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e275c824 | 1 | /* getopt_long and getopt_long_only entry points for GNU getopt. |
ba318903 | 2 | Copyright (C) 1987-1994, 1996-1998, 2004, 2006, 2009-2014 Free Software |
e275c824 PE |
3 | 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 3 of the License, or | |
9 | (at your option) 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 | |
17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
18 | \f | |
19 | #ifdef _LIBC | |
20 | # include <getopt.h> | |
21 | #else | |
22 | # include <config.h> | |
23 | # include "getopt.h" | |
24 | #endif | |
25 | #include "getopt_int.h" | |
26 | ||
27 | #include <stdio.h> | |
28 | ||
29 | /* This needs to come after some library #include | |
30 | to get __GNU_LIBRARY__ defined. */ | |
31 | #ifdef __GNU_LIBRARY__ | |
32 | #include <stdlib.h> | |
33 | #endif | |
34 | ||
35 | #ifndef NULL | |
36 | #define NULL 0 | |
37 | #endif | |
38 | ||
39 | int | |
40 | getopt_long (int argc, char *__getopt_argv_const *argv, const char *options, | |
41 | const struct option *long_options, int *opt_index) | |
42 | { | |
43 | return _getopt_internal (argc, (char **) argv, options, long_options, | |
44 | opt_index, 0, 0); | |
45 | } | |
46 | ||
47 | int | |
48 | _getopt_long_r (int argc, char **argv, const char *options, | |
49 | const struct option *long_options, int *opt_index, | |
50 | struct _getopt_data *d) | |
51 | { | |
52 | return _getopt_internal_r (argc, argv, options, long_options, opt_index, | |
53 | 0, d, 0); | |
54 | } | |
55 | ||
56 | /* Like getopt_long, but '-' as well as '--' can indicate a long option. | |
57 | If an option that starts with '-' (not '--') doesn't match a long option, | |
58 | but does match a short option, it is parsed as a short option | |
59 | instead. */ | |
60 | ||
61 | int | |
62 | getopt_long_only (int argc, char *__getopt_argv_const *argv, | |
63 | const char *options, | |
64 | const struct option *long_options, int *opt_index) | |
65 | { | |
66 | return _getopt_internal (argc, (char **) argv, options, long_options, | |
67 | opt_index, 1, 0); | |
68 | } | |
69 | ||
70 | int | |
71 | _getopt_long_only_r (int argc, char **argv, const char *options, | |
72 | const struct option *long_options, int *opt_index, | |
73 | struct _getopt_data *d) | |
74 | { | |
75 | return _getopt_internal_r (argc, argv, options, long_options, opt_index, | |
76 | 1, d, 0); | |
77 | } | |
78 | ||
79 | \f | |
80 | #ifdef TEST | |
81 | ||
82 | #include <stdio.h> | |
83 | ||
84 | int | |
85 | main (int argc, char **argv) | |
86 | { | |
87 | int c; | |
88 | int digit_optind = 0; | |
89 | ||
90 | while (1) | |
91 | { | |
92 | int this_option_optind = optind ? optind : 1; | |
93 | int option_index = 0; | |
94 | static const struct option long_options[] = | |
95 | { | |
96 | {"add", 1, 0, 0}, | |
97 | {"append", 0, 0, 0}, | |
98 | {"delete", 1, 0, 0}, | |
99 | {"verbose", 0, 0, 0}, | |
100 | {"create", 0, 0, 0}, | |
101 | {"file", 1, 0, 0}, | |
102 | {0, 0, 0, 0} | |
103 | }; | |
104 | ||
105 | c = getopt_long (argc, argv, "abc:d:0123456789", | |
106 | long_options, &option_index); | |
107 | if (c == -1) | |
108 | break; | |
109 | ||
110 | switch (c) | |
111 | { | |
112 | case 0: | |
113 | printf ("option %s", long_options[option_index].name); | |
114 | if (optarg) | |
115 | printf (" with arg %s", optarg); | |
116 | printf ("\n"); | |
117 | break; | |
118 | ||
119 | case '0': | |
120 | case '1': | |
121 | case '2': | |
122 | case '3': | |
123 | case '4': | |
124 | case '5': | |
125 | case '6': | |
126 | case '7': | |
127 | case '8': | |
128 | case '9': | |
129 | if (digit_optind != 0 && digit_optind != this_option_optind) | |
130 | printf ("digits occur in two different argv-elements.\n"); | |
131 | digit_optind = this_option_optind; | |
132 | printf ("option %c\n", c); | |
133 | break; | |
134 | ||
135 | case 'a': | |
136 | printf ("option a\n"); | |
137 | break; | |
138 | ||
139 | case 'b': | |
140 | printf ("option b\n"); | |
141 | break; | |
142 | ||
143 | case 'c': | |
caf8a9b2 | 144 | printf ("option c with value '%s'\n", optarg); |
e275c824 PE |
145 | break; |
146 | ||
147 | case 'd': | |
caf8a9b2 | 148 | printf ("option d with value '%s'\n", optarg); |
e275c824 PE |
149 | break; |
150 | ||
151 | case '?': | |
152 | break; | |
153 | ||
154 | default: | |
155 | printf ("?? getopt returned character code 0%o ??\n", c); | |
156 | } | |
157 | } | |
158 | ||
159 | if (optind < argc) | |
160 | { | |
161 | printf ("non-option ARGV-elements: "); | |
162 | while (optind < argc) | |
163 | printf ("%s ", argv[optind++]); | |
164 | printf ("\n"); | |
165 | } | |
166 | ||
167 | exit (0); | |
168 | } | |
169 | ||
170 | #endif /* TEST */ |