--- libaitio/inc/aitio.h	2012/07/22 20:39:45	1.21
+++ libaitio/inc/aitio.h	2012/07/25 15:21:59	1.22
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: aitio.h,v 1.21 2012/07/22 20:39:45 misho Exp $
+* $Id: aitio.h,v 1.22 2012/07/25 15:21:59 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -306,6 +306,23 @@ typedef struct {
 						__val->val_type = empty; \
 						__val->val_opt ^= __val->val_opt; \
 						AIT_LEN(__val) = 0; \
+						AIT_KEY(__val) = 0; \
+					} while (0)
+#define AIT_ZERO_VAL(_vl)		do { ait_val_t *__val = (_vl); assert(__val); \
+						switch (AIT_TYPE(__val)) { \
+							case buffer: \
+							case string: \
+								memset(__val->val.buffer, 0, \
+										AIT_LEN(__val)); \
+								break; \
+							case data: \
+								memset(__val->val_data, 0, \
+										AIT_LEN(__val)); \
+								break; \
+							default: \
+								__val->val.net = 0LL; \
+								break; \
+						} \
 						AIT_KEY(__val) = 0; \
 					} while (0)