--- libaitio/inc/aitio.h	2012/04/10 15:27:33	1.16.2.10
+++ libaitio/inc/aitio.h	2012/04/10 15:33:41	1.16.2.11
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: aitio.h,v 1.16.2.10 2012/04/10 15:27:33 misho Exp $
+* $Id: aitio.h,v 1.16.2.11 2012/04/10 15:33:41 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -615,6 +615,10 @@ int io_arrayVacuum(array_t * __restrict arr, int fromW
 						if (_fri) \
 							free(*((_arr)->arr_data + _d)); \
 						*((_arr)->arr_data + _d) = NULL; \
+					} while (0)
+#define io_arraySyncLast(_arr)		do { \
+						assert((_arr)); \
+						(_arr)->arr_last = io_arrayLen((_arr)); \
 					} while (0)
 
 /*