* Exim - an Internet mail transport agent *
*************************************************/
+/* Copyright (c) The Exim Maintainers 2023 */
/* Copyright (c) Jeremy Harris 2019-2020 */
/* See the file NOTICE for conditions of use and distribution. */
/* SPDX-License-Identifier: GPL-2.0-or-later */
if (ob->server_param2)
{
uschar * s = expand_string(ob->server_param2);
- auth_vars[expand_nmax] = s;
+ auth_vars[expand_nmax = 1] = s;
expand_nstring[++expand_nmax] = s;
expand_nlength[expand_nmax] = Ustrlen(s);
if (ob->server_param3)