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-rw-r--r--src/3rdparty/libtiff/port/getopt.c124
1 files changed, 124 insertions, 0 deletions
diff --git a/src/3rdparty/libtiff/port/getopt.c b/src/3rdparty/libtiff/port/getopt.c
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+++ b/src/3rdparty/libtiff/port/getopt.c
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+/* $Id: getopt.c,v 1.2 2005/07/07 16:34:06 dron Exp $ */
+
+/*
+ * Copyright (c) 1987, 1993, 1994
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#if 0
+static char sccsid[] = "@(#)getopt.c 8.3 (Berkeley) 4/27/95";
+__RCSID("$NetBSD: getopt.c,v 1.26 2003/08/07 16:43:40 agc Exp $");
+#endif
+
+#include <stdio.h>
+#include <string.h>
+
+int opterr = 1, /* if error message should be printed */
+ optind = 1, /* index into parent argv vector */
+ optopt, /* character checked for validity */
+ optreset; /* reset getopt */
+char *optarg; /* argument associated with option */
+
+#define BADCH (int)'?'
+#define BADARG (int)':'
+#define EMSG ""
+
+/*
+ * getopt --
+ * Parse argc/argv argument vector.
+ */
+int
+getopt(int argc, char * const argv[], const char *optstring)
+{
+ static char *place = EMSG; /* option letter processing */
+ char *oli; /* option letter list index */
+
+ if (optreset || *place == 0) { /* update scanning pointer */
+ optreset = 0;
+ place = argv[optind];
+ if (optind >= argc || *place++ != '-') {
+ /* Argument is absent or is not an option */
+ place = EMSG;
+ return (-1);
+ }
+ optopt = *place++;
+ if (optopt == '-' && *place == 0) {
+ /* "--" => end of options */
+ ++optind;
+ place = EMSG;
+ return (-1);
+ }
+ if (optopt == 0) {
+ /* Solitary '-', treat as a '-' option
+ if the program (eg su) is looking for it. */
+ place = EMSG;
+ if (strchr(optstring, '-') == NULL)
+ return -1;
+ optopt = '-';
+ }
+ } else
+ optopt = *place++;
+
+ /* See if option letter is one the caller wanted... */
+ if (optopt == ':' || (oli = strchr(optstring, optopt)) == NULL) {
+ if (*place == 0)
+ ++optind;
+ if (opterr && *optstring != ':')
+ (void)fprintf(stderr,
+ "unknown option -- %c\n", optopt);
+ return (BADCH);
+ }
+
+ /* Does this option need an argument? */
+ if (oli[1] != ':') {
+ /* don't need argument */
+ optarg = NULL;
+ if (*place == 0)
+ ++optind;
+ } else {
+ /* Option-argument is either the rest of this argument or the
+ entire next argument. */
+ if (*place)
+ optarg = place;
+ else if (argc > ++optind)
+ optarg = argv[optind];
+ else {
+ /* option-argument absent */
+ place = EMSG;
+ if (*optstring == ':')
+ return (BADARG);
+ if (opterr)
+ (void)fprintf(stderr,
+ "option requires an argument -- %c\n",
+ optopt);
+ return (BADCH);
+ }
+ place = EMSG;
+ ++optind;
+ }
+ return (optopt); /* return option letter */
+}