Mercurial > hg > octave-kai > gnulib-hg
annotate lib/getopt1.c @ 2930:2612c5348b8e
Update from libc.
| author | Jim Meyering <jim@meyering.net> |
|---|---|
| date | Sat, 28 Oct 2000 07:56:12 +0000 |
| parents | e24905aa1fa2 |
| children | 67058ec43c3f |
| rev | line source |
|---|---|
| 99 | 1 /* getopt_long and getopt_long_only entry points for GNU getopt. |
| 1639 | 2 Copyright (C) 1987,88,89,90,91,92,93,94,96,97,98 |
| 3 Free Software Foundation, Inc. | |
| 1968 | 4 NOTE: The canonical source of this file is maintained with the GNU C Library. |
| 5 Bugs can be reported to bug-glibc@gnu.org. | |
| 9 | 6 |
| 1968 | 7 This program is free software; you can redistribute it and/or modify it |
| 8 under the terms of the GNU General Public License as published by the | |
| 9 Free Software Foundation; either version 2, or (at your option) any | |
| 10 later version. | |
|
921
cb194d51a705
Update from glibc via patch-2.2.93.
Jim Meyering <jim@meyering.net>
parents:
867
diff
changeset
|
11 |
| 1968 | 12 This program is distributed in the hope that it will be useful, |
| 1639 | 13 but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 1968 | 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 GNU General Public License for more details. | |
| 867 | 16 |
| 1968 | 17 You should have received a copy of the GNU General Public License |
| 18 along with this program; if not, write to the Free Software Foundation, | |
| 19 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
| 9 | 20 |
| 99 | 21 #ifdef HAVE_CONFIG_H |
| 22 #include <config.h> | |
| 2930 | 23 #endif |
| 24 | |
| 25 #include "getopt.h" | |
| 26 | |
| 1639 | 27 #if !defined __STDC__ || !__STDC__ |
| 99 | 28 /* This is a separate conditional since some stdc systems |
| 29 reject `defined (const)'. */ | |
| 30 #ifndef const | |
| 9 | 31 #define const |
| 32 #endif | |
| 99 | 33 #endif |
| 9 | 34 |
| 99 | 35 #include <stdio.h> |
| 36 | |
| 37 /* Comment out all this code if we are using the GNU C Library, and are not | |
| 38 actually compiling the library itself. This code is part of the GNU C | |
| 39 Library, but also included in many other GNU distributions. Compiling | |
| 40 and linking in this code is a waste when using the GNU C library | |
| 41 (especially if it is a shared library). Rather than having every GNU | |
| 42 program understand `configure --with-gnu-libc' and omit the object files, | |
| 43 it is simpler to just do this in the source for each such file. */ | |
| 44 | |
| 867 | 45 #define GETOPT_INTERFACE_VERSION 2 |
| 1639 | 46 #if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2 |
| 867 | 47 #include <gnu-versions.h> |
| 48 #if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION | |
| 49 #define ELIDE_CODE | |
| 50 #endif | |
| 51 #endif | |
| 52 | |
| 53 #ifndef ELIDE_CODE | |
| 99 | 54 |
| 55 | |
| 56 /* This needs to come after some library #include | |
| 57 to get __GNU_LIBRARY__ defined. */ | |
| 58 #ifdef __GNU_LIBRARY__ | |
| 9 | 59 #include <stdlib.h> |
| 99 | 60 #endif |
| 9 | 61 |
| 62 #ifndef NULL | |
| 63 #define NULL 0 | |
| 64 #endif | |
| 65 | |
| 66 int | |
| 67 getopt_long (argc, argv, options, long_options, opt_index) | |
| 68 int argc; | |
| 69 char *const *argv; | |
| 70 const char *options; | |
| 71 const struct option *long_options; | |
| 72 int *opt_index; | |
| 73 { | |
| 74 return _getopt_internal (argc, argv, options, long_options, opt_index, 0); | |
| 75 } | |
| 76 | |
| 77 /* Like getopt_long, but '-' as well as '--' can indicate a long option. | |
| 78 If an option that starts with '-' (not '--') doesn't match a long option, | |
| 79 but does match a short option, it is parsed as a short option | |
| 80 instead. */ | |
| 81 | |
| 99 | 82 int |
| 9 | 83 getopt_long_only (argc, argv, options, long_options, opt_index) |
| 84 int argc; | |
| 85 char *const *argv; | |
| 86 const char *options; | |
| 87 const struct option *long_options; | |
| 88 int *opt_index; | |
| 89 { | |
| 90 return _getopt_internal (argc, argv, options, long_options, opt_index, 1); | |
| 91 } | |
| 99 | 92 |
| 93 | |
| 867 | 94 #endif /* Not ELIDE_CODE. */ |
| 9 | 95 |
| 96 #ifdef TEST | |
| 97 | |
| 98 #include <stdio.h> | |
| 99 | |
| 100 int | |
| 101 main (argc, argv) | |
| 102 int argc; | |
| 103 char **argv; | |
| 104 { | |
| 105 int c; | |
| 106 int digit_optind = 0; | |
| 107 | |
| 108 while (1) | |
| 109 { | |
| 110 int this_option_optind = optind ? optind : 1; | |
| 111 int option_index = 0; | |
| 112 static struct option long_options[] = | |
| 113 { | |
| 114 {"add", 1, 0, 0}, | |
| 115 {"append", 0, 0, 0}, | |
| 116 {"delete", 1, 0, 0}, | |
| 117 {"verbose", 0, 0, 0}, | |
| 118 {"create", 0, 0, 0}, | |
| 119 {"file", 1, 0, 0}, | |
| 120 {0, 0, 0, 0} | |
| 121 }; | |
| 122 | |
| 123 c = getopt_long (argc, argv, "abc:d:0123456789", | |
| 124 long_options, &option_index); | |
| 867 | 125 if (c == -1) |
| 9 | 126 break; |
| 127 | |
| 128 switch (c) | |
| 129 { | |
| 130 case 0: | |
| 131 printf ("option %s", long_options[option_index].name); | |
| 132 if (optarg) | |
| 133 printf (" with arg %s", optarg); | |
| 134 printf ("\n"); | |
| 135 break; | |
| 136 | |
| 137 case '0': | |
| 138 case '1': | |
| 139 case '2': | |
| 140 case '3': | |
| 141 case '4': | |
| 142 case '5': | |
| 143 case '6': | |
| 144 case '7': | |
| 145 case '8': | |
| 146 case '9': | |
| 147 if (digit_optind != 0 && digit_optind != this_option_optind) | |
| 148 printf ("digits occur in two different argv-elements.\n"); | |
| 149 digit_optind = this_option_optind; | |
| 150 printf ("option %c\n", c); | |
| 151 break; | |
| 152 | |
| 153 case 'a': | |
| 154 printf ("option a\n"); | |
| 155 break; | |
| 156 | |
| 157 case 'b': | |
| 158 printf ("option b\n"); | |
| 159 break; | |
| 160 | |
| 161 case 'c': | |
| 162 printf ("option c with value `%s'\n", optarg); | |
| 163 break; | |
| 164 | |
| 165 case 'd': | |
| 166 printf ("option d with value `%s'\n", optarg); | |
| 167 break; | |
| 168 | |
| 169 case '?': | |
| 170 break; | |
| 171 | |
| 172 default: | |
| 173 printf ("?? getopt returned character code 0%o ??\n", c); | |
| 174 } | |
| 175 } | |
| 176 | |
| 177 if (optind < argc) | |
| 178 { | |
| 179 printf ("non-option ARGV-elements: "); | |
| 180 while (optind < argc) | |
| 181 printf ("%s ", argv[optind++]); | |
| 182 printf ("\n"); | |
| 183 } | |
| 184 | |
| 185 exit (0); | |
| 186 } | |
| 187 | |
| 188 #endif /* TEST */ |