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29967194 C |
1 | /* Getopt for GNU. |
2 | Copyright (C) 1987, 88, 89, 90, 91, 1992 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of the libiberty library. | |
5 | Libiberty is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Library General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2 of the License, or (at your option) any later version. | |
9 | ||
10 | Libiberty is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Library General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Library General Public | |
16 | License along with libiberty; see the file COPYING.LIB. If | |
17 | not, write to the Free Software Foundation, Inc., 675 Mass Ave, | |
18 | Cambridge, MA 02139, USA. */ | |
19 | \f | |
20 | #ifdef LIBC | |
21 | /* For when compiled as part of the GNU C library. */ | |
22 | #include <ansidecl.h> | |
23 | #endif | |
24 | ||
25 | #include "getopt.h" | |
26 | ||
27 | #ifndef __STDC__ | |
28 | #define const | |
29 | #endif | |
30 | ||
31 | #if defined(STDC_HEADERS) || defined(__GNU_LIBRARY__) || defined (LIBC) | |
32 | #include <stdlib.h> | |
33 | #else /* STDC_HEADERS or __GNU_LIBRARY__ */ | |
34 | char *getenv (); | |
35 | #endif /* STDC_HEADERS or __GNU_LIBRARY__ */ | |
36 | ||
37 | #if !defined (NULL) | |
38 | #define NULL 0 | |
39 | #endif | |
40 | ||
41 | int | |
42 | getopt_long (argc, argv, options, long_options, opt_index) | |
43 | int argc; | |
44 | char *const *argv; | |
45 | const char *options; | |
46 | const struct option *long_options; | |
47 | int *opt_index; | |
48 | { | |
49 | return _getopt_internal (argc, argv, options, long_options, opt_index, 0); | |
50 | } | |
51 | ||
52 | /* Like getopt_long, but '-' as well as '--' can indicate a long option. | |
53 | If an option that starts with '-' (not '--') doesn't match a long option, | |
54 | but does match a short option, it is parsed as a short option | |
55 | instead. */ | |
56 | ||
57 | int | |
58 | getopt_long_only (argc, argv, options, long_options, opt_index) | |
59 | int argc; | |
60 | char *const *argv; | |
61 | const char *options; | |
62 | const struct option *long_options; | |
63 | int *opt_index; | |
64 | { | |
65 | return _getopt_internal (argc, argv, options, long_options, opt_index, 1); | |
66 | } | |
67 | \f | |
68 | #ifdef TEST | |
69 | ||
70 | #include <stdio.h> | |
71 | ||
72 | int | |
73 | main (argc, argv) | |
74 | int argc; | |
75 | char **argv; | |
76 | { | |
77 | int c; | |
78 | int digit_optind = 0; | |
79 | ||
80 | while (1) | |
81 | { | |
82 | int this_option_optind = optind ? optind : 1; | |
83 | int option_index = 0; | |
84 | static struct option long_options[] = | |
85 | { | |
86 | {"add", 1, 0, 0}, | |
87 | {"append", 0, 0, 0}, | |
88 | {"delete", 1, 0, 0}, | |
89 | {"verbose", 0, 0, 0}, | |
90 | {"create", 0, 0, 0}, | |
91 | {"file", 1, 0, 0}, | |
92 | {0, 0, 0, 0} | |
93 | }; | |
94 | ||
95 | c = getopt_long (argc, argv, "abc:d:0123456789", | |
96 | long_options, &option_index); | |
97 | if (c == EOF) | |
98 | break; | |
99 | ||
100 | switch (c) | |
101 | { | |
102 | case 0: | |
103 | printf ("option %s", long_options[option_index].name); | |
104 | if (optarg) | |
105 | printf (" with arg %s", optarg); | |
106 | printf ("\n"); | |
107 | break; | |
108 | ||
109 | case '0': | |
110 | case '1': | |
111 | case '2': | |
112 | case '3': | |
113 | case '4': | |
114 | case '5': | |
115 | case '6': | |
116 | case '7': | |
117 | case '8': | |
118 | case '9': | |
119 | if (digit_optind != 0 && digit_optind != this_option_optind) | |
120 | printf ("digits occur in two different argv-elements.\n"); | |
121 | digit_optind = this_option_optind; | |
122 | printf ("option %c\n", c); | |
123 | break; | |
124 | ||
125 | case 'a': | |
126 | printf ("option a\n"); | |
127 | break; | |
128 | ||
129 | case 'b': | |
130 | printf ("option b\n"); | |
131 | break; | |
132 | ||
133 | case 'c': | |
134 | printf ("option c with value `%s'\n", optarg); | |
135 | break; | |
136 | ||
137 | case 'd': | |
138 | printf ("option d with value `%s'\n", optarg); | |
139 | break; | |
140 | ||
141 | case '?': | |
142 | break; | |
143 | ||
144 | default: | |
145 | printf ("?? getopt returned character code 0%o ??\n", c); | |
146 | } | |
147 | } | |
148 | ||
149 | if (optind < argc) | |
150 | { | |
151 | printf ("non-option ARGV-elements: "); | |
152 | while (optind < argc) | |
153 | printf ("%s ", argv[optind++]); | |
154 | printf ("\n"); | |
155 | } | |
156 | ||
157 | exit (0); | |
158 | } | |
159 | ||
160 | #endif /* TEST */ |