aboutsummaryrefslogtreecommitdiff
path: root/hurd/hurdfchdir.c
diff options
context:
space:
mode:
authorRoland McGrath <roland@gnu.org>1999-02-27 20:06:34 +0000
committerRoland McGrath <roland@gnu.org>1999-02-27 20:06:34 +0000
commite8f51d56d4c4b5839fee6af97b068f9fa02efd09 (patch)
treec7eb5d292a6f8196f18e8eb137a1c62d4d307860 /hurd/hurdfchdir.c
parent4014b2cf3464ea1b70197446fa49e943323992b2 (diff)
downloadglibc-e8f51d56d4c4b5839fee6af97b068f9fa02efd09.tar
glibc-e8f51d56d4c4b5839fee6af97b068f9fa02efd09.tar.gz
glibc-e8f51d56d4c4b5839fee6af97b068f9fa02efd09.tar.bz2
glibc-e8f51d56d4c4b5839fee6af97b068f9fa02efd09.zip
1999-02-27 Roland McGrath <roland@baalperazim.frob.com>
* sysdeps/mach/getsysstats.c (__get_nprocs_conf, __get_nprocs, __get_phys_pages): Cast &HBI to silence warning. * hurd/Makefile (routines): Add hurdchdir and hurdfchdir. * hurd/hurdchdir.c: New file. * hurd/hurdfchdir.c: New file. * sysdeps/mach/hurd/chroot.c: Call _hurd_change_directory_port_from_name to do the work. * sysdeps/mach/hurd/chdir.c: Likewise. * sysdeps/mach/hurd/fchdir.c: Call _hurd_change_directory_port_from_fd to do the work. * hurd/fchroot.c: Likewise. * hurd/hurd.h: Declare them.
Diffstat (limited to 'hurd/hurdfchdir.c')
-rw-r--r--hurd/hurdfchdir.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/hurd/hurdfchdir.c b/hurd/hurdfchdir.c
new file mode 100644
index 0000000000..efb705393e
--- /dev/null
+++ b/hurd/hurdfchdir.c
@@ -0,0 +1,43 @@
+/* Change a port cell to a directory in an open file descriptor.
+ Copyright (C) 1999 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., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <unistd.h>
+#include <hurd.h>
+#include <hurd/port.h>
+#include <hurd/fd.h>
+#include <fcntl.h>
+
+int
+_hurd_change_directory_port_from_fd (struct hurd_port *portcell, int fd)
+{
+ error_t err;
+ file_t dir;
+
+ err = HURD_DPORT_USE (fd,
+ ({
+ dir = __file_name_lookup_under (port, ".", 0, 0);
+ dir == MACH_PORT_NULL ? errno : 0;
+ }));
+
+ if (! err)
+ _hurd_port_set (portcell, dir);
+
+ return err ? __hurd_fail (err) : 0;
+}