+int sd_bus_message_new_method_errorf(
+ sd_bus *bus,
+ sd_bus_message *call,
+ sd_bus_message **m,
+ const char *name,
+ const char *format,
+ ...) {
+
+ _cleanup_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ va_list ap;
+ int r;
+
+ assert_return(name, -EINVAL);
+ assert_return(m, -EINVAL);
+
+ va_start(ap, format);
+ r = bus_error_setfv(&error, name, format, ap);
+ va_end(ap);
+
+ if (r < 0)
+ return r;
+
+ return sd_bus_message_new_method_error(bus, call, &error, m);
+}
+
+int sd_bus_message_new_method_errno(
+ sd_bus *bus,
+ sd_bus_message *call,
+ int error,
+ const sd_bus_error *p,
+ sd_bus_message **m) {
+
+ _cleanup_free_ sd_bus_error berror = SD_BUS_ERROR_NULL;
+
+ if (sd_bus_error_is_set(p))
+ return sd_bus_message_new_method_error(bus, call, p, m);
+
+ sd_bus_error_set_errno(&berror, error);
+
+ return sd_bus_message_new_method_error(bus, call, &berror, m);
+}
+
+int sd_bus_message_new_method_errnof(
+ sd_bus *bus,
+ sd_bus_message *call,
+ sd_bus_message **m,
+ int error,
+ const char *format,
+ ...) {
+
+ _cleanup_free_ sd_bus_error berror = SD_BUS_ERROR_NULL;
+ va_list ap;
+ int r;
+
+ va_start(ap, format);
+ r = bus_error_set_errnofv(&berror, error, format, ap);
+ va_end(ap);
+
+ if (r < 0)
+ return r;
+
+ return sd_bus_message_new_method_error(bus, call, &berror, m);
+}
+
+int bus_message_new_synthetic_error(
+ sd_bus *bus,
+ uint64_t serial,
+ const sd_bus_error *e,
+ sd_bus_message **m) {
+
+ sd_bus_message *t;
+ int r;
+
+ assert(sd_bus_error_is_set(e));
+ assert(m);
+
+ t = message_new(bus, SD_BUS_MESSAGE_METHOD_ERROR);
+ if (!t)
+ return -ENOMEM;
+
+ t->header->flags |= SD_BUS_MESSAGE_NO_REPLY_EXPECTED;
+ t->reply_serial = serial;
+
+ r = message_append_field_uint32(t, SD_BUS_MESSAGE_HEADER_REPLY_SERIAL, t->reply_serial);
+ if (r < 0)
+ goto fail;
+
+ if (bus && bus->unique_name) {
+ r = message_append_field_string(t, SD_BUS_MESSAGE_HEADER_DESTINATION, SD_BUS_TYPE_STRING, bus->unique_name, &t->destination);
+ if (r < 0)
+ goto fail;
+ }
+
+ r = message_append_field_string(t, SD_BUS_MESSAGE_HEADER_ERROR_NAME, SD_BUS_TYPE_STRING, e->name, &t->error.name);
+ if (r < 0)
+ goto fail;
+
+ if (e->message) {
+ r = message_append_basic(t, SD_BUS_TYPE_STRING, e->message, (const void**) &t->error.message);
+ if (r < 0)
+ goto fail;
+ }
+
+ *m = t;
+ return 0;
+
+fail:
+ message_free(t);
+ return r;
+}
+