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_ */