--- libaitio/src/Attic/vars.c	2011/11/03 14:17:39	1.2.2.1
+++ 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 1.2.2.1 2011/11/03 14:17:39 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
@@ -47,14 +47,14 @@ SUCH DAMAGE.
 
 
 /*
- * io_vals2buffer() Marshaling data from array with variables to buffer
+ * io_vars2buffer() Marshaling data from array with variables to buffer
  * @buf = Buffer
  * @buflen = Size of buffer
  * @vars = Variable array
  * return: -1 error, 0 nothing done or >0 size of marshaled data
  */
 int
-io_vals2buffer(u_char *buf, int buflen, array_t *vars)
+io_vars2buffer(u_char *buf, int buflen, array_t *vars)
 {
 	int Limit = 0;
 	register int i;
@@ -126,7 +126,7 @@ io_vals2buffer(u_char *buf, int buflen, array_t *vars)
 }
 
 /*
- * io_buffer2vals() De-marshaling data from buffer to array with variables
+ * io_buffer2vars() De-marshaling data from buffer to array with variables
  * @buf = Buffer
  * @buflen = Size of buffer
  * @vnum = Number of variables into buffer
@@ -135,7 +135,7 @@ io_vals2buffer(u_char *buf, int buflen, array_t *vars)
  * return: =NULL error, !=NULL allocated variable array, after use must free with io_arrayDestroy()
  */
 array_t *
-io_buffer2vals(u_char *buf, int buflen, int vnum, int zcpy)
+io_buffer2vars(u_char *buf, int buflen, int vnum, int zcpy)
 {
 	array_t *vars;
 	int Limit = 0;
@@ -240,14 +240,14 @@ io_buffer2vals(u_char *buf, int buflen, int vnum, int 
 /* buffer marshaling without swapping bytes to network order */
 
 /*
- * io_vals2map() Marshaling data from array with variables to memory map
+ * io_vars2map() Marshaling data from array with variables to memory map
  * @buf = Buffer
  * @buflen = Size of buffer
  * @vars = Variable array
  * return: -1 error, 0 nothing done or >0 size of marshaled data
  */
 int
-io_vals2map(u_char *buf, int buflen, array_t *vars)
+io_vars2map(u_char *buf, int buflen, array_t *vars)
 {
 	int Limit = 0;
 	register int i;
@@ -319,7 +319,7 @@ io_vals2map(u_char *buf, int buflen, array_t *vars)
 }
 
 /*
- * io_map2vals() De-marshaling data from memory map to array with variables
+ * io_map2vars() De-marshaling data from memory map to array with variables
  * @buf = Buffer
  * @buflen = Size of buffer
  * @vnum = Number of variables into buffer
@@ -328,7 +328,7 @@ io_vals2map(u_char *buf, int buflen, array_t *vars)
  * return: =NULL error, !=NULL allocated variable array, after use must free with io_arrayDestroy()
  */
 array_t *
-io_map2vals(u_char *buf, int buflen, int vnum, int zcpy)
+io_map2vars(u_char *buf, int buflen, int vnum, int zcpy)
 {
 	array_t *vars;
 	int Limit = 0;
@@ -429,7 +429,7 @@ io_map2vals(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;
@@ -454,6 +454,26 @@ io_allocVars(u_int varnum)
 }
 
 /*
+ * io_clrVars() Clear ait_val_t elements from array
+ * @vars = Variable array
+ * 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*));
+
+	return io_arraySize(vars);
+}
+
+/*
  * io_freeVars() Free ait_val_t array
  * @vars = Variable array
  * return: none
@@ -461,15 +481,45 @@ io_allocVars(u_int varnum)
 inline void
 io_freeVars(array_t ** __restrict vars)
 {
-	register int i;
-
 	if (!vars || !*vars)
 		return;
 
-	for (i = 0; i < io_arraySize(*vars); i++)
-		if (io_arrayGet(*vars, i))
-			AIT_FREE_VAL(io_array(*vars, i, ait_val_t*));
-
+	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;
+	}
 }