/* SPDX-License-Identifier: LGPL-2.1+ */ /*** This file is part of systemd. Copyright 2013 Zbigniew Jędrzejewski-Szmek ***/ #include #include "login-util.h" #include "string-util.h" bool session_id_valid(const char *id) { if (isempty(id)) return false; return id[strspn(id, LETTERS DIGITS)] == '\0'; }