comparison: src/getopt1.c
src/getopt1.c
- changeset 14253
- b63ebf84c42b
- parent 14252
- d10dda2777a9
- child 14254
- 77edc7a6191a
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| 14252:d10dda2777a9 | 14253:b63ebf84c42b |
|---|---|
| 1 /* getopt_long and getopt_long_only entry points for GNU getopt. | |
| 2 Gaim is the legal property of its developers, whose names are too numerous | |
| 3 to list here. Please refer to the COPYRIGHT file distributed with this | |
| 4 source distribution. | |
| 5 | |
| 6 This program is free software; you can redistribute it and/or modify it | |
| 7 under the terms of the GNU General Public License as published by the | |
| 8 Free Software Foundation; either version 2, or (at your option) any | |
| 9 later version. | |
| 10 | |
| 11 This program is distributed in the hope that it will be useful, | |
| 12 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 GNU General Public License for more details. | |
| 15 | |
| 16 You should have received a copy of the GNU General Public License | |
| 17 along with this program; if not, write to the Free Software | |
| 18 Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
| 19 | |
| 20 #ifdef HAVE_CONFIG_H | |
| 21 #include "config.h" | |
| 22 #endif | |
| 23 | |
| 24 #include "getopt.h" | |
| 25 | |
| 26 #if !__STDC__ && !defined(const) && IN_GCC | |
| 27 #define const | |
| 28 #endif | |
| 29 | |
| 30 #include <stdio.h> | |
| 31 | |
| 32 /* Comment out all this code if we are using the GNU C Library, and are not | |
| 33 actually compiling the library itself. This code is part of the GNU C | |
| 34 Library, but also included in many other GNU distributions. Compiling | |
| 35 and linking in this code is a waste when using the GNU C library | |
| 36 (especially if it is a shared library). Rather than having every GNU | |
| 37 program understand `configure --with-gnu-libc' and omit the object files, | |
| 38 it is simpler to just do this in the source for each such file. */ | |
| 39 | |
| 40 #if defined (_LIBC) || !defined (__GNU_LIBRARY__) | |
| 41 | |
| 42 | |
| 43 /* This needs to come after some library #include | |
| 44 to get __GNU_LIBRARY__ defined. */ | |
| 45 #ifdef __GNU_LIBRARY__ | |
| 46 #include <stdlib.h> | |
| 47 #else | |
| 48 char *getenv (); | |
| 49 #endif | |
| 50 | |
| 51 #ifndef NULL | |
| 52 #define NULL 0 | |
| 53 #endif | |
| 54 | |
| 55 int | |
| 56 getopt_long (argc, argv, options, long_options, opt_index) | |
| 57 int argc; | |
| 58 char *const *argv; | |
| 59 const char *options; | |
| 60 const struct option *long_options; | |
| 61 int *opt_index; | |
| 62 { | |
| 63 return _getopt_internal (argc, argv, options, long_options, opt_index, 0); | |
| 64 } | |
| 65 | |
| 66 /* Like getopt_long, but '-' as well as '--' can indicate a long option. | |
| 67 If an option that starts with '-' (not '--') doesn't match a long option, | |
| 68 but does match a short option, it is parsed as a short option | |
| 69 instead. */ | |
| 70 | |
| 71 int | |
| 72 getopt_long_only (argc, argv, options, long_options, opt_index) | |
| 73 int argc; | |
| 74 char *const *argv; | |
| 75 const char *options; | |
| 76 const struct option *long_options; | |
| 77 int *opt_index; | |
| 78 { | |
| 79 return _getopt_internal (argc, argv, options, long_options, opt_index, 1); | |
| 80 } | |
| 81 | |
| 82 | |
| 83 #endif /* _LIBC or not __GNU_LIBRARY__. */ | |
| 84 | |
| 85 #ifdef TEST | |
| 86 | |
| 87 #include <stdio.h> | |
| 88 | |
| 89 int | |
| 90 main (argc, argv) | |
| 91 int argc; | |
| 92 char **argv; | |
| 93 { | |
| 94 int c; | |
| 95 int digit_optind = 0; | |
| 96 | |
| 97 while (1) | |
| 98 { | |
| 99 int this_option_optind = optind ? optind : 1; | |
| 100 int option_index = 0; | |
| 101 static struct option long_options[] = | |
| 102 { | |
| 103 {"add", 1, 0, 0}, | |
| 104 {"append", 0, 0, 0}, | |
| 105 {"delete", 1, 0, 0}, | |
| 106 {"verbose", 0, 0, 0}, | |
| 107 {"create", 0, 0, 0}, | |
| 108 {"file", 1, 0, 0}, | |
| 109 {0, 0, 0, 0} | |
| 110 }; | |
| 111 | |
| 112 c = getopt_long (argc, argv, "abc:d:0123456789", | |
| 113 long_options, &option_index); | |
| 114 if (c == EOF) | |
| 115 break; | |
| 116 | |
| 117 switch (c) | |
| 118 { | |
| 119 case 0: | |
| 120 printf ("option %s", long_options[option_index].name); | |
| 121 if (optarg) | |
| 122 printf (" with arg %s", optarg); | |
| 123 printf ("\n"); | |
| 124 break; | |
| 125 | |
| 126 case '0': | |
| 127 case '1': | |
| 128 case '2': | |
| 129 case '3': | |
| 130 case '4': | |
| 131 case '5': | |
| 132 case '6': | |
| 133 case '7': | |
| 134 case '8': | |
| 135 case '9': | |
| 136 if (digit_optind != 0 && digit_optind != this_option_optind) | |
| 137 printf ("digits occur in two different argv-elements.\n"); | |
| 138 digit_optind = this_option_optind; | |
| 139 printf ("option %c\n", c); | |
| 140 break; | |
| 141 | |
| 142 case 'a': | |
| 143 printf ("option a\n"); | |
| 144 break; | |
| 145 | |
| 146 case 'b': | |
| 147 printf ("option b\n"); | |
| 148 break; | |
| 149 | |
| 150 case 'c': | |
| 151 printf ("option c with value `%s'\n", optarg); | |
| 152 break; | |
| 153 | |
| 154 case 'd': | |
| 155 printf ("option d with value `%s'\n", optarg); | |
| 156 break; | |
| 157 | |
| 158 case '?': | |
| 159 break; | |
| 160 | |
| 161 default: | |
| 162 printf ("?? getopt returned character code 0%o ??\n", c); | |
| 163 } | |
| 164 } | |
| 165 | |
| 166 if (optind < argc) | |
| 167 { | |
| 168 printf ("non-option ARGV-elements: "); | |
| 169 while (optind < argc) | |
| 170 printf ("%s ", argv[optind++]); | |
| 171 printf ("\n"); | |
| 172 } | |
| 173 | |
| 174 exit (0); | |
| 175 } | |
| 176 | |
| 177 #endif /* TEST */ |
