1 /* provide consistent interface to getgroups for systems that don't allow N==0
2 Copyright (C) 1996 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software Foundation,
16 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
18 /* written by Jim Meyering */
22 #include <sys/types.h>
26 /* On Ultrix 4.3, getgroups (0, 0) always fails.
27 This function handles that special case and lets the system-
28 provided function handle all others. */
41 return getgroups (n, group);
47 gbuf = (GETGROUPS_T *) xrealloc (gbuf, n * sizeof (GETGROUPS_T));
48 ng = getgroups (n, gbuf);