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-rw-r--r--app/wlib/mswlib/getopt.c87
1 files changed, 87 insertions, 0 deletions
diff --git a/app/wlib/mswlib/getopt.c b/app/wlib/mswlib/getopt.c
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+++ b/app/wlib/mswlib/getopt.c
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+/*----------------------------------------------------------------------
+
+ Replacement for Unix "getopt()", for DOS/Windows/etc.
+
+ getopt.c 1.3 2003/09/17 16:17:59
+
+ Copyright (C) 1998, 2003 by David A. Hinds -- All Rights Reserved
+
+ This file is part of ASPEX.
+
+ ASPEX is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ ASPEX is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with ASPEX; if not, write to the Free Software Foundation,
+ Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+----------------------------------------------------------------------*/
+
+#include "string.h"
+#include "stdio.h"
+#include "getopt.h"
+
+#ifdef WINDOWS
+#define OPTCHAR '/'
+#else
+#define OPTCHAR '-'
+#endif
+
+char *optarg;
+int optind = 1, opterr, optopt;
+
+int getopt(int argc, char *argv[], const char *optstring)
+{
+ static int pos = 0;
+ char *str;
+
+ if (pos == 0) {
+ if ((optind >= argc) || (*argv[optind] != OPTCHAR))
+ return EOF;
+ pos = 1;
+ if (argv[optind][pos] == '\0')
+ return EOF;
+ }
+
+ str = strchr(optstring, argv[optind][pos]);
+ if (str == NULL) {
+ optopt = argv[optind][pos];
+ if (opterr)
+ fprintf(stderr, "%s: illegal option -- %c\n", argv[0],
+ optopt);
+ return '?';
+ }
+
+ if (str[1] == ':') {
+ if (argv[optind][pos+1] != '\0') {
+ optarg = &argv[optind][pos+1];
+ return *str;
+ }
+ optind++;
+ if (optind >= argc) {
+ optopt = *str;
+ if (opterr)
+ fprintf(stderr, "%s: option requires an argument -- %c\n",
+ argv[0], optopt);
+ return '?';
+ }
+ optarg = argv[optind];
+ optind++; pos = 0;
+ return *str;
+ }
+ else {
+ pos++;
+ if (argv[optind][pos] == '\0') {
+ optind++;
+ pos = 0;
+ }
+ return *str;
+ }
+}