summary refs log tree commit diff
path: root/sysdeps/mach/hurd/lgetxattr.c
blob: f1adfb365deefab5159332f5f23d2ffd53d17511 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
/* Access to extended attributes on files.  Hurd version.
   Copyright (C) 2004-2016 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, see
   <http://www.gnu.org/licenses/>.  */

#include <errno.h>
#include <sys/xattr.h>
#include <hurd.h>
#include <hurd/xattr.h>
#include <fcntl.h>

ssize_t
lgetxattr (const char *path, const char *name, void *value, size_t size)
{
  error_t err;
  file_t port = __file_name_lookup (path, O_NOLINK, 0);
  if (port == MACH_PORT_NULL)
    return -1;
  err = _hurd_xattr_get (port, name, value, &size);
  __mach_port_deallocate (__mach_task_self (), port);
  return err ? __hurd_fail (err) : size;
}