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jfr.im git - irc/evilnet/x3.git/blob - src/getopt1.c
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 Free Software Foundation, Inc.
4 This file is part of the GNU C Library. Its master source is NOT part of
5 the C library, however. The master source lives in /gd/gnu/lib.
7 The GNU C Library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Library General Public License as
9 published by the Free Software Foundation; either version 2 of the
10 License, or (at your option) any later version.
12 The GNU C Library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Library General Public License for more details.
17 You should have received a copy of the GNU Library General Public
18 License along with the GNU C Library; see the file COPYING.LIB. If not,
19 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
27 #if !defined (__STDC__) || !__STDC__
28 /* This is a separate conditional since some stdc systems
29 reject `defined (const)'. */
35 /* Comment out all this code if we are using the GNU C Library, and are not
36 actually compiling the library itself. This code is part of the GNU C
37 Library, but also included in many other GNU distributions. Compiling
38 and linking in this code is a waste when using the GNU C library
39 (especially if it is a shared library). Rather than having every GNU
40 program understand `configure --with-gnu-libc' and omit the object files,
41 it is simpler to just do this in the source for each such file. */
43 #define GETOPT_INTERFACE_VERSION 2
44 #if !defined (_LIBC) && defined (__GLIBC__) && __GLIBC__ >= 2
45 #include <gnu-versions.h>
46 #if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
54 /* This needs to come after some library #include
55 to get __GNU_LIBRARY__ defined. */
56 #ifdef __GNU_LIBRARY__
64 int getopt_long (argc
, argv
, options
, long_options
, opt_index
)
68 const struct option
*long_options
;
71 return _getopt_internal (argc
, argv
, options
, long_options
, opt_index
, 0);
74 /* Like getopt_long, but '-' as well as '--' can indicate a long option.
75 If an option that starts with '-' (not '--') doesn't match a long option,
76 but does match a short option, it is parsed as a short option
79 #ifndef HAVE_GETOPT_LONG
80 #define HAVE_GETOPT_LONG
82 getopt_long_only (argc
, argv
, options
, long_options
, opt_index
)
86 const struct option
*long_options
;
89 return _getopt_internal (argc
, argv
, options
, long_options
, opt_index
, 1);
92 #endif /* HAVE_GETOPT_LONG */
93 #endif /* Not ELIDE_CODE. */
105 int digit_optind
= 0;
109 int this_option_optind
= optind
? optind
: 1;
110 int option_index
= 0;
111 static struct option long_options
[] =
116 {"verbose", 0, 0, 0},
122 c
= getopt_long (argc
, argv
, "abc:d:0123456789",
123 long_options
, &option_index
);
130 printf ("option %s", long_options
[option_index
].name
);
132 printf (" with arg %s", optarg
);
146 if (digit_optind
!= 0 && digit_optind
!= this_option_optind
)
147 printf ("digits occur in two different argv-elements.\n");
148 digit_optind
= this_option_optind
;
149 printf ("option %c\n", c
);
153 printf ("option a\n");
157 printf ("option b\n");
161 printf ("option c with value `%s'\n", optarg
);
165 printf ("option d with value `%s'\n", optarg
);
172 printf ("?? getopt returned character code 0%o ??\n", c
);
178 printf ("non-option ARGV-elements: ");
179 while (optind
< argc
)
180 printf ("%s ", argv
[optind
++]);
188 #endif /* IGNORE_GETOPT */