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/* Copyright (C) 1991, 1992, 1993, 1994, 1995 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 <unistd.h>
#include <hurd.h>
#include <hurd/fd.h>
#include <fcntl.h>
/* Change the current root directory to FD. */
int
DEFUN(fchroot, (fd), int fd)
{
error_t err;
file_t dir;
err = HURD_DPORT_USE (fd, (dir = __file_name_lookup_under (port, "",
O_EXEC, 0),
errno));
if (! err)
_hurd_port_set (&_hurd_ports[INIT_PORT_CRDIR], dir);
return err ? __hurd_fail (err) : 0;
}
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