projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| b168057a | 1 | /* Copyright (C) 2011-2015 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 PE |
16 | License along with the GNU C Library. If not, see |
| 17 | <http://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 | ||
| 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) \ | |
| 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 |