aboutsummaryrefslogtreecommitdiff
path: root/src/main/getopt1.c
diff options
context:
space:
mode:
authorChristian Grothoff <christian@grothoff.org>2005-01-21 16:42:45 +0000
committerChristian Grothoff <christian@grothoff.org>2005-01-21 16:42:45 +0000
commit7166eaa7ff40782f89aca81bf30e2e4ceac7fb76 (patch)
tree146f465aaa565a327fb3a3dd85c3b5eb7900d497 /src/main/getopt1.c
downloadlibextractor-7166eaa7ff40782f89aca81bf30e2e4ceac7fb76.tar.gz
libextractor-7166eaa7ff40782f89aca81bf30e2e4ceac7fb76.zip
Importing libextractor.
Diffstat (limited to 'src/main/getopt1.c')
-rw-r--r--src/main/getopt1.c184
1 files changed, 184 insertions, 0 deletions
diff --git a/src/main/getopt1.c b/src/main/getopt1.c
new file mode 100644
index 0000000..4bf45e9
--- /dev/null
+++ b/src/main/getopt1.c
@@ -0,0 +1,184 @@
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.
3
4NOTE: The canonical source of this file is maintained with the GNU C Library.
5Bugs can be reported to bug-glibc@prep.ai.mit.edu.
6
7This program is free software; you can redistribute it and/or modify it
8under the terms of the GNU General Public License as published by the
9Free Software Foundation; either version 2, or (at your option) any
10later version.
11
12This program is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with this program; if not, write to the Free Software
19Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
20USA. */
21#include "config.h"
22#include "getopt.h"
23
24#if !defined (__STDC__) || !__STDC__
25/* This is a separate conditional since some stdc systems
26 reject `defined (const)'. */
27#ifndef const
28#define const
29#endif
30#endif
31
32#include <stdio.h>
33
34/* Comment out all this code if we are using the GNU C Library, and are not
35 actually compiling the library itself. This code is part of the GNU C
36 Library, but also included in many other GNU distributions. Compiling
37 and linking in this code is a waste when using the GNU C library
38 (especially if it is a shared library). Rather than having every GNU
39 program understand `configure --with-gnu-libc' and omit the object files,
40 it is simpler to just do this in the source for each such file. */
41
42#define GETOPT_INTERFACE_VERSION 2
43#if !defined (_LIBC) && defined (__GLIBC__) && __GLIBC__ >= 2
44#include <gnu-versions.h>
45#if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
46#define ELIDE_CODE
47#endif
48#endif
49
50#ifndef ELIDE_CODE
51
52
53/* This needs to come after some library #include
54 to get __GNU_LIBRARY__ defined. */
55#ifdef __GNU_LIBRARY__
56#include <stdlib.h>
57#endif
58
59#ifndef NULL
60#define NULL 0
61#endif
62
63int
64getopt_long (argc, argv, options, long_options, opt_index)
65 int argc;
66 char *const *argv;
67 const char *options;
68 const struct option *long_options;
69 int *opt_index;
70{
71 return _getopt_internal (argc, argv, options, long_options, opt_index, 0);
72}
73
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
77 instead. */
78
79int
80getopt_long_only (argc, argv, options, long_options, opt_index)
81 int argc;
82 char *const *argv;
83 const char *options;
84 const struct option *long_options;
85 int *opt_index;
86{
87 return _getopt_internal (argc, argv, options, long_options, opt_index, 1);
88}
89
90
91#endif /* Not ELIDE_CODE. */
92
93#ifdef TEST
94
95#include <stdio.h>
96
97int
98main (argc, argv)
99 int argc;
100 char **argv;
101{
102 int c;
103 int digit_optind = 0;
104
105 while (1)
106 {
107 int this_option_optind = optind ? optind : 1;
108 int option_index = 0;
109 static struct option long_options[] = {
110 {"add", 1, 0, 0},
111 {"append", 0, 0, 0},
112 {"delete", 1, 0, 0},
113 {"verbose", 0, 0, 0},
114 {"create", 0, 0, 0},
115 {"file", 1, 0, 0},
116 {0, 0, 0, 0}
117 };
118
119 c = getopt_long (argc, argv, "abc:d:0123456789",
120 long_options, &option_index);
121 if (c == -1)
122 break;
123
124 switch (c)
125 {
126 case 0:
127 printf ("option %s", long_options[option_index].name);
128 if (optarg)
129 printf (" with arg %s", optarg);
130 printf ("\n");
131 break;
132
133 case '0':
134 case '1':
135 case '2':
136 case '3':
137 case '4':
138 case '5':
139 case '6':
140 case '7':
141 case '8':
142 case '9':
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);
147 break;
148
149 case 'a':
150 printf ("option a\n");
151 break;
152
153 case 'b':
154 printf ("option b\n");
155 break;
156
157 case 'c':
158 printf ("option c with value `%s'\n", optarg);
159 break;
160
161 case 'd':
162 printf ("option d with value `%s'\n", optarg);
163 break;
164
165 case '?':
166 break;
167
168 default:
169 printf ("?? getopt returned character code 0%o ??\n", c);
170 }
171 }
172
173 if (optind < argc)
174 {
175 printf ("non-option ARGV-elements: ");
176 while (optind < argc)
177 printf ("%s ", argv[optind++]);
178 printf ("\n");
179 }
180
181 exit (0);
182}
183
184#endif /* TEST */