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d614a753 | 1 | /* Copyright (C) 2011-2020 Free Software Foundation, Inc. |
a63c7fa1 CM |
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 | |
ab84e3ff | 16 | License along with the GNU C Library. If not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
a63c7fa1 CM |
18 | |
19 | #ifndef _SYS_STATFS_H | |
20 | # error "Never include <bits/statfs.h> directly; use <sys/statfs.h> instead." | |
21 | #endif | |
22 | ||
aa706e13 | 23 | #include <bits/endian.h> |
a63c7fa1 CM |
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 | |
acab0594 | 37 | #elif __WORDSIZE == 64 || __STATFS_MATCHES_STATFS64 |
a63c7fa1 CM |
38 | # define __field64(type, type64, name) type name |
39 | #elif __BYTE_ORDER == __LITTLE_ENDIAN | |
40 | # define __field64(type, type64, name) \ | |
7cf8ac4c | 41 | type name __attribute__((__aligned__ (__alignof__ (type64)))); int __##name##_pad |
a63c7fa1 CM |
42 | #else |
43 | # define __field64(type, type64, name) \ | |
7cf8ac4c | 44 | int __##name##_pad __attribute__((__aligned__ (__alignof__ (type64)))); type name |
a63c7fa1 CM |
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]; | |
7cf8ac4c | 61 | }; |
a63c7fa1 CM |
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]; | |
7cf8ac4c | 80 | }; |
a63c7fa1 CM |
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 |