<a name="61"><span class="lineNum"> 61 </span> : #include "common.h"</a>
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<a name="62"><span class="lineNum"> 62 </span> : #include "bashgetopt.h"</a>
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<a name="63"><span class="lineNum"> 63 </span> : </a>
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<a name="64"><span class="lineNum"> 64 </span> : /* **************************************************************** */</a>
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<a name="65"><span class="lineNum"> 65 </span> : /* */</a>
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<a name="66"><span class="lineNum"> 66 </span> : /* UMASK Builtin and Helpers */</a>
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<a name="67"><span class="lineNum"> 67 </span> : /* */</a>
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<a name="68"><span class="lineNum"> 68 </span> : /* **************************************************************** */</a>
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<a name="69"><span class="lineNum"> 69 </span> : </a>
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<a name="70"><span class="lineNum"> 70 </span> : static void print_symbolic_umask __P((mode_t));</a>
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<a name="71"><span class="lineNum"> 71 </span> : static int symbolic_umask __P((WORD_LIST *));</a>
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<a name="72"><span class="lineNum"> 72 </span> : </a>
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<a name="73"><span class="lineNum"> 73 </span> : /* Set or display the mask used by the system when creating files. Flag</a>
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<a name="74"><span class="lineNum"> 74 </span> : of -S means display the umask in a symbolic mode. */</a>
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<a name="75"><span class="lineNum"> 75 </span> : int</a>
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<a name="76"><span class="lineNum"> 76 </span><span class="lineNoCov"> 0 : umask_builtin (list)</span></a>
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<a name="77"><span class="lineNum"> 77 </span> : WORD_LIST *list;</a>
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<a name="78"><span class="lineNum"> 78 </span> : {</a>
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<a name="79"><span class="lineNum"> 79 </span><span class="lineNoCov"> 0 : int print_symbolically, opt, umask_value, pflag;</span></a>
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<a name="80"><span class="lineNum"> 80 </span><span class="lineNoCov"> 0 : mode_t umask_arg;</span></a>
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<a name="81"><span class="lineNum"> 81 </span> : </a>
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<a name="82"><span class="lineNum"> 82 </span><span class="lineNoCov"> 0 : print_symbolically = pflag = 0;</span></a>
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<a name="83"><span class="lineNum"> 83 </span><span class="lineNoCov"> 0 : reset_internal_getopt ();</span></a>
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<a name="84"><span class="lineNum"> 84 </span><span class="lineNoCov"> 0 : while ((opt = internal_getopt (list, "Sp")) != -1)</span></a>
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<a name="85"><span class="lineNum"> 85 </span> : {</a>
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<a name="86"><span class="lineNum"> 86 </span><span class="lineNoCov"> 0 : switch (opt)</span></a>
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<a name="87"><span class="lineNum"> 87 </span> : {</a>
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<a name="88"><span class="lineNum"> 88 </span><span class="lineNoCov"> 0 : case 'S':</span></a>
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<a name="89"><span class="lineNum"> 89 </span><span class="lineNoCov"> 0 : print_symbolically++;</span></a>
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<a name="90"><span class="lineNum"> 90 </span><span class="lineNoCov"> 0 : break;</span></a>
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<a name="91"><span class="lineNum"> 91 </span><span class="lineNoCov"> 0 : case 'p':</span></a>
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<a name="92"><span class="lineNum"> 92 </span><span class="lineNoCov"> 0 : pflag++;</span></a>
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<a name="93"><span class="lineNum"> 93 </span><span class="lineNoCov"> 0 : break;</span></a>
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<a name="94"><span class="lineNum"> 94 </span><span class="lineNoCov"> 0 : CASE_HELPOPT;</span></a>
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<a name="95"><span class="lineNum"> 95 </span><span class="lineNoCov"> 0 : default:</span></a>
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<a name="96"><span class="lineNum"> 96 </span><span class="lineNoCov"> 0 : builtin_usage ();</span></a>
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<a name="97"><span class="lineNum"> 97 </span><span class="lineNoCov"> 0 : return (EX_USAGE);</span></a>
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<a name="98"><span class="lineNum"> 98 </span> : }</a>
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<a name="99"><span class="lineNum"> 99 </span> : }</a>
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<a name="100"><span class="lineNum"> 100 </span> : </a>
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<a name="101"><span class="lineNum"> 101 </span><span class="lineNoCov"> 0 : list = loptend;</span></a>
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<a name="102"><span class="lineNum"> 102 </span> : </a>
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<a name="103"><span class="lineNum"> 103 </span><span class="lineNoCov"> 0 : if (list)</span></a>
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<a name="104"><span class="lineNum"> 104 </span> : {</a>
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<a name="105"><span class="lineNum"> 105 </span><span class="lineNoCov"> 0 : if (DIGIT (*list->word->word))</span></a>
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<a name="106"><span class="lineNum"> 106 </span> : {</a>
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<a name="107"><span class="lineNum"> 107 </span><span class="lineNoCov"> 0 : umask_value = read_octal (list->word->word);</span></a>
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<a name="108"><span class="lineNum"> 108 </span> : </a>
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<a name="109"><span class="lineNum"> 109 </span> : /* Note that other shells just let you set the umask to zero</a>
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<a name="110"><span class="lineNum"> 110 </span> : by specifying a number out of range. This is a problem</a>
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<a name="111"><span class="lineNum"> 111 </span> : with those shells. We don't change the umask if the input</a>
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<a name="112"><span class="lineNum"> 112 </span> : is lousy. */</a>
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<a name="113"><span class="lineNum"> 113 </span><span class="lineNoCov"> 0 : if (umask_value == -1)</span></a>
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<a name="114"><span class="lineNum"> 114 </span> : {</a>
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<a name="115"><span class="lineNum"> 115 </span><span class="lineNoCov"> 0 : sh_erange (list->word->word, _("octal number"));</span></a>
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<a name="116"><span class="lineNum"> 116 </span><span class="lineNoCov"> 0 : return (EXECUTION_FAILURE);</span></a>
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<a name="117"><span class="lineNum"> 117 </span> : }</a>
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<a name="118"><span class="lineNum"> 118 </span> : }</a>
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<a name="119"><span class="lineNum"> 119 </span> : else</a>
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<a name="120"><span class="lineNum"> 120 </span> : {</a>
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<a name="121"><span class="lineNum"> 121 </span><span class="lineNoCov"> 0 : umask_value = symbolic_umask (list);</span></a>
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<a name="122"><span class="lineNum"> 122 </span><span class="lineNoCov"> 0 : if (umask_value == -1)</span></a>
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<a name="123"><span class="lineNum"> 123 </span> : return (EXECUTION_FAILURE);</a>
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<a name="124"><span class="lineNum"> 124 </span> : }</a>
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<a name="125"><span class="lineNum"> 125 </span><span class="lineNoCov"> 0 : umask_arg = (mode_t)umask_value;</span></a>
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<a name="126"><span class="lineNum"> 126 </span><span class="lineNoCov"> 0 : umask (umask_arg);</span></a>
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<a name="127"><span class="lineNum"> 127 </span><span class="lineNoCov"> 0 : if (print_symbolically)</span></a>
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<a name="128"><span class="lineNum"> 128 </span><span class="lineNoCov"> 0 : print_symbolic_umask (umask_arg);</span></a>
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<a name="129"><span class="lineNum"> 129 </span> : }</a>
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<a name="130"><span class="lineNum"> 130 </span> : else /* Display the UMASK for this user. */</a>
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<a name="131"><span class="lineNum"> 131 </span> : {</a>
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<a name="132"><span class="lineNum"> 132 </span><span class="lineNoCov"> 0 : umask_arg = umask (022);</span></a>
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<a name="133"><span class="lineNum"> 133 </span><span class="lineNoCov"> 0 : umask (umask_arg);</span></a>
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<a name="134"><span class="lineNum"> 134 </span> : </a>
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<a name="135"><span class="lineNum"> 135 </span><span class="lineNoCov"> 0 : if (pflag)</span></a>
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<a name="136"><span class="lineNum"> 136 </span><span class="lineNoCov"> 0 : printf ("umask%s ", (print_symbolically ? " -S" : ""));</span></a>
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<a name="137"><span class="lineNum"> 137 </span><span class="lineNoCov"> 0 : if (print_symbolically)</span></a>
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<a name="138"><span class="lineNum"> 138 </span><span class="lineNoCov"> 0 : print_symbolic_umask (umask_arg);</span></a>
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<a name="139"><span class="lineNum"> 139 </span> : else</a>
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<a name="140"><span class="lineNum"> 140 </span><span class="lineNoCov"> 0 : printf ("%04lo\n", (unsigned long)umask_arg);</span></a>
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<a name="141"><span class="lineNum"> 141 </span> : }</a>
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<a name="142"><span class="lineNum"> 142 </span> : </a>
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<a name="143"><span class="lineNum"> 143 </span><span class="lineNoCov"> 0 : return (sh_chkwrite (EXECUTION_SUCCESS));</span></a>
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<a name="144"><span class="lineNum"> 144 </span> : }</a>
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<a name="145"><span class="lineNum"> 145 </span> : </a>
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<a name="146"><span class="lineNum"> 146 </span> : /* Print the umask in a symbolic form. In the output, a letter is</a>
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<a name="147"><span class="lineNum"> 147 </span> : printed if the corresponding bit is clear in the umask. */</a>
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<a name="148"><span class="lineNum"> 148 </span> : static void</a>
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<a name="149"><span class="lineNum"> 149 </span> : #if defined (__STDC__)</a>
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<a name="150"><span class="lineNum"> 150 </span><span class="lineNoCov"> 0 : print_symbolic_umask (mode_t um)</span></a>
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<a name="151"><span class="lineNum"> 151 </span> : #else</a>
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<a name="152"><span class="lineNum"> 152 </span> : print_symbolic_umask (um)</a>
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<a name="153"><span class="lineNum"> 153 </span> : mode_t um;</a>
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<a name="154"><span class="lineNum"> 154 </span> : #endif</a>
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<a name="155"><span class="lineNum"> 155 </span> : {</a>
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<a name="156"><span class="lineNum"> 156 </span><span class="lineNoCov"> 0 : char ubits[4], gbits[4], obits[4]; /* u=rwx,g=rwx,o=rwx */</span></a>
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<a name="157"><span class="lineNum"> 157 </span><span class="lineNoCov"> 0 : int i;</span></a>
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<a name="158"><span class="lineNum"> 158 </span> : </a>
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<a name="159"><span class="lineNum"> 159 </span><span class="lineNoCov"> 0 : i = 0;</span></a>
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<a name="160"><span class="lineNum"> 160 </span><span class="lineNoCov"> 0 : if ((um & S_IRUSR) == 0)</span></a>
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<a name="161"><span class="lineNum"> 161 </span><span class="lineNoCov"> 0 : ubits[i++] = 'r';</span></a>
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<a name="162"><span class="lineNum"> 162 </span><span class="lineNoCov"> 0 : if ((um & S_IWUSR) == 0)</span></a>
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<a name="163"><span class="lineNum"> 163 </span><span class="lineNoCov"> 0 : ubits[i++] = 'w';</span></a>
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<a name="164"><span class="lineNum"> 164 </span><span class="lineNoCov"> 0 : if ((um & S_IXUSR) == 0)</span></a>
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<a name="165"><span class="lineNum"> 165 </span><span class="lineNoCov"> 0 : ubits[i++] = 'x';</span></a>
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<a name="166"><span class="lineNum"> 166 </span><span class="lineNoCov"> 0 : ubits[i] = '\0';</span></a>
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<a name="167"><span class="lineNum"> 167 </span> : </a>
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<a name="168"><span class="lineNum"> 168 </span><span class="lineNoCov"> 0 : i = 0;</span></a>
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<a name="169"><span class="lineNum"> 169 </span><span class="lineNoCov"> 0 : if ((um & S_IRGRP) == 0)</span></a>
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<a name="170"><span class="lineNum"> 170 </span><span class="lineNoCov"> 0 : gbits[i++] = 'r';</span></a>
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<a name="171"><span class="lineNum"> 171 </span><span class="lineNoCov"> 0 : if ((um & S_IWGRP) == 0)</span></a>
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<a name="172"><span class="lineNum"> 172 </span><span class="lineNoCov"> 0 : gbits[i++] = 'w';</span></a>
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<a name="173"><span class="lineNum"> 173 </span><span class="lineNoCov"> 0 : if ((um & S_IXGRP) == 0)</span></a>
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<a name="174"><span class="lineNum"> 174 </span><span class="lineNoCov"> 0 : gbits[i++] = 'x';</span></a>
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<a name="175"><span class="lineNum"> 175 </span><span class="lineNoCov"> 0 : gbits[i] = '\0';</span></a>
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<a name="176"><span class="lineNum"> 176 </span> : </a>
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<a name="177"><span class="lineNum"> 177 </span><span class="lineNoCov"> 0 : i = 0;</span></a>
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<a name="178"><span class="lineNum"> 178 </span><span class="lineNoCov"> 0 : if ((um & S_IROTH) == 0)</span></a>
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<a name="179"><span class="lineNum"> 179 </span><span class="lineNoCov"> 0 : obits[i++] = 'r';</span></a>
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<a name="180"><span class="lineNum"> 180 </span><span class="lineNoCov"> 0 : if ((um & S_IWOTH) == 0)</span></a>
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<a name="181"><span class="lineNum"> 181 </span><span class="lineNoCov"> 0 : obits[i++] = 'w';</span></a>
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<a name="182"><span class="lineNum"> 182 </span><span class="lineNoCov"> 0 : if ((um & S_IXOTH) == 0)</span></a>
|
|
<a name="183"><span class="lineNum"> 183 </span><span class="lineNoCov"> 0 : obits[i++] = 'x';</span></a>
|
|
<a name="184"><span class="lineNum"> 184 </span><span class="lineNoCov"> 0 : obits[i] = '\0';</span></a>
|
|
<a name="185"><span class="lineNum"> 185 </span> : </a>
|
|
<a name="186"><span class="lineNum"> 186 </span><span class="lineNoCov"> 0 : printf ("u=%s,g=%s,o=%s\n", ubits, gbits, obits);</span></a>
|
|
<a name="187"><span class="lineNum"> 187 </span><span class="lineNoCov"> 0 : }</span></a>
|
|
<a name="188"><span class="lineNum"> 188 </span> : </a>
|
|
<a name="189"><span class="lineNum"> 189 </span> : int</a>
|
|
<a name="190"><span class="lineNum"> 190 </span><span class="lineNoCov"> 0 : parse_symbolic_mode (mode, initial_bits)</span></a>
|
|
<a name="191"><span class="lineNum"> 191 </span> : char *mode;</a>
|
|
<a name="192"><span class="lineNum"> 192 </span> : int initial_bits;</a>
|
|
<a name="193"><span class="lineNum"> 193 </span> : {</a>
|
|
<a name="194"><span class="lineNum"> 194 </span><span class="lineNoCov"> 0 : int who, op, perm, bits, c;</span></a>
|
|
<a name="195"><span class="lineNum"> 195 </span><span class="lineNoCov"> 0 : char *s;</span></a>
|
|
<a name="196"><span class="lineNum"> 196 </span> : </a>
|
|
<a name="197"><span class="lineNum"> 197 </span><span class="lineNoCov"> 0 : for (s = mode, bits = initial_bits;;)</span></a>
|
|
<a name="198"><span class="lineNum"> 198 </span> : {</a>
|
|
<a name="199"><span class="lineNum"> 199 </span><span class="lineNoCov"> 0 : who = op = perm = 0;</span></a>
|
|
<a name="200"><span class="lineNum"> 200 </span> : </a>
|
|
<a name="201"><span class="lineNum"> 201 </span> : /* Parse the `who' portion of the symbolic mode clause. */</a>
|
|
<a name="202"><span class="lineNum"> 202 </span><span class="lineNoCov"> 0 : while (member (*s, "agou"))</span></a>
|
|
<a name="203"><span class="lineNum"> 203 </span> : {</a>
|
|
<a name="204"><span class="lineNum"> 204 </span><span class="lineNoCov"> 0 : switch (c = *s++)</span></a>
|
|
<a name="205"><span class="lineNum"> 205 </span> : {</a>
|
|
<a name="206"><span class="lineNum"> 206 </span><span class="lineNoCov"> 0 : case 'u':</span></a>
|
|
<a name="207"><span class="lineNum"> 207 </span><span class="lineNoCov"> 0 : who |= S_IRWXU;</span></a>
|
|
<a name="208"><span class="lineNum"> 208 </span><span class="lineNoCov"> 0 : continue;</span></a>
|
|
<a name="209"><span class="lineNum"> 209 </span><span class="lineNoCov"> 0 : case 'g':</span></a>
|
|
<a name="210"><span class="lineNum"> 210 </span><span class="lineNoCov"> 0 : who |= S_IRWXG;</span></a>
|
|
<a name="211"><span class="lineNum"> 211 </span><span class="lineNoCov"> 0 : continue;</span></a>
|
|
<a name="212"><span class="lineNum"> 212 </span><span class="lineNoCov"> 0 : case 'o':</span></a>
|
|
<a name="213"><span class="lineNum"> 213 </span><span class="lineNoCov"> 0 : who |= S_IRWXO;</span></a>
|
|
<a name="214"><span class="lineNum"> 214 </span><span class="lineNoCov"> 0 : continue;</span></a>
|
|
<a name="215"><span class="lineNum"> 215 </span><span class="lineNoCov"> 0 : case 'a':</span></a>
|
|
<a name="216"><span class="lineNum"> 216 </span><span class="lineNoCov"> 0 : who |= S_IRWXU | S_IRWXG | S_IRWXO;</span></a>
|
|
<a name="217"><span class="lineNum"> 217 </span><span class="lineNoCov"> 0 : continue;</span></a>
|
|
<a name="218"><span class="lineNum"> 218 </span> : default:</a>
|
|
<a name="219"><span class="lineNum"> 219 </span> : break;</a>
|
|
<a name="220"><span class="lineNum"> 220 </span> : }</a>
|
|
<a name="221"><span class="lineNum"> 221 </span> : }</a>
|
|
<a name="222"><span class="lineNum"> 222 </span> : </a>
|
|
<a name="223"><span class="lineNum"> 223 </span> : /* The operation is now sitting in *s. */</a>
|
|
<a name="224"><span class="lineNum"> 224 </span><span class="lineNoCov"> 0 : op = *s++;</span></a>
|
|
<a name="225"><span class="lineNum"> 225 </span><span class="lineNoCov"> 0 : switch (op)</span></a>
|
|
<a name="226"><span class="lineNum"> 226 </span> : {</a>
|
|
<a name="227"><span class="lineNum"> 227 </span> : case '+':</a>
|
|
<a name="228"><span class="lineNum"> 228 </span> : case '-':</a>
|
|
<a name="229"><span class="lineNum"> 229 </span> : case '=':</a>
|
|
<a name="230"><span class="lineNum"> 230 </span> : break;</a>
|
|
<a name="231"><span class="lineNum"> 231 </span><span class="lineNoCov"> 0 : default:</span></a>
|
|
<a name="232"><span class="lineNum"> 232 </span><span class="lineNoCov"> 0 : builtin_error (_("`%c': invalid symbolic mode operator"), op);</span></a>
|
|
<a name="233"><span class="lineNum"> 233 </span><span class="lineNoCov"> 0 : return (-1);</span></a>
|
|
<a name="234"><span class="lineNum"> 234 </span> : }</a>
|
|
<a name="235"><span class="lineNum"> 235 </span> : </a>
|
|
<a name="236"><span class="lineNum"> 236 </span> : /* Parse out the `perm' section of the symbolic mode clause. */</a>
|
|
<a name="237"><span class="lineNum"> 237 </span><span class="lineNoCov"> 0 : while (member (*s, "rwx"))</span></a>
|
|
<a name="238"><span class="lineNum"> 238 </span> : {</a>
|
|
<a name="239"><span class="lineNum"> 239 </span><span class="lineNoCov"> 0 : c = *s++;</span></a>
|
|
<a name="240"><span class="lineNum"> 240 </span> : </a>
|
|
<a name="241"><span class="lineNum"> 241 </span><span class="lineNoCov"> 0 : switch (c)</span></a>
|
|
<a name="242"><span class="lineNum"> 242 </span> : {</a>
|
|
<a name="243"><span class="lineNum"> 243 </span><span class="lineNoCov"> 0 : case 'r':</span></a>
|
|
<a name="244"><span class="lineNum"> 244 </span><span class="lineNoCov"> 0 : perm |= S_IRUGO;</span></a>
|
|
<a name="245"><span class="lineNum"> 245 </span><span class="lineNoCov"> 0 : break;</span></a>
|
|
<a name="246"><span class="lineNum"> 246 </span><span class="lineNoCov"> 0 : case 'w':</span></a>
|
|
<a name="247"><span class="lineNum"> 247 </span><span class="lineNoCov"> 0 : perm |= S_IWUGO;</span></a>
|
|
<a name="248"><span class="lineNum"> 248 </span><span class="lineNoCov"> 0 : break;</span></a>
|
|
<a name="249"><span class="lineNum"> 249 </span><span class="lineNoCov"> 0 : case 'x':</span></a>
|
|
<a name="250"><span class="lineNum"> 250 </span><span class="lineNoCov"> 0 : perm |= S_IXUGO;</span></a>
|
|
<a name="251"><span class="lineNum"> 251 </span><span class="lineNoCov"> 0 : break;</span></a>
|
|
<a name="252"><span class="lineNum"> 252 </span> : }</a>
|
|
<a name="253"><span class="lineNum"> 253 </span> : }</a>
|
|
<a name="254"><span class="lineNum"> 254 </span> : </a>
|
|
<a name="255"><span class="lineNum"> 255 </span> : /* Now perform the operation or return an error for a</a>
|
|
<a name="256"><span class="lineNum"> 256 </span> : bad permission string. */</a>
|
|
<a name="257"><span class="lineNum"> 257 </span><span class="lineNoCov"> 0 : if (!*s || *s == ',')</span></a>
|
|
<a name="258"><span class="lineNum"> 258 </span> : {</a>
|
|
<a name="259"><span class="lineNum"> 259 </span><span class="lineNoCov"> 0 : if (who)</span></a>
|
|
<a name="260"><span class="lineNum"> 260 </span><span class="lineNoCov"> 0 : perm &= who;</span></a>
|
|
<a name="261"><span class="lineNum"> 261 </span> : </a>
|
|
<a name="262"><span class="lineNum"> 262 </span><span class="lineNoCov"> 0 : switch (op)</span></a>
|
|
<a name="263"><span class="lineNum"> 263 </span> : {</a>
|
|
<a name="264"><span class="lineNum"> 264 </span><span class="lineNoCov"> 0 : case '+':</span></a>
|
|
<a name="265"><span class="lineNum"> 265 </span><span class="lineNoCov"> 0 : bits |= perm;</span></a>
|
|
<a name="266"><span class="lineNum"> 266 </span><span class="lineNoCov"> 0 : break;</span></a>
|
|
<a name="267"><span class="lineNum"> 267 </span><span class="lineNoCov"> 0 : case '-':</span></a>
|
|
<a name="268"><span class="lineNum"> 268 </span><span class="lineNoCov"> 0 : bits &= ~perm;</span></a>
|
|
<a name="269"><span class="lineNum"> 269 </span><span class="lineNoCov"> 0 : break;</span></a>
|
|
<a name="270"><span class="lineNum"> 270 </span><span class="lineNoCov"> 0 : case '=':</span></a>
|
|
<a name="271"><span class="lineNum"> 271 </span><span class="lineNoCov"> 0 : if (who == 0)</span></a>
|
|
<a name="272"><span class="lineNum"> 272 </span><span class="lineNoCov"> 0 : who = S_IRWXU | S_IRWXG | S_IRWXO;</span></a>
|
|
<a name="273"><span class="lineNum"> 273 </span><span class="lineNoCov"> 0 : bits &= ~who;</span></a>
|
|
<a name="274"><span class="lineNum"> 274 </span><span class="lineNoCov"> 0 : bits |= perm;</span></a>
|
|
<a name="275"><span class="lineNum"> 275 </span><span class="lineNoCov"> 0 : break;</span></a>
|
|
<a name="276"><span class="lineNum"> 276 </span> : </a>
|
|
<a name="277"><span class="lineNum"> 277 </span> : /* No other values are possible. */</a>
|
|
<a name="278"><span class="lineNum"> 278 </span> : }</a>
|
|
<a name="279"><span class="lineNum"> 279 </span> : </a>
|
|
<a name="280"><span class="lineNum"> 280 </span><span class="lineNoCov"> 0 : if (*s == '\0')</span></a>
|
|
<a name="281"><span class="lineNum"> 281 </span> : break;</a>
|
|
<a name="282"><span class="lineNum"> 282 </span> : else</a>
|
|
<a name="283"><span class="lineNum"> 283 </span><span class="lineNoCov"> 0 : s++; /* skip past ',' */</span></a>
|
|
<a name="284"><span class="lineNum"> 284 </span> : }</a>
|
|
<a name="285"><span class="lineNum"> 285 </span> : else</a>
|
|
<a name="286"><span class="lineNum"> 286 </span> : {</a>
|
|
<a name="287"><span class="lineNum"> 287 </span><span class="lineNoCov"> 0 : builtin_error (_("`%c': invalid symbolic mode character"), *s);</span></a>
|
|
<a name="288"><span class="lineNum"> 288 </span><span class="lineNoCov"> 0 : return (-1);</span></a>
|
|
<a name="289"><span class="lineNum"> 289 </span> : }</a>
|
|
<a name="290"><span class="lineNum"> 290 </span> : }</a>
|
|
<a name="291"><span class="lineNum"> 291 </span> : </a>
|
|
<a name="292"><span class="lineNum"> 292 </span> : return (bits);</a>
|
|
<a name="293"><span class="lineNum"> 293 </span> : }</a>
|
|
<a name="294"><span class="lineNum"> 294 </span> : </a>
|
|
<a name="295"><span class="lineNum"> 295 </span> : /* Set the umask from a symbolic mode string similar to that accepted</a>
|
|
<a name="296"><span class="lineNum"> 296 </span> : by chmod. If the -S argument is given, then print the umask in a</a>
|
|
<a name="297"><span class="lineNum"> 297 </span> : symbolic form. */</a>
|
|
<a name="298"><span class="lineNum"> 298 </span> : static int</a>
|
|
<a name="299"><span class="lineNum"> 299 </span><span class="lineNoCov"> 0 : symbolic_umask (list)</span></a>
|
|
<a name="300"><span class="lineNum"> 300 </span> : WORD_LIST *list;</a>
|
|
<a name="301"><span class="lineNum"> 301 </span> : {</a>
|
|
<a name="302"><span class="lineNum"> 302 </span><span class="lineNoCov"> 0 : int um, bits;</span></a>
|
|
<a name="303"><span class="lineNum"> 303 </span> : </a>
|
|
<a name="304"><span class="lineNum"> 304 </span> : /* Get the initial umask. Don't change it yet. */</a>
|
|
<a name="305"><span class="lineNum"> 305 </span><span class="lineNoCov"> 0 : um = umask (022);</span></a>
|
|
<a name="306"><span class="lineNum"> 306 </span><span class="lineNoCov"> 0 : umask (um);</span></a>
|
|
<a name="307"><span class="lineNum"> 307 </span> : </a>
|
|
<a name="308"><span class="lineNum"> 308 </span> : /* All work is done with the complement of the umask -- it's</a>
|
|
<a name="309"><span class="lineNum"> 309 </span> : more intuitive and easier to deal with. It is complemented</a>
|
|
<a name="310"><span class="lineNum"> 310 </span> : again before being returned. */</a>
|
|
<a name="311"><span class="lineNum"> 311 </span><span class="lineNoCov"> 0 : bits = parse_symbolic_mode (list->word->word, ~um & 0777);</span></a>
|
|
<a name="312"><span class="lineNum"> 312 </span><span class="lineNoCov"> 0 : if (bits == -1)</span></a>
|
|
<a name="313"><span class="lineNum"> 313 </span><span class="lineNoCov"> 0 : return (-1);</span></a>
|
|
<a name="314"><span class="lineNum"> 314 </span> : </a>
|
|
<a name="315"><span class="lineNum"> 315 </span><span class="lineNoCov"> 0 : um = ~bits & 0777;</span></a>
|
|
<a name="316"><span class="lineNum"> 316 </span><span class="lineNoCov"> 0 : return (um);</span></a>
|
|
<a name="317"><span class="lineNum"> 317 </span> : }</a>
|
|
</pre>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
<br>
|
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<table width="100%" border=0 cellspacing=0 cellpadding=0>
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<tr><td class="ruler"><img src="../glass.png" width=3 height=3 alt=""></td></tr>
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<tr><td class="versionInfo">Generated by: <a href="http://ltp.sourceforge.net/coverage/lcov.php" target="_parent">LCOV version 1.14.0.6.4058</a></td></tr>
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</table>
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<br>
|
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</body>
|
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</html>
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