offsetofend
(((rp_size) >= offsetofend(repository_door_request_t, f)) ? \
offsetofend(repository_door_request_t, rdr_request)) == -1 ||
if (arg_size < offsetofend(repository_door_request_t, rdr_version)) {
if (arg_size < offsetofend(repository_door_request_t, rdr_request)) {