--- libaitio/inc/Attic/atree.h	2012/08/15 08:45:22	1.3.28.1
+++ libaitio/inc/Attic/atree.h	2012/08/17 22:00:03	1.3.28.2
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: atree.h,v 1.3.28.1 2012/08/15 08:45:22 misho Exp $
+* $Id: atree.h,v 1.3.28.2 2012/08/17 22:00:03 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -338,6 +338,13 @@ void name##_SPLAY_MINMAX(struct name *head, int __comp
 	for ((x) = SPLAY_MIN(name, head);				\
 	     (x) != NULL;						\
 	     (x) = SPLAY_NEXT(name, head, x))
+
+#define SPLAY_FOREACH_SAFE(x, name, head, y)				\
+	for ((x) = SPLAY_MIN(name, head);				\
+	    ((x) != NULL) && 						\
+			((y) = SPLAY_NEXT(name, head, x), (x) != NULL);	\
+	     (x) = (y))
+
 
 /* Macros that define a red-black tree */
 #define RB_HEAD(name, type)						\