1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
/*
* Portability wrapper around <sys/statvfs.h>.
*
* Attempts to adjust for systems that have only statfs and not statvfs. This
* code is known to not be portable to ULTRIX, which used a completely
* different struct layout for statfs than other platforms.
*
* Be cautious when using this header, since it may define several identifiers
* (statvfs, f_frsize, f_favail) to fix struct mismatch problems. Due to how
* the C preprocessor works, this will affect all uses of those identifiers.
*
* The canonical version of this file is maintained in the rra-c-util package,
* which can be found at <http://www.eyrie.org/~eagle/software/rra-c-util/>.
*
* Written by Russ Allbery <eagle@eyrie.org>
*
* The authors hereby relinquish any claim to any copyright that they may have
* in this work, whether granted under contract or by operation of law or
* international treaty, and hereby commit to the public, at large, that they
* shall not, at any time in the future, seek to enforce any copyright in this
* work against any person or entity, or prevent any person or entity from
* copying, publishing, distributing or creating derivative works of this
* work.
*/
#ifndef PORTABLE_STATVFS_H
#define PORTABLE_STATVFS_H 1
/*
* Allow inclusion of config.h to be skipped, since sometimes we have to use a
* stripped-down version of config.h with a different name.
*/
#ifndef CONFIG_H_INCLUDED
# include <config.h>
#endif
#ifdef HAVE_SYS_STATVFS_H
# include <sys/statvfs.h>
#elif HAVE_SYS_VFS_H
# include <sys/vfs.h>
#endif
/*
* Rename statvfs to statfs if we don't have statvfs. This intentionally
* isn't limited to the function, since we want to rename the structure as
* well. Also map some of the more-specific statvfs struct members to the
* more-general, fallback statfs struct member names.
*/
#ifndef HAVE_STATVFS
# define statvfs statfs
# define f_frsize f_bsize
# define f_bavail f_bfree
# define f_favail f_ffree
#endif
#endif /* !PORTABLE_STATVFS_H */
|
