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21 <a class="el" href="dir_aa575cee5acc3b84cc5b4489187a1fd3.html">examples</a> » <a class="el" href="dir_4f45567b048264117a95e53b67d9aefb.html">TestMasterSlave</a></div> |
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22 <h1>getopt.c</h1><a href="TestMasterSlave_2getopt_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* from http://www.pwilson.net/getopt.html */</span> |
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23 <a name="l00002"></a>00002 |
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24 <a name="l00003"></a>00003 <span class="comment">/* Getopt for GNU.</span> |
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25 <a name="l00004"></a>00004 <span class="comment"> NOTE: getopt is now part of the C library, so if you don't know what</span> |
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26 <a name="l00005"></a>00005 <span class="comment"> "Keep this file name-space clean" means, talk to drepper@gnu.org</span> |
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27 <a name="l00006"></a>00006 <span class="comment"> before changing it!</span> |
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28 <a name="l00007"></a>00007 <span class="comment"> Copyright (C) 1987,88,89,90,91,92,93,94,95,96,98,99,2000,2001</span> |
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29 <a name="l00008"></a>00008 <span class="comment"> Free Software Foundation, Inc.</span> |
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30 <a name="l00009"></a>00009 <span class="comment"> This file is part of the GNU C Library.</span> |
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31 <a name="l00010"></a>00010 <span class="comment"></span> |
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32 <a name="l00011"></a>00011 <span class="comment"> The GNU C Library is free software; you can redistribute it and/or</span> |
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33 <a name="l00012"></a>00012 <span class="comment"> modify it under the terms of the GNU Lesser General Public</span> |
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34 <a name="l00013"></a>00013 <span class="comment"> License as published by the Free Software Foundation; either</span> |
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35 <a name="l00014"></a>00014 <span class="comment"> version 2.1 of the License, or (at your option) any later version.</span> |
|
36 <a name="l00015"></a>00015 <span class="comment"></span> |
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37 <a name="l00016"></a>00016 <span class="comment"> The GNU C Library is distributed in the hope that it will be useful,</span> |
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38 <a name="l00017"></a>00017 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span> |
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39 <a name="l00018"></a>00018 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span> |
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40 <a name="l00019"></a>00019 <span class="comment"> Lesser General Public License for more details.</span> |
|
41 <a name="l00020"></a>00020 <span class="comment"></span> |
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42 <a name="l00021"></a>00021 <span class="comment"> You should have received a copy of the GNU Lesser General Public</span> |
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43 <a name="l00022"></a>00022 <span class="comment"> License along with the GNU C Library; if not, write to the Free</span> |
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44 <a name="l00023"></a>00023 <span class="comment"> Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA</span> |
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45 <a name="l00024"></a>00024 <span class="comment"> 02111-1307 USA. */</span> |
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46 <a name="l00025"></a>00025 |
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47 <a name="l00026"></a>00026 <span class="comment">/* This tells Alpha OSF/1 not to define a getopt prototype in <stdio.h>.</span> |
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48 <a name="l00027"></a>00027 <span class="comment"> Ditto for AIX 3.2 and <stdlib.h>. */</span> |
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49 <a name="l00028"></a>00028 <span class="preprocessor">#ifndef _NO_PROTO</span> |
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50 <a name="l00029"></a>00029 <span class="preprocessor"></span><span class="preprocessor"># define _NO_PROTO</span> |
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51 <a name="l00030"></a>00030 <span class="preprocessor"></span><span class="preprocessor">#endif</span> |
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52 <a name="l00031"></a>00031 <span class="preprocessor"></span> |
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53 <a name="l00032"></a>00032 <span class="preprocessor">#ifdef HAVE_CONFIG_H</span> |
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54 <a name="l00033"></a>00033 <span class="preprocessor"></span><span class="preprocessor"># include <config.h></span> |
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55 <a name="l00034"></a>00034 <span class="preprocessor">#endif</span> |
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56 <a name="l00035"></a>00035 <span class="preprocessor"></span> |
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57 <a name="l00036"></a>00036 <span class="preprocessor">#if !defined __STDC__ || !__STDC__</span> |
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58 <a name="l00037"></a>00037 <span class="preprocessor"></span><span class="comment">/* This is a separate conditional since some stdc systems</span> |
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59 <a name="l00038"></a>00038 <span class="comment"> reject `defined (const)'. */</span> |
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60 <a name="l00039"></a>00039 <span class="preprocessor"># ifndef const</span> |
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61 <a name="l00040"></a>00040 <span class="preprocessor"></span><span class="preprocessor"># define const</span> |
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62 <a name="l00041"></a>00041 <span class="preprocessor"></span><span class="preprocessor"># endif</span> |
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63 <a name="l00042"></a>00042 <span class="preprocessor"></span><span class="preprocessor">#endif</span> |
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64 <a name="l00043"></a>00043 <span class="preprocessor"></span> |
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65 <a name="l00044"></a>00044 <span class="preprocessor">#include <stdio.h></span> |
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66 <a name="l00045"></a>00045 |
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67 <a name="l00046"></a>00046 <span class="comment">/* Comment out all this code if we are using the GNU C Library, and are not</span> |
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68 <a name="l00047"></a>00047 <span class="comment"> actually compiling the library itself. This code is part of the GNU C</span> |
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69 <a name="l00048"></a>00048 <span class="comment"> Library, but also included in many other GNU distributions. Compiling</span> |
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70 <a name="l00049"></a>00049 <span class="comment"> and linking in this code is a waste when using the GNU C library</span> |
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71 <a name="l00050"></a>00050 <span class="comment"> (especially if it is a shared library). Rather than having every GNU</span> |
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72 <a name="l00051"></a>00051 <span class="comment"> program understand `configure --with-gnu-libc' and omit the object files,</span> |
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73 <a name="l00052"></a>00052 <span class="comment"> it is simpler to just do this in the source for each such file. */</span> |
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74 <a name="l00053"></a>00053 |
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75 <a name="l00054"></a><a class="code" href="TestMasterSlave_2getopt_8c.html#6ba4529b087522128cc7bcce0849d32b">00054</a> <span class="preprocessor">#define GETOPT_INTERFACE_VERSION 2</span> |
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76 <a name="l00055"></a>00055 <span class="preprocessor"></span><span class="preprocessor">#if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2</span> |
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77 <a name="l00056"></a>00056 <span class="preprocessor"></span><span class="preprocessor"># include <gnu-versions.h></span> |
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78 <a name="l00057"></a>00057 <span class="preprocessor"># if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION</span> |
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79 <a name="l00058"></a>00058 <span class="preprocessor"></span><span class="preprocessor"># define ELIDE_CODE</span> |
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80 <a name="l00059"></a>00059 <span class="preprocessor"></span><span class="preprocessor"># endif</span> |
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81 <a name="l00060"></a>00060 <span class="preprocessor"></span><span class="preprocessor">#endif</span> |
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82 <a name="l00061"></a>00061 <span class="preprocessor"></span> |
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83 <a name="l00062"></a>00062 <span class="preprocessor">#ifndef ELIDE_CODE</span> |
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84 <a name="l00063"></a>00063 <span class="preprocessor"></span> |
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85 <a name="l00064"></a>00064 |
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86 <a name="l00065"></a>00065 <span class="comment">/* This needs to come after some library #include</span> |
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87 <a name="l00066"></a>00066 <span class="comment"> to get __GNU_LIBRARY__ defined. */</span> |
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88 <a name="l00067"></a>00067 <span class="preprocessor">#ifdef __GNU_LIBRARY__</span> |
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89 <a name="l00068"></a>00068 <span class="preprocessor"></span><span class="comment">/* Don't include stdlib.h for non-GNU C libraries because some of them</span> |
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90 <a name="l00069"></a>00069 <span class="comment"> contain conflicting prototypes for getopt. */</span> |
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91 <a name="l00070"></a>00070 <span class="preprocessor"># include <stdlib.h></span> |
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92 <a name="l00071"></a>00071 <span class="preprocessor"># include <unistd.h></span> |
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93 <a name="l00072"></a>00072 <span class="preprocessor">#endif </span><span class="comment">/* GNU C library. */</span> |
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94 <a name="l00073"></a>00073 |
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95 <a name="l00074"></a>00074 <span class="preprocessor">#ifdef VMS</span> |
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96 <a name="l00075"></a>00075 <span class="preprocessor"></span><span class="preprocessor"># include <unixlib.h></span> |
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97 <a name="l00076"></a>00076 <span class="preprocessor"># if HAVE_STRING_H - 0</span> |
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98 <a name="l00077"></a>00077 <span class="preprocessor"></span><span class="preprocessor"># include <string.h></span> |
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99 <a name="l00078"></a>00078 <span class="preprocessor"># endif</span> |
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100 <a name="l00079"></a>00079 <span class="preprocessor"></span><span class="preprocessor">#endif</span> |
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101 <a name="l00080"></a>00080 <span class="preprocessor"></span> |
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102 <a name="l00081"></a>00081 <span class="preprocessor">#ifndef _</span> |
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103 <a name="l00082"></a>00082 <span class="preprocessor"></span><span class="comment">/* This is for other GNU distributions with internationalized messages. */</span> |
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104 <a name="l00083"></a>00083 <span class="preprocessor"># if (HAVE_LIBINTL_H && ENABLE_NLS) || defined _LIBC</span> |
|
105 <a name="l00084"></a>00084 <span class="preprocessor"></span><span class="preprocessor"># include <libintl.h></span> |
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106 <a name="l00085"></a>00085 <span class="preprocessor"># ifndef _</span> |
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107 <a name="l00086"></a>00086 <span class="preprocessor"></span><span class="preprocessor"># define _(msgid) gettext (msgid)</span> |
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108 <a name="l00087"></a>00087 <span class="preprocessor"></span><span class="preprocessor"># endif</span> |
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109 <a name="l00088"></a>00088 <span class="preprocessor"></span><span class="preprocessor"># else</span> |
|
110 <a name="l00089"></a><a class="code" href="TestMasterSlave_2getopt_8c.html#5f89d3f05faaa6e056f725126282a799">00089</a> <span class="preprocessor"></span><span class="preprocessor"># define _(msgid) (msgid)</span> |
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111 <a name="l00090"></a>00090 <span class="preprocessor"></span><span class="preprocessor"># endif</span> |
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112 <a name="l00091"></a>00091 <span class="preprocessor"></span><span class="preprocessor"># if defined _LIBC && defined USE_IN_LIBIO</span> |
|
113 <a name="l00092"></a>00092 <span class="preprocessor"></span><span class="preprocessor"># include <wchar.h></span> |
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114 <a name="l00093"></a>00093 <span class="preprocessor"># endif</span> |
|
115 <a name="l00094"></a>00094 <span class="preprocessor"></span><span class="preprocessor">#endif</span> |
|
116 <a name="l00095"></a>00095 <span class="preprocessor"></span> |
|
117 <a name="l00096"></a>00096 <span class="comment">/* This version of `getopt' appears to the caller like standard Unix `getopt'</span> |
|
118 <a name="l00097"></a>00097 <span class="comment"> but it behaves differently for the user, since it allows the user</span> |
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119 <a name="l00098"></a>00098 <span class="comment"> to intersperse the options with the other arguments.</span> |
|
120 <a name="l00099"></a>00099 <span class="comment"></span> |
|
121 <a name="l00100"></a>00100 <span class="comment"> As `getopt' works, it permutes the elements of ARGV so that,</span> |
|
122 <a name="l00101"></a>00101 <span class="comment"> when it is done, all the options precede everything else. Thus</span> |
|
123 <a name="l00102"></a>00102 <span class="comment"> all application programs are extended to handle flexible argument order.</span> |
|
124 <a name="l00103"></a>00103 <span class="comment"></span> |
|
125 <a name="l00104"></a>00104 <span class="comment"> Setting the environment variable POSIXLY_CORRECT disables permutation.</span> |
|
126 <a name="l00105"></a>00105 <span class="comment"> Then the behavior is completely standard.</span> |
|
127 <a name="l00106"></a>00106 <span class="comment"></span> |
|
128 <a name="l00107"></a>00107 <span class="comment"> GNU application programs can use a third alternative mode in which</span> |
|
129 <a name="l00108"></a>00108 <span class="comment"> they can distinguish the relative order of options and other arguments. */</span> |
|
130 <a name="l00109"></a>00109 |
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131 <a name="l00110"></a>00110 <span class="preprocessor">#include "<a class="code" href="TestMasterSlave_2getopt_8h.html">getopt.h</a>"</span> |
|
132 <a name="l00111"></a>00111 |
|
133 <a name="l00112"></a>00112 <span class="comment">/* For communication from `getopt' to the caller.</span> |
|
134 <a name="l00113"></a>00113 <span class="comment"> When `getopt' finds an option that takes an argument,</span> |
|
135 <a name="l00114"></a>00114 <span class="comment"> the argument value is returned here.</span> |
|
136 <a name="l00115"></a>00115 <span class="comment"> Also, when `ordering' is RETURN_IN_ORDER,</span> |
|
137 <a name="l00116"></a>00116 <span class="comment"> each non-option ARGV-element is returned here. */</span> |
|
138 <a name="l00117"></a>00117 |
|
139 <a name="l00118"></a><a class="code" href="TestMasterMicroMod_2getopt_8h.html#a2d33a77952a7e6973146c1284042818">00118</a> <span class="keywordtype">char</span> *<a class="code" href="TestMasterSlave_2getopt_8c.html#a2d33a77952a7e6973146c1284042818">optarg</a>; |
|
140 <a name="l00119"></a>00119 |
|
141 <a name="l00120"></a>00120 <span class="comment">/* Index in ARGV of the next element to be scanned.</span> |
|
142 <a name="l00121"></a>00121 <span class="comment"> This is used for communication to and from the caller</span> |
|
143 <a name="l00122"></a>00122 <span class="comment"> and for communication between successive calls to `getopt'.</span> |
|
144 <a name="l00123"></a>00123 <span class="comment"></span> |
|
145 <a name="l00124"></a>00124 <span class="comment"> On entry to `getopt', zero means this is the first call; initialize.</span> |
|
146 <a name="l00125"></a>00125 <span class="comment"></span> |
|
147 <a name="l00126"></a>00126 <span class="comment"> When `getopt' returns -1, this is the index of the first of the</span> |
|
148 <a name="l00127"></a>00127 <span class="comment"> non-option elements that the caller should itself scan.</span> |
|
149 <a name="l00128"></a>00128 <span class="comment"></span> |
|
150 <a name="l00129"></a>00129 <span class="comment"> Otherwise, `optind' communicates from one call to the next</span> |
|
151 <a name="l00130"></a>00130 <span class="comment"> how much of ARGV has been scanned so far. */</span> |
|
152 <a name="l00131"></a>00131 |
|
153 <a name="l00132"></a>00132 <span class="comment">/* 1003.2 says this must be 1 before any call. */</span> |
|
154 <a name="l00133"></a><a class="code" href="TestMasterMicroMod_2getopt_8h.html#87eb6bb97b34e1d4c6b85f8a23db5858">00133</a> <span class="keywordtype">int</span> <a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a> = 1; |
|
155 <a name="l00134"></a>00134 |
|
156 <a name="l00135"></a>00135 <span class="comment">/* Formerly, initialization of getopt depended on optind==0, which</span> |
|
157 <a name="l00136"></a>00136 <span class="comment"> causes problems with re-calling getopt as programs generally don't</span> |
|
158 <a name="l00137"></a>00137 <span class="comment"> know that. */</span> |
|
159 <a name="l00138"></a>00138 |
|
160 <a name="l00139"></a><a class="code" href="TestMasterSlave_2getopt_8c.html#43b2a4340a24537cc6364835f9d73fb5">00139</a> <span class="keywordtype">int</span> <a class="code" href="TestMasterSlave_2getopt_8c.html#43b2a4340a24537cc6364835f9d73fb5">__getopt_initialized</a>; |
|
161 <a name="l00140"></a>00140 |
|
162 <a name="l00141"></a>00141 <span class="comment">/* The next char to be scanned in the option-element</span> |
|
163 <a name="l00142"></a>00142 <span class="comment"> in which the last option character we returned was found.</span> |
|
164 <a name="l00143"></a>00143 <span class="comment"> This allows us to pick up the scan where we left off.</span> |
|
165 <a name="l00144"></a>00144 <span class="comment"></span> |
|
166 <a name="l00145"></a>00145 <span class="comment"> If this is zero, or a null string, it means resume the scan</span> |
|
167 <a name="l00146"></a>00146 <span class="comment"> by advancing to the next ARGV-element. */</span> |
|
168 <a name="l00147"></a>00147 |
|
169 <a name="l00148"></a>00148 <span class="keyword">static</span> <span class="keywordtype">char</span> *nextchar; |
|
170 <a name="l00149"></a>00149 |
|
171 <a name="l00150"></a>00150 <span class="comment">/* Callers store zero here to inhibit the error message</span> |
|
172 <a name="l00151"></a>00151 <span class="comment"> for unrecognized options. */</span> |
|
173 <a name="l00152"></a>00152 |
|
174 <a name="l00153"></a><a class="code" href="TestMasterMicroMod_2getopt_8h.html#2d5d57aa71d16b312a92ac70f91c44f1">00153</a> <span class="keywordtype">int</span> <a class="code" href="TestMasterSlave_2getopt_8c.html#2d5d57aa71d16b312a92ac70f91c44f1">opterr</a> = 1; |
|
175 <a name="l00154"></a>00154 |
|
176 <a name="l00155"></a>00155 <span class="comment">/* Set to an option character which was unrecognized.</span> |
|
177 <a name="l00156"></a>00156 <span class="comment"> This must be initialized on some systems to avoid linking in the</span> |
|
178 <a name="l00157"></a>00157 <span class="comment"> system's own getopt implementation. */</span> |
|
179 <a name="l00158"></a>00158 |
|
180 <a name="l00159"></a><a class="code" href="TestMasterMicroMod_2getopt_8h.html#b3d1db20633bdbad253accdec2f9477f">00159</a> <span class="keywordtype">int</span> <a class="code" href="TestMasterSlave_2getopt_8c.html#b3d1db20633bdbad253accdec2f9477f">optopt</a> = <span class="charliteral">'?'</span>; |
|
181 <a name="l00160"></a>00160 |
|
182 <a name="l00161"></a>00161 <span class="comment">/* Describe how to deal with options that follow non-option ARGV-elements.</span> |
|
183 <a name="l00162"></a>00162 <span class="comment"></span> |
|
184 <a name="l00163"></a>00163 <span class="comment"> If the caller did not specify anything,</span> |
|
185 <a name="l00164"></a>00164 <span class="comment"> the default is REQUIRE_ORDER if the environment variable</span> |
|
186 <a name="l00165"></a>00165 <span class="comment"> POSIXLY_CORRECT is defined, PERMUTE otherwise.</span> |
|
187 <a name="l00166"></a>00166 <span class="comment"></span> |
|
188 <a name="l00167"></a>00167 <span class="comment"> REQUIRE_ORDER means don't recognize them as options;</span> |
|
189 <a name="l00168"></a>00168 <span class="comment"> stop option processing when the first non-option is seen.</span> |
|
190 <a name="l00169"></a>00169 <span class="comment"> This is what Unix does.</span> |
|
191 <a name="l00170"></a>00170 <span class="comment"> This mode of operation is selected by either setting the environment</span> |
|
192 <a name="l00171"></a>00171 <span class="comment"> variable POSIXLY_CORRECT, or using `+' as the first character</span> |
|
193 <a name="l00172"></a>00172 <span class="comment"> of the list of option characters.</span> |
|
194 <a name="l00173"></a>00173 <span class="comment"></span> |
|
195 <a name="l00174"></a>00174 <span class="comment"> PERMUTE is the default. We permute the contents of ARGV as we scan,</span> |
|
196 <a name="l00175"></a>00175 <span class="comment"> so that eventually all the non-options are at the end. This allows options</span> |
|
197 <a name="l00176"></a>00176 <span class="comment"> to be given in any order, even with programs that were not written to</span> |
|
198 <a name="l00177"></a>00177 <span class="comment"> expect this.</span> |
|
199 <a name="l00178"></a>00178 <span class="comment"></span> |
|
200 <a name="l00179"></a>00179 <span class="comment"> RETURN_IN_ORDER is an option available to programs that were written</span> |
|
201 <a name="l00180"></a>00180 <span class="comment"> to expect options and other ARGV-elements in any order and that care about</span> |
|
202 <a name="l00181"></a>00181 <span class="comment"> the ordering of the two. We describe each non-option ARGV-element</span> |
|
203 <a name="l00182"></a>00182 <span class="comment"> as if it were the argument of an option with character code 1.</span> |
|
204 <a name="l00183"></a>00183 <span class="comment"> Using `-' as the first character of the list of option characters</span> |
|
205 <a name="l00184"></a>00184 <span class="comment"> selects this mode of operation.</span> |
|
206 <a name="l00185"></a>00185 <span class="comment"></span> |
|
207 <a name="l00186"></a>00186 <span class="comment"> The special argument `--' forces an end of option-scanning regardless</span> |
|
208 <a name="l00187"></a>00187 <span class="comment"> of the value of `ordering'. In the case of RETURN_IN_ORDER, only</span> |
|
209 <a name="l00188"></a>00188 <span class="comment"> `--' can cause `getopt' to return -1 with `optind' != ARGC. */</span> |
|
210 <a name="l00189"></a>00189 |
|
211 <a name="l00190"></a>00190 <span class="keyword">static</span> <span class="keyword">enum</span> |
|
212 <a name="l00191"></a>00191 { |
|
213 <a name="l00192"></a>00192 <a class="code" href="TestMasterSlave_2getopt_8c.html#2e520baeab5e72a8cd84e00dce61684fe9f3d62b95878d3ab723990312fda0bb">REQUIRE_ORDER</a>, <a class="code" href="TestMasterSlave_2getopt_8c.html#2e520baeab5e72a8cd84e00dce61684fd3b1ba5acb926eca92e0a5784f911df0">PERMUTE</a>, <a class="code" href="TestMasterSlave_2getopt_8c.html#2e520baeab5e72a8cd84e00dce61684fec304c31a5e271b98a946742b81ee5cb">RETURN_IN_ORDER</a> |
|
214 <a name="l00193"></a>00193 } ordering; |
|
215 <a name="l00194"></a>00194 |
|
216 <a name="l00195"></a>00195 <span class="comment">/* Value of POSIXLY_CORRECT environment variable. */</span> |
|
217 <a name="l00196"></a>00196 <span class="keyword">static</span> <span class="keywordtype">char</span> *posixly_correct; |
|
218 <a name="l00197"></a>00197 |
|
219 <a name="l00198"></a>00198 <span class="preprocessor">#ifdef __GNU_LIBRARY__</span> |
|
220 <a name="l00199"></a>00199 <span class="preprocessor"></span><span class="comment">/* We want to avoid inclusion of string.h with non-GNU libraries</span> |
|
221 <a name="l00200"></a>00200 <span class="comment"> because there are many ways it can cause trouble.</span> |
|
222 <a name="l00201"></a>00201 <span class="comment"> On some systems, it contains special magic macros that don't work</span> |
|
223 <a name="l00202"></a>00202 <span class="comment"> in GCC. */</span> |
|
224 <a name="l00203"></a>00203 <span class="preprocessor"># include <string.h></span> |
|
225 <a name="l00204"></a>00204 <span class="preprocessor"># define my_index strchr</span> |
|
226 <a name="l00205"></a>00205 <span class="preprocessor"></span><span class="preprocessor">#else</span> |
|
227 <a name="l00206"></a>00206 <span class="preprocessor"></span> |
|
228 <a name="l00207"></a>00207 <span class="preprocessor"># if HAVE_STRING_H || WIN32 </span><span class="comment">/* Pete Wilson mod 7/28/02 */</span> |
|
229 <a name="l00208"></a>00208 <span class="preprocessor"># include <string.h></span> |
|
230 <a name="l00209"></a>00209 <span class="preprocessor"># else</span> |
|
231 <a name="l00210"></a>00210 <span class="preprocessor"></span><span class="preprocessor"># include <strings.h></span> |
|
232 <a name="l00211"></a>00211 <span class="preprocessor"># endif</span> |
|
233 <a name="l00212"></a>00212 <span class="preprocessor"></span> |
|
234 <a name="l00213"></a>00213 <span class="comment">/* Avoid depending on library functions or files</span> |
|
235 <a name="l00214"></a>00214 <span class="comment"> whose names are inconsistent. */</span> |
|
236 <a name="l00215"></a>00215 |
|
237 <a name="l00216"></a>00216 <span class="preprocessor">#ifndef getenv</span> |
|
238 <a name="l00217"></a>00217 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="keywordtype">char</span> *<a class="code" href="TestMasterSlave_2getopt_8c.html#d371de5388fe5b7a20882a85a670c3fc">getenv</a> (); |
|
239 <a name="l00218"></a>00218 <span class="preprocessor">#endif</span> |
|
240 <a name="l00219"></a>00219 <span class="preprocessor"></span> |
|
241 <a name="l00220"></a>00220 <span class="keyword">static</span> <span class="keywordtype">char</span> * |
|
242 <a name="l00221"></a>00221 my_index (str, chr) |
|
243 <a name="l00222"></a>00222 const <span class="keywordtype">char</span> *str; |
|
244 <a name="l00223"></a>00223 <span class="keywordtype">int</span> chr; |
|
245 <a name="l00224"></a>00224 { |
|
246 <a name="l00225"></a>00225 <span class="keywordflow">while</span> (*str) |
|
247 <a name="l00226"></a>00226 { |
|
248 <a name="l00227"></a>00227 <span class="keywordflow">if</span> (*str == chr) |
|
249 <a name="l00228"></a>00228 <span class="keywordflow">return</span> (<span class="keywordtype">char</span> *) str; |
|
250 <a name="l00229"></a>00229 str++; |
|
251 <a name="l00230"></a>00230 } |
|
252 <a name="l00231"></a>00231 <span class="keywordflow">return</span> 0; |
|
253 <a name="l00232"></a>00232 } |
|
254 <a name="l00233"></a>00233 |
|
255 <a name="l00234"></a>00234 <span class="comment">/* If using GCC, we can safely declare strlen this way.</span> |
|
256 <a name="l00235"></a>00235 <span class="comment"> If not using GCC, it is ok not to declare it. */</span> |
|
257 <a name="l00236"></a>00236 <span class="preprocessor">#ifdef __GNUC__</span> |
|
258 <a name="l00237"></a>00237 <span class="preprocessor"></span><span class="comment">/* Note that Motorola Delta 68k R3V7 comes with GCC but not stddef.h.</span> |
|
259 <a name="l00238"></a>00238 <span class="comment"> That was relevant to code that was here before. */</span> |
|
260 <a name="l00239"></a>00239 <span class="preprocessor"># if (!defined __STDC__ || !__STDC__) && !defined strlen</span> |
|
261 <a name="l00240"></a>00240 <span class="preprocessor"></span><span class="comment">/* gcc with -traditional declares the built-in strlen to return int,</span> |
|
262 <a name="l00241"></a>00241 <span class="comment"> and has done so at least since version 2.4.5. -- rms. */</span> |
|
263 <a name="l00242"></a>00242 <span class="keyword">extern</span> <span class="keywordtype">int</span> strlen (<span class="keyword">const</span> <span class="keywordtype">char</span> *); |
|
264 <a name="l00243"></a>00243 <span class="preprocessor"># endif </span><span class="comment">/* not __STDC__ */</span> |
|
265 <a name="l00244"></a>00244 <span class="preprocessor">#endif </span><span class="comment">/* __GNUC__ */</span> |
|
266 <a name="l00245"></a>00245 |
|
267 <a name="l00246"></a>00246 <span class="preprocessor">#endif </span><span class="comment">/* not __GNU_LIBRARY__ */</span> |
|
268 <a name="l00247"></a>00247 |
|
269 <a name="l00248"></a>00248 <span class="comment">/* Handle permutation of arguments. */</span> |
|
270 <a name="l00249"></a>00249 |
|
271 <a name="l00250"></a>00250 <span class="comment">/* Describe the part of ARGV that contains non-options that have</span> |
|
272 <a name="l00251"></a>00251 <span class="comment"> been skipped. `first_nonopt' is the index in ARGV of the first of them;</span> |
|
273 <a name="l00252"></a>00252 <span class="comment"> `last_nonopt' is the index after the last of them. */</span> |
|
274 <a name="l00253"></a>00253 |
|
275 <a name="l00254"></a>00254 <span class="keyword">static</span> <span class="keywordtype">int</span> first_nonopt; |
|
276 <a name="l00255"></a>00255 <span class="keyword">static</span> <span class="keywordtype">int</span> last_nonopt; |
|
277 <a name="l00256"></a>00256 |
|
278 <a name="l00257"></a>00257 <span class="preprocessor">#ifdef _LIBC</span> |
|
279 <a name="l00258"></a>00258 <span class="preprocessor"></span><span class="comment">/* Stored original parameters.</span> |
|
280 <a name="l00259"></a>00259 <span class="comment"> XXX This is no good solution. We should rather copy the args so</span> |
|
281 <a name="l00260"></a>00260 <span class="comment"> that we can compare them later. But we must not use malloc(3). */</span> |
|
282 <a name="l00261"></a>00261 <span class="keyword">extern</span> <span class="keywordtype">int</span> __libc_argc; |
|
283 <a name="l00262"></a>00262 <span class="keyword">extern</span> <span class="keywordtype">char</span> **__libc_argv; |
|
284 <a name="l00263"></a>00263 |
|
285 <a name="l00264"></a>00264 <span class="comment">/* Bash 2.0 gives us an environment variable containing flags</span> |
|
286 <a name="l00265"></a>00265 <span class="comment"> indicating ARGV elements that should not be considered arguments. */</span> |
|
287 <a name="l00266"></a>00266 |
|
288 <a name="l00267"></a>00267 <span class="preprocessor"># ifdef USE_NONOPTION_FLAGS</span> |
|
289 <a name="l00268"></a>00268 <span class="preprocessor"></span><span class="comment">/* Defined in getopt_init.c */</span> |
|
290 <a name="l00269"></a>00269 <span class="keyword">extern</span> <span class="keywordtype">char</span> *__getopt_nonoption_flags; |
|
291 <a name="l00270"></a>00270 |
|
292 <a name="l00271"></a>00271 <span class="keyword">static</span> <span class="keywordtype">int</span> nonoption_flags_max_len; |
|
293 <a name="l00272"></a>00272 <span class="keyword">static</span> <span class="keywordtype">int</span> nonoption_flags_len; |
|
294 <a name="l00273"></a>00273 <span class="preprocessor"># endif</span> |
|
295 <a name="l00274"></a>00274 <span class="preprocessor"></span> |
|
296 <a name="l00275"></a>00275 <span class="preprocessor"># ifdef USE_NONOPTION_FLAGS</span> |
|
297 <a name="l00276"></a>00276 <span class="preprocessor"></span><span class="preprocessor"># define SWAP_FLAGS(ch1, ch2) \</span> |
|
298 <a name="l00277"></a>00277 <span class="preprocessor"> if (nonoption_flags_len > 0) \</span> |
|
299 <a name="l00278"></a>00278 <span class="preprocessor"> { \</span> |
|
300 <a name="l00279"></a>00279 <span class="preprocessor"> char __tmp = __getopt_nonoption_flags[ch1]; \</span> |
|
301 <a name="l00280"></a>00280 <span class="preprocessor"> __getopt_nonoption_flags[ch1] = __getopt_nonoption_flags[ch2]; \</span> |
|
302 <a name="l00281"></a>00281 <span class="preprocessor"> __getopt_nonoption_flags[ch2] = __tmp; \</span> |
|
303 <a name="l00282"></a>00282 <span class="preprocessor"> }</span> |
|
304 <a name="l00283"></a>00283 <span class="preprocessor"></span><span class="preprocessor"># else</span> |
|
305 <a name="l00284"></a>00284 <span class="preprocessor"></span><span class="preprocessor"># define SWAP_FLAGS(ch1, ch2)</span> |
|
306 <a name="l00285"></a>00285 <span class="preprocessor"></span><span class="preprocessor"># endif</span> |
|
307 <a name="l00286"></a>00286 <span class="preprocessor"></span><span class="preprocessor">#else </span><span class="comment">/* !_LIBC */</span> |
|
308 <a name="l00287"></a><a class="code" href="TestMasterSlave_2getopt_8c.html#73b41d63a0123651c8a92f0474c5e70b">00287</a> <span class="preprocessor"># define SWAP_FLAGS(ch1, ch2)</span> |
|
309 <a name="l00288"></a>00288 <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* _LIBC */</span> |
|
310 <a name="l00289"></a>00289 |
|
311 <a name="l00290"></a>00290 <span class="comment">/* Exchange two adjacent subsequences of ARGV.</span> |
|
312 <a name="l00291"></a>00291 <span class="comment"> One subsequence is elements [first_nonopt,last_nonopt)</span> |
|
313 <a name="l00292"></a>00292 <span class="comment"> which contains all the non-options that have been skipped so far.</span> |
|
314 <a name="l00293"></a>00293 <span class="comment"> The other is elements [last_nonopt,optind), which contains all</span> |
|
315 <a name="l00294"></a>00294 <span class="comment"> the options processed since those non-options were skipped.</span> |
|
316 <a name="l00295"></a>00295 <span class="comment"></span> |
|
317 <a name="l00296"></a>00296 <span class="comment"> `first_nonopt' and `last_nonopt' are relocated so that they describe</span> |
|
318 <a name="l00297"></a>00297 <span class="comment"> the new indices of the non-options in ARGV after they are moved. */</span> |
|
319 <a name="l00298"></a>00298 |
|
320 <a name="l00299"></a>00299 <span class="preprocessor">#if defined __STDC__ && __STDC__</span> |
|
321 <a name="l00300"></a>00300 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">void</span> exchange (<span class="keywordtype">char</span> **); |
|
322 <a name="l00301"></a>00301 <span class="preprocessor">#endif</span> |
|
323 <a name="l00302"></a>00302 <span class="preprocessor"></span> |
|
324 <a name="l00303"></a>00303 <span class="keyword">static</span> <span class="keywordtype">void</span> |
|
325 <a name="l00304"></a>00304 exchange (argv) |
|
326 <a name="l00305"></a>00305 char **argv; |
|
327 <a name="l00306"></a>00306 { |
|
328 <a name="l00307"></a>00307 <span class="keywordtype">int</span> bottom = first_nonopt; |
|
329 <a name="l00308"></a>00308 <span class="keywordtype">int</span> middle = last_nonopt; |
|
330 <a name="l00309"></a>00309 <span class="keywordtype">int</span> top = <a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>; |
|
331 <a name="l00310"></a>00310 <span class="keywordtype">char</span> *tem; |
|
332 <a name="l00311"></a>00311 |
|
333 <a name="l00312"></a>00312 <span class="comment">/* Exchange the shorter segment with the far end of the longer segment.</span> |
|
334 <a name="l00313"></a>00313 <span class="comment"> That puts the shorter segment into the right place.</span> |
|
335 <a name="l00314"></a>00314 <span class="comment"> It leaves the longer segment in the right place overall,</span> |
|
336 <a name="l00315"></a>00315 <span class="comment"> but it consists of two parts that need to be swapped next. */</span> |
|
337 <a name="l00316"></a>00316 |
|
338 <a name="l00317"></a>00317 <span class="preprocessor">#if defined _LIBC && defined USE_NONOPTION_FLAGS</span> |
|
339 <a name="l00318"></a>00318 <span class="preprocessor"></span> <span class="comment">/* First make sure the handling of the `__getopt_nonoption_flags'</span> |
|
340 <a name="l00319"></a>00319 <span class="comment"> string can work normally. Our top argument must be in the range</span> |
|
341 <a name="l00320"></a>00320 <span class="comment"> of the string. */</span> |
|
342 <a name="l00321"></a>00321 <span class="keywordflow">if</span> (nonoption_flags_len > 0 && top >= nonoption_flags_max_len) |
|
343 <a name="l00322"></a>00322 { |
|
344 <a name="l00323"></a>00323 <span class="comment">/* We must extend the array. The user plays games with us and</span> |
|
345 <a name="l00324"></a>00324 <span class="comment"> presents new arguments. */</span> |
|
346 <a name="l00325"></a>00325 <span class="keywordtype">char</span> *new_str = malloc (top + 1); |
|
347 <a name="l00326"></a>00326 <span class="keywordflow">if</span> (new_str == NULL) |
|
348 <a name="l00327"></a>00327 nonoption_flags_len = nonoption_flags_max_len = 0; |
|
349 <a name="l00328"></a>00328 <span class="keywordflow">else</span> |
|
350 <a name="l00329"></a>00329 { |
|
351 <a name="l00330"></a>00330 memset (__mempcpy (new_str, __getopt_nonoption_flags, |
|
352 <a name="l00331"></a>00331 nonoption_flags_max_len), |
|
353 <a name="l00332"></a>00332 <span class="charliteral">'\0'</span>, top + 1 - nonoption_flags_max_len); |
|
354 <a name="l00333"></a>00333 nonoption_flags_max_len = top + 1; |
|
355 <a name="l00334"></a>00334 __getopt_nonoption_flags = new_str; |
|
356 <a name="l00335"></a>00335 } |
|
357 <a name="l00336"></a>00336 } |
|
358 <a name="l00337"></a>00337 <span class="preprocessor">#endif</span> |
|
359 <a name="l00338"></a>00338 <span class="preprocessor"></span> |
|
360 <a name="l00339"></a>00339 <span class="keywordflow">while</span> (top > middle && middle > bottom) |
|
361 <a name="l00340"></a>00340 { |
|
362 <a name="l00341"></a>00341 <span class="keywordflow">if</span> (top - middle > middle - bottom) |
|
363 <a name="l00342"></a>00342 { |
|
364 <a name="l00343"></a>00343 <span class="comment">/* Bottom segment is the short one. */</span> |
|
365 <a name="l00344"></a>00344 <span class="keywordtype">int</span> len = middle - bottom; |
|
366 <a name="l00345"></a>00345 <span class="keyword">register</span> <span class="keywordtype">int</span> i; |
|
367 <a name="l00346"></a>00346 |
|
368 <a name="l00347"></a>00347 <span class="comment">/* Swap it with the top part of the top segment. */</span> |
|
369 <a name="l00348"></a>00348 <span class="keywordflow">for</span> (i = 0; i < len; i++) |
|
370 <a name="l00349"></a>00349 { |
|
371 <a name="l00350"></a>00350 tem = argv[bottom + i]; |
|
372 <a name="l00351"></a>00351 argv[bottom + i] = argv[top - (middle - bottom) + i]; |
|
373 <a name="l00352"></a>00352 argv[top - (middle - bottom) + i] = tem; |
|
374 <a name="l00353"></a>00353 <a class="code" href="TestMasterSlave_2getopt_8c.html#73b41d63a0123651c8a92f0474c5e70b">SWAP_FLAGS</a> (bottom + i, top - (middle - bottom) + i); |
|
375 <a name="l00354"></a>00354 } |
|
376 <a name="l00355"></a>00355 <span class="comment">/* Exclude the moved bottom segment from further swapping. */</span> |
|
377 <a name="l00356"></a>00356 top -= len; |
|
378 <a name="l00357"></a>00357 } |
|
379 <a name="l00358"></a>00358 <span class="keywordflow">else</span> |
|
380 <a name="l00359"></a>00359 { |
|
381 <a name="l00360"></a>00360 <span class="comment">/* Top segment is the short one. */</span> |
|
382 <a name="l00361"></a>00361 <span class="keywordtype">int</span> len = top - middle; |
|
383 <a name="l00362"></a>00362 <span class="keyword">register</span> <span class="keywordtype">int</span> i; |
|
384 <a name="l00363"></a>00363 |
|
385 <a name="l00364"></a>00364 <span class="comment">/* Swap it with the bottom part of the bottom segment. */</span> |
|
386 <a name="l00365"></a>00365 <span class="keywordflow">for</span> (i = 0; i < len; i++) |
|
387 <a name="l00366"></a>00366 { |
|
388 <a name="l00367"></a>00367 tem = argv[bottom + i]; |
|
389 <a name="l00368"></a>00368 argv[bottom + i] = argv[middle + i]; |
|
390 <a name="l00369"></a>00369 argv[middle + i] = tem; |
|
391 <a name="l00370"></a>00370 <a class="code" href="TestMasterSlave_2getopt_8c.html#73b41d63a0123651c8a92f0474c5e70b">SWAP_FLAGS</a> (bottom + i, middle + i); |
|
392 <a name="l00371"></a>00371 } |
|
393 <a name="l00372"></a>00372 <span class="comment">/* Exclude the moved top segment from further swapping. */</span> |
|
394 <a name="l00373"></a>00373 bottom += len; |
|
395 <a name="l00374"></a>00374 } |
|
396 <a name="l00375"></a>00375 } |
|
397 <a name="l00376"></a>00376 |
|
398 <a name="l00377"></a>00377 <span class="comment">/* Update records for the slots the non-options now occupy. */</span> |
|
399 <a name="l00378"></a>00378 |
|
400 <a name="l00379"></a>00379 first_nonopt += (<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a> - last_nonopt); |
|
401 <a name="l00380"></a>00380 last_nonopt = <a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>; |
|
402 <a name="l00381"></a>00381 } |
|
403 <a name="l00382"></a>00382 |
|
404 <a name="l00383"></a>00383 <span class="comment">/* Initialize the internal data when the first call is made. */</span> |
|
405 <a name="l00384"></a>00384 |
|
406 <a name="l00385"></a>00385 <span class="preprocessor">#if defined __STDC__ && __STDC__</span> |
|
407 <a name="l00386"></a>00386 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *_getopt_initialize (<span class="keywordtype">int</span>, <span class="keywordtype">char</span> *<span class="keyword">const</span> *, <span class="keyword">const</span> <span class="keywordtype">char</span> *); |
|
408 <a name="l00387"></a>00387 <span class="preprocessor">#endif</span> |
|
409 <a name="l00388"></a>00388 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> * |
|
410 <a name="l00389"></a>00389 _getopt_initialize (argc, argv, optstring) |
|
411 <a name="l00390"></a>00390 int argc; |
|
412 <a name="l00391"></a>00391 <span class="keywordtype">char</span> *const *argv; |
|
413 <a name="l00392"></a>00392 const <span class="keywordtype">char</span> *optstring; |
|
414 <a name="l00393"></a>00393 { |
|
415 <a name="l00394"></a>00394 <span class="comment">/* Start processing options with ARGV-element 1 (since ARGV-element 0</span> |
|
416 <a name="l00395"></a>00395 <span class="comment"> is the program name); the sequence of previously skipped</span> |
|
417 <a name="l00396"></a>00396 <span class="comment"> non-option ARGV-elements is empty. */</span> |
|
418 <a name="l00397"></a>00397 |
|
419 <a name="l00398"></a>00398 first_nonopt = last_nonopt = <a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>; |
|
420 <a name="l00399"></a>00399 |
|
421 <a name="l00400"></a>00400 nextchar = NULL; |
|
422 <a name="l00401"></a>00401 |
|
423 <a name="l00402"></a>00402 posixly_correct = <a class="code" href="TestMasterSlave_2getopt_8c.html#d371de5388fe5b7a20882a85a670c3fc">getenv</a> (<span class="stringliteral">"POSIXLY_CORRECT"</span>); |
|
424 <a name="l00403"></a>00403 |
|
425 <a name="l00404"></a>00404 <span class="comment">/* Determine how to handle the ordering of options and nonoptions. */</span> |
|
426 <a name="l00405"></a>00405 |
|
427 <a name="l00406"></a>00406 <span class="keywordflow">if</span> (optstring[0] == <span class="charliteral">'-'</span>) |
|
428 <a name="l00407"></a>00407 { |
|
429 <a name="l00408"></a>00408 ordering = <a class="code" href="TestMasterSlave_2getopt_8c.html#2e520baeab5e72a8cd84e00dce61684fec304c31a5e271b98a946742b81ee5cb">RETURN_IN_ORDER</a>; |
|
430 <a name="l00409"></a>00409 ++optstring; |
|
431 <a name="l00410"></a>00410 } |
|
432 <a name="l00411"></a>00411 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (optstring[0] == <span class="charliteral">'+'</span>) |
|
433 <a name="l00412"></a>00412 { |
|
434 <a name="l00413"></a>00413 ordering = <a class="code" href="TestMasterSlave_2getopt_8c.html#2e520baeab5e72a8cd84e00dce61684fe9f3d62b95878d3ab723990312fda0bb">REQUIRE_ORDER</a>; |
|
435 <a name="l00414"></a>00414 ++optstring; |
|
436 <a name="l00415"></a>00415 } |
|
437 <a name="l00416"></a>00416 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (posixly_correct != NULL) |
|
438 <a name="l00417"></a>00417 ordering = <a class="code" href="TestMasterSlave_2getopt_8c.html#2e520baeab5e72a8cd84e00dce61684fe9f3d62b95878d3ab723990312fda0bb">REQUIRE_ORDER</a>; |
|
439 <a name="l00418"></a>00418 <span class="keywordflow">else</span> |
|
440 <a name="l00419"></a>00419 ordering = <a class="code" href="TestMasterSlave_2getopt_8c.html#2e520baeab5e72a8cd84e00dce61684fd3b1ba5acb926eca92e0a5784f911df0">PERMUTE</a>; |
|
441 <a name="l00420"></a>00420 |
|
442 <a name="l00421"></a>00421 <span class="preprocessor">#if defined _LIBC && defined USE_NONOPTION_FLAGS</span> |
|
443 <a name="l00422"></a>00422 <span class="preprocessor"></span> <span class="keywordflow">if</span> (posixly_correct == NULL |
|
444 <a name="l00423"></a>00423 && argc == __libc_argc && argv == __libc_argv) |
|
445 <a name="l00424"></a>00424 { |
|
446 <a name="l00425"></a>00425 <span class="keywordflow">if</span> (nonoption_flags_max_len == 0) |
|
447 <a name="l00426"></a>00426 { |
|
448 <a name="l00427"></a>00427 <span class="keywordflow">if</span> (__getopt_nonoption_flags == NULL |
|
449 <a name="l00428"></a>00428 || __getopt_nonoption_flags[0] == <span class="charliteral">'\0'</span>) |
|
450 <a name="l00429"></a>00429 nonoption_flags_max_len = -1; |
|
451 <a name="l00430"></a>00430 <span class="keywordflow">else</span> |
|
452 <a name="l00431"></a>00431 { |
|
453 <a name="l00432"></a>00432 <span class="keyword">const</span> <span class="keywordtype">char</span> *orig_str = __getopt_nonoption_flags; |
|
454 <a name="l00433"></a>00433 <span class="keywordtype">int</span> len = nonoption_flags_max_len = strlen (orig_str); |
|
455 <a name="l00434"></a>00434 <span class="keywordflow">if</span> (nonoption_flags_max_len < argc) |
|
456 <a name="l00435"></a>00435 nonoption_flags_max_len = argc; |
|
457 <a name="l00436"></a>00436 __getopt_nonoption_flags = |
|
458 <a name="l00437"></a>00437 (<span class="keywordtype">char</span> *) malloc (nonoption_flags_max_len); |
|
459 <a name="l00438"></a>00438 <span class="keywordflow">if</span> (__getopt_nonoption_flags == NULL) |
|
460 <a name="l00439"></a>00439 nonoption_flags_max_len = -1; |
|
461 <a name="l00440"></a>00440 <span class="keywordflow">else</span> |
|
462 <a name="l00441"></a>00441 memset (__mempcpy (__getopt_nonoption_flags, orig_str, len), |
|
463 <a name="l00442"></a>00442 <span class="charliteral">'\0'</span>, nonoption_flags_max_len - len); |
|
464 <a name="l00443"></a>00443 } |
|
465 <a name="l00444"></a>00444 } |
|
466 <a name="l00445"></a>00445 nonoption_flags_len = nonoption_flags_max_len; |
|
467 <a name="l00446"></a>00446 } |
|
468 <a name="l00447"></a>00447 <span class="keywordflow">else</span> |
|
469 <a name="l00448"></a>00448 nonoption_flags_len = 0; |
|
470 <a name="l00449"></a>00449 <span class="preprocessor">#endif</span> |
|
471 <a name="l00450"></a>00450 <span class="preprocessor"></span> |
|
472 <a name="l00451"></a>00451 <span class="keywordflow">return</span> optstring; |
|
473 <a name="l00452"></a>00452 } |
|
474 <a name="l00453"></a>00453 |
|
475 <a name="l00454"></a>00454 <span class="comment">/* Scan elements of ARGV (whose length is ARGC) for option characters</span> |
|
476 <a name="l00455"></a>00455 <span class="comment"> given in OPTSTRING.</span> |
|
477 <a name="l00456"></a>00456 <span class="comment"></span> |
|
478 <a name="l00457"></a>00457 <span class="comment"> If an element of ARGV starts with '-', and is not exactly "-" or "--",</span> |
|
479 <a name="l00458"></a>00458 <span class="comment"> then it is an option element. The characters of this element</span> |
|
480 <a name="l00459"></a>00459 <span class="comment"> (aside from the initial '-') are option characters. If `getopt'</span> |
|
481 <a name="l00460"></a>00460 <span class="comment"> is called repeatedly, it returns successively each of the option characters</span> |
|
482 <a name="l00461"></a>00461 <span class="comment"> from each of the option elements.</span> |
|
483 <a name="l00462"></a>00462 <span class="comment"></span> |
|
484 <a name="l00463"></a>00463 <span class="comment"> If `getopt' finds another option character, it returns that character,</span> |
|
485 <a name="l00464"></a>00464 <span class="comment"> updating `optind' and `nextchar' so that the next call to `getopt' can</span> |
|
486 <a name="l00465"></a>00465 <span class="comment"> resume the scan with the following option character or ARGV-element.</span> |
|
487 <a name="l00466"></a>00466 <span class="comment"></span> |
|
488 <a name="l00467"></a>00467 <span class="comment"> If there are no more option characters, `getopt' returns -1.</span> |
|
489 <a name="l00468"></a>00468 <span class="comment"> Then `optind' is the index in ARGV of the first ARGV-element</span> |
|
490 <a name="l00469"></a>00469 <span class="comment"> that is not an option. (The ARGV-elements have been permuted</span> |
|
491 <a name="l00470"></a>00470 <span class="comment"> so that those that are not options now come last.)</span> |
|
492 <a name="l00471"></a>00471 <span class="comment"></span> |
|
493 <a name="l00472"></a>00472 <span class="comment"> OPTSTRING is a string containing the legitimate option characters.</span> |
|
494 <a name="l00473"></a>00473 <span class="comment"> If an option character is seen that is not listed in OPTSTRING,</span> |
|
495 <a name="l00474"></a>00474 <span class="comment"> return '?' after printing an error message. If you set `opterr' to</span> |
|
496 <a name="l00475"></a>00475 <span class="comment"> zero, the error message is suppressed but we still return '?'.</span> |
|
497 <a name="l00476"></a>00476 <span class="comment"></span> |
|
498 <a name="l00477"></a>00477 <span class="comment"> If a char in OPTSTRING is followed by a colon, that means it wants an arg,</span> |
|
499 <a name="l00478"></a>00478 <span class="comment"> so the following text in the same ARGV-element, or the text of the following</span> |
|
500 <a name="l00479"></a>00479 <span class="comment"> ARGV-element, is returned in `optarg'. Two colons mean an option that</span> |
|
501 <a name="l00480"></a>00480 <span class="comment"> wants an optional arg; if there is text in the current ARGV-element,</span> |
|
502 <a name="l00481"></a>00481 <span class="comment"> it is returned in `optarg', otherwise `optarg' is set to zero.</span> |
|
503 <a name="l00482"></a>00482 <span class="comment"></span> |
|
504 <a name="l00483"></a>00483 <span class="comment"> If OPTSTRING starts with `-' or `+', it requests different methods of</span> |
|
505 <a name="l00484"></a>00484 <span class="comment"> handling the non-option ARGV-elements.</span> |
|
506 <a name="l00485"></a>00485 <span class="comment"> See the comments about RETURN_IN_ORDER and REQUIRE_ORDER, above.</span> |
|
507 <a name="l00486"></a>00486 <span class="comment"></span> |
|
508 <a name="l00487"></a>00487 <span class="comment"> Long-named options begin with `--' instead of `-'.</span> |
|
509 <a name="l00488"></a>00488 <span class="comment"> Their names may be abbreviated as long as the abbreviation is unique</span> |
|
510 <a name="l00489"></a>00489 <span class="comment"> or is an exact match for some defined option. If they have an</span> |
|
511 <a name="l00490"></a>00490 <span class="comment"> argument, it follows the option name in the same ARGV-element, separated</span> |
|
512 <a name="l00491"></a>00491 <span class="comment"> from the option name by a `=', or else the in next ARGV-element.</span> |
|
513 <a name="l00492"></a>00492 <span class="comment"> When `getopt' finds a long-named option, it returns 0 if that option's</span> |
|
514 <a name="l00493"></a>00493 <span class="comment"> `flag' field is nonzero, the value of the option's `val' field</span> |
|
515 <a name="l00494"></a>00494 <span class="comment"> if the `flag' field is zero.</span> |
|
516 <a name="l00495"></a>00495 <span class="comment"></span> |
|
517 <a name="l00496"></a>00496 <span class="comment"> The elements of ARGV aren't really const, because we permute them.</span> |
|
518 <a name="l00497"></a>00497 <span class="comment"> But we pretend they're const in the prototype to be compatible</span> |
|
519 <a name="l00498"></a>00498 <span class="comment"> with other systems.</span> |
|
520 <a name="l00499"></a>00499 <span class="comment"></span> |
|
521 <a name="l00500"></a>00500 <span class="comment"> LONGOPTS is a vector of `struct option' terminated by an</span> |
|
522 <a name="l00501"></a>00501 <span class="comment"> element containing a name which is zero.</span> |
|
523 <a name="l00502"></a>00502 <span class="comment"></span> |
|
524 <a name="l00503"></a>00503 <span class="comment"> LONGIND returns the index in LONGOPT of the long-named option found.</span> |
|
525 <a name="l00504"></a>00504 <span class="comment"> It is only valid when a long-named option has been found by the most</span> |
|
526 <a name="l00505"></a>00505 <span class="comment"> recent call.</span> |
|
527 <a name="l00506"></a>00506 <span class="comment"></span> |
|
528 <a name="l00507"></a>00507 <span class="comment"> If LONG_ONLY is nonzero, '-' as well as '--' can introduce</span> |
|
529 <a name="l00508"></a>00508 <span class="comment"> long-named options. */</span> |
|
530 <a name="l00509"></a>00509 |
|
531 <a name="l00510"></a>00510 <span class="keywordtype">int</span> |
|
532 <a name="l00511"></a><a class="code" href="TestMasterSlave_2getopt_8c.html#ca624a08c8860a96fd9afd064ff1e598">00511</a> <a class="code" href="TestMasterSlave_2getopt_8c.html#ca624a08c8860a96fd9afd064ff1e598">_getopt_internal</a> (argc, argv, optstring, longopts, longind, long_only) |
|
533 <a name="l00512"></a>00512 int argc; |
|
534 <a name="l00513"></a>00513 <span class="keywordtype">char</span> *const *argv; |
|
535 <a name="l00514"></a>00514 const <span class="keywordtype">char</span> *optstring; |
|
536 <a name="l00515"></a>00515 const struct <a class="code" href="structoption.html">option</a> *longopts; |
|
537 <a name="l00516"></a>00516 <span class="keywordtype">int</span> *longind; |
|
538 <a name="l00517"></a>00517 <span class="keywordtype">int</span> long_only; |
|
539 <a name="l00518"></a>00518 { |
|
540 <a name="l00519"></a>00519 <span class="keywordtype">int</span> print_errors = <a class="code" href="TestMasterSlave_2getopt_8c.html#2d5d57aa71d16b312a92ac70f91c44f1">opterr</a>; |
|
541 <a name="l00520"></a>00520 <span class="keywordflow">if</span> (optstring[0] == <span class="charliteral">':'</span>) |
|
542 <a name="l00521"></a>00521 print_errors = 0; |
|
543 <a name="l00522"></a>00522 |
|
544 <a name="l00523"></a>00523 <span class="keywordflow">if</span> (argc < 1) |
|
545 <a name="l00524"></a>00524 <span class="keywordflow">return</span> -1; |
|
546 <a name="l00525"></a>00525 |
|
547 <a name="l00526"></a>00526 <a class="code" href="TestMasterSlave_2getopt_8c.html#a2d33a77952a7e6973146c1284042818">optarg</a> = NULL; |
|
548 <a name="l00527"></a>00527 |
|
549 <a name="l00528"></a>00528 <span class="keywordflow">if</span> (<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a> == 0 || !<a class="code" href="TestMasterSlave_2getopt_8c.html#43b2a4340a24537cc6364835f9d73fb5">__getopt_initialized</a>) |
|
550 <a name="l00529"></a>00529 { |
|
551 <a name="l00530"></a>00530 <span class="keywordflow">if</span> (<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a> == 0) |
|
552 <a name="l00531"></a>00531 <a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a> = 1; <span class="comment">/* Don't scan ARGV[0], the program name. */</span> |
|
553 <a name="l00532"></a>00532 optstring = _getopt_initialize (argc, argv, optstring); |
|
554 <a name="l00533"></a>00533 <a class="code" href="TestMasterSlave_2getopt_8c.html#43b2a4340a24537cc6364835f9d73fb5">__getopt_initialized</a> = 1; |
|
555 <a name="l00534"></a>00534 } |
|
556 <a name="l00535"></a>00535 |
|
557 <a name="l00536"></a>00536 <span class="comment">/* Test whether ARGV[optind] points to a non-option argument.</span> |
|
558 <a name="l00537"></a>00537 <span class="comment"> Either it does not have option syntax, or there is an environment flag</span> |
|
559 <a name="l00538"></a>00538 <span class="comment"> from the shell indicating it is not an option. The later information</span> |
|
560 <a name="l00539"></a>00539 <span class="comment"> is only used when the used in the GNU libc. */</span> |
|
561 <a name="l00540"></a>00540 <span class="preprocessor">#if defined _LIBC && defined USE_NONOPTION_FLAGS</span> |
|
562 <a name="l00541"></a>00541 <span class="preprocessor"></span><span class="preprocessor"># define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0' \</span> |
|
563 <a name="l00542"></a>00542 <span class="preprocessor"> || (optind < nonoption_flags_len \</span> |
|
564 <a name="l00543"></a>00543 <span class="preprocessor"> && __getopt_nonoption_flags[optind] == '1'))</span> |
|
565 <a name="l00544"></a>00544 <span class="preprocessor"></span><span class="preprocessor">#else</span> |
|
566 <a name="l00545"></a>00545 <span class="preprocessor"></span><span class="preprocessor"># define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0')</span> |
|
567 <a name="l00546"></a>00546 <span class="preprocessor"></span><span class="preprocessor">#endif</span> |
|
568 <a name="l00547"></a>00547 <span class="preprocessor"></span> |
|
569 <a name="l00548"></a>00548 <span class="keywordflow">if</span> (nextchar == NULL || *nextchar == <span class="charliteral">'\0'</span>) |
|
570 <a name="l00549"></a>00549 { |
|
571 <a name="l00550"></a>00550 <span class="comment">/* Advance to the next ARGV-element. */</span> |
|
572 <a name="l00551"></a>00551 |
|
573 <a name="l00552"></a>00552 <span class="comment">/* Give FIRST_NONOPT and LAST_NONOPT rational values if OPTIND has been</span> |
|
574 <a name="l00553"></a>00553 <span class="comment"> moved back by the user (who may also have changed the arguments). */</span> |
|
575 <a name="l00554"></a>00554 <span class="keywordflow">if</span> (last_nonopt > <a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>) |
|
576 <a name="l00555"></a>00555 last_nonopt = <a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>; |
|
577 <a name="l00556"></a>00556 <span class="keywordflow">if</span> (first_nonopt > <a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>) |
|
578 <a name="l00557"></a>00557 first_nonopt = <a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>; |
|
579 <a name="l00558"></a>00558 |
|
580 <a name="l00559"></a>00559 <span class="keywordflow">if</span> (ordering == <a class="code" href="TestMasterSlave_2getopt_8c.html#2e520baeab5e72a8cd84e00dce61684fd3b1ba5acb926eca92e0a5784f911df0">PERMUTE</a>) |
|
581 <a name="l00560"></a>00560 { |
|
582 <a name="l00561"></a>00561 <span class="comment">/* If we have just processed some options following some non-options,</span> |
|
583 <a name="l00562"></a>00562 <span class="comment"> exchange them so that the options come first. */</span> |
|
584 <a name="l00563"></a>00563 |
|
585 <a name="l00564"></a>00564 <span class="keywordflow">if</span> (first_nonopt != last_nonopt && last_nonopt != <a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>) |
|
586 <a name="l00565"></a>00565 exchange ((<span class="keywordtype">char</span> **) argv); |
|
587 <a name="l00566"></a>00566 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (last_nonopt != <a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>) |
|
588 <a name="l00567"></a>00567 first_nonopt = <a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>; |
|
589 <a name="l00568"></a>00568 |
|
590 <a name="l00569"></a>00569 <span class="comment">/* Skip any additional non-options</span> |
|
591 <a name="l00570"></a>00570 <span class="comment"> and extend the range of non-options previously skipped. */</span> |
|
592 <a name="l00571"></a>00571 |
|
593 <a name="l00572"></a>00572 <span class="keywordflow">while</span> (<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a> < argc && <a class="code" href="TestMasterSlave_2getopt_8c.html#60fb2ef5fa72a6e2f2f62c0d6158f94c">NONOPTION_P</a>) |
|
594 <a name="l00573"></a>00573 <a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>++; |
|
595 <a name="l00574"></a>00574 last_nonopt = <a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>; |
|
596 <a name="l00575"></a>00575 } |
|
597 <a name="l00576"></a>00576 |
|
598 <a name="l00577"></a>00577 <span class="comment">/* The special ARGV-element `--' means premature end of options.</span> |
|
599 <a name="l00578"></a>00578 <span class="comment"> Skip it like a null option,</span> |
|
600 <a name="l00579"></a>00579 <span class="comment"> then exchange with previous non-options as if it were an option,</span> |
|
601 <a name="l00580"></a>00580 <span class="comment"> then skip everything else like a non-option. */</span> |
|
602 <a name="l00581"></a>00581 |
|
603 <a name="l00582"></a>00582 <span class="keywordflow">if</span> (<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a> != argc && !strcmp (argv[<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>], <span class="stringliteral">"--"</span>)) |
|
604 <a name="l00583"></a>00583 { |
|
605 <a name="l00584"></a>00584 optind++; |
|
606 <a name="l00585"></a>00585 |
|
607 <a name="l00586"></a>00586 <span class="keywordflow">if</span> (first_nonopt != last_nonopt && last_nonopt != optind) |
|
608 <a name="l00587"></a>00587 exchange ((<span class="keywordtype">char</span> **) argv); |
|
609 <a name="l00588"></a>00588 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (first_nonopt == last_nonopt) |
|
610 <a name="l00589"></a>00589 first_nonopt = optind; |
|
611 <a name="l00590"></a>00590 last_nonopt = argc; |
|
612 <a name="l00591"></a>00591 |
|
613 <a name="l00592"></a>00592 optind = argc; |
|
614 <a name="l00593"></a>00593 } |
|
615 <a name="l00594"></a>00594 |
|
616 <a name="l00595"></a>00595 <span class="comment">/* If we have done all the ARGV-elements, stop the scan</span> |
|
617 <a name="l00596"></a>00596 <span class="comment"> and back over any non-options that we skipped and permuted. */</span> |
|
618 <a name="l00597"></a>00597 |
|
619 <a name="l00598"></a>00598 <span class="keywordflow">if</span> (optind == argc) |
|
620 <a name="l00599"></a>00599 { |
|
621 <a name="l00600"></a>00600 <span class="comment">/* Set the next-arg-index to point at the non-options</span> |
|
622 <a name="l00601"></a>00601 <span class="comment"> that we previously skipped, so the caller will digest them. */</span> |
|
623 <a name="l00602"></a>00602 <span class="keywordflow">if</span> (first_nonopt != last_nonopt) |
|
624 <a name="l00603"></a>00603 optind = first_nonopt; |
|
625 <a name="l00604"></a>00604 <span class="keywordflow">return</span> -1; |
|
626 <a name="l00605"></a>00605 } |
|
627 <a name="l00606"></a>00606 |
|
628 <a name="l00607"></a>00607 <span class="comment">/* If we have come to a non-option and did not permute it,</span> |
|
629 <a name="l00608"></a>00608 <span class="comment"> either stop the scan or describe it to the caller and pass it by. */</span> |
|
630 <a name="l00609"></a>00609 |
|
631 <a name="l00610"></a>00610 <span class="keywordflow">if</span> (<a class="code" href="TestMasterSlave_2getopt_8c.html#60fb2ef5fa72a6e2f2f62c0d6158f94c">NONOPTION_P</a>) |
|
632 <a name="l00611"></a>00611 { |
|
633 <a name="l00612"></a>00612 <span class="keywordflow">if</span> (ordering == <a class="code" href="TestMasterSlave_2getopt_8c.html#2e520baeab5e72a8cd84e00dce61684fe9f3d62b95878d3ab723990312fda0bb">REQUIRE_ORDER</a>) |
|
634 <a name="l00613"></a>00613 <span class="keywordflow">return</span> -1; |
|
635 <a name="l00614"></a>00614 <a class="code" href="TestMasterSlave_2getopt_8c.html#a2d33a77952a7e6973146c1284042818">optarg</a> = argv[optind++]; |
|
636 <a name="l00615"></a>00615 <span class="keywordflow">return</span> 1; |
|
637 <a name="l00616"></a>00616 } |
|
638 <a name="l00617"></a>00617 |
|
639 <a name="l00618"></a>00618 <span class="comment">/* We have found another option-ARGV-element.</span> |
|
640 <a name="l00619"></a>00619 <span class="comment"> Skip the initial punctuation. */</span> |
|
641 <a name="l00620"></a>00620 |
|
642 <a name="l00621"></a>00621 nextchar = (argv[optind] + 1 |
|
643 <a name="l00622"></a>00622 + (longopts != NULL && argv[optind][1] == <span class="charliteral">'-'</span>)); |
|
644 <a name="l00623"></a>00623 } |
|
645 <a name="l00624"></a>00624 |
|
646 <a name="l00625"></a>00625 <span class="comment">/* Decode the current option-ARGV-element. */</span> |
|
647 <a name="l00626"></a>00626 |
|
648 <a name="l00627"></a>00627 <span class="comment">/* Check whether the ARGV-element is a long option.</span> |
|
649 <a name="l00628"></a>00628 <span class="comment"></span> |
|
650 <a name="l00629"></a>00629 <span class="comment"> If long_only and the ARGV-element has the form "-f", where f is</span> |
|
651 <a name="l00630"></a>00630 <span class="comment"> a valid short option, don't consider it an abbreviated form of</span> |
|
652 <a name="l00631"></a>00631 <span class="comment"> a long option that starts with f. Otherwise there would be no</span> |
|
653 <a name="l00632"></a>00632 <span class="comment"> way to give the -f short option.</span> |
|
654 <a name="l00633"></a>00633 <span class="comment"></span> |
|
655 <a name="l00634"></a>00634 <span class="comment"> On the other hand, if there's a long option "fubar" and</span> |
|
656 <a name="l00635"></a>00635 <span class="comment"> the ARGV-element is "-fu", do consider that an abbreviation of</span> |
|
657 <a name="l00636"></a>00636 <span class="comment"> the long option, just like "--fu", and not "-f" with arg "u".</span> |
|
658 <a name="l00637"></a>00637 <span class="comment"></span> |
|
659 <a name="l00638"></a>00638 <span class="comment"> This distinction seems to be the most useful approach. */</span> |
|
660 <a name="l00639"></a>00639 |
|
661 <a name="l00640"></a>00640 <span class="keywordflow">if</span> (longopts != NULL |
|
662 <a name="l00641"></a>00641 && (argv[<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>][1] == <span class="charliteral">'-'</span> |
|
663 <a name="l00642"></a>00642 || (long_only && (argv[<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>][2] || !my_index (optstring, argv[<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>][1]))))) |
|
664 <a name="l00643"></a>00643 { |
|
665 <a name="l00644"></a>00644 <span class="keywordtype">char</span> *nameend; |
|
666 <a name="l00645"></a>00645 <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structoption.html">option</a> *p; |
|
667 <a name="l00646"></a>00646 <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structoption.html">option</a> *pfound = NULL; |
|
668 <a name="l00647"></a>00647 <span class="keywordtype">int</span> exact = 0; |
|
669 <a name="l00648"></a>00648 <span class="keywordtype">int</span> ambig = 0; |
|
670 <a name="l00649"></a>00649 <span class="keywordtype">int</span> indfound = -1; |
|
671 <a name="l00650"></a>00650 <span class="keywordtype">int</span> option_index; |
|
672 <a name="l00651"></a>00651 |
|
673 <a name="l00652"></a>00652 <span class="keywordflow">for</span> (nameend = nextchar; *nameend && *nameend != <span class="charliteral">'='</span>; nameend++) |
|
674 <a name="l00653"></a>00653 <span class="comment">/* Do nothing. */</span> ; |
|
675 <a name="l00654"></a>00654 |
|
676 <a name="l00655"></a>00655 <span class="comment">/* Test all long options for either exact match</span> |
|
677 <a name="l00656"></a>00656 <span class="comment"> or abbreviated matches. */</span> |
|
678 <a name="l00657"></a>00657 <span class="keywordflow">for</span> (p = longopts, option_index = 0; p-><a class="code" href="structoption.html#5c8f7c2972b277e010f9800cc9bc5fb0">name</a>; p++, option_index++) |
|
679 <a name="l00658"></a>00658 <span class="keywordflow">if</span> (!strncmp (p-><a class="code" href="structoption.html#5c8f7c2972b277e010f9800cc9bc5fb0">name</a>, nextchar, nameend - nextchar)) |
|
680 <a name="l00659"></a>00659 { |
|
681 <a name="l00660"></a>00660 if ((<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>) (nameend - nextchar) |
|
682 <a name="l00661"></a>00661 == (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>) strlen (p-><a class="code" href="structoption.html#5c8f7c2972b277e010f9800cc9bc5fb0">name</a>)) |
|
683 <a name="l00662"></a>00662 { |
|
684 <a name="l00663"></a>00663 <span class="comment">/* Exact match found. */</span> |
|
685 <a name="l00664"></a>00664 pfound = p; |
|
686 <a name="l00665"></a>00665 indfound = option_index; |
|
687 <a name="l00666"></a>00666 exact = 1; |
|
688 <a name="l00667"></a>00667 <span class="keywordflow">break</span>; |
|
689 <a name="l00668"></a>00668 } |
|
690 <a name="l00669"></a>00669 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (pfound == NULL) |
|
691 <a name="l00670"></a>00670 { |
|
692 <a name="l00671"></a>00671 <span class="comment">/* First nonexact match found. */</span> |
|
693 <a name="l00672"></a>00672 pfound = p; |
|
694 <a name="l00673"></a>00673 indfound = option_index; |
|
695 <a name="l00674"></a>00674 } |
|
696 <a name="l00675"></a>00675 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (long_only |
|
697 <a name="l00676"></a>00676 || pfound->has_arg != p->has_arg |
|
698 <a name="l00677"></a>00677 || pfound->flag != p->flag |
|
699 <a name="l00678"></a>00678 || pfound->val != p->val) |
|
700 <a name="l00679"></a>00679 <span class="comment">/* Second or later nonexact match found. */</span> |
|
701 <a name="l00680"></a>00680 ambig = 1; |
|
702 <a name="l00681"></a>00681 } |
|
703 <a name="l00682"></a>00682 |
|
704 <a name="l00683"></a>00683 <span class="keywordflow">if</span> (ambig && !exact) |
|
705 <a name="l00684"></a>00684 { |
|
706 <a name="l00685"></a>00685 <span class="keywordflow">if</span> (print_errors) |
|
707 <a name="l00686"></a>00686 { |
|
708 <a name="l00687"></a>00687 #<span class="keywordflow">if</span> defined _LIBC && defined USE_IN_LIBIO |
|
709 <a name="l00688"></a>00688 <span class="keywordtype">char</span> *buf; |
|
710 <a name="l00689"></a>00689 |
|
711 <a name="l00690"></a>00690 __asprintf (&buf, <a class="code" href="TestMasterSlave_2getopt_8c.html#5f89d3f05faaa6e056f725126282a799">_</a>(<span class="stringliteral">"%s: option `%s' is ambiguous\n"</span>), |
|
712 <a name="l00691"></a>00691 argv[0], argv[<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>]); |
|
713 <a name="l00692"></a>00692 |
|
714 <a name="l00693"></a>00693 <span class="keywordflow">if</span> (_IO_fwide (stderr, 0) > 0) |
|
715 <a name="l00694"></a>00694 __fwprintf (stderr, L<span class="stringliteral">"%s"</span>, buf); |
|
716 <a name="l00695"></a>00695 <span class="keywordflow">else</span> |
|
717 <a name="l00696"></a>00696 fputs (buf, stderr); |
|
718 <a name="l00697"></a>00697 |
|
719 <a name="l00698"></a>00698 free (buf); |
|
720 <a name="l00699"></a>00699 <span class="preprocessor">#else</span> |
|
721 <a name="l00700"></a>00700 <span class="preprocessor"></span> fprintf (stderr, <a class="code" href="TestMasterSlave_2getopt_8c.html#5f89d3f05faaa6e056f725126282a799">_</a>(<span class="stringliteral">"%s: option `%s' is ambiguous\n"</span>), |
|
722 <a name="l00701"></a>00701 argv[0], argv[<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>]); |
|
723 <a name="l00702"></a>00702 <span class="preprocessor">#endif</span> |
|
724 <a name="l00703"></a>00703 <span class="preprocessor"></span> } |
|
725 <a name="l00704"></a>00704 nextchar += strlen (nextchar); |
|
726 <a name="l00705"></a>00705 <a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>++; |
|
727 <a name="l00706"></a>00706 <a class="code" href="TestMasterSlave_2getopt_8c.html#b3d1db20633bdbad253accdec2f9477f">optopt</a> = 0; |
|
728 <a name="l00707"></a>00707 <span class="keywordflow">return</span> <span class="charliteral">'?'</span>; |
|
729 <a name="l00708"></a>00708 } |
|
730 <a name="l00709"></a>00709 |
|
731 <a name="l00710"></a>00710 <span class="keywordflow">if</span> (pfound != NULL) |
|
732 <a name="l00711"></a>00711 { |
|
733 <a name="l00712"></a>00712 option_index = indfound; |
|
734 <a name="l00713"></a>00713 <a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>++; |
|
735 <a name="l00714"></a>00714 <span class="keywordflow">if</span> (*nameend) |
|
736 <a name="l00715"></a>00715 { |
|
737 <a name="l00716"></a>00716 <span class="comment">/* Don't test has_arg with >, because some C compilers don't</span> |
|
738 <a name="l00717"></a>00717 <span class="comment"> allow it to be used on enums. */</span> |
|
739 <a name="l00718"></a>00718 <span class="keywordflow">if</span> (pfound->has_arg) |
|
740 <a name="l00719"></a>00719 <a class="code" href="TestMasterSlave_2getopt_8c.html#a2d33a77952a7e6973146c1284042818">optarg</a> = nameend + 1; |
|
741 <a name="l00720"></a>00720 <span class="keywordflow">else</span> |
|
742 <a name="l00721"></a>00721 { |
|
743 <a name="l00722"></a>00722 <span class="keywordflow">if</span> (print_errors) |
|
744 <a name="l00723"></a>00723 { |
|
745 <a name="l00724"></a>00724 <span class="preprocessor">#if defined _LIBC && defined USE_IN_LIBIO</span> |
|
746 <a name="l00725"></a>00725 <span class="preprocessor"></span> <span class="keywordtype">char</span> *buf; |
|
747 <a name="l00726"></a>00726 <span class="preprocessor">#endif</span> |
|
748 <a name="l00727"></a>00727 <span class="preprocessor"></span> |
|
749 <a name="l00728"></a>00728 <span class="keywordflow">if</span> (argv[<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a> - 1][1] == <span class="charliteral">'-'</span>) |
|
750 <a name="l00729"></a>00729 { |
|
751 <a name="l00730"></a>00730 <span class="comment">/* --option */</span> |
|
752 <a name="l00731"></a>00731 <span class="preprocessor">#if defined _LIBC && defined USE_IN_LIBIO</span> |
|
753 <a name="l00732"></a>00732 <span class="preprocessor"></span> __asprintf (&buf, <a class="code" href="TestMasterSlave_2getopt_8c.html#5f89d3f05faaa6e056f725126282a799">_</a>(<span class="stringliteral">"\</span> |
|
754 <a name="l00733"></a>00733 <span class="stringliteral">%s: option `--%s' doesn't allow an argument\n"</span>), |
|
755 <a name="l00734"></a>00734 argv[0], pfound->name); |
|
756 <a name="l00735"></a>00735 <span class="preprocessor">#else</span> |
|
757 <a name="l00736"></a>00736 <span class="preprocessor"></span> fprintf (stderr, <a class="code" href="TestMasterSlave_2getopt_8c.html#5f89d3f05faaa6e056f725126282a799">_</a>(<span class="stringliteral">"\</span> |
|
758 <a name="l00737"></a>00737 <span class="stringliteral">%s: option `--%s' doesn't allow an argument\n"</span>), |
|
759 <a name="l00738"></a>00738 argv[0], pfound->name); |
|
760 <a name="l00739"></a>00739 <span class="preprocessor">#endif</span> |
|
761 <a name="l00740"></a>00740 <span class="preprocessor"></span> } |
|
762 <a name="l00741"></a>00741 <span class="keywordflow">else</span> |
|
763 <a name="l00742"></a>00742 { |
|
764 <a name="l00743"></a>00743 <span class="comment">/* +option or -option */</span> |
|
765 <a name="l00744"></a>00744 <span class="preprocessor">#if defined _LIBC && defined USE_IN_LIBIO</span> |
|
766 <a name="l00745"></a>00745 <span class="preprocessor"></span> __asprintf (&buf, <a class="code" href="TestMasterSlave_2getopt_8c.html#5f89d3f05faaa6e056f725126282a799">_</a>(<span class="stringliteral">"\</span> |
|
767 <a name="l00746"></a>00746 <span class="stringliteral">%s: option `%c%s' doesn't allow an argument\n"</span>), |
|
768 <a name="l00747"></a>00747 argv[0], argv[<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a> - 1][0], |
|
769 <a name="l00748"></a>00748 pfound->name); |
|
770 <a name="l00749"></a>00749 <span class="preprocessor">#else</span> |
|
771 <a name="l00750"></a>00750 <span class="preprocessor"></span> fprintf (stderr, <a class="code" href="TestMasterSlave_2getopt_8c.html#5f89d3f05faaa6e056f725126282a799">_</a>(<span class="stringliteral">"\</span> |
|
772 <a name="l00751"></a>00751 <span class="stringliteral">%s: option `%c%s' doesn't allow an argument\n"</span>), |
|
773 <a name="l00752"></a>00752 argv[0], argv[<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a> - 1][0], pfound->name); |
|
774 <a name="l00753"></a>00753 <span class="preprocessor">#endif</span> |
|
775 <a name="l00754"></a>00754 <span class="preprocessor"></span> } |
|
776 <a name="l00755"></a>00755 |
|
777 <a name="l00756"></a>00756 <span class="preprocessor">#if defined _LIBC && defined USE_IN_LIBIO</span> |
|
778 <a name="l00757"></a>00757 <span class="preprocessor"></span> <span class="keywordflow">if</span> (_IO_fwide (stderr, 0) > 0) |
|
779 <a name="l00758"></a>00758 __fwprintf (stderr, L<span class="stringliteral">"%s"</span>, buf); |
|
780 <a name="l00759"></a>00759 <span class="keywordflow">else</span> |
|
781 <a name="l00760"></a>00760 fputs (buf, stderr); |
|
782 <a name="l00761"></a>00761 |
|
783 <a name="l00762"></a>00762 free (buf); |
|
784 <a name="l00763"></a>00763 <span class="preprocessor">#endif</span> |
|
785 <a name="l00764"></a>00764 <span class="preprocessor"></span> } |
|
786 <a name="l00765"></a>00765 |
|
787 <a name="l00766"></a>00766 nextchar += strlen (nextchar); |
|
788 <a name="l00767"></a>00767 |
|
789 <a name="l00768"></a>00768 <a class="code" href="TestMasterSlave_2getopt_8c.html#b3d1db20633bdbad253accdec2f9477f">optopt</a> = pfound->val; |
|
790 <a name="l00769"></a>00769 <span class="keywordflow">return</span> <span class="charliteral">'?'</span>; |
|
791 <a name="l00770"></a>00770 } |
|
792 <a name="l00771"></a>00771 } |
|
793 <a name="l00772"></a>00772 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (pfound->has_arg == 1) |
|
794 <a name="l00773"></a>00773 { |
|
795 <a name="l00774"></a>00774 <span class="keywordflow">if</span> (<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a> < argc) |
|
796 <a name="l00775"></a>00775 <a class="code" href="TestMasterSlave_2getopt_8c.html#a2d33a77952a7e6973146c1284042818">optarg</a> = argv[<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>++]; |
|
797 <a name="l00776"></a>00776 <span class="keywordflow">else</span> |
|
798 <a name="l00777"></a>00777 { |
|
799 <a name="l00778"></a>00778 <span class="keywordflow">if</span> (print_errors) |
|
800 <a name="l00779"></a>00779 { |
|
801 <a name="l00780"></a>00780 <span class="preprocessor">#if defined _LIBC && defined USE_IN_LIBIO</span> |
|
802 <a name="l00781"></a>00781 <span class="preprocessor"></span> <span class="keywordtype">char</span> *buf; |
|
803 <a name="l00782"></a>00782 |
|
804 <a name="l00783"></a>00783 __asprintf (&buf, |
|
805 <a name="l00784"></a>00784 <a class="code" href="TestMasterSlave_2getopt_8c.html#5f89d3f05faaa6e056f725126282a799">_</a>(<span class="stringliteral">"%s: option `%s' requires an argument\n"</span>), |
|
806 <a name="l00785"></a>00785 argv[0], argv[<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a> - 1]); |
|
807 <a name="l00786"></a>00786 |
|
808 <a name="l00787"></a>00787 <span class="keywordflow">if</span> (_IO_fwide (stderr, 0) > 0) |
|
809 <a name="l00788"></a>00788 __fwprintf (stderr, L<span class="stringliteral">"%s"</span>, buf); |
|
810 <a name="l00789"></a>00789 <span class="keywordflow">else</span> |
|
811 <a name="l00790"></a>00790 fputs (buf, stderr); |
|
812 <a name="l00791"></a>00791 |
|
813 <a name="l00792"></a>00792 free (buf); |
|
814 <a name="l00793"></a>00793 <span class="preprocessor">#else</span> |
|
815 <a name="l00794"></a>00794 <span class="preprocessor"></span> fprintf (stderr, |
|
816 <a name="l00795"></a>00795 <a class="code" href="TestMasterSlave_2getopt_8c.html#5f89d3f05faaa6e056f725126282a799">_</a>(<span class="stringliteral">"%s: option `%s' requires an argument\n"</span>), |
|
817 <a name="l00796"></a>00796 argv[0], argv[<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a> - 1]); |
|
818 <a name="l00797"></a>00797 <span class="preprocessor">#endif</span> |
|
819 <a name="l00798"></a>00798 <span class="preprocessor"></span> } |
|
820 <a name="l00799"></a>00799 nextchar += strlen (nextchar); |
|
821 <a name="l00800"></a>00800 <a class="code" href="TestMasterSlave_2getopt_8c.html#b3d1db20633bdbad253accdec2f9477f">optopt</a> = pfound->val; |
|
822 <a name="l00801"></a>00801 <span class="keywordflow">return</span> optstring[0] == <span class="charliteral">':'</span> ? <span class="charliteral">':'</span> : <span class="charliteral">'?'</span>; |
|
823 <a name="l00802"></a>00802 } |
|
824 <a name="l00803"></a>00803 } |
|
825 <a name="l00804"></a>00804 nextchar += strlen (nextchar); |
|
826 <a name="l00805"></a>00805 <span class="keywordflow">if</span> (longind != NULL) |
|
827 <a name="l00806"></a>00806 *longind = option_index; |
|
828 <a name="l00807"></a>00807 <span class="keywordflow">if</span> (pfound->flag) |
|
829 <a name="l00808"></a>00808 { |
|
830 <a name="l00809"></a>00809 *(pfound->flag) = pfound->val; |
|
831 <a name="l00810"></a>00810 <span class="keywordflow">return</span> 0; |
|
832 <a name="l00811"></a>00811 } |
|
833 <a name="l00812"></a>00812 <span class="keywordflow">return</span> pfound->val; |
|
834 <a name="l00813"></a>00813 } |
|
835 <a name="l00814"></a>00814 |
|
836 <a name="l00815"></a>00815 <span class="comment">/* Can't find it as a long option. If this is not getopt_long_only,</span> |
|
837 <a name="l00816"></a>00816 <span class="comment"> or the option starts with '--' or is not a valid short</span> |
|
838 <a name="l00817"></a>00817 <span class="comment"> option, then it's an error.</span> |
|
839 <a name="l00818"></a>00818 <span class="comment"> Otherwise interpret it as a short option. */</span> |
|
840 <a name="l00819"></a>00819 <span class="keywordflow">if</span> (!long_only || argv[<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>][1] == <span class="charliteral">'-'</span> |
|
841 <a name="l00820"></a>00820 || my_index (optstring, *nextchar) == NULL) |
|
842 <a name="l00821"></a>00821 { |
|
843 <a name="l00822"></a>00822 <span class="keywordflow">if</span> (print_errors) |
|
844 <a name="l00823"></a>00823 { |
|
845 <a name="l00824"></a>00824 <span class="preprocessor">#if defined _LIBC && defined USE_IN_LIBIO</span> |
|
846 <a name="l00825"></a>00825 <span class="preprocessor"></span> <span class="keywordtype">char</span> *buf; |
|
847 <a name="l00826"></a>00826 <span class="preprocessor">#endif</span> |
|
848 <a name="l00827"></a>00827 <span class="preprocessor"></span> |
|
849 <a name="l00828"></a>00828 <span class="keywordflow">if</span> (argv[<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>][1] == <span class="charliteral">'-'</span>) |
|
850 <a name="l00829"></a>00829 { |
|
851 <a name="l00830"></a>00830 <span class="comment">/* --option */</span> |
|
852 <a name="l00831"></a>00831 <span class="preprocessor">#if defined _LIBC && defined USE_IN_LIBIO</span> |
|
853 <a name="l00832"></a>00832 <span class="preprocessor"></span> __asprintf (&buf, <a class="code" href="TestMasterSlave_2getopt_8c.html#5f89d3f05faaa6e056f725126282a799">_</a>(<span class="stringliteral">"%s: unrecognized option `--%s'\n"</span>), |
|
854 <a name="l00833"></a>00833 argv[0], nextchar); |
|
855 <a name="l00834"></a>00834 <span class="preprocessor">#else</span> |
|
856 <a name="l00835"></a>00835 <span class="preprocessor"></span> fprintf (stderr, <a class="code" href="TestMasterSlave_2getopt_8c.html#5f89d3f05faaa6e056f725126282a799">_</a>(<span class="stringliteral">"%s: unrecognized option `--%s'\n"</span>), |
|
857 <a name="l00836"></a>00836 argv[0], nextchar); |
|
858 <a name="l00837"></a>00837 <span class="preprocessor">#endif</span> |
|
859 <a name="l00838"></a>00838 <span class="preprocessor"></span> } |
|
860 <a name="l00839"></a>00839 <span class="keywordflow">else</span> |
|
861 <a name="l00840"></a>00840 { |
|
862 <a name="l00841"></a>00841 <span class="comment">/* +option or -option */</span> |
|
863 <a name="l00842"></a>00842 <span class="preprocessor">#if defined _LIBC && defined USE_IN_LIBIO</span> |
|
864 <a name="l00843"></a>00843 <span class="preprocessor"></span> __asprintf (&buf, <a class="code" href="TestMasterSlave_2getopt_8c.html#5f89d3f05faaa6e056f725126282a799">_</a>(<span class="stringliteral">"%s: unrecognized option `%c%s'\n"</span>), |
|
865 <a name="l00844"></a>00844 argv[0], argv[<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>][0], nextchar); |
|
866 <a name="l00845"></a>00845 <span class="preprocessor">#else</span> |
|
867 <a name="l00846"></a>00846 <span class="preprocessor"></span> fprintf (stderr, <a class="code" href="TestMasterSlave_2getopt_8c.html#5f89d3f05faaa6e056f725126282a799">_</a>(<span class="stringliteral">"%s: unrecognized option `%c%s'\n"</span>), |
|
868 <a name="l00847"></a>00847 argv[0], argv[<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>][0], nextchar); |
|
869 <a name="l00848"></a>00848 <span class="preprocessor">#endif</span> |
|
870 <a name="l00849"></a>00849 <span class="preprocessor"></span> } |
|
871 <a name="l00850"></a>00850 |
|
872 <a name="l00851"></a>00851 <span class="preprocessor">#if defined _LIBC && defined USE_IN_LIBIO</span> |
|
873 <a name="l00852"></a>00852 <span class="preprocessor"></span> <span class="keywordflow">if</span> (_IO_fwide (stderr, 0) > 0) |
|
874 <a name="l00853"></a>00853 __fwprintf (stderr, L<span class="stringliteral">"%s"</span>, buf); |
|
875 <a name="l00854"></a>00854 <span class="keywordflow">else</span> |
|
876 <a name="l00855"></a>00855 fputs (buf, stderr); |
|
877 <a name="l00856"></a>00856 |
|
878 <a name="l00857"></a>00857 free (buf); |
|
879 <a name="l00858"></a>00858 <span class="preprocessor">#endif</span> |
|
880 <a name="l00859"></a>00859 <span class="preprocessor"></span> } |
|
881 <a name="l00860"></a>00860 nextchar = (<span class="keywordtype">char</span> *) <span class="stringliteral">""</span>; |
|
882 <a name="l00861"></a>00861 <a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>++; |
|
883 <a name="l00862"></a>00862 <a class="code" href="TestMasterSlave_2getopt_8c.html#b3d1db20633bdbad253accdec2f9477f">optopt</a> = 0; |
|
884 <a name="l00863"></a>00863 <span class="keywordflow">return</span> <span class="charliteral">'?'</span>; |
|
885 <a name="l00864"></a>00864 } |
|
886 <a name="l00865"></a>00865 } |
|
887 <a name="l00866"></a>00866 |
|
888 <a name="l00867"></a>00867 <span class="comment">/* Look at and handle the next short option-character. */</span> |
|
889 <a name="l00868"></a>00868 |
|
890 <a name="l00869"></a>00869 { |
|
891 <a name="l00870"></a>00870 <span class="keywordtype">char</span> c = *nextchar++; |
|
892 <a name="l00871"></a>00871 <span class="keywordtype">char</span> *temp = my_index (optstring, c); |
|
893 <a name="l00872"></a>00872 |
|
894 <a name="l00873"></a>00873 <span class="comment">/* Increment `optind' when we start to process its last character. */</span> |
|
895 <a name="l00874"></a>00874 <span class="keywordflow">if</span> (*nextchar == <span class="charliteral">'\0'</span>) |
|
896 <a name="l00875"></a>00875 ++<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>; |
|
897 <a name="l00876"></a>00876 |
|
898 <a name="l00877"></a>00877 <span class="keywordflow">if</span> (temp == NULL || c == <span class="charliteral">':'</span>) |
|
899 <a name="l00878"></a>00878 { |
|
900 <a name="l00879"></a>00879 <span class="keywordflow">if</span> (print_errors) |
|
901 <a name="l00880"></a>00880 { |
|
902 <a name="l00881"></a>00881 <span class="preprocessor">#if defined _LIBC && defined USE_IN_LIBIO</span> |
|
903 <a name="l00882"></a>00882 <span class="preprocessor"></span> <span class="keywordtype">char</span> *buf; |
|
904 <a name="l00883"></a>00883 <span class="preprocessor">#endif</span> |
|
905 <a name="l00884"></a>00884 <span class="preprocessor"></span> |
|
906 <a name="l00885"></a>00885 <span class="keywordflow">if</span> (posixly_correct) |
|
907 <a name="l00886"></a>00886 { |
|
908 <a name="l00887"></a>00887 <span class="comment">/* 1003.2 specifies the format of this message. */</span> |
|
909 <a name="l00888"></a>00888 <span class="preprocessor">#if defined _LIBC && defined USE_IN_LIBIO</span> |
|
910 <a name="l00889"></a>00889 <span class="preprocessor"></span> __asprintf (&buf, <a class="code" href="TestMasterSlave_2getopt_8c.html#5f89d3f05faaa6e056f725126282a799">_</a>(<span class="stringliteral">"%s: illegal option -- %c\n"</span>), |
|
911 <a name="l00890"></a>00890 argv[0], c); |
|
912 <a name="l00891"></a>00891 <span class="preprocessor">#else</span> |
|
913 <a name="l00892"></a>00892 <span class="preprocessor"></span> fprintf (stderr, <a class="code" href="TestMasterSlave_2getopt_8c.html#5f89d3f05faaa6e056f725126282a799">_</a>(<span class="stringliteral">"%s: illegal option -- %c\n"</span>), argv[0], c); |
|
914 <a name="l00893"></a>00893 <span class="preprocessor">#endif</span> |
|
915 <a name="l00894"></a>00894 <span class="preprocessor"></span> } |
|
916 <a name="l00895"></a>00895 <span class="keywordflow">else</span> |
|
917 <a name="l00896"></a>00896 { |
|
918 <a name="l00897"></a>00897 <span class="preprocessor">#if defined _LIBC && defined USE_IN_LIBIO</span> |
|
919 <a name="l00898"></a>00898 <span class="preprocessor"></span> __asprintf (&buf, <a class="code" href="TestMasterSlave_2getopt_8c.html#5f89d3f05faaa6e056f725126282a799">_</a>(<span class="stringliteral">"%s: invalid option -- %c\n"</span>), |
|
920 <a name="l00899"></a>00899 argv[0], c); |
|
921 <a name="l00900"></a>00900 <span class="preprocessor">#else</span> |
|
922 <a name="l00901"></a>00901 <span class="preprocessor"></span> fprintf (stderr, <a class="code" href="TestMasterSlave_2getopt_8c.html#5f89d3f05faaa6e056f725126282a799">_</a>(<span class="stringliteral">"%s: invalid option -- %c\n"</span>), argv[0], c); |
|
923 <a name="l00902"></a>00902 <span class="preprocessor">#endif</span> |
|
924 <a name="l00903"></a>00903 <span class="preprocessor"></span> } |
|
925 <a name="l00904"></a>00904 |
|
926 <a name="l00905"></a>00905 <span class="preprocessor">#if defined _LIBC && defined USE_IN_LIBIO</span> |
|
927 <a name="l00906"></a>00906 <span class="preprocessor"></span> <span class="keywordflow">if</span> (_IO_fwide (stderr, 0) > 0) |
|
928 <a name="l00907"></a>00907 __fwprintf (stderr, L<span class="stringliteral">"%s"</span>, buf); |
|
929 <a name="l00908"></a>00908 <span class="keywordflow">else</span> |
|
930 <a name="l00909"></a>00909 fputs (buf, stderr); |
|
931 <a name="l00910"></a>00910 |
|
932 <a name="l00911"></a>00911 free (buf); |
|
933 <a name="l00912"></a>00912 <span class="preprocessor">#endif</span> |
|
934 <a name="l00913"></a>00913 <span class="preprocessor"></span> } |
|
935 <a name="l00914"></a>00914 <a class="code" href="TestMasterSlave_2getopt_8c.html#b3d1db20633bdbad253accdec2f9477f">optopt</a> = c; |
|
936 <a name="l00915"></a>00915 <span class="keywordflow">return</span> <span class="charliteral">'?'</span>; |
|
937 <a name="l00916"></a>00916 } |
|
938 <a name="l00917"></a>00917 <span class="comment">/* Convenience. Treat POSIX -W foo same as long option --foo */</span> |
|
939 <a name="l00918"></a>00918 <span class="keywordflow">if</span> (temp[0] == <span class="charliteral">'W'</span> && temp[1] == <span class="charliteral">';'</span>) |
|
940 <a name="l00919"></a>00919 { |
|
941 <a name="l00920"></a>00920 <span class="keywordtype">char</span> *nameend; |
|
942 <a name="l00921"></a>00921 <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structoption.html">option</a> *p; |
|
943 <a name="l00922"></a>00922 <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structoption.html">option</a> *pfound = NULL; |
|
944 <a name="l00923"></a>00923 <span class="keywordtype">int</span> exact = 0; |
|
945 <a name="l00924"></a>00924 <span class="keywordtype">int</span> ambig = 0; |
|
946 <a name="l00925"></a>00925 <span class="keywordtype">int</span> indfound = 0; |
|
947 <a name="l00926"></a>00926 <span class="keywordtype">int</span> option_index; |
|
948 <a name="l00927"></a>00927 |
|
949 <a name="l00928"></a>00928 <span class="comment">/* This is an option that requires an argument. */</span> |
|
950 <a name="l00929"></a>00929 <span class="keywordflow">if</span> (*nextchar != <span class="charliteral">'\0'</span>) |
|
951 <a name="l00930"></a>00930 { |
|
952 <a name="l00931"></a>00931 <a class="code" href="TestMasterSlave_2getopt_8c.html#a2d33a77952a7e6973146c1284042818">optarg</a> = nextchar; |
|
953 <a name="l00932"></a>00932 <span class="comment">/* If we end this ARGV-element by taking the rest as an arg,</span> |
|
954 <a name="l00933"></a>00933 <span class="comment"> we must advance to the next element now. */</span> |
|
955 <a name="l00934"></a>00934 <a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>++; |
|
956 <a name="l00935"></a>00935 } |
|
957 <a name="l00936"></a>00936 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a> == argc) |
|
958 <a name="l00937"></a>00937 { |
|
959 <a name="l00938"></a>00938 <span class="keywordflow">if</span> (print_errors) |
|
960 <a name="l00939"></a>00939 { |
|
961 <a name="l00940"></a>00940 <span class="comment">/* 1003.2 specifies the format of this message. */</span> |
|
962 <a name="l00941"></a>00941 <span class="preprocessor">#if defined _LIBC && defined USE_IN_LIBIO</span> |
|
963 <a name="l00942"></a>00942 <span class="preprocessor"></span> <span class="keywordtype">char</span> *buf; |
|
964 <a name="l00943"></a>00943 |
|
965 <a name="l00944"></a>00944 __asprintf (&buf, <a class="code" href="TestMasterSlave_2getopt_8c.html#5f89d3f05faaa6e056f725126282a799">_</a>(<span class="stringliteral">"%s: option requires an argument -- %c\n"</span>), |
|
966 <a name="l00945"></a>00945 argv[0], c); |
|
967 <a name="l00946"></a>00946 |
|
968 <a name="l00947"></a>00947 <span class="keywordflow">if</span> (_IO_fwide (stderr, 0) > 0) |
|
969 <a name="l00948"></a>00948 __fwprintf (stderr, L<span class="stringliteral">"%s"</span>, buf); |
|
970 <a name="l00949"></a>00949 <span class="keywordflow">else</span> |
|
971 <a name="l00950"></a>00950 fputs (buf, stderr); |
|
972 <a name="l00951"></a>00951 |
|
973 <a name="l00952"></a>00952 free (buf); |
|
974 <a name="l00953"></a>00953 <span class="preprocessor">#else</span> |
|
975 <a name="l00954"></a>00954 <span class="preprocessor"></span> fprintf (stderr, <a class="code" href="TestMasterSlave_2getopt_8c.html#5f89d3f05faaa6e056f725126282a799">_</a>(<span class="stringliteral">"%s: option requires an argument -- %c\n"</span>), |
|
976 <a name="l00955"></a>00955 argv[0], c); |
|
977 <a name="l00956"></a>00956 <span class="preprocessor">#endif</span> |
|
978 <a name="l00957"></a>00957 <span class="preprocessor"></span> } |
|
979 <a name="l00958"></a>00958 <a class="code" href="TestMasterSlave_2getopt_8c.html#b3d1db20633bdbad253accdec2f9477f">optopt</a> = c; |
|
980 <a name="l00959"></a>00959 <span class="keywordflow">if</span> (optstring[0] == <span class="charliteral">':'</span>) |
|
981 <a name="l00960"></a>00960 c = <span class="charliteral">':'</span>; |
|
982 <a name="l00961"></a>00961 <span class="keywordflow">else</span> |
|
983 <a name="l00962"></a>00962 c = <span class="charliteral">'?'</span>; |
|
984 <a name="l00963"></a>00963 <span class="keywordflow">return</span> c; |
|
985 <a name="l00964"></a>00964 } |
|
986 <a name="l00965"></a>00965 <span class="keywordflow">else</span> |
|
987 <a name="l00966"></a>00966 <span class="comment">/* We already incremented `optind' once;</span> |
|
988 <a name="l00967"></a>00967 <span class="comment"> increment it again when taking next ARGV-elt as argument. */</span> |
|
989 <a name="l00968"></a>00968 <a class="code" href="TestMasterSlave_2getopt_8c.html#a2d33a77952a7e6973146c1284042818">optarg</a> = argv[<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>++]; |
|
990 <a name="l00969"></a>00969 |
|
991 <a name="l00970"></a>00970 <span class="comment">/* optarg is now the argument, see if it's in the</span> |
|
992 <a name="l00971"></a>00971 <span class="comment"> table of longopts. */</span> |
|
993 <a name="l00972"></a>00972 |
|
994 <a name="l00973"></a>00973 <span class="keywordflow">for</span> (nextchar = nameend = <a class="code" href="TestMasterSlave_2getopt_8c.html#a2d33a77952a7e6973146c1284042818">optarg</a>; *nameend && *nameend != <span class="charliteral">'='</span>; nameend++) |
|
995 <a name="l00974"></a>00974 <span class="comment">/* Do nothing. */</span> ; |
|
996 <a name="l00975"></a>00975 |
|
997 <a name="l00976"></a>00976 <span class="comment">/* Test all long options for either exact match</span> |
|
998 <a name="l00977"></a>00977 <span class="comment"> or abbreviated matches. */</span> |
|
999 <a name="l00978"></a>00978 <span class="keywordflow">for</span> (p = longopts, option_index = 0; p-><a class="code" href="structoption.html#5c8f7c2972b277e010f9800cc9bc5fb0">name</a>; p++, option_index++) |
|
1000 <a name="l00979"></a>00979 <span class="keywordflow">if</span> (!strncmp (p-><a class="code" href="structoption.html#5c8f7c2972b277e010f9800cc9bc5fb0">name</a>, nextchar, nameend - nextchar)) |
|
1001 <a name="l00980"></a>00980 { |
|
1002 <a name="l00981"></a>00981 if ((<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>) (nameend - nextchar) == strlen (p-><a class="code" href="structoption.html#5c8f7c2972b277e010f9800cc9bc5fb0">name</a>)) |
|
1003 <a name="l00982"></a>00982 { |
|
1004 <a name="l00983"></a>00983 <span class="comment">/* Exact match found. */</span> |
|
1005 <a name="l00984"></a>00984 pfound = p; |
|
1006 <a name="l00985"></a>00985 indfound = option_index; |
|
1007 <a name="l00986"></a>00986 exact = 1; |
|
1008 <a name="l00987"></a>00987 <span class="keywordflow">break</span>; |
|
1009 <a name="l00988"></a>00988 } |
|
1010 <a name="l00989"></a>00989 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (pfound == NULL) |
|
1011 <a name="l00990"></a>00990 { |
|
1012 <a name="l00991"></a>00991 <span class="comment">/* First nonexact match found. */</span> |
|
1013 <a name="l00992"></a>00992 pfound = p; |
|
1014 <a name="l00993"></a>00993 indfound = option_index; |
|
1015 <a name="l00994"></a>00994 } |
|
1016 <a name="l00995"></a>00995 <span class="keywordflow">else</span> |
|
1017 <a name="l00996"></a>00996 <span class="comment">/* Second or later nonexact match found. */</span> |
|
1018 <a name="l00997"></a>00997 ambig = 1; |
|
1019 <a name="l00998"></a>00998 } |
|
1020 <a name="l00999"></a>00999 <span class="keywordflow">if</span> (ambig && !exact) |
|
1021 <a name="l01000"></a>01000 { |
|
1022 <a name="l01001"></a>01001 <span class="keywordflow">if</span> (print_errors) |
|
1023 <a name="l01002"></a>01002 { |
|
1024 <a name="l01003"></a>01003 #<span class="keywordflow">if</span> defined _LIBC && defined USE_IN_LIBIO |
|
1025 <a name="l01004"></a>01004 <span class="keywordtype">char</span> *buf; |
|
1026 <a name="l01005"></a>01005 |
|
1027 <a name="l01006"></a>01006 __asprintf (&buf, <a class="code" href="TestMasterSlave_2getopt_8c.html#5f89d3f05faaa6e056f725126282a799">_</a>(<span class="stringliteral">"%s: option `-W %s' is ambiguous\n"</span>), |
|
1028 <a name="l01007"></a>01007 argv[0], argv[<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>]); |
|
1029 <a name="l01008"></a>01008 |
|
1030 <a name="l01009"></a>01009 <span class="keywordflow">if</span> (_IO_fwide (stderr, 0) > 0) |
|
1031 <a name="l01010"></a>01010 __fwprintf (stderr, L<span class="stringliteral">"%s"</span>, buf); |
|
1032 <a name="l01011"></a>01011 <span class="keywordflow">else</span> |
|
1033 <a name="l01012"></a>01012 fputs (buf, stderr); |
|
1034 <a name="l01013"></a>01013 |
|
1035 <a name="l01014"></a>01014 free (buf); |
|
1036 <a name="l01015"></a>01015 <span class="preprocessor">#else</span> |
|
1037 <a name="l01016"></a>01016 <span class="preprocessor"></span> fprintf (stderr, <a class="code" href="TestMasterSlave_2getopt_8c.html#5f89d3f05faaa6e056f725126282a799">_</a>(<span class="stringliteral">"%s: option `-W %s' is ambiguous\n"</span>), |
|
1038 <a name="l01017"></a>01017 argv[0], argv[<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>]); |
|
1039 <a name="l01018"></a>01018 <span class="preprocessor">#endif</span> |
|
1040 <a name="l01019"></a>01019 <span class="preprocessor"></span> } |
|
1041 <a name="l01020"></a>01020 nextchar += strlen (nextchar); |
|
1042 <a name="l01021"></a>01021 <a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>++; |
|
1043 <a name="l01022"></a>01022 <span class="keywordflow">return</span> <span class="charliteral">'?'</span>; |
|
1044 <a name="l01023"></a>01023 } |
|
1045 <a name="l01024"></a>01024 <span class="keywordflow">if</span> (pfound != NULL) |
|
1046 <a name="l01025"></a>01025 { |
|
1047 <a name="l01026"></a>01026 option_index = indfound; |
|
1048 <a name="l01027"></a>01027 <span class="keywordflow">if</span> (*nameend) |
|
1049 <a name="l01028"></a>01028 { |
|
1050 <a name="l01029"></a>01029 <span class="comment">/* Don't test has_arg with >, because some C compilers don't</span> |
|
1051 <a name="l01030"></a>01030 <span class="comment"> allow it to be used on enums. */</span> |
|
1052 <a name="l01031"></a>01031 <span class="keywordflow">if</span> (pfound-><a class="code" href="structoption.html#0f7e57456d9954fb17d182bcfd2ef54c">has_arg</a>) |
|
1053 <a name="l01032"></a>01032 <a class="code" href="TestMasterSlave_2getopt_8c.html#a2d33a77952a7e6973146c1284042818">optarg</a> = nameend + 1; |
|
1054 <a name="l01033"></a>01033 <span class="keywordflow">else</span> |
|
1055 <a name="l01034"></a>01034 { |
|
1056 <a name="l01035"></a>01035 <span class="keywordflow">if</span> (print_errors) |
|
1057 <a name="l01036"></a>01036 { |
|
1058 <a name="l01037"></a>01037 <span class="preprocessor">#if defined _LIBC && defined USE_IN_LIBIO</span> |
|
1059 <a name="l01038"></a>01038 <span class="preprocessor"></span> <span class="keywordtype">char</span> *buf; |
|
1060 <a name="l01039"></a>01039 |
|
1061 <a name="l01040"></a>01040 __asprintf (&buf, <a class="code" href="TestMasterSlave_2getopt_8c.html#5f89d3f05faaa6e056f725126282a799">_</a>(<span class="stringliteral">"\</span> |
|
1062 <a name="l01041"></a>01041 <span class="stringliteral">%s: option `-W %s' doesn't allow an argument\n"</span>), |
|
1063 <a name="l01042"></a>01042 argv[0], pfound-><a class="code" href="structoption.html#5c8f7c2972b277e010f9800cc9bc5fb0">name</a>); |
|
1064 <a name="l01043"></a>01043 |
|
1065 <a name="l01044"></a>01044 <span class="keywordflow">if</span> (_IO_fwide (stderr, 0) > 0) |
|
1066 <a name="l01045"></a>01045 __fwprintf (stderr, L<span class="stringliteral">"%s"</span>, buf); |
|
1067 <a name="l01046"></a>01046 <span class="keywordflow">else</span> |
|
1068 <a name="l01047"></a>01047 fputs (buf, stderr); |
|
1069 <a name="l01048"></a>01048 |
|
1070 <a name="l01049"></a>01049 free (buf); |
|
1071 <a name="l01050"></a>01050 <span class="preprocessor">#else</span> |
|
1072 <a name="l01051"></a>01051 <span class="preprocessor"></span> fprintf (stderr, <a class="code" href="TestMasterSlave_2getopt_8c.html#5f89d3f05faaa6e056f725126282a799">_</a>(<span class="stringliteral">"\</span> |
|
1073 <a name="l01052"></a>01052 <span class="stringliteral">%s: option `-W %s' doesn't allow an argument\n"</span>), |
|
1074 <a name="l01053"></a>01053 argv[0], pfound-><a class="code" href="structoption.html#5c8f7c2972b277e010f9800cc9bc5fb0">name</a>); |
|
1075 <a name="l01054"></a>01054 <span class="preprocessor">#endif</span> |
|
1076 <a name="l01055"></a>01055 <span class="preprocessor"></span> } |
|
1077 <a name="l01056"></a>01056 |
|
1078 <a name="l01057"></a>01057 nextchar += strlen (nextchar); |
|
1079 <a name="l01058"></a>01058 <span class="keywordflow">return</span> <span class="charliteral">'?'</span>; |
|
1080 <a name="l01059"></a>01059 } |
|
1081 <a name="l01060"></a>01060 } |
|
1082 <a name="l01061"></a>01061 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (pfound-><a class="code" href="structoption.html#0f7e57456d9954fb17d182bcfd2ef54c">has_arg</a> == 1) |
|
1083 <a name="l01062"></a>01062 { |
|
1084 <a name="l01063"></a>01063 <span class="keywordflow">if</span> (<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a> < argc) |
|
1085 <a name="l01064"></a>01064 <a class="code" href="TestMasterSlave_2getopt_8c.html#a2d33a77952a7e6973146c1284042818">optarg</a> = argv[<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>++]; |
|
1086 <a name="l01065"></a>01065 <span class="keywordflow">else</span> |
|
1087 <a name="l01066"></a>01066 { |
|
1088 <a name="l01067"></a>01067 <span class="keywordflow">if</span> (print_errors) |
|
1089 <a name="l01068"></a>01068 { |
|
1090 <a name="l01069"></a>01069 <span class="preprocessor">#if defined _LIBC && defined USE_IN_LIBIO</span> |
|
1091 <a name="l01070"></a>01070 <span class="preprocessor"></span> <span class="keywordtype">char</span> *buf; |
|
1092 <a name="l01071"></a>01071 |
|
1093 <a name="l01072"></a>01072 __asprintf (&buf, <a class="code" href="TestMasterSlave_2getopt_8c.html#5f89d3f05faaa6e056f725126282a799">_</a>(<span class="stringliteral">"\</span> |
|
1094 <a name="l01073"></a>01073 <span class="stringliteral">%s: option `%s' requires an argument\n"</span>), |
|
1095 <a name="l01074"></a>01074 argv[0], argv[<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a> - 1]); |
|
1096 <a name="l01075"></a>01075 |
|
1097 <a name="l01076"></a>01076 <span class="keywordflow">if</span> (_IO_fwide (stderr, 0) > 0) |
|
1098 <a name="l01077"></a>01077 __fwprintf (stderr, L<span class="stringliteral">"%s"</span>, buf); |
|
1099 <a name="l01078"></a>01078 <span class="keywordflow">else</span> |
|
1100 <a name="l01079"></a>01079 fputs (buf, stderr); |
|
1101 <a name="l01080"></a>01080 |
|
1102 <a name="l01081"></a>01081 free (buf); |
|
1103 <a name="l01082"></a>01082 <span class="preprocessor">#else</span> |
|
1104 <a name="l01083"></a>01083 <span class="preprocessor"></span> fprintf (stderr, |
|
1105 <a name="l01084"></a>01084 <a class="code" href="TestMasterSlave_2getopt_8c.html#5f89d3f05faaa6e056f725126282a799">_</a>(<span class="stringliteral">"%s: option `%s' requires an argument\n"</span>), |
|
1106 <a name="l01085"></a>01085 argv[0], argv[<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a> - 1]); |
|
1107 <a name="l01086"></a>01086 <span class="preprocessor">#endif</span> |
|
1108 <a name="l01087"></a>01087 <span class="preprocessor"></span> } |
|
1109 <a name="l01088"></a>01088 nextchar += strlen (nextchar); |
|
1110 <a name="l01089"></a>01089 <span class="keywordflow">return</span> optstring[0] == <span class="charliteral">':'</span> ? <span class="charliteral">':'</span> : <span class="charliteral">'?'</span>; |
|
1111 <a name="l01090"></a>01090 } |
|
1112 <a name="l01091"></a>01091 } |
|
1113 <a name="l01092"></a>01092 nextchar += strlen (nextchar); |
|
1114 <a name="l01093"></a>01093 <span class="keywordflow">if</span> (longind != NULL) |
|
1115 <a name="l01094"></a>01094 *longind = option_index; |
|
1116 <a name="l01095"></a>01095 <span class="keywordflow">if</span> (pfound-><a class="code" href="structoption.html#8f77295b521f0c6c955608190229d4a3">flag</a>) |
|
1117 <a name="l01096"></a>01096 { |
|
1118 <a name="l01097"></a>01097 *(pfound-><a class="code" href="structoption.html#8f77295b521f0c6c955608190229d4a3">flag</a>) = pfound-><a class="code" href="structoption.html#87e05ca729a19b01fcef8db8320f1930">val</a>; |
|
1119 <a name="l01098"></a>01098 <span class="keywordflow">return</span> 0; |
|
1120 <a name="l01099"></a>01099 } |
|
1121 <a name="l01100"></a>01100 <span class="keywordflow">return</span> pfound-><a class="code" href="structoption.html#87e05ca729a19b01fcef8db8320f1930">val</a>; |
|
1122 <a name="l01101"></a>01101 } |
|
1123 <a name="l01102"></a>01102 nextchar = NULL; |
|
1124 <a name="l01103"></a>01103 <span class="keywordflow">return</span> <span class="charliteral">'W'</span>; <span class="comment">/* Let the application handle it. */</span> |
|
1125 <a name="l01104"></a>01104 } |
|
1126 <a name="l01105"></a>01105 <span class="keywordflow">if</span> (temp[1] == <span class="charliteral">':'</span>) |
|
1127 <a name="l01106"></a>01106 { |
|
1128 <a name="l01107"></a>01107 <span class="keywordflow">if</span> (temp[2] == <span class="charliteral">':'</span>) |
|
1129 <a name="l01108"></a>01108 { |
|
1130 <a name="l01109"></a>01109 <span class="comment">/* This is an option that accepts an argument optionally. */</span> |
|
1131 <a name="l01110"></a>01110 <span class="keywordflow">if</span> (*nextchar != <span class="charliteral">'\0'</span>) |
|
1132 <a name="l01111"></a>01111 { |
|
1133 <a name="l01112"></a>01112 <a class="code" href="TestMasterSlave_2getopt_8c.html#a2d33a77952a7e6973146c1284042818">optarg</a> = nextchar; |
|
1134 <a name="l01113"></a>01113 <a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>++; |
|
1135 <a name="l01114"></a>01114 } |
|
1136 <a name="l01115"></a>01115 <span class="keywordflow">else</span> |
|
1137 <a name="l01116"></a>01116 <a class="code" href="TestMasterSlave_2getopt_8c.html#a2d33a77952a7e6973146c1284042818">optarg</a> = NULL; |
|
1138 <a name="l01117"></a>01117 nextchar = NULL; |
|
1139 <a name="l01118"></a>01118 } |
|
1140 <a name="l01119"></a>01119 <span class="keywordflow">else</span> |
|
1141 <a name="l01120"></a>01120 { |
|
1142 <a name="l01121"></a>01121 <span class="comment">/* This is an option that requires an argument. */</span> |
|
1143 <a name="l01122"></a>01122 <span class="keywordflow">if</span> (*nextchar != <span class="charliteral">'\0'</span>) |
|
1144 <a name="l01123"></a>01123 { |
|
1145 <a name="l01124"></a>01124 <a class="code" href="TestMasterSlave_2getopt_8c.html#a2d33a77952a7e6973146c1284042818">optarg</a> = nextchar; |
|
1146 <a name="l01125"></a>01125 <span class="comment">/* If we end this ARGV-element by taking the rest as an arg,</span> |
|
1147 <a name="l01126"></a>01126 <span class="comment"> we must advance to the next element now. */</span> |
|
1148 <a name="l01127"></a>01127 <a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>++; |
|
1149 <a name="l01128"></a>01128 } |
|
1150 <a name="l01129"></a>01129 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a> == argc) |
|
1151 <a name="l01130"></a>01130 { |
|
1152 <a name="l01131"></a>01131 <span class="keywordflow">if</span> (print_errors) |
|
1153 <a name="l01132"></a>01132 { |
|
1154 <a name="l01133"></a>01133 <span class="comment">/* 1003.2 specifies the format of this message. */</span> |
|
1155 <a name="l01134"></a>01134 <span class="preprocessor">#if defined _LIBC && defined USE_IN_LIBIO</span> |
|
1156 <a name="l01135"></a>01135 <span class="preprocessor"></span> <span class="keywordtype">char</span> *buf; |
|
1157 <a name="l01136"></a>01136 |
|
1158 <a name="l01137"></a>01137 __asprintf (&buf, |
|
1159 <a name="l01138"></a>01138 <a class="code" href="TestMasterSlave_2getopt_8c.html#5f89d3f05faaa6e056f725126282a799">_</a>(<span class="stringliteral">"%s: option requires an argument -- %c\n"</span>), |
|
1160 <a name="l01139"></a>01139 argv[0], c); |
|
1161 <a name="l01140"></a>01140 |
|
1162 <a name="l01141"></a>01141 <span class="keywordflow">if</span> (_IO_fwide (stderr, 0) > 0) |
|
1163 <a name="l01142"></a>01142 __fwprintf (stderr, L<span class="stringliteral">"%s"</span>, buf); |
|
1164 <a name="l01143"></a>01143 <span class="keywordflow">else</span> |
|
1165 <a name="l01144"></a>01144 fputs (buf, stderr); |
|
1166 <a name="l01145"></a>01145 |
|
1167 <a name="l01146"></a>01146 free (buf); |
|
1168 <a name="l01147"></a>01147 <span class="preprocessor">#else</span> |
|
1169 <a name="l01148"></a>01148 <span class="preprocessor"></span> fprintf (stderr, |
|
1170 <a name="l01149"></a>01149 <a class="code" href="TestMasterSlave_2getopt_8c.html#5f89d3f05faaa6e056f725126282a799">_</a>(<span class="stringliteral">"%s: option requires an argument -- %c\n"</span>), |
|
1171 <a name="l01150"></a>01150 argv[0], c); |
|
1172 <a name="l01151"></a>01151 <span class="preprocessor">#endif</span> |
|
1173 <a name="l01152"></a>01152 <span class="preprocessor"></span> } |
|
1174 <a name="l01153"></a>01153 <a class="code" href="TestMasterSlave_2getopt_8c.html#b3d1db20633bdbad253accdec2f9477f">optopt</a> = c; |
|
1175 <a name="l01154"></a>01154 <span class="keywordflow">if</span> (optstring[0] == <span class="charliteral">':'</span>) |
|
1176 <a name="l01155"></a>01155 c = <span class="charliteral">':'</span>; |
|
1177 <a name="l01156"></a>01156 <span class="keywordflow">else</span> |
|
1178 <a name="l01157"></a>01157 c = <span class="charliteral">'?'</span>; |
|
1179 <a name="l01158"></a>01158 } |
|
1180 <a name="l01159"></a>01159 <span class="keywordflow">else</span> |
|
1181 <a name="l01160"></a>01160 <span class="comment">/* We already incremented `optind' once;</span> |
|
1182 <a name="l01161"></a>01161 <span class="comment"> increment it again when taking next ARGV-elt as argument. */</span> |
|
1183 <a name="l01162"></a>01162 <a class="code" href="TestMasterSlave_2getopt_8c.html#a2d33a77952a7e6973146c1284042818">optarg</a> = argv[<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>++]; |
|
1184 <a name="l01163"></a>01163 nextchar = NULL; |
|
1185 <a name="l01164"></a>01164 } |
|
1186 <a name="l01165"></a>01165 } |
|
1187 <a name="l01166"></a>01166 <span class="keywordflow">return</span> c; |
|
1188 <a name="l01167"></a>01167 } |
|
1189 <a name="l01168"></a>01168 } |
|
1190 <a name="l01169"></a>01169 |
|
1191 <a name="l01170"></a>01170 <span class="keywordtype">int</span> |
|
1192 <a name="l01171"></a><a class="code" href="TestMasterSlave_2getopt_8c.html#afdf882e55974b727c64559defdc4326">01171</a> <a class="code" href="TestMasterSlave_2getopt_8c.html#afdf882e55974b727c64559defdc4326">getopt</a> (argc, argv, optstring) |
|
1193 <a name="l01172"></a>01172 int argc; |
|
1194 <a name="l01173"></a>01173 <span class="keywordtype">char</span> *const *argv; |
|
1195 <a name="l01174"></a>01174 const <span class="keywordtype">char</span> *optstring; |
|
1196 <a name="l01175"></a>01175 { |
|
1197 <a name="l01176"></a>01176 <span class="keywordflow">return</span> <a class="code" href="TestMasterSlave_2getopt_8c.html#ca624a08c8860a96fd9afd064ff1e598">_getopt_internal</a> (argc, argv, optstring, |
|
1198 <a name="l01177"></a>01177 (<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structoption.html">option</a> *) 0, |
|
1199 <a name="l01178"></a>01178 (<span class="keywordtype">int</span> *) 0, |
|
1200 <a name="l01179"></a>01179 0); |
|
1201 <a name="l01180"></a>01180 } |
|
1202 <a name="l01181"></a>01181 |
|
1203 <a name="l01182"></a>01182 <span class="preprocessor">#endif </span><span class="comment">/* Not ELIDE_CODE. */</span> |
|
1204 <a name="l01183"></a>01183 |
|
1205 <a name="l01184"></a>01184 |
|
1206 <a name="l01185"></a>01185 <span class="comment">/* Compile with -DTEST to make an executable for use in testing</span> |
|
1207 <a name="l01186"></a>01186 <span class="comment"> the above definition of `getopt'. */</span> |
|
1208 <a name="l01187"></a>01187 |
|
1209 <a name="l01188"></a>01188 <span class="comment">/* #define TEST */</span> <span class="comment">/* Pete Wilson mod 7/28/02 */</span> |
|
1210 <a name="l01189"></a>01189 <span class="preprocessor">#ifdef TEST</span> |
|
1211 <a name="l01190"></a>01190 <span class="preprocessor"></span> |
|
1212 <a name="l01191"></a>01191 <span class="preprocessor">#ifndef exit </span><span class="comment">/* Pete Wilson mod 7/28/02 */</span> |
|
1213 <a name="l01192"></a>01192 <span class="keywordtype">int</span> exit(<span class="keywordtype">int</span>); <span class="comment">/* Pete Wilson mod 7/28/02 */</span> |
|
1214 <a name="l01193"></a>01193 <span class="preprocessor">#endif </span><span class="comment">/* Pete Wilson mod 7/28/02 */</span> |
|
1215 <a name="l01194"></a>01194 |
|
1216 <a name="l01195"></a>01195 <span class="keywordtype">int</span> |
|
1217 <a name="l01196"></a>01196 <a class="code" href="appli_8c.html#35d180f652ecf52603a5e9d7e891665f">main</a> (argc, argv) |
|
1218 <a name="l01197"></a>01197 int argc; |
|
1219 <a name="l01198"></a>01198 <span class="keywordtype">char</span> **argv; |
|
1220 <a name="l01199"></a>01199 { |
|
1221 <a name="l01200"></a>01200 <span class="keywordtype">int</span> c; |
|
1222 <a name="l01201"></a>01201 <span class="keywordtype">int</span> digit_optind = 0; |
|
1223 <a name="l01202"></a>01202 |
|
1224 <a name="l01203"></a>01203 <span class="keywordflow">while</span> (1) |
|
1225 <a name="l01204"></a>01204 { |
|
1226 <a name="l01205"></a>01205 <span class="keywordtype">int</span> this_option_optind = <a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a> ? <a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a> : 1; |
|
1227 <a name="l01206"></a>01206 |
|
1228 <a name="l01207"></a>01207 c = <a class="code" href="TestMasterSlave_2getopt_8c.html#afdf882e55974b727c64559defdc4326">getopt</a> (argc, argv, <span class="stringliteral">"abc:d:0123456789"</span>); |
|
1229 <a name="l01208"></a>01208 <span class="keywordflow">if</span> (c == -1) |
|
1230 <a name="l01209"></a>01209 <span class="keywordflow">break</span>; |
|
1231 <a name="l01210"></a>01210 |
|
1232 <a name="l01211"></a>01211 <span class="keywordflow">switch</span> (c) |
|
1233 <a name="l01212"></a>01212 { |
|
1234 <a name="l01213"></a>01213 <span class="keywordflow">case</span> <span class="charliteral">'0'</span>: |
|
1235 <a name="l01214"></a>01214 <span class="keywordflow">case</span> <span class="charliteral">'1'</span>: |
|
1236 <a name="l01215"></a>01215 <span class="keywordflow">case</span> <span class="charliteral">'2'</span>: |
|
1237 <a name="l01216"></a>01216 <span class="keywordflow">case</span> <span class="charliteral">'3'</span>: |
|
1238 <a name="l01217"></a>01217 <span class="keywordflow">case</span> <span class="charliteral">'4'</span>: |
|
1239 <a name="l01218"></a>01218 <span class="keywordflow">case</span> <span class="charliteral">'5'</span>: |
|
1240 <a name="l01219"></a>01219 <span class="keywordflow">case</span> <span class="charliteral">'6'</span>: |
|
1241 <a name="l01220"></a>01220 <span class="keywordflow">case</span> <span class="charliteral">'7'</span>: |
|
1242 <a name="l01221"></a>01221 <span class="keywordflow">case</span> <span class="charliteral">'8'</span>: |
|
1243 <a name="l01222"></a>01222 <span class="keywordflow">case</span> <span class="charliteral">'9'</span>: |
|
1244 <a name="l01223"></a>01223 <span class="keywordflow">if</span> (digit_optind != 0 && digit_optind != this_option_optind) |
|
1245 <a name="l01224"></a>01224 printf (<span class="stringliteral">"digits occur in two different argv-elements.\n"</span>); |
|
1246 <a name="l01225"></a>01225 digit_optind = this_option_optind; |
|
1247 <a name="l01226"></a>01226 printf (<span class="stringliteral">"option %c\n"</span>, c); |
|
1248 <a name="l01227"></a>01227 <span class="keywordflow">break</span>; |
|
1249 <a name="l01228"></a>01228 |
|
1250 <a name="l01229"></a>01229 <span class="keywordflow">case</span> <span class="charliteral">'a'</span>: |
|
1251 <a name="l01230"></a>01230 printf (<span class="stringliteral">"option a\n"</span>); |
|
1252 <a name="l01231"></a>01231 <span class="keywordflow">break</span>; |
|
1253 <a name="l01232"></a>01232 |
|
1254 <a name="l01233"></a>01233 <span class="keywordflow">case</span> <span class="charliteral">'b'</span>: |
|
1255 <a name="l01234"></a>01234 printf (<span class="stringliteral">"option b\n"</span>); |
|
1256 <a name="l01235"></a>01235 <span class="keywordflow">break</span>; |
|
1257 <a name="l01236"></a>01236 |
|
1258 <a name="l01237"></a>01237 <span class="keywordflow">case</span> <span class="charliteral">'c'</span>: |
|
1259 <a name="l01238"></a>01238 printf (<span class="stringliteral">"option c with value `%s'\n"</span>, <a class="code" href="TestMasterSlave_2getopt_8c.html#a2d33a77952a7e6973146c1284042818">optarg</a>); |
|
1260 <a name="l01239"></a>01239 <span class="keywordflow">break</span>; |
|
1261 <a name="l01240"></a>01240 |
|
1262 <a name="l01241"></a>01241 <span class="keywordflow">case</span> <span class="charliteral">'?'</span>: |
|
1263 <a name="l01242"></a>01242 <span class="keywordflow">break</span>; |
|
1264 <a name="l01243"></a>01243 |
|
1265 <a name="l01244"></a>01244 <span class="keywordflow">default</span>: |
|
1266 <a name="l01245"></a>01245 printf (<span class="stringliteral">"?? getopt returned character code 0%o ??\n"</span>, c); |
|
1267 <a name="l01246"></a>01246 } |
|
1268 <a name="l01247"></a>01247 } |
|
1269 <a name="l01248"></a>01248 |
|
1270 <a name="l01249"></a>01249 <span class="keywordflow">if</span> (<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a> < argc) |
|
1271 <a name="l01250"></a>01250 { |
|
1272 <a name="l01251"></a>01251 printf (<span class="stringliteral">"non-option ARGV-elements: "</span>); |
|
1273 <a name="l01252"></a>01252 <span class="keywordflow">while</span> (<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a> < argc) |
|
1274 <a name="l01253"></a>01253 printf (<span class="stringliteral">"%s "</span>, argv[<a class="code" href="TestMasterSlave_2getopt_8c.html#87eb6bb97b34e1d4c6b85f8a23db5858">optind</a>++]); |
|
1275 <a name="l01254"></a>01254 printf (<span class="stringliteral">"\n"</span>); |
|
1276 <a name="l01255"></a>01255 } |
|
1277 <a name="l01256"></a>01256 |
|
1278 <a name="l01257"></a>01257 exit (0); |
|
1279 <a name="l01258"></a>01258 } |
|
1280 <a name="l01259"></a>01259 |
|
1281 <a name="l01260"></a>01260 <span class="preprocessor">#endif </span><span class="comment">/* TEST */</span> |
|
1282 </pre></div><hr size="1"><address style="align: right;"><small>Generated on Mon Jul 2 19:10:16 2007 for CanFestival by |
|
1283 <a href="http://www.doxygen.org/index.html"> |
|
1284 <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.1 </small></address> |
|
1285 </body> |
|
1286 </html> |
|