/* Rename a file using relative source and destination names.  Hurd version.

   Copyright (C) 1991-2018 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 <stdio.h>

#include <hurd.h>

#include <hurd/fd.h>

/* Rename the file OLD relative to OLDFD to NEW relative to NEWFD.  */

int

__renameat (int oldfd, const char *old, int newfd, const char *new)

{

  error_t err;

  file_t olddir, newdir;

  const char *oldname, *newname;

  olddir = __directory_name_split_at (oldfd, old, (char **) &oldname);

  if (olddir == MACH_PORT_NULL)

    return -1;

  newdir = __directory_name_split_at (newfd, new, (char **) &newname);

  if (newdir == MACH_PORT_NULL)

    {

       __mach_port_deallocate (__mach_task_self (), olddir);

      return -1;

    }

  err = __dir_rename (olddir, oldname, newdir, newname, 0);

  __mach_port_deallocate (__mach_task_self (), olddir);

  __mach_port_deallocate (__mach_task_self (), newdir);

  if (err)

    return __hurd_fail (err);

  return 0;

}

libc_hidden_def (__renameat)

weak_alias (__renameat, renameat)