+
+int sd_bus_reply_method_return(
+ sd_bus *bus,
+ sd_bus_message *call,
+ const char *types, ...) {
+
+ _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
+ va_list ap;
+ int r;
+
+ if (!bus)
+ return -EINVAL;
+ if (!call)
+ return -EINVAL;
+ if (!call->sealed)
+ return -EPERM;
+ if (call->header->type != SD_BUS_MESSAGE_TYPE_METHOD_CALL)
+ return -EINVAL;
+
+ if (call->header->flags & SD_BUS_MESSAGE_NO_REPLY_EXPECTED)
+ return 0;
+
+ r = sd_bus_message_new_method_return(bus, call, &m);
+ if (r < 0)
+ return r;
+
+ va_start(ap, types);
+ r = bus_message_append_ap(m, types, ap);
+ va_end(ap);
+ if (r < 0)
+ return r;
+
+ return sd_bus_send(bus, m, NULL);
+}
+
+int sd_bus_reply_method_error(
+ sd_bus *bus,
+ sd_bus_message *call,
+ const sd_bus_error *e) {
+
+ _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
+ int r;
+
+ if (!bus)
+ return -EINVAL;
+ if (!call)
+ return -EINVAL;
+ if (!call->sealed)
+ return -EPERM;
+ if (call->header->type != SD_BUS_MESSAGE_TYPE_METHOD_CALL)
+ return -EINVAL;
+ if (!sd_bus_error_is_set(e))
+ return -EINVAL;
+
+ if (call->header->flags & SD_BUS_MESSAGE_NO_REPLY_EXPECTED)
+ return 0;
+
+ r = sd_bus_message_new_method_error(bus, call, e, &m);
+ if (r < 0)
+ return r;
+
+ return sd_bus_send(bus, m, NULL);
+}