/* Copyright (C) 2005-2018 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, see

   <http://www.gnu.org/licenses/>.  */

#include <errno.h>

#include <fcntl.h>

#include <stddef.h>

#include <unistd.h>

/* Make a link to FROM relative to FROMFD called TO relative to TOFD.  */

int

linkat (int fromfd, const char *from, int tofd, const char *to, int flags)

{

  if (from == NULL || to == NULL)

    {

      __set_errno (EINVAL);

      return -1;

    }

  if ((tofd != AT_FDCWD && tofd < 0 && *to != '/')

      || (fromfd != AT_FDCWD && fromfd < 0 && *from != '/'))

    {

      __set_errno (EBADF);

      return -1;

    }

  __set_errno (ENOSYS);

  return -1;

}

stub_warning (linkat)