summaryrefslogtreecommitdiff
path: root/libnetfs/file-get-storage-info.c
blob: 05232e855f910f6773b28b1b3e496dcc91e97483 (plain)
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
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
/* 
   Copyright (C) 1995, 1996 Free Software Foundation, Inc.
   Written by Michael I. Bushnell, p/BSG.

   This file is part of the GNU Hurd.

   The GNU Hurd is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public License as
   published by the Free Software Foundation; either version 2, or (at
   your option) any later version.

   The GNU Hurd 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
   General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA. */

#include "netfs.h"
#include "fs_S.h"

error_t
netfs_S_file_get_storage_info (struct protid *user,
				mach_port_t **ports,
				mach_msg_type_name_t *ports_type,
				mach_msg_type_number_t *num_ports,
				int **ints, mach_msg_type_number_t *num_ints,
				off_t **offsets,
				mach_msg_type_number_t *num_offsets,
				char **data, mach_msg_type_number_t *data_len)
{
  if (!user)
    return EOPNOTSUPP;
  
  *data_len = 0;
  *num_offsets = 0;
  *num_ports = 0;

  if (*num_ints == 0)
    /* Argh */
    {
      error_t err =
	vm_allocate (mach_task_self (), (vm_address_t *)ints, sizeof (int), 1);
      if (err)
	return err;
    }

  *num_ints = 1;
  (*ints)[0] = STORAGE_NETWORK;

  return 0;
}