Fixed all warnings

impl/src/layer2/connection.c

@@ -509,6 +509,8 @@ bool connection_is_closed(const connection_ctx_t *ctx)
 		case CONN_STATE_ESTABLISHED:
 			return false;
 	}
+
+	return true;
 }
 
 

impl/test/layer2_over_udp/l2udptest_client.c

@@ -72,11 +72,6 @@ static void block_tx_for(unsigned offset_ms)
 }
 
 
-void handle_received_packet(uint8_t *packet_data, size_t packet_len)
-{
-}
-
-
 static result_t transmit(const uint8_t *data, size_t len)
 {
 	result_t result = OK;
@@ -135,7 +130,7 @@ void conn_evt_cb(struct connection_ctx_s *conn, connection_evt_t evt, void *user
 }
 
 
-int main(int argc, char **argv)
+int main(void)
 {
 	// initialize the console logger
 	logger_init();
@@ -145,8 +140,6 @@ int main(int argc, char **argv)
 		return EXIT_FAILURE;
 	}
 
-	bool on_air = true;
-
 	srand(get_hires_time());
 
 	// ** Initialize **
@@ -230,8 +223,6 @@ int main(int argc, char **argv)
 	// TODO: send connection request
 
 	while(m_running) {
-		uint64_t now = get_hires_time();
-
 		connection_evt_t evt;
 		RESULT_CHECK(connection_maintain(&l2conn, &evt));
 

impl/test/layer2_over_udp/l2udptest_digipeater.c

@@ -120,7 +120,7 @@ void rx_data_to_tun(const layer2_data_packet_t *data_packet)
 }
 
 
-int main(int argc, char **argv)
+int main(void)
 {
 	// initialize the console logger
 	logger_init();