Mercurial > hg > xemacs-beta
annotate lib-src/getopt1.c @ 5714:489e76b85828
When an error is encountered while converting a Lisp menu specification
to its internal form, don't fail an assert(). Instead, return 0 to skip
the fault menu and show any errors in *Warnings*.
| author | Jerry James <james@xemacs.org> |
|---|---|
| date | Mon, 21 Jan 2013 10:17:55 -0700 |
| parents | 061f4f90f874 |
| children |
| rev | line source |
|---|---|
| 428 | 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 Free Software Foundation, Inc. | |
| 3 | |
| 4 NOTE: The canonical source of this file is maintained with the GNU C Library. | |
| 5 Bugs can be reported to bug-glibc@prep.ai.mit.edu. | |
| 6 | |
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7 This program is free software: you can redistribute it and/or modify it |
| 428 | 8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation, either version 3 of the License, or (at your |
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parents:
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10 option) any later version. |
| 428 | 11 |
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12 This program is distributed in the hope that it will be useful, but WITHOUT |
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parents:
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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parents:
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
| 428 | 16 |
| 17 You should have received a copy of the GNU General Public License | |
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18 along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 428 | 19 |
| 20 #ifdef HAVE_CONFIG_H | |
| 438 | 21 #include <config.h> |
| 428 | 22 #endif |
| 23 | |
| 24 #include "getopt.h" | |
| 25 | |
| 26 #include <stdio.h> | |
| 27 | |
| 28 /* Comment out all this code if we are using the GNU C Library, and are not | |
| 29 actually compiling the library itself. This code is part of the GNU C | |
| 30 Library, but also included in many other GNU distributions. Compiling | |
| 31 and linking in this code is a waste when using the GNU C library | |
| 32 (especially if it is a shared library). Rather than having every GNU | |
| 33 program understand `configure --with-gnu-libc' and omit the object files, | |
| 34 it is simpler to just do this in the source for each such file. */ | |
| 35 | |
| 36 #define GETOPT_INTERFACE_VERSION 2 | |
| 37 #if !defined (_LIBC) && defined (__GLIBC__) && __GLIBC__ >= 2 | |
| 38 #include <gnu-versions.h> | |
| 39 #if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION | |
| 40 #define ELIDE_CODE | |
| 41 #endif | |
| 42 #endif | |
| 43 | |
| 44 #ifndef ELIDE_CODE | |
| 45 | |
| 46 | |
| 47 /* This needs to come after some library #include | |
| 48 to get __GNU_LIBRARY__ defined. */ | |
| 49 #ifdef __GNU_LIBRARY__ | |
| 50 #include <stdlib.h> | |
| 51 #endif | |
| 52 | |
| 53 #ifndef NULL | |
| 54 #define NULL 0 | |
| 55 #endif | |
| 56 | |
| 57 int | |
| 58 getopt_long (int argc, char *const *argv, const char *options, | |
| 59 const struct option *long_options, int *opt_index) | |
| 60 { | |
| 61 return _getopt_internal (argc, argv, options, long_options, opt_index, 0); | |
| 62 } | |
| 63 | |
| 64 /* Like getopt_long, but '-' as well as '--' can indicate a long option. | |
| 65 If an option that starts with '-' (not '--') doesn't match a long option, | |
| 66 but does match a short option, it is parsed as a short option | |
| 67 instead. */ | |
| 68 | |
| 69 int | |
| 70 getopt_long_only (int argc, char *const *argv, const char *options, | |
| 71 const struct option *long_options, int *opt_index) | |
| 72 { | |
| 73 return _getopt_internal (argc, argv, options, long_options, opt_index, 1); | |
| 74 } | |
| 75 | |
| 76 | |
| 77 #endif /* Not ELIDE_CODE. */ | |
| 78 | |
| 79 #ifdef TEST | |
| 80 | |
| 81 #include <stdio.h> | |
| 82 | |
| 83 int | |
| 84 main (int argc, char **argv) | |
| 85 { | |
| 86 int c; | |
| 87 int digit_optind = 0; | |
| 88 | |
| 89 while (1) | |
| 90 { | |
| 91 int this_option_optind = optind ? optind : 1; | |
| 92 int option_index = 0; | |
| 93 static struct option long_options[] = | |
| 94 { | |
| 95 {"add", 1, 0, 0}, | |
| 96 {"append", 0, 0, 0}, | |
| 97 {"delete", 1, 0, 0}, | |
| 98 {"verbose", 0, 0, 0}, | |
| 99 {"create", 0, 0, 0}, | |
| 100 {"file", 1, 0, 0}, | |
| 101 {0, 0, 0, 0} | |
| 102 }; | |
| 103 | |
| 104 c = getopt_long (argc, argv, "abc:d:0123456789", | |
| 105 long_options, &option_index); | |
| 106 if (c == -1) | |
| 107 break; | |
| 108 | |
| 109 switch (c) | |
| 110 { | |
| 111 case 0: | |
| 112 printf ("option %s", long_options[option_index].name); | |
| 113 if (optarg) | |
| 114 printf (" with arg %s", optarg); | |
| 115 printf ("\n"); | |
| 116 break; | |
| 117 | |
| 118 case '0': | |
| 119 case '1': | |
| 120 case '2': | |
| 121 case '3': | |
| 122 case '4': | |
| 123 case '5': | |
| 124 case '6': | |
| 125 case '7': | |
| 126 case '8': | |
| 127 case '9': | |
| 128 if (digit_optind != 0 && digit_optind != this_option_optind) | |
| 129 printf ("digits occur in two different argv-elements.\n"); | |
| 130 digit_optind = this_option_optind; | |
| 131 printf ("option %c\n", c); | |
| 132 break; | |
| 133 | |
| 134 case 'a': | |
| 135 printf ("option a\n"); | |
| 136 break; | |
| 137 | |
| 138 case 'b': | |
| 139 printf ("option b\n"); | |
| 140 break; | |
| 141 | |
| 142 case 'c': | |
| 143 printf ("option c with value `%s'\n", optarg); | |
| 144 break; | |
| 145 | |
| 146 case 'd': | |
| 147 printf ("option d with value `%s'\n", optarg); | |
| 148 break; | |
| 149 | |
| 150 case '?': | |
| 151 break; | |
| 152 | |
| 153 default: | |
| 154 printf ("?? getopt returned character code 0%o ??\n", c); | |
| 155 } | |
| 156 } | |
| 157 | |
| 158 if (optind < argc) | |
| 159 { | |
| 160 printf ("non-option ARGV-elements: "); | |
| 161 while (optind < argc) | |
| 162 printf ("%s ", argv[optind++]); | |
| 163 printf ("\n"); | |
| 164 } | |
| 165 | |
| 166 exit (0); | |
| 167 } | |
| 168 | |
| 169 #endif /* TEST */ |