1/* Definitions for getting information about a filesystem.
2 Copyright (C) 1998-2016 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19#ifndef _SYS_STATVFS_H
20#define _SYS_STATVFS_H 1
21
22#include <features.h>
23
24/* Get the system-specific definition of `struct statfs'. */
25#include <bits/statvfs.h>
26
27#ifndef __USE_FILE_OFFSET64
28# ifndef __fsblkcnt_t_defined
29typedef __fsblkcnt_t fsblkcnt_t; /* Type to count file system blocks. */
30# define __fsblkcnt_t_defined
31# endif
32# ifndef __fsfilcnt_t_defined
33typedef __fsfilcnt_t fsfilcnt_t; /* Type to count file system inodes. */
34# define __fsfilcnt_t_defined
35# endif
36#else
37# ifndef __fsblkcnt_t_defined
38typedef __fsblkcnt64_t fsblkcnt_t; /* Type to count file system blocks. */
39# define __fsblkcnt_t_defined
40# endif
41# ifndef __fsfilcnt_t_defined
42typedef __fsfilcnt64_t fsfilcnt_t; /* Type to count file system inodes. */
43# define __fsfilcnt_t_defined
44# endif
45#endif
46
47__BEGIN_DECLS
48
49/* Return information about the filesystem on which FILE resides. */
50#ifndef __USE_FILE_OFFSET64
51extern int statvfs (const char *__restrict __file,
52 struct statvfs *__restrict __buf)
53 __THROW __nonnull ((1, 2));
54#else
55# ifdef __REDIRECT_NTH
56extern int __REDIRECT_NTH (statvfs,
57 (const char *__restrict __file,
58 struct statvfs *__restrict __buf), statvfs64)
59 __nonnull ((1, 2));
60# else
61# define statvfs statvfs64
62# endif
63#endif
64#ifdef __USE_LARGEFILE64
65extern int statvfs64 (const char *__restrict __file,
66 struct statvfs64 *__restrict __buf)
67 __THROW __nonnull ((1, 2));
68#endif
69
70/* Return information about the filesystem containing the file FILDES
71 refers to. */
72#ifndef __USE_FILE_OFFSET64
73extern int fstatvfs (int __fildes, struct statvfs *__buf)
74 __THROW __nonnull ((2));
75#else
76# ifdef __REDIRECT_NTH
77extern int __REDIRECT_NTH (fstatvfs, (int __fildes, struct statvfs *__buf),
78 fstatvfs64) __nonnull ((2));
79# else
80# define fstatvfs fstatvfs64
81# endif
82#endif
83#ifdef __USE_LARGEFILE64
84extern int fstatvfs64 (int __fildes, struct statvfs64 *__buf)
85 __THROW __nonnull ((2));
86#endif
87
88__END_DECLS
89
90#endif /* sys/statvfs.h */
91