--- embedaddon/php/ext/filter/filter_private.h	2012/05/29 12:34:39	1.1.1.2
+++ embedaddon/php/ext/filter/filter_private.h	2013/07/22 01:31:50	1.1.1.3
@@ -2,7 +2,7 @@
   +----------------------------------------------------------------------+
   | PHP Version 5                                                        |
   +----------------------------------------------------------------------+
-  | Copyright (c) 1997-2012 The PHP Group                                |
+  | Copyright (c) 1997-2013 The PHP Group                                |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
@@ -16,7 +16,7 @@
   +----------------------------------------------------------------------+
 */
 
-/* $Id: filter_private.h,v 1.1.1.2 2012/05/29 12:34:39 misho Exp $ */
+/* $Id: filter_private.h,v 1.1.1.3 2013/07/22 01:31:50 misho Exp $ */
 
 #ifndef FILTER_PRIVATE_H
 #define FILTER_PRIVATE_H
@@ -99,16 +99,20 @@
 	}	\
 	return;	\
 
-#define PHP_FILTER_TRIM_DEFAULT(p, len) { \
+#define PHP_FILTER_TRIM_DEFAULT(p, len) PHP_FILTER_TRIM_DEFAULT_EX(p, len, 1);
+
+#define PHP_FILTER_TRIM_DEFAULT_EX(p, len, return_if_empty) { \
 	while ((len > 0)  && (*p == ' ' || *p == '\t' || *p == '\r' || *p == '\v' || *p == '\n')) { \
 		p++; \
 		len--; \
 	} \
-	if (len < 1) { \
+	if (len < 1 && return_if_empty) { \
 		RETURN_VALIDATION_FAILED \
 	} \
-	while (p[len-1] == ' ' || p[len-1] == '\t' || p[len-1] == '\r' || p[len-1] == '\v' || p[len-1] == '\n') { \
-		len--; \
+	if (len > 0) { \
+		while (p[len-1] == ' ' || p[len-1] == '\t' || p[len-1] == '\r' || p[len-1] == '\v' || p[len-1] == '\n') { \
+			len--; \
+		} \
 	} \
 }