1169695Skan/* getopt_long and getopt_long_only entry points for GNU getopt. 2169695Skan Copyright (C) 1987,88,89,90,91,92,93,94,96,97,98,2005 3169695Skan Free Software Foundation, Inc. 4169695Skan 5169695Skan NOTE: This source is derived from an old version taken from the GNU C 6169695Skan Library (glibc). 7169695Skan 8169695Skan This program is free software; you can redistribute it and/or modify it 9169695Skan under the terms of the GNU General Public License as published by the 10169695Skan Free Software Foundation; either version 2, or (at your option) any 11169695Skan later version. 12169695Skan 13169695Skan This program is distributed in the hope that it will be useful, 14169695Skan but WITHOUT ANY WARRANTY; without even the implied warranty of 15169695Skan MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16169695Skan GNU General Public License for more details. 17169695Skan 18169695Skan You should have received a copy of the GNU General Public License 19169695Skan along with this program; if not, write to the Free Software 20169695Skan Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, 21169695Skan USA. */ 22169695Skan 23169695Skan#ifdef HAVE_CONFIG_H 24169695Skan#include <config.h> 25169695Skan#endif 26169695Skan 27169695Skan#if !defined __STDC__ || !__STDC__ 28169695Skan/* This is a separate conditional since some stdc systems 29169695Skan reject `defined (const)'. */ 30169695Skan#ifndef const 31169695Skan#define const 32169695Skan#endif 33169695Skan#endif 34169695Skan 35169695Skan#include <stdio.h> 36169695Skan 37169695Skan#include "getopt.h" 38169695Skan 39169695Skan/* Comment out all this code if we are using the GNU C Library, and are not 40169695Skan actually compiling the library itself. This code is part of the GNU C 41169695Skan Library, but also included in many other GNU distributions. Compiling 42169695Skan and linking in this code is a waste when using the GNU C library 43169695Skan (especially if it is a shared library). Rather than having every GNU 44169695Skan program understand `configure --with-gnu-libc' and omit the object files, 45169695Skan it is simpler to just do this in the source for each such file. */ 46169695Skan 47169695Skan#define GETOPT_INTERFACE_VERSION 2 48169695Skan#if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2 49169695Skan#include <gnu-versions.h> 50169695Skan#if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION 51169695Skan#define ELIDE_CODE 52169695Skan#endif 53169695Skan#endif 54169695Skan 55169695Skan#ifndef ELIDE_CODE 56169695Skan 57169695Skan 58169695Skan/* This needs to come after some library #include 59169695Skan to get __GNU_LIBRARY__ defined. */ 60169695Skan#ifdef __GNU_LIBRARY__ 61169695Skan#include <stdlib.h> 62169695Skan#endif 63169695Skan 64169695Skan#ifndef NULL 65169695Skan#define NULL 0 66169695Skan#endif 67169695Skan 68169695Skanint 69169695Skangetopt_long (int argc, char *const *argv, const char *options, 70169695Skan const struct option *long_options, int *opt_index) 71169695Skan{ 72169695Skan return _getopt_internal (argc, argv, options, long_options, opt_index, 0); 73169695Skan} 74169695Skan 75169695Skan/* Like getopt_long, but '-' as well as '--' can indicate a long option. 76169695Skan If an option that starts with '-' (not '--') doesn't match a long option, 77169695Skan but does match a short option, it is parsed as a short option 78169695Skan instead. */ 79169695Skan 80169695Skanint 81169695Skangetopt_long_only (int argc, char *const *argv, const char *options, 82169695Skan const struct option *long_options, int *opt_index) 83169695Skan{ 84169695Skan return _getopt_internal (argc, argv, options, long_options, opt_index, 1); 85169695Skan} 86169695Skan 87169695Skan 88169695Skan#endif /* Not ELIDE_CODE. */ 89169695Skan 90169695Skan#ifdef TEST 91169695Skan 92169695Skan#include <stdio.h> 93169695Skan 94169695Skanint 95169695Skanmain (int argc, char **argv) 96169695Skan{ 97169695Skan int c; 98169695Skan int digit_optind = 0; 99169695Skan 100169695Skan while (1) 101169695Skan { 102169695Skan int this_option_optind = optind ? optind : 1; 103169695Skan int option_index = 0; 104169695Skan static struct option long_options[] = 105169695Skan { 106169695Skan {"add", 1, 0, 0}, 107169695Skan {"append", 0, 0, 0}, 108169695Skan {"delete", 1, 0, 0}, 109169695Skan {"verbose", 0, 0, 0}, 110169695Skan {"create", 0, 0, 0}, 111169695Skan {"file", 1, 0, 0}, 112169695Skan {0, 0, 0, 0} 113169695Skan }; 114169695Skan 115169695Skan c = getopt_long (argc, argv, "abc:d:0123456789", 116169695Skan long_options, &option_index); 117169695Skan if (c == -1) 118169695Skan break; 119169695Skan 120169695Skan switch (c) 121169695Skan { 122169695Skan case 0: 123169695Skan printf ("option %s", long_options[option_index].name); 124169695Skan if (optarg) 125169695Skan printf (" with arg %s", optarg); 126169695Skan printf ("\n"); 127169695Skan break; 128169695Skan 129169695Skan case '0': 130169695Skan case '1': 131169695Skan case '2': 132169695Skan case '3': 133169695Skan case '4': 134169695Skan case '5': 135169695Skan case '6': 136169695Skan case '7': 137169695Skan case '8': 138169695Skan case '9': 139169695Skan if (digit_optind != 0 && digit_optind != this_option_optind) 140169695Skan printf ("digits occur in two different argv-elements.\n"); 141169695Skan digit_optind = this_option_optind; 142169695Skan printf ("option %c\n", c); 143169695Skan break; 144169695Skan 145169695Skan case 'a': 146169695Skan printf ("option a\n"); 147169695Skan break; 148169695Skan 149169695Skan case 'b': 150169695Skan printf ("option b\n"); 151169695Skan break; 152169695Skan 153169695Skan case 'c': 154169695Skan printf ("option c with value `%s'\n", optarg); 155169695Skan break; 156169695Skan 157169695Skan case 'd': 158169695Skan printf ("option d with value `%s'\n", optarg); 159169695Skan break; 160169695Skan 161169695Skan case '?': 162169695Skan break; 163169695Skan 164169695Skan default: 165169695Skan printf ("?? getopt returned character code 0%o ??\n", c); 166169695Skan } 167169695Skan } 168169695Skan 169169695Skan if (optind < argc) 170169695Skan { 171169695Skan printf ("non-option ARGV-elements: "); 172169695Skan while (optind < argc) 173169695Skan printf ("%s ", argv[optind++]); 174169695Skan printf ("\n"); 175169695Skan } 176169695Skan 177169695Skan exit (0); 178169695Skan} 179169695Skan 180169695Skan#endif /* TEST */ 181