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-rw-r--r--lib/getopt1.c174
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diff --git a/lib/getopt1.c b/lib/getopt1.c
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1/* getopt_long and getopt_long_only entry points for GNU getopt.
2 Copyright (C) 1987,88,89,90,91,92,93,94,96,97,98,2004
3 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
9 any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License along
17 with this program; if not, write to the Free Software Foundation,
18 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
19
20#ifdef HAVE_CONFIG_H
21# include <config.h>
22#endif
23
24#ifdef _LIBC
25# include <getopt.h>
26#else
27# include "getopt.h"
28#endif
29#include "getopt_int.h"
30
31#include <stdio.h>
32
33/* This needs to come after some library #include
34 to get __GNU_LIBRARY__ defined. */
35#ifdef __GNU_LIBRARY__
36#include <stdlib.h>
37#endif
38
39#ifndef NULL
40#define NULL 0
41#endif
42
43int
44getopt_long (int argc, char *__getopt_argv_const *argv, const char *options,
45 const struct option *long_options, int *opt_index)
46{
47 return _getopt_internal (argc, (char **) argv, options, long_options,
48 opt_index, 0, 0);
49}
50
51int
52_getopt_long_r (int argc, char **argv, const char *options,
53 const struct option *long_options, int *opt_index,
54 struct _getopt_data *d)
55{
56 return _getopt_internal_r (argc, argv, options, long_options, opt_index,
57 0, 0, d);
58}
59
60/* Like getopt_long, but '-' as well as '--' can indicate a long option.
61 If an option that starts with '-' (not '--') doesn't match a long option,
62 but does match a short option, it is parsed as a short option
63 instead. */
64
65int
66getopt_long_only (int argc, char *__getopt_argv_const *argv,
67 const char *options,
68 const struct option *long_options, int *opt_index)
69{
70 return _getopt_internal (argc, (char **) argv, options, long_options,
71 opt_index, 1, 0);
72}
73
74int
75_getopt_long_only_r (int argc, char **argv, const char *options,
76 const struct option *long_options, int *opt_index,
77 struct _getopt_data *d)
78{
79 return _getopt_internal_r (argc, argv, options, long_options, opt_index,
80 1, 0, d);
81}
82
83
84#ifdef TEST
85
86#include <stdio.h>
87
88int
89main (int argc, char **argv)
90{
91 int c;
92 int digit_optind = 0;
93
94 while (1)
95 {
96 int this_option_optind = optind ? optind : 1;
97 int option_index = 0;
98 static struct option long_options[] =
99 {
100 {"add", 1, 0, 0},
101 {"append", 0, 0, 0},
102 {"delete", 1, 0, 0},
103 {"verbose", 0, 0, 0},
104 {"create", 0, 0, 0},
105 {"file", 1, 0, 0},
106 {0, 0, 0, 0}
107 };
108
109 c = getopt_long (argc, argv, "abc:d:0123456789",
110 long_options, &option_index);
111 if (c == -1)
112 break;
113
114 switch (c)
115 {
116 case 0:
117 printf ("option %s", long_options[option_index].name);
118 if (optarg)
119 printf (" with arg %s", optarg);
120 printf ("\n");
121 break;
122
123 case '0':
124 case '1':
125 case '2':
126 case '3':
127 case '4':
128 case '5':
129 case '6':
130 case '7':
131 case '8':
132 case '9':
133 if (digit_optind != 0 && digit_optind != this_option_optind)
134 printf ("digits occur in two different argv-elements.\n");
135 digit_optind = this_option_optind;
136 printf ("option %c\n", c);
137 break;
138
139 case 'a':
140 printf ("option a\n");
141 break;
142
143 case 'b':
144 printf ("option b\n");
145 break;
146
147 case 'c':
148 printf ("option c with value `%s'\n", optarg);
149 break;
150
151 case 'd':
152 printf ("option d with value `%s'\n", optarg);
153 break;
154
155 case '?':
156 break;
157
158 default:
159 printf ("?? getopt returned character code 0%o ??\n", c);
160 }
161 }
162
163 if (optind < argc)
164 {
165 printf ("non-option ARGV-elements: ");
166 while (optind < argc)
167 printf ("%s ", argv[optind++]);
168 printf ("\n");
169 }
170
171 exit (0);
172}
173
174#endif /* TEST */