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a23d5117 | 1 | /* getopt_long and getopt_long_only entry points for GNU getopt. |
ff28b140 TL |
2 | Copyright (C) 1987-2018 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library and is also part of gnulib. | |
4 | Patches to this file should be submitted to both projects. | |
a23d5117 GI |
5 | |
6 | The GNU C Library is free software; you can redistribute it and/or | |
7 | modify it under the terms of the GNU Lesser General Public | |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
10 | ||
11 | The GNU C Library 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 GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public | |
ff28b140 TL |
17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
a23d5117 | 19 | \f |
ff28b140 TL |
20 | #if !defined(_LIBC) && !defined(_GETOPT_STANDALONE) |
21 | # include <config.h> | |
a23d5117 GI |
22 | #endif |
23 | ||
ff28b140 TL |
24 | #include "getopt.h" |
25 | #include "getopt_int.h" | |
a23d5117 | 26 | |
ff28b140 TL |
27 | int |
28 | getopt_long (int argc, char *__getopt_argv_const *argv, const char *options, | |
29 | const struct option *long_options, int *opt_index) | |
30 | { | |
31 | return _getopt_internal (argc, (char **) argv, options, long_options, | |
32 | opt_index, 0, 0); | |
33 | } | |
a23d5117 GI |
34 | |
35 | int | |
ff28b140 TL |
36 | _getopt_long_r (int argc, char **argv, const char *options, |
37 | const struct option *long_options, int *opt_index, | |
38 | struct _getopt_data *d) | |
a23d5117 | 39 | { |
ff28b140 TL |
40 | return _getopt_internal_r (argc, argv, options, long_options, opt_index, |
41 | 0, d, 0); | |
a23d5117 GI |
42 | } |
43 | ||
44 | /* Like getopt_long, but '-' as well as '--' can indicate a long option. | |
45 | If an option that starts with '-' (not '--') doesn't match a long option, | |
46 | but does match a short option, it is parsed as a short option | |
47 | instead. */ | |
48 | ||
49 | int | |
ff28b140 TL |
50 | getopt_long_only (int argc, char *__getopt_argv_const *argv, |
51 | const char *options, | |
52 | const struct option *long_options, int *opt_index) | |
a23d5117 | 53 | { |
ff28b140 TL |
54 | return _getopt_internal (argc, (char **) argv, options, long_options, |
55 | opt_index, 1, 0); | |
a23d5117 GI |
56 | } |
57 | ||
ff28b140 TL |
58 | int |
59 | _getopt_long_only_r (int argc, char **argv, const char *options, | |
60 | const struct option *long_options, int *opt_index, | |
61 | struct _getopt_data *d) | |
62 | { | |
63 | return _getopt_internal_r (argc, argv, options, long_options, opt_index, | |
64 | 1, d, 0); | |
65 | } | |
a23d5117 | 66 | |
a23d5117 GI |
67 | \f |
68 | #ifdef TEST | |
69 | ||
70 | #include <stdio.h> | |
ff28b140 | 71 | #include <stdlib.h> |
a23d5117 GI |
72 | |
73 | int | |
ff28b140 | 74 | main (int argc, char **argv) |
a23d5117 GI |
75 | { |
76 | int c; | |
77 | int digit_optind = 0; | |
78 | ||
79 | while (1) | |
80 | { | |
81 | int this_option_optind = optind ? optind : 1; | |
82 | int option_index = 0; | |
ff28b140 | 83 | static const struct option long_options[] = |
a23d5117 GI |
84 | { |
85 | {"add", 1, 0, 0}, | |
86 | {"append", 0, 0, 0}, | |
87 | {"delete", 1, 0, 0}, | |
88 | {"verbose", 0, 0, 0}, | |
89 | {"create", 0, 0, 0}, | |
90 | {"file", 1, 0, 0}, | |
91 | {0, 0, 0, 0} | |
92 | }; | |
93 | ||
94 | c = getopt_long (argc, argv, "abc:d:0123456789", | |
95 | long_options, &option_index); | |
96 | if (c == -1) | |
97 | break; | |
98 | ||
99 | switch (c) | |
100 | { | |
101 | case 0: | |
102 | printf ("option %s", long_options[option_index].name); | |
103 | if (optarg) | |
104 | printf (" with arg %s", optarg); | |
105 | printf ("\n"); | |
106 | break; | |
107 | ||
108 | case '0': | |
109 | case '1': | |
110 | case '2': | |
111 | case '3': | |
112 | case '4': | |
113 | case '5': | |
114 | case '6': | |
115 | case '7': | |
116 | case '8': | |
117 | case '9': | |
118 | if (digit_optind != 0 && digit_optind != this_option_optind) | |
119 | printf ("digits occur in two different argv-elements.\n"); | |
120 | digit_optind = this_option_optind; | |
121 | printf ("option %c\n", c); | |
122 | break; | |
123 | ||
124 | case 'a': | |
125 | printf ("option a\n"); | |
126 | break; | |
127 | ||
128 | case 'b': | |
129 | printf ("option b\n"); | |
130 | break; | |
131 | ||
132 | case 'c': | |
ff28b140 | 133 | printf ("option c with value '%s'\n", optarg); |
a23d5117 GI |
134 | break; |
135 | ||
136 | case 'd': | |
ff28b140 | 137 | printf ("option d with value '%s'\n", optarg); |
a23d5117 GI |
138 | break; |
139 | ||
140 | case '?': | |
141 | break; | |
142 | ||
143 | default: | |
144 | printf ("?? getopt returned character code 0%o ??\n", c); | |
145 | } | |
146 | } | |
147 | ||
148 | if (optind < argc) | |
149 | { | |
150 | printf ("non-option ARGV-elements: "); | |
151 | while (optind < argc) | |
152 | printf ("%s ", argv[optind++]); | |
153 | printf ("\n"); | |
154 | } | |
155 | ||
156 | exit (0); | |
157 | } | |
158 | ||
159 | #endif /* TEST */ |