--- libaitio/inc/aitio.h	2012/08/02 00:47:46	1.24
+++ libaitio/inc/aitio.h	2012/08/07 11:00:00	1.24.2.1
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: aitio.h,v 1.24 2012/08/02 00:47:46 misho Exp $
+* $Id: aitio.h,v 1.24.2.1 2012/08/07 11:00:00 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -170,6 +170,8 @@ typedef struct {
 #define AIT_GET_DATA(_vl)		(assert(AIT_TYPE((_vl)) == data), (_vl)->val_data)
 #define AIT_GET_BUF(_vl)		(assert(AIT_TYPE((_vl)) == buffer), (_vl)->val.buffer)
 #define AIT_GET_STR(_vl)		(assert(AIT_TYPE((_vl)) == string), (char*) (_vl)->val.string)
+#define AIT_GET_STRZ(_vl)		(assert(AIT_TYPE((_vl)) == string), (_vl)->val.string ? \
+									(char*) (_vl)->val.string : "")
 #define AIT_GET_BLOB(_vl)		(assert(AIT_TYPE((_vl)) == blob), (_vl)->val.blob)
 #define AIT_GET_U8(_vl)			(assert(AIT_TYPE((_vl)) == u8), (_vl)->val.u8)
 #define AIT_GET_U16(_vl)		(assert(AIT_TYPE((_vl)) == u16), (_vl)->val.u16)
@@ -216,7 +218,7 @@ typedef struct {
 						} } while (0)
 #define AIT_SET_STR(_vl, _v)		do { ait_val_t *__val = (_vl); const char *__s = (_v); assert(__val); \
 						__val->val_type = string; \
-						if (__s && *__s) { \
+						if (__s) { \
 							__val->val.string = (int8_t*) io_strdup(__s); \
 							AIT_LEN(__val) = strlen((const char*) \
 									__val->val.string) + 1; \