--- libaitio/src/Attic/vars.c	2011/11/03 14:56:48	1.2.2.3
+++ libaitio/src/Attic/vars.c	2011/12/13 10:40:05	1.3.2.1
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: vars.c,v 1.2.2.3 2011/11/03 14:56:48 misho Exp $
+* $Id: vars.c,v 1.3.2.1 2011/12/13 10:40:05 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -429,7 +429,7 @@ io_map2vars(u_char *buf, int buflen, int vnum, int zcp
  * return: =NULL error or !=NULL allocated array
  */
 inline array_t *
-io_allocVars(u_int varnum)
+io_allocVars(int varnum)
 {
 	array_t *arr;
 	register int i;
@@ -456,13 +456,16 @@ io_allocVars(u_int varnum)
 /*
  * io_clrVars() Clear ait_val_t elements from array
  * @vars = Variable array
- * return: none
+ * return: -1 error or size of array
  */
 inline int
 io_clrVars(array_t * __restrict vars)
 {
 	register int i;
 
+	if (!vars)
+		return -1;
+
 	for (i = 0; i < io_arraySize(vars); i++)
 		if (io_arrayGet(vars, i))
 			AIT_FREE_VAL(io_array(vars, i, ait_val_t*));
@@ -484,4 +487,39 @@ io_freeVars(array_t ** __restrict vars)
 	io_clrVars(*vars);
 	io_arrayFree(*vars);
 	io_arrayDestroy(vars);
+}
+
+/*
+ * io_allocVar() Allocate memory for variable
+ * return: NULL error or new variable, after use free variable with io_freeVar()
+ */
+inline ait_val_t *
+io_allocVar(void)
+{
+	ait_val_t *v = NULL;
+
+	v = malloc(sizeof(ait_val_t));
+	if (!v) {
+		LOGERR;
+		return NULL;
+	} else
+		memset(v, 0, sizeof(ait_val_t));
+	v->val_type = empty;
+
+	return v;
+}
+
+/*
+ * io_freeVar() Free allocated memory for variable
+ * @val = Variable
+ * return: none
+ */
+inline void
+io_freeVar(ait_val_t ** __restrict val)
+{
+	if (val && *val) {
+		AIT_FREE_VAL(*val);
+		free(*val);
+		*val = NULL;
+	}
 }