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 Free Software Foundation, Inc.
4 NOTE: The canonical source of this file is maintained with the GNU C Library.
5 Bugs can be reported to bug-glibc@prep.ai.mit.edu.
7 This program is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published by the
9 Free Software Foundation; either version 2, or (at your option) any
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License along
18 with this program; if not, write to the Free Software Foundation, Inc.,
19 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
23 #include "../config.h"
28 #if !defined (__STDC__) || !__STDC__
29 /* This is a separate conditional since some stdc systems
30 reject `defined (const)'. */
38 /* Comment out all this code if we are using the GNU C Library, and are not
39 actually compiling the library itself. This code is part of the GNU C
40 Library, but also included in many other GNU distributions. Compiling
41 and linking in this code is a waste when using the GNU C library
42 (especially if it is a shared library). Rather than having every GNU
43 program understand `configure --with-gnu-libc' and omit the object files,
44 it is simpler to just do this in the source for each such file. */
46 #define GETOPT_INTERFACE_VERSION 2
47 #if !defined (_LIBC) && defined (__GLIBC__) && __GLIBC__ >= 2
48 #include <gnu-versions.h>
49 #if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
57 /* This needs to come after some library #include
58 to get __GNU_LIBRARY__ defined. */
59 #ifdef __GNU_LIBRARY__
68 getopt_long (argc, argv, options, long_options, opt_index)
72 const struct option *long_options;
75 return _getopt_internal (argc, argv, options, long_options, opt_index, 0);
78 /* Like getopt_long, but '-' as well as '--' can indicate a long option.
79 If an option that starts with '-' (not '--') doesn't match a long option,
80 but does match a short option, it is parsed as a short option
84 getopt_long_only (argc, argv, options, long_options, opt_index)
88 const struct option *long_options;
91 return _getopt_internal (argc, argv, options, long_options, opt_index, 1);
95 #endif /* Not ELIDE_CODE. */
107 int digit_optind = 0;
111 int this_option_optind = optind ? optind : 1;
112 int option_index = 0;
113 static struct option long_options[] =
118 {"verbose", 0, 0, 0},
124 c = getopt_long (argc, argv, "abc:d:0123456789",
125 long_options, &option_index);
132 printf ("option %s", long_options[option_index].name);
134 printf (" with arg %s", optarg);
148 if (digit_optind != 0 && digit_optind != this_option_optind)
149 printf ("digits occur in two different argv-elements.\n");
150 digit_optind = this_option_optind;
151 printf ("option %c\n", c);
155 printf ("option a\n");
159 printf ("option b\n");
163 printf ("option c with value `%s'\n", optarg);
167 printf ("option d with value `%s'\n", optarg);
174 printf ("?? getopt returned character code 0%o ??\n", c);
180 printf ("non-option ARGV-elements: ");
181 while (optind < argc)
182 printf ("%s ", argv[optind++]);