FOREACH_DIRENT(de, d, break) {
_cleanup_free_ char *path = NULL, *path_shifted = NULL, *session = NULL, *unit = NULL, *user_unit = NULL, *machine = NULL, *slice = NULL;
pid_t pid;
- uid_t uid = (uid_t) -1;
+ uid_t uid = UID_INVALID;
if (de->d_type != DT_DIR &&
de->d_type != DT_UNKNOWN)