Sat Jun 22 21:29:52 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>

[thirdparty/glibc.git] / grp / fgetgrent.c

/* Copyright (C) 1991 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.

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.  */

#include <ansidecl.h>
#include <errno.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <grp.h>


/* Read a group entry from STREAM.  */
struct group *
DEFUN(fgetgrent, (stream), FILE *stream)
{
  static PTR info = NULL;
  if (info == NULL)
    {
      info = __grpalloc();
      if (info == NULL)
	return NULL;
    }

  return __grpread(stream, info);
}