diff options
Diffstat (limited to 'lib/getgroups.c')
-rw-r--r-- | lib/getgroups.c | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/lib/getgroups.c b/lib/getgroups.c deleted file mode 100644 index 126f130a0..000000000 --- a/lib/getgroups.c +++ /dev/null @@ -1,66 +0,0 @@ -/* provide consistent interface to getgroups for systems that don't allow N==0 - Copyright (C) 1996, 1999, 2003 Free Software Foundation, Inc. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -/* written by Jim Meyering */ - -#ifdef HAVE_CONFIG_H -# include <config.h> -#endif -#include <stdio.h> -#include <sys/types.h> -#include <errno.h> -#include <stdlib.h> - -#include "xalloc.h" - -/* On at least Ultrix 4.3 and NextStep 3.2, getgroups (0, 0) always fails. - On other systems, it returns the number of supplemental groups for the - process. This function handles that special case and lets the system- - provided function handle all others. */ - -int -getgroups (int n, GETGROUPS_T *group) -{ - int n_groups; - GETGROUPS_T *gbuf; - int saved_errno; - -#undef getgroups - - if (n != 0) - return getgroups (n, group); - - n = 20; - while (1) - { - /* No need to worry about address arithmetic overflow here, - since the ancient systems that we're running on have low - limits on the number of secondary groups. */ - gbuf = xmalloc (n * sizeof *gbuf); - n_groups = getgroups (n, gbuf); - if (n_groups < n) - break; - free (gbuf); - n += 10; - } - - saved_errno = errno; - free (gbuf); - errno = saved_errno; - - return n_groups; -} |