[17619] | 1 | /* getopt_long and getopt_long_only entry points for GNU getopt. |
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| 2 | Copyright (C) 1987,88,89,90,91,92,93,94,96,97 Free Software Foundation, Inc. |
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| 3 | |
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| 4 | This file is part of the GNU C Library. Its master source is NOT part of |
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| 5 | the C library, however. The master source lives in /gd/gnu/lib. |
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| 6 | |
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| 7 | The GNU C Library is free software; you can redistribute it and/or |
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| 8 | modify it under the terms of the GNU Library General Public License as |
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| 9 | published by the Free Software Foundation; either version 2 of the |
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| 10 | License, or (at your option) any later version. |
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| 11 | |
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| 12 | The GNU C Library is distributed in the hope that it will be useful, |
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| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 15 | Library General Public License for more details. |
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| 16 | |
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| 17 | You should have received a copy of the GNU Library General Public |
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| 18 | License along with the GNU C Library; see the file COPYING.LIB. If not, |
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| 19 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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| 20 | Boston, MA 02111-1307, USA. */ |
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| 21 | |
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| 22 | #ifdef HAVE_CONFIG_H |
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| 23 | #include <config.h> |
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| 24 | #endif |
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| 25 | |
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| 26 | #include "getopt.h" |
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| 27 | |
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| 28 | #if !defined (__STDC__) || !__STDC__ |
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| 29 | /* This is a separate conditional since some stdc systems |
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| 30 | reject `defined (const)'. */ |
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| 31 | #ifndef const |
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| 32 | #define const |
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| 33 | #endif |
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| 34 | #endif |
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| 35 | |
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| 36 | #include <stdio.h> |
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| 37 | |
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| 38 | /* Comment out all this code if we are using the GNU C Library, and are not |
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| 39 | actually compiling the library itself. This code is part of the GNU C |
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| 40 | Library, but also included in many other GNU distributions. Compiling |
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| 41 | and linking in this code is a waste when using the GNU C library |
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| 42 | (especially if it is a shared library). Rather than having every GNU |
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| 43 | program understand `configure --with-gnu-libc' and omit the object files, |
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| 44 | it is simpler to just do this in the source for each such file. */ |
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| 45 | |
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| 46 | #define GETOPT_INTERFACE_VERSION 2 |
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| 47 | #if !defined (_LIBC) && defined (__GLIBC__) && __GLIBC__ >= 2 |
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| 48 | #include <gnu-versions.h> |
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| 49 | #if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION |
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| 50 | #define ELIDE_CODE |
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| 51 | #endif |
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| 52 | #endif |
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| 53 | |
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| 54 | #ifndef ELIDE_CODE |
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| 55 | |
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| 56 | |
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| 57 | /* This needs to come after some library #include |
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| 58 | to get __GNU_LIBRARY__ defined. */ |
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| 59 | #ifdef __GNU_LIBRARY__ |
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| 60 | #include <stdlib.h> |
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| 61 | #endif |
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| 62 | |
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| 63 | #ifndef NULL |
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| 64 | #define NULL 0 |
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| 65 | #endif |
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| 66 | |
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| 67 | int |
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| 68 | getopt_long (argc, argv, options, long_options, opt_index) |
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| 69 | int argc; |
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| 70 | char *const *argv; |
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| 71 | const char *options; |
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| 72 | const struct option *long_options; |
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| 73 | int *opt_index; |
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| 74 | { |
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| 75 | return _getopt_internal (argc, argv, options, long_options, opt_index, 0); |
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| 76 | } |
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| 77 | |
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| 78 | /* Like getopt_long, but '-' as well as '--' can indicate a long option. |
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| 79 | If an option that starts with '-' (not '--') doesn't match a long option, |
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| 80 | but does match a short option, it is parsed as a short option |
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| 81 | instead. */ |
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| 82 | |
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| 83 | int |
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| 84 | getopt_long_only (argc, argv, options, long_options, opt_index) |
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| 85 | int argc; |
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| 86 | char *const *argv; |
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| 87 | const char *options; |
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| 88 | const struct option *long_options; |
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| 89 | int *opt_index; |
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| 90 | { |
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| 91 | return _getopt_internal (argc, argv, options, long_options, opt_index, 1); |
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| 92 | } |
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| 93 | |
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| 94 | |
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| 95 | #endif /* Not ELIDE_CODE. */ |
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| 96 | |
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| 97 | #ifdef TEST |
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| 98 | |
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| 99 | #include <stdio.h> |
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| 100 | |
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| 101 | int |
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| 102 | main (argc, argv) |
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| 103 | int argc; |
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| 104 | char **argv; |
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| 105 | { |
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| 106 | int c; |
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| 107 | int digit_optind = 0; |
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| 108 | |
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| 109 | while (1) |
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| 110 | { |
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| 111 | int this_option_optind = optind ? optind : 1; |
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| 112 | int option_index = 0; |
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| 113 | static struct option long_options[] = |
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| 114 | { |
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| 115 | {"add", 1, 0, 0}, |
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| 116 | {"append", 0, 0, 0}, |
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| 117 | {"delete", 1, 0, 0}, |
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| 118 | {"verbose", 0, 0, 0}, |
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| 119 | {"create", 0, 0, 0}, |
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| 120 | {"file", 1, 0, 0}, |
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| 121 | {0, 0, 0, 0} |
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| 122 | }; |
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| 123 | |
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| 124 | c = getopt_long (argc, argv, "abc:d:0123456789", |
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| 125 | long_options, &option_index); |
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| 126 | if (c == -1) |
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| 127 | break; |
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| 128 | |
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| 129 | switch (c) |
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| 130 | { |
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| 131 | case 0: |
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| 132 | printf ("option %s", long_options[option_index].name); |
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| 133 | if (optarg) |
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| 134 | printf (" with arg %s", optarg); |
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| 135 | printf ("\n"); |
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| 136 | break; |
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| 137 | |
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| 138 | case '0': |
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| 139 | case '1': |
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| 140 | case '2': |
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| 141 | case '3': |
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| 142 | case '4': |
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| 143 | case '5': |
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| 144 | case '6': |
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| 145 | case '7': |
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| 146 | case '8': |
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| 147 | case '9': |
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| 148 | if (digit_optind != 0 && digit_optind != this_option_optind) |
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| 149 | printf ("digits occur in two different argv-elements.\n"); |
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| 150 | digit_optind = this_option_optind; |
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| 151 | printf ("option %c\n", c); |
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| 152 | break; |
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| 153 | |
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| 154 | case 'a': |
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| 155 | printf ("option a\n"); |
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| 156 | break; |
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| 157 | |
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| 158 | case 'b': |
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| 159 | printf ("option b\n"); |
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| 160 | break; |
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| 161 | |
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| 162 | case 'c': |
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| 163 | printf ("option c with value `%s'\n", optarg); |
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| 164 | break; |
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| 165 | |
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| 166 | case 'd': |
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| 167 | printf ("option d with value `%s'\n", optarg); |
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| 168 | break; |
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| 169 | |
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| 170 | case '?': |
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| 171 | break; |
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| 172 | |
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| 173 | default: |
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| 174 | printf ("?? getopt returned character code 0%o ??\n", c); |
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| 175 | } |
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| 176 | } |
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| 177 | |
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| 178 | if (optind < argc) |
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| 179 | { |
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| 180 | printf ("non-option ARGV-elements: "); |
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| 181 | while (optind < argc) |
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| 182 | printf ("%s ", argv[optind++]); |
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| 183 | printf ("\n"); |
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| 184 | } |
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| 185 | |
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| 186 | exit (0); |
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| 187 | } |
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| 188 | |
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| 189 | #endif /* TEST */ |
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