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- /* Copyright (C) 1991, 1992, 1993, 1994 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>
-
- /* Change the current root directory to FD. */
- int
- DEFUN(fchroot, (fd), int fd)
- {
- error_t err;
- file_t dir;
-
- err = __USEPORT (CRDIR,
- ({ file_t crdir = port;
- HURD_DPORT_USE (fd,
- __hurd_file_name_lookup (crdir, port, "",
- 0, 0, &dir));
- }));
-
- if (err)
- return __hurd_fail (err);
-
- _hurd_port_set (&_hurd_ports[INIT_PORT_CRDIR], dir);
- return 0;
- }
-