Don't assign msgid if qos == 0

07ed16ca · Ian Craggs · f563d800 · 07ed16ca
Commit 07ed16ca authored Jul 22, 2014 by Ian Craggs
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MQTTAsync.c src/MQTTAsync.c +1 -1

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--- a/src/MQTTAsync.c
+++ b/src/MQTTAsync.c
@@ -2298,7 +2298,7 @@ int MQTTAsync_send(MQTTAsync handle, const char* destinationName, size_t payload
 		rc = MQTTASYNC_BAD_UTF8_STRING;
 	else if (qos < 0 || qos > 2)
 		rc = MQTTASYNC_BAD_QOS;
-	else if (MQTTProtocol_assignMsgId(m->c) == 0)
+	else if (qos > 0 && MQTTProtocol_assignMsgId(m->c) == 0)
 		rc = MQTTASYNC_NO_MORE_MSGIDS;

 	if (rc != MQTTASYNC_SUCCESS)