diff options
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 */ | ||
