1 files changed, 136 insertions, 0 deletions
diff --git a/libraries/liblutil/getopt.c b/libraries/liblutil/getopt.c
new file mode 100644
index 0000000..5fc94e3
--- /dev/null
+++ b/libraries/liblutil/getopt.c
@@ -0,0 +1,136 @@
+/* getopt.c -- replacement getopt(3) routines */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2021 The OpenLDAP Foundation.
+ * Portions Copyright 1998-2003 Kurt D. Zeilenga.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* This work is based upon the public-domain getopt(3) routines
+ * developed by AT&T.  Modified by Kurt D. Zeilenga for inclusion
+ * into OpenLDAP Software.  Significant contributors include:
+ *   Howard Chu
+ */
+
+#include "portable.h"
+
+#ifndef HAVE_GETOPT
+
+#include <stdio.h>
+
+#include <ac/string.h>
+#include <ac/unistd.h>
+
+#ifdef HAVE_IO_H
+#include <io.h>
+#endif
+
+#include "lutil.h"
+
+#ifndef STDERR_FILENO
+#define STDERR_FILENO 2
+#endif
+
+int opterr = 1;
+int optind = 1;
+int optopt;
+char * optarg;
+
+#ifdef HAVE_EBCDIC
+extern int _trans_argv;
+#endif
+
+static void ERR (char * const argv[], const char * s, char c)
+{
+#ifdef DF_TRACE_DEBUG
+printf("DF_TRACE_DEBUG: 	static void ERR () in getopt.c\n");
+#endif
+	if (opterr)
+	{
+		char *ptr, outbuf[4096];
+
+		ptr = lutil_strncopy(outbuf, argv[0], sizeof(outbuf) - 2);
+		ptr = lutil_strncopy(ptr, s, sizeof(outbuf)-2 -(ptr-outbuf));
+		*ptr++ = c;
+		*ptr++ = '\n';
+#ifdef HAVE_EBCDIC
+		__atoe_l(outbuf, ptr - outbuf);
+#endif
+		(void) write(STDERR_FILENO,outbuf,ptr - outbuf);
+	}
+}
+
+int getopt (int argc, char * const argv [], const char * opts)
+{
+	static int sp = 1, error = (int) '?';
+	static char sw = '-', eos = '\0', arg = ':';
+	register char c, * cp;
+
+#ifdef DF_TRACE_DEBUG
+printf("DF_TRACE_DEBUG: 	int getopt () in getopt.c\n");
+#endif
+
+#ifdef HAVE_EBCDIC
+	if (_trans_argv) {
+		int i;
+		for (i=0; i<argc; i++) __etoa(argv[i]);
+		_trans_argv = 0;
+	}
+#endif
+	if (sp == 1)
+	{
+		if (optind >= argc || argv[optind][0] != sw
+		|| argv[optind][1] == eos)
+			return EOF;
+		else if (strcmp(argv[optind],"--") == 0)
+		{
+			optind++;
+			return EOF;
+		}
+	}
+	c = argv[optind][sp];
+	optopt = (int) c;
+	if (c == arg || (cp = strchr(opts,c)) == NULL)
+	{
+		ERR(argv,_(": illegal option--"),c);
+		if (argv[optind][++sp] == eos)
+		{
+			optind++;
+			sp = 1;
+		}
+		return error;
+	}
+	else if (*++cp == arg)
+	{
+		if (argv[optind][sp + 1] != eos)
+			optarg = &argv[optind++][sp + 1];
+		else if (++optind >= argc)
+		{
+			ERR(argv,_(": option requires an argument--"),c);
+			sp = 1;
+			return error;
+		}
+		else
+			optarg = argv[optind++];
+		sp = 1;
+	}
+	else
+	{
+		if (argv[optind][++sp] == eos)
+		{
+			sp = 1;
+			optind++;
+		}
+		optarg = NULL;
+	}
+	return (int) c;
+}
+#endif /* HAVE_GETOPT */