1 /* getopt_long and getopt_long_only entry points for GNU getopt.
2 Copyright (C) 1987, 88, 89, 90, 91, 92, 1993, 1994
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
20 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
21 Cambridge, MA 02139, 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 #if defined (_LIBC) || !defined (__GNU_LIBRARY__)
50 /* This needs to come after some library #include
51 to get __GNU_LIBRARY__ defined. */
52 #ifdef __GNU_LIBRARY__
63 getopt_long (argc, argv, options, long_options, opt_index)
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 (argc, argv, options, long_options, opt_index)
83 const struct option *long_options;
86 return _getopt_internal (argc, argv, options, long_options, opt_index, 1);
90 #endif /* _LIBC or not __GNU_LIBRARY__. */
102 int digit_optind = 0;
106 int this_option_optind = optind ? optind : 1;
107 int option_index = 0;
108 static struct option long_options[] =
113 {"verbose", 0, 0, 0},
119 c = getopt_long (argc, argv, "abc:d:0123456789",
120 long_options, &option_index);
127 printf ("option %s", long_options[option_index].name);
129 printf (" with arg %s", optarg);
143 if (digit_optind != 0 && digit_optind != this_option_optind)
144 printf ("digits occur in two different argv-elements.\n");
145 digit_optind = this_option_optind;
146 printf ("option %c\n", c);
150 printf ("option a\n");
154 printf ("option b\n");
158 printf ("option c with value `%s'\n", optarg);
162 printf ("option d with value `%s'\n", optarg);
169 printf ("?? getopt returned character code 0%o ??\n", c);
175 printf ("non-option ARGV-elements: ");
176 while (optind < argc)
177 printf ("%s ", argv[optind++]);