--- libelwix/inc/elwix/avar.h	2013/08/21 16:04:14	1.5.2.1
+++ libelwix/inc/elwix/avar.h	2019/09/24 15:49:52	1.11
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: avar.h,v 1.5.2.1 2013/08/21 16:04:14 misho Exp $
+* $Id: avar.h,v 1.11 2019/09/24 15:49:52 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 - 2019
 	by Michael Pounov <misho@elwix.org>.  All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
@@ -57,7 +57,7 @@ typedef enum {
 	i8, i16, i32, i64,		/* integers ... */
 } ait_type_t;
 
-typedef struct {
+typedef struct __packed {
 	uint8_t		val_type;
 	union {
 		struct {
@@ -93,7 +93,7 @@ typedef struct {
 		int64_t		i64;
 	} val;
 	uint8_t		val_data[0];
-} __packed ait_val_t;	/* sizeof 16 bytes */
+} /*__packed*/ ait_val_t;	/* sizeof 16 bytes */
 
 #define AIT_TYPE(_vl)			((ait_type_t) (_vl)->val_type)
 #define AIT_LEN(_vl)			(_vl)->val_len
@@ -308,6 +308,7 @@ typedef struct {
 								break; \
 						} \
 					} while (0)
+/* Additional helper macro, which can help about copy data variables */
 #define AIT_COPY_DATA(_vl, _v)          do { AIT_COPY_VAL((_vl), (_v)); \
 						if (AIT_TYPE((_vl)) == data) \
 							AIT_SET_DATA((_vl), AIT_GET_DATA((_v)), \
@@ -318,6 +319,7 @@ typedef struct {
 						.val_key = 0, .val_len = 0, \
 						.val.net = 0LL \
 					}
+#define AIT_VAL_INIT			AIT_VAL_INITIALIZER()
 #define AIT_INIT_VAL(_vl)		(memset((_vl), 0, sizeof(ait_val_t)))
 #define AIT_INIT_VAL2(_vl, _t)		do { \
 						AIT_INIT_VAL((_vl)); \
@@ -508,9 +510,9 @@ ait_val_t *ait_getVars(array_t ** __restrict vars, int
  * 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 ait_resideVars(array_t * __restrict vars);
+size_t ait_resideVars(array_t * __restrict vars);
 /*
  * ait_sortVarsByKey() - Sorting array with variables by key
  *