1 |
|
|
/* $OpenBSD: statvfs.c,v 1.2 2015/01/16 16:48:51 deraadt Exp $ */ |
2 |
|
|
|
3 |
|
|
/* |
4 |
|
|
* Copyright (c) 2008 Otto Moerbeek <otto@drijf.net> |
5 |
|
|
* |
6 |
|
|
* Permission to use, copy, modify, and distribute this software for any |
7 |
|
|
* purpose with or without fee is hereby granted, provided that the above |
8 |
|
|
* copyright notice and this permission notice appear in all copies. |
9 |
|
|
* |
10 |
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
11 |
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
12 |
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
13 |
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
14 |
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
15 |
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
16 |
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
17 |
|
|
*/ |
18 |
|
|
|
19 |
|
|
#include <sys/types.h> |
20 |
|
|
#include <sys/mount.h> |
21 |
|
|
#include <sys/statvfs.h> |
22 |
|
|
|
23 |
|
|
static void |
24 |
|
|
cvt_statfs_to_statvfs(const struct statfs *fsp, struct statvfs *vfsp) |
25 |
|
|
{ |
26 |
|
|
vfsp->f_bsize = fsp->f_iosize; /* XXX */ |
27 |
|
|
vfsp->f_frsize = fsp->f_bsize; /* XXX */ |
28 |
|
|
|
29 |
|
|
vfsp->f_blocks = fsp->f_blocks; |
30 |
|
|
vfsp->f_bfree = fsp->f_bfree; |
31 |
|
|
vfsp->f_bavail = fsp->f_bavail < 0 ? 0 : fsp->f_bavail; |
32 |
|
|
|
33 |
|
|
vfsp->f_files = fsp->f_files; |
34 |
|
|
vfsp->f_ffree = fsp->f_ffree; |
35 |
|
|
vfsp->f_favail = fsp->f_favail < 0 ? 0 : fsp->f_favail; |
36 |
|
|
|
37 |
|
|
vfsp->f_fsid = fsp->f_fsid.val[0]; /* XXX */ |
38 |
|
|
vfsp->f_flag = 0; |
39 |
|
|
if (fsp->f_flags & MNT_RDONLY) |
40 |
|
|
vfsp->f_flag |= ST_RDONLY; |
41 |
|
|
if (fsp->f_flags & MNT_NOSUID) |
42 |
|
|
vfsp->f_flag |= ST_NOSUID; |
43 |
|
|
vfsp->f_namemax = fsp->f_namemax; |
44 |
|
|
} |
45 |
|
|
|
46 |
|
|
int |
47 |
|
|
fstatvfs(int fd, struct statvfs *p) |
48 |
|
|
{ |
49 |
|
|
struct statfs sb; |
50 |
|
|
int ret; |
51 |
|
|
|
52 |
|
|
ret = fstatfs(fd, &sb); |
53 |
|
|
if (ret == 0) |
54 |
|
|
cvt_statfs_to_statvfs(&sb, p); |
55 |
|
|
return (ret); |
56 |
|
|
} |
57 |
|
|
|
58 |
|
|
int |
59 |
|
|
statvfs(const char *path, struct statvfs *p) |
60 |
|
|
{ |
61 |
|
|
struct statfs sb; |
62 |
|
|
int ret; |
63 |
|
|
|
64 |
|
|
ret = statfs(path, &sb); |
65 |
|
|
if (ret == 0) |
66 |
|
|
cvt_statfs_to_statvfs(&sb, p); |
67 |
|
|
return (ret); |
68 |
|
|
} |
69 |
|
|
|