clang-tidy modernize-use-nullptr

src/modules/mavlink/mavlink_log_handler.cpp

@@ -64,7 +64,7 @@ static const char *kTmpData    = MOUNTPOINT "/$log$.txt";
 
 //-------------------------------------------------------------------
 static bool
-stat_file(const char *file, time_t *date = 0, uint32_t *size = 0)
+stat_file(const char *file, time_t *date = nullptr, uint32_t *size = nullptr)
 {
 	struct stat st;
 
@@ -89,7 +89,7 @@ MavlinkLogHandler::new_instance(Mavlink *mavlink)
 //-------------------------------------------------------------------
 MavlinkLogHandler::MavlinkLogHandler(Mavlink *mavlink)
 	: MavlinkStream(mavlink)
-	, _pLogHandlerHelper(0)
+	, _pLogHandlerHelper(nullptr)
 {
 
 }
@@ -184,7 +184,7 @@ MavlinkLogHandler::_log_request_list(const mavlink_message_t *msg)
 		//-- Is this a new request?
 		if ((request.end - request.start) > _pLogHandlerHelper->log_count) {
 			delete _pLogHandlerHelper;
-			_pLogHandlerHelper = NULL;
+			_pLogHandlerHelper = nullptr;
 		}
 	}
 
@@ -269,7 +269,7 @@ MavlinkLogHandler::_log_request_erase(const mavlink_message_t * /*msg*/)
 	*/
 	if (_pLogHandlerHelper) {
 		delete _pLogHandlerHelper;
-		_pLogHandlerHelper = 0;
+		_pLogHandlerHelper = nullptr;
 	}
 
 	//-- Delete all logs
@@ -305,7 +305,7 @@ MavlinkLogHandler::_log_request_end(const mavlink_message_t * /*msg*/)
 
 	if (_pLogHandlerHelper) {
 		delete _pLogHandlerHelper;
-		_pLogHandlerHelper = 0;
+		_pLogHandlerHelper = nullptr;
 	}
 }
 
@@ -378,7 +378,7 @@ LogListHelper::LogListHelper()
 	, current_log_size(0)
 	, current_log_data_offset(0)
 	, current_log_data_remaining(0)
-	, current_log_filep(0)
+	, current_log_filep(nullptr)
 {
 	_init();
 }
@@ -435,7 +435,7 @@ LogListHelper::open_for_transmit()
 {
 	if (current_log_filep) {
 		::fclose(current_log_filep);
-		current_log_filep = 0;
+		current_log_filep = nullptr;
 	}
 
 	current_log_filep = ::fopen(current_log_filename, "rb");
@@ -605,7 +605,7 @@ LogListHelper::_get_log_time_size(const char *path, const char *file, time_t &da
 				if (sscanf(&file[3], "%u", &u) == 1) {
 					date += (u * 60);
 
-					if (stat_file(path, 0, &size)) {
+					if (stat_file(path, nullptr, &size)) {
 						return true;
 					}
 				}

src/modules/mavlink/mavlink_main.cpp

@@ -1062,7 +1062,7 @@ Mavlink::find_broadcast_address()
 #else
 	// On Linux, we can determine the required size of the
 	// buffer first by providing NULL to ifc_req.
-	ifconf.ifc_req = NULL;
+	ifconf.ifc_req = nullptr;
 	ifconf.ifc_len = 0;
 
 	ret = ioctl(_socket_fd, SIOCGIFCONF, &ifconf);
@@ -1455,7 +1455,7 @@ Mavlink::message_buffer_init(int size)
 
 	int ret;
 
-	if (_message_buffer.data == 0) {
+	if (_message_buffer.data == nullptr) {
 		ret = PX4_ERROR;
 		_message_buffer.size = 0;
 
@@ -1718,7 +1718,7 @@ Mavlink::task_main(int argc, char *argv[])
 	 * set error flag instead */
 	bool err_flag = false;
 	int myoptind = 1;
-	const char *myoptarg = NULL;
+	const char *myoptarg = nullptr;
 #ifdef __PX4_POSIX
 	char *eptr;
 	int temp_int_arg;
@@ -1727,7 +1727,7 @@ Mavlink::task_main(int argc, char *argv[])
 	while ((ch = px4_getopt(argc, argv, "b:r:d:u:o:m:t:fpvwx", &myoptind, &myoptarg)) != EOF) {
 		switch (ch) {
 		case 'b':
-			_baudrate = strtoul(myoptarg, NULL, 10);
+			_baudrate = strtoul(myoptarg, nullptr, 10);
 
 			if (_baudrate < 9600 || _baudrate > 3000000) {
 				warnx("invalid baud rate '%s'", myoptarg);
@@ -1737,7 +1737,7 @@ Mavlink::task_main(int argc, char *argv[])
 			break;
 
 		case 'r':
-			_datarate = strtoul(myoptarg, NULL, 10);
+			_datarate = strtoul(myoptarg, nullptr, 10);
 
 			if (_datarate < 10 || _datarate > MAX_DATA_RATE) {
 				warnx("invalid data rate '%s'", myoptarg);
@@ -1905,7 +1905,7 @@ Mavlink::task_main(int argc, char *argv[])
 	}
 
 	/* initialize send mutex */
-	pthread_mutex_init(&_send_mutex, NULL);
+	pthread_mutex_init(&_send_mutex, nullptr);
 
 	/* if we are passing on mavlink messages, we need to prepare a buffer for this instance */
 	if (_forwarding_on || _ftp_on) {
@@ -1919,7 +1919,7 @@ Mavlink::task_main(int argc, char *argv[])
 		}
 
 		/* initialize message buffer mutex */
-		pthread_mutex_init(&_message_buffer_mutex, NULL);
+		pthread_mutex_init(&_message_buffer_mutex, nullptr);
 	}
 
 	/* Initialize system properties */
@@ -2366,7 +2366,7 @@ Mavlink::task_main(int argc, char *argv[])
 	}
 
 	/* first wait for threads to complete before tearing down anything */
-	pthread_join(_receive_thread, NULL);
+	pthread_join(_receive_thread, nullptr);
 
 	delete _subscribe_to_stream;
 	_subscribe_to_stream = nullptr;

src/modules/mavlink/mavlink_tests/mavlink_ftp_test.cpp

@@ -74,7 +74,7 @@ MavlinkFtpTest::~MavlinkFtpTest()
 void MavlinkFtpTest::_init(void)
 {
 	_expected_seq_number = 0;
-	_ftp_server = new MavlinkFTP(NULL);
+	_ftp_server = new MavlinkFTP(nullptr);
 	_ftp_server->set_unittest_worker(MavlinkFtpTest::receive_message_handler_generic, this);
 
 	_cleanup_microsd();