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/* Copyright (C) 1996, 1997, 2000, 2002 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 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

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, write to the Free

   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA

   02111-1307 USA.  */

#include <errno.h>

#include <netdb.h>

#include <stdlib.h>

#define _IO_MTSAFE_IO

#include <bits/libc-lock.h>

#include "libc-symbols.h"

/* Static buffer for return value.  We allocate it when needed.  */

libc_freeres_ptr (static char *buffer);

/* All three strings should fit in a block of 1kB size.  */

#define BUFSIZE 1024

static void

allocate (void)

{

  buffer = (char *) malloc (BUFSIZE);

}

int

getnetgrent (char **hostp, char **userp, char **domainp)

{

  __libc_once_define (static, once);

  __libc_once (once, allocate);

  if (buffer == NULL)

    {

      __set_errno (ENOMEM);

      return -1;

    }

  return __getnetgrent_r (hostp, userp, domainp, buffer, BUFSIZE);

}