[3213] | 1 | /* Reentrant version of getopt_long and getopt_long_only.
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| 2 |
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| 3 | Based on ../getopt*.*:
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| 4 |
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| 5 | getopt_long and getopt_long_only entry points for GNU getopt.
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[3140] | 6 | Copyright (C) 1987-1994, 1996-2016 Free Software Foundation, Inc.
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[53] | 7 |
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[503] | 8 | NOTE: The canonical source of this file is maintained with the GNU C Library.
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| 9 | Bugs can be reported to bug-glibc@gnu.org.
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[53] | 10 |
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[1993] | 11 | GNU Make is free software; you can redistribute it and/or modify it under the
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| 12 | terms of the GNU General Public License as published by the Free Software
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| 13 | Foundation; either version 3 of the License, or (at your option) any later
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| 14 | version.
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[53] | 15 |
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[1993] | 16 | GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
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| 17 | WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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| 18 | A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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[53] | 19 |
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[503] | 20 | You should have received a copy of the GNU General Public License along with
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[3213] | 21 | this program. If not, see <http://www.gnu.org/licenses/>.
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| 22 |
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| 23 | Modifications:
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| 24 | Copyright (c) 2018 knut st. osmundsen <bird-kBuild-spamx@anduin.net>
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| 25 | */
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[53] | 26 | |
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[3213] | 27 |
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[53] | 28 | #define FAKES_NO_GETOPT_H /* bird */
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| 29 | #ifdef HAVE_CONFIG_H
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| 30 | #include <config.h>
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| 31 | #endif
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[3213] | 32 |
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[53] | 33 | #include "getopt_r.h"
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| 34 |
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| 35 | #if !defined __STDC__ || !__STDC__
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| 36 | /* This is a separate conditional since some stdc systems
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| 37 | reject `defined (const)'. */
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| 38 | #ifndef const
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| 39 | #define const
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| 40 | #endif
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| 41 | #endif
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| 42 |
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| 43 | #include <stdio.h>
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[3213] | 44 |
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[53] | 45 | #if 0
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| 46 | /* Comment out all this code if we are using the GNU C Library, and are not
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| 47 | actually compiling the library itself. This code is part of the GNU C
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| 48 | Library, but also included in many other GNU distributions. Compiling
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| 49 | and linking in this code is a waste when using the GNU C library
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| 50 | (especially if it is a shared library). Rather than having every GNU
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| 51 | program understand `configure --with-gnu-libc' and omit the object files,
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| 52 | it is simpler to just do this in the source for each such file. */
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| 53 |
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| 54 | #define GETOPT_INTERFACE_VERSION 2
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| 55 | #if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2
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| 56 | #include <gnu-versions.h>
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| 57 | #if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
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| 58 | #define ELIDE_CODE
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| 59 | #endif
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[3213] | 60 | #endif
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[53] | 61 | #endif
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[3213] | 62 |
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[53] | 63 | #if 1 //ndef ELIDE_CODE
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| 64 |
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| 65 |
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| 66 | /* This needs to come after some library #include
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| 67 | to get __GNU_LIBRARY__ defined. */
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| 68 | #ifdef __GNU_LIBRARY__
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| 69 | #include <stdlib.h>
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| 70 | #endif
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| 71 |
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| 72 | #ifndef NULL
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| 73 | #define NULL 0
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| 74 | #endif
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| 75 |
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[3213] | 76 | int
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[53] | 77 | getopt_long_r (struct getopt_state_r *gos, int *opt_index)
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[3213] | 78 | {
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[53] | 79 | return _getopt_internal_r (gos, gos->long_options, opt_index, 0);
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| 80 | }
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| 81 |
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| 82 | /* Like getopt_long, but '-' as well as '--' can indicate a long option.
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| 83 | If an option that starts with '-' (not '--') doesn't match a long option,
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| 84 | but does match a short option, it is parsed as a short option
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| 85 | instead. */
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| 86 |
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[3213] | 87 | int
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[53] | 88 | getopt_long_only_r (struct getopt_state_r *gos, int *opt_index)
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[3213] | 89 | {
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[53] | 90 | return _getopt_internal_r (gos, gos->long_options, opt_index, 0);
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| 91 | }
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| 92 |
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[3213] | 93 |
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[53] | 94 | #endif /* #if 1 */ /* Not ELIDE_CODE. */
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| 95 | |
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| 96 |
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| 97 | #ifdef TEST
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| 98 |
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| 99 | #include <stdio.h>
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| 100 |
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| 101 | int
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| 102 | main (int argc, char **argv)
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| 103 | {
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| 104 | int c;
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| 105 | int digit_optind = 0;
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| 106 |
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| 107 | while (1)
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| 108 | {
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[3213] | 109 | int this_option_optind = optind ? optind : 1;
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[53] | 110 | int option_index = 0;
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| 111 | struct getopt_state_r gos;
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| 112 | static struct option long_options[] =
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| 113 | {
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| 114 | {"add", 1, 0, 0},
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| 115 | {"append", 0, 0, 0},
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| 116 | {"delete", 1, 0, 0},
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| 117 | {"verbose", 0, 0, 0},
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| 118 | {"create", 0, 0, 0},
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| 119 | {"file", 1, 0, 0},
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| 120 | {0, 0, 0, 0}
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[3213] | 121 | };
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| 122 |
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[53] | 123 | getopt_initialize_r (&gos, argc, argv, "abc:d:0123456789", long_options, NULL, NULL);
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| 124 | c = getopt_long_r (&geo, &option_index);
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| 125 | if (c == -1)
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| 126 | break;
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| 127 |
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| 128 | switch (c)
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| 129 | {
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[3213] | 130 | case 0:
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| 131 | printf ("option %s", long_options[option_index].name);
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[53] | 132 | if (geo.optarg)
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| 133 | printf (" with arg %s", geo.optarg);
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| 134 | printf ("\n");
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| 135 | break;
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| 136 |
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| 137 | case '0':
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| 138 | case '1':
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| 139 | case '2':
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| 140 | case '3':
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| 141 | case '4':
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| 142 | case '5':
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| 143 | case '6':
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| 144 | case '7':
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| 145 | case '8':
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| 146 | case '9':
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| 147 | if (digit_optind != 0 && digit_optind != this_option_optind)
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| 148 | printf ("digits occur in two different argv-elements.\n");
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| 149 | digit_optind = this_option_optind;
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| 150 | printf ("option %c\n", c);
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| 151 | break;
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| 152 |
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| 153 | case 'a':
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| 154 | printf ("option a\n");
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| 155 | break;
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| 156 |
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| 157 | case 'b':
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| 158 | printf ("option b\n");
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| 159 | break;
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[3213] | 160 |
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[53] | 161 | case 'c':
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| 162 | printf ("option c with value '%s'\n", geo.optarg);
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| 163 | break;
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[3213] | 164 |
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[53] | 165 | case 'd':
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| 166 | printf ("option d with value '%s'\n", geo.optarg);
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| 167 | break;
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| 168 |
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| 169 | case '?':
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| 170 | break;
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| 171 |
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| 172 | default:
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| 173 | printf ("?? getopt returned character code 0%o ??\n", c);
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| 174 | }
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[3213] | 175 | }
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[53] | 176 |
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| 177 | if (geo.optind < argc)
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| 178 | {
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[3213] | 179 | printf ("non-option ARGV-elements: ");
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[53] | 180 | while (optind < argc)
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| 181 | printf ("%s ", argv[geo.optind++]);
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| 182 | printf ("\n");
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| 183 | }
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| 184 |
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| 185 | exit (0);
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| 186 | }
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| 187 |
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| 188 | #endif /* TEST */
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