1 /* getopt_long and getopt_long_only entry points for GNU getopt.
2 Copyright (C) 1987, 88, 89, 90, 91, 92, 1993
3 Free Software Foundation, Inc.
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License
7 as published by the Free Software Foundation; either version 2, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
20 #if defined (emacs) || defined (CONFIG_BROKETS)
21 /* We use <config.h> instead of "config.h" so that a compilation
22 using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h
23 (which it would do because it found this file in $srcdir). */
33 /* This is a separate conditional since some stdc systems
34 reject `defined (const)'. */
42 /* Comment out all this code if we are using the GNU C Library, and are not
43 actually compiling the library itself. This code is part of the GNU C
44 Library, but also included in many other GNU distributions. Compiling
45 and linking in this code is a waste when using the GNU C library
46 (especially if it is a shared library). Rather than having every GNU
47 program understand `configure --with-gnu-libc' and omit the object files,
48 it is simpler to just do this in the source for each such file. */
49 /* Many versions of the Linux C library include older, broken versions
50 of these routines, which will break the linker's command-line
53 #if defined (_LIBC) || !defined (__GNU_LIBRARY__) || defined (__linux__)
56 /* This needs to come after some library #include
57 to get __GNU_LIBRARY__ defined. */
58 #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 /* _LIBC or not __GNU_LIBRARY__. */
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++]);