aboutsummaryrefslogtreecommitdiff
path: root/grp
diff options
context:
space:
mode:
Diffstat (limited to 'grp')
-rw-r--r--grp/initgroups.c33
1 files changed, 18 insertions, 15 deletions
diff --git a/grp/initgroups.c b/grp/initgroups.c
index 35af575ac7..a659f0d3ae 100644
--- a/grp/initgroups.c
+++ b/grp/initgroups.c
@@ -1,20 +1,20 @@
/* Copyright (C) 1989, 1991, 1993, 1996 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+ This file is part of the GNU C Library.
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
-The GNU C Library 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
-Library General Public License for more details.
+ The GNU C Library 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
+ Library General Public License for more details.
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
#include <alloca.h>
#include <unistd.h>
@@ -39,7 +39,9 @@ initgroups (user, group)
#else
- struct group *g;
+ struct group grpbuf, *g;
+ size_t buflen = sysconf (_SC_GETPW_R_SIZE_MAX);
+ char *tmpbuf;
register size_t n;
size_t ngroups;
gid_t *groups;
@@ -58,13 +60,14 @@ initgroups (user, group)
#endif
groups = __alloca (ngroups * sizeof *groups);
+ tmpbuf = __alloca (buflen);
setgrent ();
n = 0;
groups[n++] = group;
- while ((g = getgrent ()) != NULL)
+ while (__getgrent_r (&grpbuf, tmpbuf, buflen, &g) >= 0)
if (g->gr_gid != group)
{
register char **m;