From 28f540f45bbacd939bfd07f213bcad2bf730b1bf Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sat, 18 Feb 1995 01:27:10 +0000 Subject: initial import --- hurd/fchroot.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 hurd/fchroot.c (limited to 'hurd/fchroot.c') diff --git a/hurd/fchroot.c b/hurd/fchroot.c new file mode 100644 index 0000000000..cccf1391be --- /dev/null +++ b/hurd/fchroot.c @@ -0,0 +1,43 @@ +/* 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 +#include +#include +#include + +/* 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; +} -- cgit 1.4.1