1 /* getopt_long and getopt_long_only entry points for GNU getopt.
2 Copyright (C) 1987, 88, 89, 90, 91, 92, 93, 94, 1996
3 Free Software Foundation, Inc.
5 This file is part of the GNU C Library. Its master source is NOT part of
6 the C library, however. The master source lives in /gd/gnu/lib.
8 The GNU C Library is free software; you can redistribute it and/or
9 modify it under the terms of the GNU Library General Public License as
10 published by the Free Software Foundation; either version 2 of the
11 License, or (at your option) any later version.
13 The GNU C Library 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 GNU
16 Library General Public License for more details.
18 You should have received a copy of the GNU Library General Public
19 License along with the GNU C Library; see the file COPYING.LIB. If not,
20 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
29 #if !defined (__STDC__) || !__STDC__
30 /* This is a separate conditional since some stdc systems
31 reject `defined (const)'. */
39 /* Comment out all this code if we are using the GNU C Library, and are not
40 actually compiling the library itself. This code is part of the GNU C
41 Library, but also included in many other GNU distributions. Compiling
42 and linking in this code is a waste when using the GNU C library
43 (especially if it is a shared library). Rather than having every GNU
44 program understand `configure --with-gnu-libc' and omit the object files,
45 it is simpler to just do this in the source for each such file. */
47 #define GETOPT_INTERFACE_VERSION 1
48 #if !defined (_LIBC) && defined (__GLIBC__) && __GLIBC__ >= 2
49 #include <gnu-versions.h>
50 #if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
58 /* This needs to come after some library #include
59 to get __GNU_LIBRARY__ defined. */
60 #ifdef __GNU_LIBRARY__
69 getopt_long (argc, argv, options, long_options, opt_index)
73 const struct option *long_options;
76 return _getopt_internal (argc, argv, options, long_options, opt_index, 0);
79 /* Like getopt_long, but '-' as well as '--' can indicate a long option.
80 If an option that starts with '-' (not '--') doesn't match a long option,
81 but does match a short option, it is parsed as a short option
85 getopt_long_only (argc, argv, options, long_options, opt_index)
89 const struct option *long_options;
92 return _getopt_internal (argc, argv, options, long_options, opt_index, 1);
96 #endif /* Not ELIDE_CODE. */
108 int digit_optind = 0;
112 int this_option_optind = optind ? optind : 1;
113 int option_index = 0;
114 static struct option long_options[] =
119 {"verbose", 0, 0, 0},
125 c = getopt_long (argc, argv, "abc:d:0123456789",
126 long_options, &option_index);
133 printf ("option %s", long_options[option_index].name);
135 printf (" with arg %s", optarg);
149 if (digit_optind != 0 && digit_optind != this_option_optind)
150 printf ("digits occur in two different argv-elements.\n");
151 digit_optind = this_option_optind;
152 printf ("option %c\n", c);
156 printf ("option a\n");
160 printf ("option b\n");
164 printf ("option c with value `%s'\n", optarg);
168 printf ("option d with value `%s'\n", optarg);
175 printf ("?? getopt returned character code 0%o ??\n", c);
181 printf ("non-option ARGV-elements: ");
182 while (optind < argc)
183 printf ("%s ", argv[optind++]);