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.
58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
/* Change a port cell to a directory by looking up a name.
|
|
Copyright (C) 1999, 2001 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>
|
|
#include <string.h>
|
|
|
|
int
|
|
_hurd_change_directory_port_from_name (struct hurd_port *portcell,
|
|
const char *name)
|
|
{
|
|
size_t len;
|
|
const char *lookup;
|
|
file_t dir;
|
|
|
|
/* Append trailing "/." to directory name to force ENOTDIR if it's not a
|
|
directory and EACCES if we don't have search permission. */
|
|
len = strlen (name);
|
|
if (name[len - 2] == '/' && name[len - 1] == '.')
|
|
lookup = name;
|
|
else
|
|
{
|
|
char *n = alloca (len + 2);
|
|
memcpy (n, name, len);
|
|
n[len] = '/';
|
|
n[len + 1] = '.';
|
|
n[len + 2] = '\0';
|
|
lookup = n;
|
|
}
|
|
|
|
dir = __file_name_lookup (lookup, 0, 0);
|
|
if (dir == MACH_PORT_NULL)
|
|
return -1;
|
|
|
|
_hurd_port_set (portcell, dir);
|
|
return 0;
|
|
}
|