-/* Copyright (C) 1991, 1992, 1996, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1991,92,96,98,99,2000,2005,2011 Free Software Foundation, Inc.
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.
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 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.
+ Lesser 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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <stdio.h>
#include <grp.h>
-#ifdef USE_IN_LIBIO
-# define flockfile(s) _IO_flockfile (s)
-# define funlockfile(s) _IO_funlockfile (s)
-#endif
+#define flockfile(s) _IO_flockfile (s)
+#define funlockfile(s) _IO_funlockfile (s)
#define _S(x) x ? x : ""
{
int retval;
- if (gr == NULL || stream == NULL)
+ if (__builtin_expect (gr == NULL, 0) || __builtin_expect (stream == NULL, 0))
{
__set_errno (EINVAL);
return -1;
flockfile (stream);
- retval = fprintf (stream, "%s:%s:%u:",
- gr->gr_name, _S (gr->gr_passwd), gr->gr_gid);
- if (retval < 0)
- return -1;
+ if (gr->gr_name[0] == '+' || gr->gr_name[0] == '-')
+ retval = fprintf (stream, "%s:%s::",
+ gr->gr_name, _S (gr->gr_passwd));
+ else
+ retval = fprintf (stream, "%s:%s:%lu:",
+ gr->gr_name, _S (gr->gr_passwd),
+ (unsigned long int) gr->gr_gid);
+ if (__builtin_expect (retval, 0) < 0)
+ {
+ funlockfile (stream);
+ return -1;
+ }
if (gr->gr_mem != NULL)
{
int i;
for (i = 0 ; gr->gr_mem[i] != NULL; i++)
- if (fprintf (stream, "%c%s", i == 0 ? ':' : ',', gr->gr_mem[i]) < 0)
+ if (fprintf (stream, i == 0 ? "%s" : ",%s", gr->gr_mem[i]) < 0)
{
/* What else can we do? */
funlockfile (stream);