1 /* $DragonFly: src/gnu/usr.bin/grep/getopt1.c,v 1.2 2008/06/05 18:01:49 swildner Exp $ */
3 /* getopt_long and getopt_long_only entry points for GNU getopt.
4 Copyright (C) 1987,88,89,90,91,92,93,94,96,97,98
5 Free Software Foundation, Inc.
6 NOTE: The canonical source of this file is maintained with the GNU C Library.
7 Bugs can be reported to bug-glibc@gnu.org.
9 This program is free software; you can redistribute it and/or modify it
10 under the terms of the GNU General Public License as published by the
11 Free Software Foundation; either version 2, or (at your option) any
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software Foundation,
21 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
26 #if !defined __STDC__ || !__STDC__
27 /* This is a separate conditional since some stdc systems
28 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__
65 getopt_long (argc
, argv
, options
, long_options
, opt_index
)
69 const struct option
*long_options
;
72 return _getopt_internal (argc
, argv
, options
, long_options
, opt_index
, 0);
75 /* Like getopt_long, but '-' as well as '--' can indicate a long option.
76 If an option that starts with '-' (not '--') doesn't match a long option,
77 but does match a short option, it is parsed as a short option
81 getopt_long_only (argc
, argv
, options
, long_options
, opt_index
)
85 const struct option
*long_options
;
88 return _getopt_internal (argc
, argv
, options
, long_options
, opt_index
, 1);
92 #endif /* Not ELIDE_CODE. */
104 int digit_optind
= 0;
108 int this_option_optind
= optind
? optind
: 1;
109 int option_index
= 0;
110 static struct option long_options
[] =
115 {"verbose", 0, 0, 0},
121 c
= getopt_long (argc
, argv
, "abc:d:0123456789",
122 long_options
, &option_index
);
129 printf ("option %s", long_options
[option_index
].name
);
131 printf (" with arg %s", optarg
);
145 if (digit_optind
!= 0 && digit_optind
!= this_option_optind
)
146 printf ("digits occur in two different argv-elements.\n");
147 digit_optind
= this_option_optind
;
148 printf ("option %c\n", c
);
152 printf ("option a\n");
156 printf ("option b\n");
160 printf ("option c with value `%s'\n", optarg
);
164 printf ("option d with value `%s'\n", optarg
);
171 printf ("?? getopt returned character code 0%o ??\n", c
);
177 printf ("non-option ARGV-elements: ");
178 while (optind
< argc
)
179 printf ("%s ", argv
[optind
++]);