+ void *userdata,
+ sd_bus_error *error) {
+
+ uint64_t sz = *(size_t*) userdata;
+
+ return sd_bus_message_append_basic(reply, 't', &sz);
+}
+#endif
+
+#if __SIZEOF_LONG__ != 8
+int bus_property_get_long(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ int64_t l = *(long*) userdata;
+
+ return sd_bus_message_append_basic(reply, 'x', &l);
+}
+
+int bus_property_get_ulong(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ uint64_t ul = *(unsigned long*) userdata;
+
+ return sd_bus_message_append_basic(reply, 't', &ul);
+}
+#endif
+
+int bus_log_parse_error(int r) {
+ log_error("Failed to parse message: %s", strerror(-r));
+ return r;
+}
+
+int bus_log_create_error(int r) {
+ log_error("Failed to create message: %s", strerror(-r));
+ return r;
+}
+
+int bus_parse_unit_info(sd_bus_message *message, UnitInfo *u) {
+ assert(message);
+ assert(u);
+
+ return sd_bus_message_read(
+ message,
+ "(ssssssouso)",
+ &u->id,
+ &u->description,
+ &u->load_state,
+ &u->active_state,
+ &u->sub_state,
+ &u->following,
+ &u->unit_path,
+ &u->job_id,
+ &u->job_type,
+ &u->job_path);
+}
+
+int bus_maybe_reply_error(sd_bus_message *m, int r, sd_bus_error *error) {
+ assert(m);
+
+ if (r < 0) {
+ if (m->header->type == SD_BUS_MESSAGE_METHOD_CALL)
+ sd_bus_reply_method_errno(m, r, error);
+
+ } else if (sd_bus_error_is_set(error)) {
+ if (m->header->type == SD_BUS_MESSAGE_METHOD_CALL)
+ sd_bus_reply_method_error(m, error);
+ } else
+ return r;