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Diffstat (limited to 'lib/getopt1.c')
-rw-r--r-- | lib/getopt1.c | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/lib/getopt1.c b/lib/getopt1.c new file mode 100644 index 00000000..ad06cc7f --- /dev/null +++ b/lib/getopt1.c | |||
@@ -0,0 +1,196 @@ | |||
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 | ||
3 | Free Software Foundation, Inc. | ||
4 | This file is part of the GNU C Library. | ||
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 | ||
17 | License along with the GNU C Library; if not, write to the Free | ||
18 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | ||
19 | 02111-1307 USA. */ | ||
20 | |||
21 | #ifdef HAVE_CONFIG_H | ||
22 | #include <config.h> | ||
23 | #endif | ||
24 | |||
25 | #ifdef _LIBC | ||
26 | # include <getopt.h> | ||
27 | #else | ||
28 | # include "getopt.h" | ||
29 | #endif | ||
30 | |||
31 | #if !defined __STDC__ || !__STDC__ | ||
32 | /* This is a separate conditional since some stdc systems | ||
33 | reject `defined (const)'. */ | ||
34 | #ifndef const | ||
35 | #define const | ||
36 | #endif | ||
37 | #endif | ||
38 | |||
39 | #include <stdio.h> | ||
40 | |||
41 | /* Comment out all this code if we are using the GNU C Library, and are not | ||
42 | actually compiling the library itself. This code is part of the GNU C | ||
43 | Library, but also included in many other GNU distributions. Compiling | ||
44 | and linking in this code is a waste when using the GNU C library | ||
45 | (especially if it is a shared library). Rather than having every GNU | ||
46 | program understand `configure --with-gnu-libc' and omit the object files, | ||
47 | it is simpler to just do this in the source for each such file. */ | ||
48 | |||
49 | #define GETOPT_INTERFACE_VERSION 2 | ||
50 | #if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2 | ||
51 | #include <gnu-versions.h> | ||
52 | #if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION | ||
53 | #define ELIDE_CODE | ||
54 | #endif | ||
55 | #endif | ||
56 | |||
57 | #ifndef ELIDE_CODE | ||
58 | |||
59 | |||
60 | /* This needs to come after some library #include | ||
61 | to get __GNU_LIBRARY__ defined. */ | ||
62 | #ifdef __GNU_LIBRARY__ | ||
63 | #include <stdlib.h> | ||
64 | #endif | ||
65 | |||
66 | #ifndef NULL | ||
67 | #define NULL 0 | ||
68 | #endif | ||
69 | |||
70 | int | ||
71 | getopt_long (argc, argv, options, long_options, opt_index) | ||
72 | int argc; | ||
73 | char *const *argv; | ||
74 | const char *options; | ||
75 | const struct option *long_options; | ||
76 | int *opt_index; | ||
77 | { | ||
78 | return _getopt_internal (argc, argv, options, long_options, opt_index, 0); | ||
79 | } | ||
80 | |||
81 | /* Like getopt_long, but '-' as well as '--' can indicate a long option. | ||
82 | If an option that starts with '-' (not '--') doesn't match a long option, | ||
83 | but does match a short option, it is parsed as a short option | ||
84 | instead. */ | ||
85 | |||
86 | int | ||
87 | getopt_long_only (argc, argv, options, long_options, opt_index) | ||
88 | int argc; | ||
89 | char *const *argv; | ||
90 | const char *options; | ||
91 | const struct option *long_options; | ||
92 | int *opt_index; | ||
93 | { | ||
94 | return _getopt_internal (argc, argv, options, long_options, opt_index, 1); | ||
95 | } | ||
96 | |||
97 | # ifdef _LIBC | ||
98 | libc_hidden_def (getopt_long) | ||
99 | libc_hidden_def (getopt_long_only) | ||
100 | # endif | ||
101 | |||
102 | #endif /* Not ELIDE_CODE. */ | ||
103 | |||
104 | #ifdef TEST | ||
105 | |||
106 | #include <stdio.h> | ||
107 | |||
108 | int | ||
109 | main (argc, argv) | ||
110 | int argc; | ||
111 | char **argv; | ||
112 | { | ||
113 | int c; | ||
114 | int digit_optind = 0; | ||
115 | |||
116 | while (1) | ||
117 | { | ||
118 | int this_option_optind = optind ? optind : 1; | ||
119 | int option_index = 0; | ||
120 | static struct option long_options[] = | ||
121 | { | ||
122 | {"add", 1, 0, 0}, | ||
123 | {"append", 0, 0, 0}, | ||
124 | {"delete", 1, 0, 0}, | ||
125 | {"verbose", 0, 0, 0}, | ||
126 | {"create", 0, 0, 0}, | ||
127 | {"file", 1, 0, 0}, | ||
128 | {0, 0, 0, 0} | ||
129 | }; | ||
130 | |||
131 | c = getopt_long (argc, argv, "abc:d:0123456789", | ||
132 | long_options, &option_index); | ||
133 | if (c == -1) | ||
134 | break; | ||
135 | |||
136 | switch (c) | ||
137 | { | ||
138 | case 0: | ||
139 | printf ("option %s", long_options[option_index].name); | ||
140 | if (optarg) | ||
141 | printf (" with arg %s", optarg); | ||
142 | printf ("\n"); | ||
143 | break; | ||
144 | |||
145 | case '0': | ||
146 | case '1': | ||
147 | case '2': | ||
148 | case '3': | ||
149 | case '4': | ||
150 | case '5': | ||
151 | case '6': | ||
152 | case '7': | ||
153 | case '8': | ||
154 | case '9': | ||
155 | if (digit_optind != 0 && digit_optind != this_option_optind) | ||
156 | printf ("digits occur in two different argv-elements.\n"); | ||
157 | digit_optind = this_option_optind; | ||
158 | printf ("option %c\n", c); | ||
159 | break; | ||
160 | |||
161 | case 'a': | ||
162 | printf ("option a\n"); | ||
163 | break; | ||
164 | |||
165 | case 'b': | ||
166 | printf ("option b\n"); | ||
167 | break; | ||
168 | |||
169 | case 'c': | ||
170 | printf ("option c with value `%s'\n", optarg); | ||
171 | break; | ||
172 | |||
173 | case 'd': | ||
174 | printf ("option d with value `%s'\n", optarg); | ||
175 | break; | ||
176 | |||
177 | case '?': | ||
178 | break; | ||
179 | |||
180 | default: | ||
181 | printf ("?? getopt returned character code 0%o ??\n", c); | ||
182 | } | ||
183 | } | ||
184 | |||
185 | if (optind < argc) | ||
186 | { | ||
187 | printf ("non-option ARGV-elements: "); | ||
188 | while (optind < argc) | ||
189 | printf ("%s ", argv[optind++]); | ||
190 | printf ("\n"); | ||
191 | } | ||
192 | |||
193 | exit (0); | ||
194 | } | ||
195 | |||
196 | #endif /* TEST */ | ||