1 /* $NetBSD: getopt1.c,v 1.1.1.1 2016/01/14 00:11:29 christos Exp $ */ 2 3 /* getopt_long and getopt_long_only entry points for GNU getopt. 4 Copyright (C) 1987,88,89,90,91,92,93,94,96,97,98,2004 5 Free Software Foundation, Inc. 6 This file is part of the GNU C Library. 7 8 This program is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 2, or (at your option) 11 any later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License along 19 with this program; if not, write to the Free Software Foundation, 20 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 21 22 #ifdef HAVE_CONFIG_H 23 #include <config.h> 24 #endif 25 26 #ifdef _LIBC 27 # include <getopt.h> 28 #else 29 # include "getopt.h" 30 #endif 31 #include "getopt_int.h" 32 33 #include <stdio.h> 34 35 /* This needs to come after some library #include 36 to get __GNU_LIBRARY__ defined. */ 37 #ifdef __GNU_LIBRARY__ 38 #include <stdlib.h> 39 #endif 40 41 #ifndef NULL 42 #define NULL 0 43 #endif 44 45 int 46 getopt_long (int argc, char *const *argv, const char *options, 47 const struct option *long_options, int *opt_index) 48 { 49 return _getopt_internal (argc, argv, options, long_options, opt_index, 0); 50 } 51 52 int 53 _getopt_long_r (int argc, char *const *argv, const char *options, 54 const struct option *long_options, int *opt_index, 55 struct _getopt_data *d) 56 { 57 return _getopt_internal_r (argc, argv, options, long_options, opt_index, 58 0, d); 59 } 60 61 /* Like getopt_long, but '-' as well as '--' can indicate a long option. 62 If an option that starts with '-' (not '--') doesn't match a long option, 63 but does match a short option, it is parsed as a short option 64 instead. */ 65 66 int 67 getopt_long_only (int argc, char *const *argv, const char *options, 68 const struct option *long_options, int *opt_index) 69 { 70 return _getopt_internal (argc, argv, options, long_options, opt_index, 1); 71 } 72 73 int 74 _getopt_long_only_r (int argc, char *const *argv, const char *options, 75 const struct option *long_options, int *opt_index, 76 struct _getopt_data *d) 77 { 78 return _getopt_internal_r (argc, argv, options, long_options, opt_index, 79 1, d); 80 } 81 82 83 #ifdef TEST 84 85 #include <stdio.h> 86 87 int 88 main (int argc, char **argv) 89 { 90 int c; 91 int digit_optind = 0; 92 93 while (1) 94 { 95 int this_option_optind = optind ? optind : 1; 96 int option_index = 0; 97 static struct option long_options[] = 98 { 99 {"add", 1, 0, 0}, 100 {"append", 0, 0, 0}, 101 {"delete", 1, 0, 0}, 102 {"verbose", 0, 0, 0}, 103 {"create", 0, 0, 0}, 104 {"file", 1, 0, 0}, 105 {0, 0, 0, 0} 106 }; 107 108 c = getopt_long (argc, argv, "abc:d:0123456789", 109 long_options, &option_index); 110 if (c == -1) 111 break; 112 113 switch (c) 114 { 115 case 0: 116 printf ("option %s", long_options[option_index].name); 117 if (optarg) 118 printf (" with arg %s", optarg); 119 printf ("\n"); 120 break; 121 122 case '0': 123 case '1': 124 case '2': 125 case '3': 126 case '4': 127 case '5': 128 case '6': 129 case '7': 130 case '8': 131 case '9': 132 if (digit_optind != 0 && digit_optind != this_option_optind) 133 printf ("digits occur in two different argv-elements.\n"); 134 digit_optind = this_option_optind; 135 printf ("option %c\n", c); 136 break; 137 138 case 'a': 139 printf ("option a\n"); 140 break; 141 142 case 'b': 143 printf ("option b\n"); 144 break; 145 146 case 'c': 147 printf ("option c with value `%s'\n", optarg); 148 break; 149 150 case 'd': 151 printf ("option d with value `%s'\n", optarg); 152 break; 153 154 case '?': 155 break; 156 157 default: 158 printf ("?? getopt returned character code 0%o ??\n", c); 159 } 160 } 161 162 if (optind < argc) 163 { 164 printf ("non-option ARGV-elements: "); 165 while (optind < argc) 166 printf ("%s ", argv[optind++]); 167 printf ("\n"); 168 } 169 170 exit (0); 171 } 172 173 #endif /* TEST */ 174