--- libaitmqtt/inc/aitmqtt.h	2012/04/27 16:02:16	1.1.1.1.2.14
+++ libaitmqtt/inc/aitmqtt.h	2012/06/11 08:37:41	1.1.1.1.2.15
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: aitmqtt.h,v 1.1.1.1.2.14 2012/04/27 16:02:16 misho Exp $
+* $Id: aitmqtt.h,v 1.1.1.1.2.15 2012/06/11 08:37:41 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -224,6 +224,13 @@ inline void mqtt_msgFree(mqtt_msg_t ** __restrict msg,
  * return: -1 error or >-1 old buffer length
  */
 inline int mqtt_msgRealloc(mqtt_msg_t * __restrict msg, unsigned short len);
+/*
+ * mqtt_msgDup() - Duplicate message buffer
+ *
+ * @msg = Message
+ * return: NULL error or !=NULL duplicated message, after use must call mqtt_msgFree() with all!=0
+ */
+inline mqtt_msg_t *mqtt_msgDup(mqtt_msg_t * __restrict msg);
 
 /*
  * mqtt_expandTopic() - Expanding topic to regular expression
@@ -515,7 +522,7 @@ int mqtt_readPINGRESP(mqtt_msg_t * __restrict buf);
  * @psTopic = Topic
  * @topicLen = Topic length
  * @msgID = MessageID
- * @pData = Data buffer
+ * @pData = Data buffer, may be NULL
  * return: -1 error or !=-1 allocated data buffer length
  */
 int mqtt_readPUBLISH(mqtt_msg_t * __restrict buf, char * __restrict psTopic,