1/*
 2 * Copyright (c) 2000 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.h
26 */
27#ifndef _SYS_STATVFS_H_
28#define	_SYS_STATVFS_H_
29
30#include <_bounds.h>
31#include <sys/_types.h>
32#include <sys/cdefs.h>
33
34#include <sys/_types/_fsblkcnt_t.h>
35#include <sys/_types/_fsfilcnt_t.h>
36
37_LIBC_SINGLE_BY_DEFAULT()
38
39/* Following structure is used as a statvfs/fstatvfs function parameter */
40struct statvfs {
41	unsigned long	f_bsize;	/* File system block size */
42	unsigned long	f_frsize;	/* Fundamental file system block size */
43	fsblkcnt_t	f_blocks;	/* Blocks on FS in units of f_frsize */
44	fsblkcnt_t	f_bfree;	/* Free blocks */
45	fsblkcnt_t	f_bavail;	/* Blocks available to non-root */
46	fsfilcnt_t	f_files;	/* Total inodes */
47	fsfilcnt_t	f_ffree;	/* Free inodes */
48	fsfilcnt_t	f_favail;	/* Free inodes for non-root */
49	unsigned long	f_fsid;		/* Filesystem ID */
50	unsigned long	f_flag;		/* Bit mask of values */
51	unsigned long	f_namemax;	/* Max file name length */
52};
53
54/* Defined bits for f_flag field value */
55#define	ST_RDONLY	0x00000001	/* Read-only file system */
56#define	ST_NOSUID	0x00000002	/* Does not honor setuid/setgid */
57
58__BEGIN_DECLS
59int fstatvfs(int, struct statvfs *);
60int statvfs(const char * __restrict, struct statvfs * __restrict);
61__END_DECLS
62
63#endif	/* _SYS_STATVFS_H_ */