Use Mosquitto's built-in handler for getting error message descriptions

mosquitto.c

@@ -701,44 +701,22 @@ static zend_object_value mosquitto_client_object_new(zend_class_entry *ce TSRMLS
 }
 
 void php_mosquitto_handle_errno(int retval, int err TSRMLS_DC) {
- char *message = NULL;
+ const char *message;
 
  switch (retval) {
  case MOSQ_ERR_SUCCESS:
- default:
  return;
 
- case MOSQ_ERR_INVAL:
- message = estrdup("Invalid input parameter");
- break;
-
- case MOSQ_ERR_NOMEM:
- message = estrdup("Insufficient memory");
- break;
-
- case MOSQ_ERR_NO_CONN:
- message = estrdup("The client is not connected to a broker");
- break;
-
- case MOSQ_ERR_CONN_LOST:
- message = estrdup("Connection lost");
- break;
-
- case MOSQ_ERR_PROTOCOL:
- message = estrdup("There was a protocol error communicating with the broker.");
- break;
-
- case MOSQ_ERR_PAYLOAD_SIZE:
- message = estrdup("Payload is too large");
- break;
-
  case MOSQ_ERR_ERRNO:
  message = php_mosquitto_strerror_wrapper(errno);
  break;
+
+ default:
+ message = mosquitto_strerror(retval);
+ break;
  }
 
- zend_throw_exception(mosquitto_ce_exception, message, 0 TSRMLS_CC);
- efree(message);
+ zend_throw_exception(mosquitto_ce_exception, (char *) message, 0 TSRMLS_CC);
 }
 
 PHP_MOSQUITTO_API void php_mosquitto_connect_callback(struct mosquitto *mosq, void *obj, int rc)