Import BSDDB 4.7.25 (as of svn r89086)

os_vxworks/os_vx_rpath.c

@@ -0,0 +1,55 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1997,2008 Oracle.  All rights reserved.
+ *
+ * $Id: os_vx_rpath.c 63573 2008-05-23 21:43:21Z trent.nelson $
+ */
+
+#include "db_config.h"
+
+#include "db_int.h"
+
+#include "iosLib.h"
+
+/*
+ * __db_rpath --
+ *	Return the last path separator in the path or NULL if none found.
+ */
+char *
+__db_rpath(path)
+	const char *path;
+{
+	const char *s, *last;
+	DEV_HDR *dummy;
+	char *ptail;
+
+	/*
+	 * VxWorks devices can be rooted at any name.  We want to
+	 * skip over the device name and not take into account any
+	 * PATH_SEPARATOR characters that might be in that name.
+	 *
+	 * XXX [#2393]
+	 * VxWorks supports having a filename directly follow a device
+	 * name with no separator.  I.e. to access a file 'xxx' in
+	 * the top level directory of a device mounted at "mydrive"
+	 * you could say "mydrivexxx" or "mydrive/xxx" or "mydrive\xxx".
+	 * We do not support the first usage here.
+	 * XXX
+	 */
+	if ((dummy = iosDevFind((char *)path, &ptail)) == NULL)
+		s = path;
+	else
+		s = ptail;
+
+	last = NULL;
+	if (PATH_SEPARATOR[1] != '\0') {
+		for (; s[0] != '\0'; ++s)
+			if (strchr(PATH_SEPARATOR, s[0]) != NULL)
+				last = s;
+	} else
+		for (; s[0] != '\0'; ++s)
+			if (s[0] == PATH_SEPARATOR[0])
+				last = s;
+	return ((char *)last);
+}