fix build warning when LOG_LEVEL < LOG_INFO_LEVEL

ajaybhargav · ajaybhargav · commit b441ab9f8ef3 · 2024-02-23T14:21:01.000+05:30
Compiler generate unused variable 'i' warning in mqtt_list_subscribe_topic
when MQTT_LOG_LEVEL &lt; MQTT_LOG_INFO_LEVEL.

Signed-off-by: Ajay Bhargav &lt;ajay.bhargav@waybyte.in&gt;
diff --git a/mqttclient/mqttclient.c b/mqttclient/mqttclient.c
@@ -1463,6 +1463,8 @@ int mqtt_publish(mqtt_client_t* c, const char* topic_filter, mqtt_message_t* msg
 int mqtt_list_subscribe_topic(mqtt_client_t* c)
 {
     int i = 0;
+
+    (void) i; /* prevent compiler warning */
     mqtt_list_t *curr, *next;
     message_handlers_t *msg_handler;
     

Original file line number	Diff line number	Diff line change
`@@ -1463,6 +1463,8 @@ int mqtt_publish(mqtt_client_t* c, const char* topic_filter, mqtt_message_t* msg`
`1463`	`1463`	`int mqtt_list_subscribe_topic(mqtt_client_t* c)`
`1464`	`1464`	`{`
`1465`	`1465`	`int i = 0;`
	`1466`	`+`
	`1467`	`+ (void) i; /* prevent compiler warning */`
`1466`	`1468`	`mqtt_list_t curr, next;`
`1467`	`1469`	`message_handlers_t *msg_handler;`
`1468`	`1470`