41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
/* 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 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, 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)
|
|
{
|
|
int ret;
|
|
struct hurd_fd *d = _hurd_fd_get (fd);
|
|
|
|
if (!d)
|
|
return __hurd_fail (EBADF);
|
|
|
|
HURD_CRITICAL_BEGIN;
|
|
|
|
ret = HURD_PORT_USE (&d->port,
|
|
({
|
|
int ret;
|
|
file_t dir = __file_name_lookup_under (port, ".",
|
|
0, 0);
|
|
if (dir == MACH_PORT_NULL)
|
|
ret = -1;
|
|
else
|
|
{
|
|
_hurd_port_set (portcell, dir);
|
|
ret = 0;
|
|
}
|
|
ret;
|
|
}));
|
|
|
|
HURD_CRITICAL_END;
|
|
|
|
return ret;
|
|
}
|