1 /* getopt_long and getopt_long_only entry points for GNU getopt.
3 Copyright (C) 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1996,
4 1997, 1998, 2003 Free Software Foundation, Inc.
6 This file is part of the GNU C Library.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2, or (at your option)
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License along
19 with this program; if not, write to the Free Software Foundation,
20 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
34 /* Comment out all this code if we are using the GNU C Library, and are not
35 actually compiling the library itself. This code is part of the GNU C
36 Library, but also included in many other GNU distributions. Compiling
37 and linking in this code is a waste when using the GNU C library
38 (especially if it is a shared library). Rather than having every GNU
39 program understand `configure --with-gnu-libc' and omit the object files,
40 it is simpler to just do this in the source for each such file. */
42 #define GETOPT_INTERFACE_VERSION 2
43 #if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2
44 #include <gnu-versions.h>
45 #if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
53 /* This needs to come after some library #include
54 to get __GNU_LIBRARY__ defined. */
55 #ifdef __GNU_LIBRARY__
64 getopt_long (int argc,
67 const struct option *long_options,
70 return _getopt_internal (argc, argv, options, long_options, opt_index, 0);
73 /* Like getopt_long, but '-' as well as '--' can indicate a long option.
74 If an option that starts with '-' (not '--') doesn't match a long option,
75 but does match a short option, it is parsed as a short option
79 getopt_long_only (int argc,
82 const struct option *long_options,
85 return _getopt_internal (argc, argv, options, long_options, opt_index, 1);
89 libc_hidden_def (getopt_long)
90 libc_hidden_def (getopt_long_only)
93 #endif /* Not ELIDE_CODE. */
100 main (int argc, char **argv)
103 int digit_optind = 0;
107 int this_option_optind = optind ? optind : 1;
108 int option_index = 0;
109 static struct option long_options[] =
114 {"verbose", 0, 0, 0},
120 c = getopt_long (argc, argv, "abc:d:0123456789",
121 long_options, &option_index);
128 printf ("option %s", long_options[option_index].name);
130 printf (" with arg %s", optarg);
144 if (digit_optind != 0 && digit_optind != this_option_optind)
145 printf ("digits occur in two different argv-elements.\n");
146 digit_optind = this_option_optind;
147 printf ("option %c\n", c);
151 printf ("option a\n");
155 printf ("option b\n");
159 printf ("option c with value `%s'\n", optarg);
163 printf ("option d with value `%s'\n", optarg);
170 printf ("?? getopt returned character code 0%o ??\n", c);
176 printf ("non-option ARGV-elements: ");
177 while (optind < argc)
178 printf ("%s ", argv[optind++]);