1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* $OpenBSD: getopt_long.c,v 1.24 2010/07/22 19:31:53 blambert Exp $ */ 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* $NetBSD: getopt_long.c,v 1.15 2002/01/31 22:43:40 tv Exp $ */ 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright (c) 2002 Todd C. Miller <Todd.Miller@courtesan.com> 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission to use, copy, modify, and distribute this software for any 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * purpose with or without fee is hereby granted, provided that the above 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copyright notice and this permission notice appear in all copies. 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Sponsored in part by the Defense Advanced Research Projects 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Agency (DARPA) and Air Force Research Laboratory, Air Force 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Materiel Command, USAF, under agreement number F39502-99-1-0512. 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/*- 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright (c) 2000 The NetBSD Foundation, Inc. 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * All rights reserved. 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * This code is derived from software contributed to The NetBSD Foundation 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * by Dieter Baron and Thomas Klausner. 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Redistribution and use in source and binary forms, with or without 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * modification, are permitted provided that the following conditions 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * are met: 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 1. Redistributions of source code must retain the above copyright 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * notice, this list of conditions and the following disclaimer. 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 2. Redistributions in binary form must reproduce the above copyright 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * notice, this list of conditions and the following disclaimer in the 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * documentation and/or other materials provided with the distribution. 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * POSSIBILITY OF SUCH DAMAGE. 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include <errno.h> 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include <getopt.h> 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include <stdio.h> 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include <stdlib.h> 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include <string.h> 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgint opterr = 1; /* if error message should be printed */ 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgint optind = 1; /* index into parent argv vector */ 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgint optopt = '?'; /* character checked for validity */ 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgint optreset; /* reset getopt */ 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgchar *optarg; /* argument associated with option */ 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define PRINT_ERROR ((opterr) && (*options != ':')) 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define FLAG_PERMUTE 0x01 /* permute non-options to the end of argv */ 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define FLAG_ALLARGS 0x02 /* treat non-options as args to option "-1" */ 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define FLAG_LONGONLY 0x04 /* operate as getopt_long_only */ 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* return values */ 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define BADCH (int)'?' 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define BADARG ((*options == ':') ? (int)':' : (int)'?') 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define INORDER (int)1 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define EMSG "" 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic int getopt_internal(int, char * const *, const char *, 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct option *, int *, int); 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic int parse_long_options(char * const *, const char *, 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct option *, int *, int); 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic int gcd(int, int); 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void permute_args(int, int, int, char * const *); 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic char *place = EMSG; /* option letter processing */ 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* XXX: set optreset to 1 rather than these two */ 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic int nonopt_start = -1; /* first non option argument (for permute) */ 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic int nonopt_end = -1; /* first option after non options (for permute) */ 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* Error messages */ 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic const char recargchar[] = "option requires an argument -- %c"; 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic const char recargstring[] = "option requires an argument -- %s"; 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic const char ambig[] = "ambiguous option -- %.*s"; 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic const char noarg[] = "option doesn't take an argument -- %.*s"; 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic const char illoptchar[] = "unknown option -- %c"; 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic const char illoptstring[] = "unknown option -- %s"; 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Compute the greatest common divisor of a and b. 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic int 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orggcd(int a, int b) 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int c; 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org c = a % b; 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org while (c != 0) { 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org a = b; 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org b = c; 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org c = a % b; 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (b); 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Exchange the block from nonopt_start to nonopt_end with the block 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * from nonopt_end to opt_end (keeping the same order of arguments 119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * in each block). 120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic void 122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpermute_args(int panonopt_start, int panonopt_end, int opt_end, 123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org char * const *nargv) 124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int cstart, cyclelen, i, j, ncycle, nnonopts, nopts, pos; 126f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org char *swap; 127f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 128f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 129f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * compute lengths of blocks and number and size of cycles 130f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 131f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org nnonopts = panonopt_end - panonopt_start; 132f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org nopts = opt_end - panonopt_end; 133f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ncycle = gcd(nnonopts, nopts); 134f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org cyclelen = (opt_end - panonopt_start) / ncycle; 135f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 136f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; i < ncycle; i++) { 137f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org cstart = panonopt_end+i; 138f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pos = cstart; 139f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (j = 0; j < cyclelen; j++) { 140f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (pos >= panonopt_end) 141f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pos -= nnonopts; 142f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else 143f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pos += nopts; 144f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org swap = nargv[pos]; 145f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* LINTED const cast */ 146f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ((char **) nargv)[pos] = nargv[cstart]; 147f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* LINTED const cast */ 148f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ((char **)nargv)[cstart] = swap; 149f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 150f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 151f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 152f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 153f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* 154f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * parse_long_options -- 155f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Parse long options in argc/argv argument vector. 156f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Returns -1 if short_too is set and the option does not match long_options. 157f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 158f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic int 159f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgparse_long_options(char * const *nargv, const char *options, 160f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct option *long_options, int *idx, int short_too) 161f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 162f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org char *current_argv, *has_equal; 163f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org size_t current_argv_len; 164f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int i, match; 165f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 166f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org current_argv = place; 167f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org match = -1; 168f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 169f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optind++; 170f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 171f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if ((has_equal = strchr(current_argv, '=')) != NULL) { 172f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* argument found (--option=arg) */ 173f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org current_argv_len = has_equal - current_argv; 174f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org has_equal++; 175f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else 176f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org current_argv_len = strlen(current_argv); 177f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 178f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org for (i = 0; long_options[i].name; i++) { 179f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* find matching long option */ 180f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (strncmp(current_argv, long_options[i].name, 181f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org current_argv_len)) 182f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org continue; 183f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 184f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (strlen(long_options[i].name) == current_argv_len) { 185f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* exact match */ 186f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org match = i; 187f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 188f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 189f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 190f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * If this is a known short option, don't allow 191f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * a partial match of a single character. 192f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 193f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (short_too && current_argv_len == 1) 194f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org continue; 195f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 196f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (match == -1) /* partial match */ 197f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org match = i; 198f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 199f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* ambiguous abbreviation */ 200f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (PRINT_ERROR) 201f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fprintf(stderr, ambig, (int)current_argv_len, 202f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org current_argv); 203f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optopt = 0; 204f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (BADCH); 205f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 206f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 207f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (match != -1) { /* option found */ 208f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (long_options[match].has_arg == no_argument 209f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org && has_equal) { 210f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (PRINT_ERROR) 211f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fprintf(stderr, noarg, (int)current_argv_len, 212f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org current_argv); 213f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 214f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * XXX: GNU sets optopt to val regardless of flag 215f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 216f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (long_options[match].flag == NULL) 217f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optopt = long_options[match].val; 218f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else 219f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optopt = 0; 220f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (BADARG); 221f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 222f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (long_options[match].has_arg == required_argument || 223f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org long_options[match].has_arg == optional_argument) { 224f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (has_equal) 225f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optarg = has_equal; 226f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else if (long_options[match].has_arg == 227f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org required_argument) { 228f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 229f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * optional argument doesn't use next nargv 230f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 231f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optarg = nargv[optind++]; 232f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 233f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 234f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if ((long_options[match].has_arg == required_argument) 235f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org && (optarg == NULL)) { 236f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 237f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Missing argument; leading ':' indicates no error 238f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * should be generated. 239f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 240f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (PRINT_ERROR) 241f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fprintf(stderr, recargstring, 242f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org current_argv); 243f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 244f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * XXX: GNU sets optopt to val regardless of flag 245f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 246f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (long_options[match].flag == NULL) 247f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optopt = long_options[match].val; 248f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else 249f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optopt = 0; 250f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org --optind; 251f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (BADARG); 252f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 253f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else { /* unknown option */ 254f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (short_too) { 255f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org --optind; 256f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (-1); 257f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 258f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (PRINT_ERROR) 259f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fprintf(stderr, illoptstring, current_argv); 260f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optopt = 0; 261f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (BADCH); 262f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 263f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (idx) 264f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *idx = match; 265f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (long_options[match].flag) { 266f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org *long_options[match].flag = long_options[match].val; 267f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (0); 268f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else 269f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (long_options[match].val); 270f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 271f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 272f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* 273f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * getopt_internal -- 274f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Parse argc/argv argument vector. Called by user level routines. 275f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 276f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic int 277f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orggetopt_internal(int nargc, char * const *nargv, const char *options, 278f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct option *long_options, int *idx, int flags) 279f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 280f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org char *oli; /* option letter list index */ 281f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int optchar, short_too; 282f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org static int posixly_correct = -1; 283f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 284f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (options == NULL) 285f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (-1); 286f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 287f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 288f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Disable GNU extensions if POSIXLY_CORRECT is set or options 289f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * string begins with a '+'. 290f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 291f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (posixly_correct == -1) 292f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org posixly_correct = (getenv("POSIXLY_CORRECT") != NULL); 293f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (posixly_correct || *options == '+') 294f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org flags &= ~FLAG_PERMUTE; 295f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else if (*options == '-') 296f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org flags |= FLAG_ALLARGS; 297f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (*options == '+' || *options == '-') 298f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org options++; 299f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 300f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 301f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * XXX Some GNU programs (like cvs) set optind to 0 instead of 302f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * XXX using optreset. Work around this braindamage. 303f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 304f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (optind == 0) 305f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optind = optreset = 1; 306f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 307f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optarg = NULL; 308f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (optreset) 309f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org nonopt_start = nonopt_end = -1; 310f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstart: 311f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (optreset || !*place) { /* update scanning pointer */ 312f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optreset = 0; 313f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (optind >= nargc) { /* end of argument vector */ 314f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org place = EMSG; 315f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (nonopt_end != -1) { 316f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* do permutation, if we have to */ 317f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org permute_args(nonopt_start, nonopt_end, 318f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optind, nargv); 319f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optind -= nonopt_end - nonopt_start; 320f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 321f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else if (nonopt_start != -1) { 322f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 323f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * If we skipped non-options, set optind 324f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * to the first of them. 325f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 326f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optind = nonopt_start; 327f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 328f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org nonopt_start = nonopt_end = -1; 329f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (-1); 330f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 331f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (*(place = nargv[optind]) != '-' || 332f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (place[1] == '\0' && strchr(options, '-') == NULL)) { 333f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org place = EMSG; /* found non-option */ 334f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (flags & FLAG_ALLARGS) { 335f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 336f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * GNU extension: 337f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * return non-option as argument to option 1 338f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 339f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optarg = nargv[optind++]; 340f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (INORDER); 341f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 342f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!(flags & FLAG_PERMUTE)) { 343f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 344f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * If no permutation wanted, stop parsing 345f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * at first non-option. 346f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 347f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (-1); 348f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 349f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* do permutation */ 350f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (nonopt_start == -1) 351f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org nonopt_start = optind; 352f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else if (nonopt_end != -1) { 353f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org permute_args(nonopt_start, nonopt_end, 354f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optind, nargv); 355f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org nonopt_start = optind - 356f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (nonopt_end - nonopt_start); 357f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org nonopt_end = -1; 358f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 359f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optind++; 360f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* process next argument */ 361f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org goto start; 362f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 363f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (nonopt_start != -1 && nonopt_end == -1) 364f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org nonopt_end = optind; 365f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 366f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 367f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * If we have "-" do nothing, if "--" we are done. 368f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 369f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (place[1] != '\0' && *++place == '-' && place[1] == '\0') { 370f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optind++; 371f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org place = EMSG; 372f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 373f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * We found an option (--), so if we skipped 374f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * non-options, we have to permute. 375f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 376f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (nonopt_end != -1) { 377f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org permute_args(nonopt_start, nonopt_end, 378f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optind, nargv); 379f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optind -= nonopt_end - nonopt_start; 380f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 381f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org nonopt_start = nonopt_end = -1; 382f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (-1); 383f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 384f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 385f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 386f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 387f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Check long options if: 388f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 1) we were passed some 389f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 2) the arg is not just "-" 390f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 3) either the arg starts with -- we are getopt_long_only() 391f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 392f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (long_options != NULL && place != nargv[optind] && 393f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (*place == '-' || (flags & FLAG_LONGONLY))) { 394f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org short_too = 0; 395f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (*place == '-') 396f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org place++; /* --foo long option */ 397f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else if (*place != ':' && strchr(options, *place) != NULL) 398f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org short_too = 1; /* could be short option too */ 399f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 400f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optchar = parse_long_options(nargv, options, long_options, 401f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org idx, short_too); 402f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (optchar != -1) { 403f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org place = EMSG; 404f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (optchar); 405f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 406f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 407f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 408f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if ((optchar = (int)*place++) == (int)':' || 409f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (optchar == (int)'-' && *place != '\0') || 410f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (oli = strchr(options, optchar)) == NULL) { 411f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 412f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * If the user specified "-" and '-' isn't listed in 413f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * options, return -1 (non-option) as per POSIX. 414f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Otherwise, it is an unknown option character (or ':'). 415f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 416f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (optchar == (int)'-' && *place == '\0') 417f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (-1); 418f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!*place) 419f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ++optind; 420f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (PRINT_ERROR) 421f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fprintf(stderr, illoptchar, optchar); 422f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optopt = optchar; 423f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (BADCH); 424f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 425f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (long_options != NULL && optchar == 'W' && oli[1] == ';') { 426f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* -W long-option */ 427f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (*place) /* no space */ 428f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* NOTHING */; 429f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else if (++optind >= nargc) { /* no arg */ 430f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org place = EMSG; 431f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (PRINT_ERROR) 432f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fprintf(stderr, recargchar, optchar); 433f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optopt = optchar; 434f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (BADARG); 435f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else /* white space */ 436f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org place = nargv[optind]; 437f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optchar = parse_long_options(nargv, options, long_options, 438f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org idx, 0); 439f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org place = EMSG; 440f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (optchar); 441f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 442f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (*++oli != ':') { /* doesn't take argument */ 443f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!*place) 444f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ++optind; 445f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else { /* takes (optional) argument */ 446f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optarg = NULL; 447f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (*place) /* no white space */ 448f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optarg = place; 449f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else if (oli[1] != ':') { /* arg not optional */ 450f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (++optind >= nargc) { /* no arg */ 451f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org place = EMSG; 452f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (PRINT_ERROR) 453f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org fprintf(stderr, recargchar, optchar); 454f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optopt = optchar; 455f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (BADARG); 456f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } else 457f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org optarg = nargv[optind]; 458f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 459f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org place = EMSG; 460f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ++optind; 461f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 462f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* dump back option letter */ 463f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (optchar); 464f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 465f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 466f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* 467f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * getopt -- 468f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Parse argc/argv argument vector. 469f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 470f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * [eventually this will replace the BSD getopt] 471f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 472f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgint 473f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orggetopt(int nargc, char * const *nargv, const char *options) 474f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 475f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 476f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 477f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * We don't pass FLAG_PERMUTE to getopt_internal() since 478f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the BSD getopt(3) (unlike GNU) has never done this. 479f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 480f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Furthermore, since many privileged programs call getopt() 481f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * before dropping privileges it makes sense to keep things 482f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * as simple (and bug-free) as possible. 483f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 484f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (getopt_internal(nargc, nargv, options, NULL, NULL, 0)); 485f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 486f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 487f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* 488f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * getopt_long -- 489f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Parse argc/argv argument vector. 490f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 491f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgint 492f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orggetopt_long(int nargc, char * const *nargv, const char *options, 493f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct option *long_options, int *idx) 494f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 495f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 496f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (getopt_internal(nargc, nargv, options, long_options, idx, 497f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org FLAG_PERMUTE)); 498f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 499f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 500f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* 501f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * getopt_long_only -- 502f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Parse argc/argv argument vector. 503f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 504f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgint 505f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orggetopt_long_only(int nargc, char * const *nargv, const char *options, 506f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct option *long_options, int *idx) 507f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 508f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 509f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return (getopt_internal(nargc, nargv, options, long_options, idx, 510f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org FLAG_PERMUTE|FLAG_LONGONLY)); 511f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 512