Fix: Unused variable warning. (aws#765)

Unused variable warning when AWS_IOT_MQTT_ENABLE_METRICS is set to 0.
leegeth · Aug 31, 2020 · a8ac7ca · a8ac7ca
1 parent 76d478d
commit a8ac7ca
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/libraries/standard/mqtt/src/iot_mqtt_serialize.c b/libraries/standard/mqtt/src/iot_mqtt_serialize.c
@@ -522,6 +522,9 @@ static uint8_t * _encodeUserName( uint8_t * pDestination,
     uint8_t * pBuffer = pDestination;
     const char * pMetricsUserName = NULL;
 
+    /* Avoid unused variable warning when AWS_IOT_MQTT_ENABLE_METRICS is set to 0 */
+    ( void ) pMetricsUserName;
+
     /* If metrics are enabled, write the metrics username into the CONNECT packet.
      * Otherwise, write the username and password only when not connecting to the
      * AWS IoT MQTT server. */