1 /* getopt_long and getopt_long_only entry points for GNU getopt.
2 Copyright (C) 1987,88,89,90,91,92,93,94,96,97,98,2004
3 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
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.
16 You should have received a copy of the GNU General Public License along
17 with this program; if not, write to the Free Software Foundation,
18 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
29 #include "getopt_int.h"
33 /* This needs to come after some library #include
34 to get __GNU_LIBRARY__ defined. */
35 #ifdef __GNU_LIBRARY__
44 getopt_long (int argc, char *__getopt_argv_const *argv, const char *options,
45 const struct option *long_options, int *opt_index)
47 return _getopt_internal (argc, argv, options, long_options, opt_index, 0);
51 _getopt_long_r (int argc, char *__getopt_argv_const *argv, const char *options,
52 const struct option *long_options, int *opt_index,
53 struct _getopt_data *d)
55 return _getopt_internal_r (argc, argv, options, long_options, opt_index,
59 /* Like getopt_long, but '-' as well as '--' can indicate a long option.
60 If an option that starts with '-' (not '--') doesn't match a long option,
61 but does match a short option, it is parsed as a short option
65 getopt_long_only (int argc, char *__getopt_argv_const *argv,
67 const struct option *long_options, int *opt_index)
69 return _getopt_internal (argc, argv, options, long_options, opt_index, 1);
73 _getopt_long_only_r (int argc, char *__getopt_argv_const *argv,
75 const struct option *long_options, int *opt_index,
76 struct _getopt_data *d)
78 return _getopt_internal_r (argc, argv, options, long_options, opt_index,
88 main (int argc, char **argv)
95 int this_option_optind = optind ? optind : 1;
97 static struct option long_options[] =
102 {"verbose", 0, 0, 0},
108 c = getopt_long (argc, argv, "abc:d:0123456789",
109 long_options, &option_index);
116 printf ("option %s", long_options[option_index].name);
118 printf (" with arg %s", optarg);
132 if (digit_optind != 0 && digit_optind != this_option_optind)
133 printf ("digits occur in two different argv-elements.\n");
134 digit_optind = this_option_optind;
135 printf ("option %c\n", c);
139 printf ("option a\n");
143 printf ("option b\n");
147 printf ("option c with value `%s'\n", optarg);
151 printf ("option d with value `%s'\n", optarg);
158 printf ("?? getopt returned character code 0%o ??\n", c);
164 printf ("non-option ARGV-elements: ");
165 while (optind < argc)
166 printf ("%s ", argv[optind++]);