--- libelwix/src/vars.c	2013/08/21 16:08:51	1.4.20.2
+++ libelwix/src/vars.c	2016/05/18 12:47:42	1.9
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: vars.c,v 1.4.20.2 2013/08/21 16:08:51 misho Exp $
+* $Id: vars.c,v 1.9 2016/05/18 12:47:42 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -12,7 +12,7 @@ terms:
 All of the documentation and software included in the ELWIX and AITNET
 Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
 
-Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
+Copyright 2004 - 2015
 	by Michael Pounov <misho@elwix.org>.  All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
@@ -409,11 +409,25 @@ ait_clrVars(array_t * __restrict vars)
 void
 ait_freeVars(array_t ** __restrict vars)
 {
+	register int i;
+	ait_val_t *v;
+
 	if (!vars || !*vars)
 		return;
 
-	ait_clrVars(*vars);
-	array_Free(*vars);
+	for (i = 0; i < array_Size(*vars); i++)
+		if ((v = array(*vars, i, ait_val_t*))) {
+			/* free memory if isn't zero copy */
+			if (!AIT_IN(v)) {
+				AIT_FREE_VAL(v);
+				if ((*vars)->arr_data[i])
+					e_free((*vars)->arr_data[i]);
+			} else
+				AIT_FREE_VAL(v);
+			(*vars)->arr_data[i] = NULL;
+		}
+	(*vars)->arr_last = -1;
+
 	array_Destroy(vars);
 }
 
@@ -421,30 +435,29 @@ ait_freeVars(array_t ** __restrict vars)
  * ait_resideVars() - Calculate footprint of resided variables into array
  *
  * @vars = Variable array
- * return: -1 error or !=-1 bytes for whole array
+ * return: bytes for whole array
  */
-ssize_t
+size_t
 ait_resideVars(array_t * __restrict vars)
 {
-	ssize_t ret = 0;
+	size_t ret = 0;
 	register int i;
 
-	if (!vars)
-		return -1;
+	if (vars) {
+		ret = array_Size(vars) * sizeof(ait_val_t);
+		for (i = 0; i < array_Size(vars); i++)
+			switch (AIT_TYPE(array(vars, i, ait_val_t*))) {
+				case buffer:
+				case string:
+				case data:
+				case ptr:
+					ret += AIT_LEN(array(vars, i, ait_val_t*));
+					break;
+				default:
+					break;
+			}
+	}
 
-	ret = array_Size(vars) * sizeof(ait_val_t);
-	for (i = 0; i < array_Size(vars); i++)
-		switch (AIT_TYPE(array(vars, i, ait_val_t*))) {
-			case buffer:
-			case string:
-			case data:
-			case ptr:
-				ret += AIT_LEN(array(vars, i, ait_val_t*));
-				break;
-			default:
-				break;
-		}
-
 	return ret;
 }
 
@@ -781,23 +794,21 @@ ait_sprintfVar(ait_val_t * __restrict v, const char *f
 {
 	int ret = 0;
 	va_list lst;
-	char *str = NULL;
+	char str[STRSIZ] = { [0 ... STRSIZ - 1] = 0 };
 
 	if (!v || !fmt)
 		return -1;
 
 	va_start(lst, fmt);
-	ret = vasprintf(&str, fmt, lst);
+	ret = vsnprintf(str, sizeof str - 1, fmt, lst);
 	va_end(lst);
 
-	if (str && ret > -1) {
+	if (ret > -1) {
 		AIT_FREE_VAL(v);
 		AIT_SET_STR(v, str);
 	} else
 		LOGERR;
 
-	if (str)
-		free(str);
 	return ret;
 }