--- libaitio/inc/aitio.h	2012/09/10 12:03:55	1.25.2.3
+++ libaitio/inc/aitio.h	2012/09/19 15:19:53	1.26
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: aitio.h,v 1.25.2.3 2012/09/10 12:03:55 misho Exp $
+* $Id: aitio.h,v 1.26 2012/09/19 15:19:53 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -401,7 +401,7 @@ typedef union {
 #define IO_SOCKADDR_INIT	{ .ss = { 0 } }
 
 
-#define io_align(x, a)		(((x) + (a)) & ~(a))
+#define io_align(x, a)		(((x) + ((a) - 1)) & ~((a) - 1))
 
 
 // io_GetErrno() Get error code of last operation
@@ -570,6 +570,14 @@ inline int io_setlikeVar(ait_val_t * __restrict v, ait
  * return: -1 error or >0 copied bytes to variable
  */
 int io_sprintfVar(ait_val_t * __restrict v, const char *fmt, ...);
+/*
+ * io_cmpVar() - Compare two variables
+ *
+ * @a = 1st variable
+ * @b = 2nd variable
+ * return: 0 is equal or !=0 is different
+ */
+inline int io_cmpVar(ait_val_t * __restrict a, ait_val_t * __restrict b);
 /*
  * io_hashVar() - Generate hash key for variable from string or value
  *