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1 | /* Copyright (C) 2011-2019 Free Software Foundation, Inc. |
---|---|
2 | This file is part of the GNU C Library. |
3 | Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. |
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_STATFS_H |
20 | # error "Never include <bits/statfs.h> directly; use <sys/statfs.h> instead." |
21 | #endif |
22 | |
23 | #include <endian.h> |
24 | #include <bits/types.h> |
25 | #include <bits/wordsize.h> |
26 | |
27 | /* 64-bit libc uses the kernel's 'struct statfs', accessed via the |
28 | statfs() syscall; 32-bit libc uses the kernel's 'struct statfs64' |
29 | and accesses it via the statfs64() syscall. All the various |
30 | APIs offered by libc use the kernel shape for their struct statfs |
31 | structure; the only difference is that 32-bit programs not |
32 | using __USE_FILE_OFFSET64 only see the low 32 bits of some |
33 | of the fields (the __fsblkcnt_t and __fsfilcnt_t fields). */ |
34 | |
35 | #if defined __USE_FILE_OFFSET64 |
36 | # define __field64(type, type64, name) type64 name |
37 | #elif __WORDSIZE == 64 |
38 | # define __field64(type, type64, name) type name |
39 | #elif __BYTE_ORDER == __LITTLE_ENDIAN |
40 | # define __field64(type, type64, name) \ |
41 | type name __attribute__((__aligned__ (__alignof__ (type64)))); int __##name##_pad |
42 | #else |
43 | # define __field64(type, type64, name) \ |
44 | int __##name##_pad __attribute__((__aligned__ (__alignof__ (type64)))); type name |
45 | #endif |
46 | |
47 | struct statfs |
48 | { |
49 | __SWORD_TYPE f_type; |
50 | __SWORD_TYPE f_bsize; |
51 | __field64(__fsblkcnt_t, __fsblkcnt64_t, f_blocks); |
52 | __field64(__fsblkcnt_t, __fsblkcnt64_t, f_bfree); |
53 | __field64(__fsblkcnt_t, __fsblkcnt64_t, f_bavail); |
54 | __field64(__fsfilcnt_t, __fsfilcnt64_t, f_files); |
55 | __field64(__fsfilcnt_t, __fsfilcnt64_t, f_ffree); |
56 | __fsid_t f_fsid; |
57 | __SWORD_TYPE f_namelen; |
58 | __SWORD_TYPE f_frsize; |
59 | __SWORD_TYPE f_flags; |
60 | __SWORD_TYPE f_spare[4]; |
61 | }; |
62 | |
63 | #undef __field64 |
64 | |
65 | #ifdef __USE_LARGEFILE64 |
66 | struct statfs64 |
67 | { |
68 | __SWORD_TYPE f_type; |
69 | __SWORD_TYPE f_bsize; |
70 | __fsblkcnt64_t f_blocks; |
71 | __fsblkcnt64_t f_bfree; |
72 | __fsblkcnt64_t f_bavail; |
73 | __fsfilcnt64_t f_files; |
74 | __fsfilcnt64_t f_ffree; |
75 | __fsid_t f_fsid; |
76 | __SWORD_TYPE f_namelen; |
77 | __SWORD_TYPE f_frsize; |
78 | __SWORD_TYPE f_flags; |
79 | __SWORD_TYPE f_spare[4]; |
80 | }; |
81 | #endif |
82 | |
83 | /* Tell code we have these members. */ |
84 | #define _STATFS_F_NAMELEN |
85 | #define _STATFS_F_FRSIZE |
86 | #define _STATFS_F_FLAGS |
87 |
Warning: That file was not part of the compilation database. It may have many parsing errors.