Adding upstream version 15.5.upstream/15.5

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 136 insertions, 0 deletions

diff --git a/src/port/getopt.c b/src/port/getopt.c
new file mode 100644
index 0000000..207c283
--- /dev/null
+++ b/src/port/getopt.c
@@ -0,0 +1,136 @@
+/* src/port/getopt.c */
+
+/*
+ * 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
+ */
+
+#include "c.h"
+
+#include "pg_getopt.h"
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)getopt.c	8.3 (Berkeley) 4/27/95";
+#endif							/* LIBC_SCCS and not lint */
+
+
+/*
+ * On OpenBSD and some versions of Solaris, opterr and friends are defined in
+ * core libc rather than in a separate getopt module.  Define these variables
+ * only if configure found they aren't there by default; otherwise, this
+ * module and its callers will just use libc's variables.  (We assume that
+ * testing opterr is sufficient for all of these.)
+ */
+#ifndef HAVE_INT_OPTERR
+
+int			opterr = 1,			/* if error message should be printed */
+			optind = 1,			/* index into parent argv vector */
+			optopt;				/* character checked for validity */
+char	   *optarg;				/* argument associated with option */
+
+#endif
+
+#define BADCH	(int)'?'
+#define BADARG	(int)':'
+#define EMSG	""
+
+/*
+ * getopt
+ *	Parse argc/argv argument vector.
+ *
+ * This implementation does not use optreset.  Instead, we guarantee that
+ * it can be restarted on a new argv array after a previous call returned -1,
+ * if the caller resets optind to 1 before the first call of the new series.
+ * (Internally, this means we must be sure to reset "place" to EMSG before
+ * returning -1.)
+ */
+int
+getopt(int nargc, char *const *nargv, const char *ostr)
+{
+	static char *place = EMSG;	/* option letter processing */
+	char	   *oli;			/* option letter list index */
+
+	if (!*place)
+	{							/* update scanning pointer */
+		if (optind >= nargc || *(place = nargv[optind]) != '-')
+		{
+			place = EMSG;
+			return -1;
+		}
+		if (place[1] && *++place == '-' && place[1] == '\0')
+		{						/* found "--" */
+			++optind;
+			place = EMSG;
+			return -1;
+		}
+	}							/* option letter okay? */
+	if ((optopt = (int) *place++) == (int) ':' ||
+		!(oli = strchr(ostr, optopt)))
+	{
+		/*
+		 * if the user didn't specify '-' as an option, assume it means -1.
+		 */
+		if (optopt == (int) '-')
+		{
+			place = EMSG;
+			return -1;
+		}
+		if (!*place)
+			++optind;
+		if (opterr && *ostr != ':')
+			(void) fprintf(stderr,
+						   "illegal option -- %c\n", optopt);
+		return BADCH;
+	}
+	if (*++oli != ':')
+	{							/* don't need argument */
+		optarg = NULL;
+		if (!*place)
+			++optind;
+	}
+	else
+	{							/* need an argument */
+		if (*place)				/* no white space */
+			optarg = place;
+		else if (nargc <= ++optind)
+		{						/* no arg */
+			place = EMSG;
+			if (*ostr == ':')
+				return BADARG;
+			if (opterr)
+				(void) fprintf(stderr,
+							   "option requires an argument -- %c\n",
+							   optopt);
+			return BADCH;
+		}
+		else
+			/* white space */
+			optarg = nargv[optind];
+		place = EMSG;
+		++optind;
+	}
+	return optopt;				/* dump back option letter */
+}