1 /* getopt_long and getopt_long_only entry points for GNU getopt.
2 Copyright (C) 1987,88,89,90,91,92,93,94,96,97,98
3 Free Software Foundation, Inc.
5 NOTE: This source is derived from an old version taken from the GNU C
8 This program is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published by the
10 Free Software Foundation; either version 2, or (at your option) any
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
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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 2
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
++]);