1/*
2 * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24/*
25 * sys/statvfs.c
26 */
27#include <sys/param.h>
28#include <sys/mount.h>
29
30#include <sys/statvfs.h>	/* glue header */
31
32
33/* Internal common conversion function */
34static void
35cvt_statfs_to_statvfs(struct statfs *from, struct statvfs *to)
36{
37	to->f_bsize	= from->f_iosize;
38	to->f_frsize	= from->f_bsize;
39	to->f_blocks	= from->f_blocks;
40	to->f_bfree	= from->f_bfree;
41	to->f_bavail	= from->f_bavail;
42	to->f_files	= from->f_files;
43	to->f_ffree	= from->f_ffree;
44	to->f_favail	= from->f_ffree;
45	to->f_fsid	= from->f_fsid.val[0];	/* XXX bad if non-root */
46	to->f_namemax	= NAME_MAX;		/* XXX should be per FS */
47
48	/* Conver FS flags */
49	to->f_flag	= 0;
50	if( from->f_flags & MNT_RDONLY)
51		to->f_flag |= ST_RDONLY;
52	if( from->f_flags & MNT_NOSUID)
53		to->f_flag |= ST_NOSUID;
54
55	return;
56}
57
58
59int
60fstatvfs(int fildes, struct statvfs *buf)
61{
62	int	rv;
63	struct statfs cvt;
64
65	if ((rv = fstatfs(fildes, &cvt)) == 0)
66		cvt_statfs_to_statvfs(&cvt, buf);
67
68	return(rv);
69}
70
71
72int
73statvfs(const char * __restrict path, struct statvfs * __restrict buf)
74{
75	int	rv;
76	struct statfs cvt;
77
78	if ((rv = statfs(path, &cvt)) == 0)
79		cvt_statfs_to_statvfs(&cvt, buf);
80
81	return(rv);
82}
83
84/* EOF */
85