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- /* Copyright (C) 2011-2021 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library. If not, see
- <https://www.gnu.org/licenses/>. */
- #ifndef _SYS_STATFS_H
- # error "Never include <bits/statfs.h> directly; use <sys/statfs.h> instead."
- #endif
- #include <bits/endian.h>
- #include <bits/types.h>
- #include <bits/wordsize.h>
- /* 64-bit libc uses the kernel's 'struct statfs', accessed via the
- statfs() syscall; 32-bit libc uses the kernel's 'struct statfs64'
- and accesses it via the statfs64() syscall. All the various
- APIs offered by libc use the kernel shape for their struct statfs
- structure; the only difference is that 32-bit programs not
- using __USE_FILE_OFFSET64 only see the low 32 bits of some
- of the fields (the __fsblkcnt_t and __fsfilcnt_t fields). */
- #if defined __USE_FILE_OFFSET64
- # define __field64(type, type64, name) type64 name
- #elif __WORDSIZE == 64 || __STATFS_MATCHES_STATFS64
- # define __field64(type, type64, name) type name
- #elif __BYTE_ORDER == __LITTLE_ENDIAN
- # define __field64(type, type64, name) \
- type name __attribute__((__aligned__ (__alignof__ (type64)))); int __##name##_pad
- #else
- # define __field64(type, type64, name) \
- int __##name##_pad __attribute__((__aligned__ (__alignof__ (type64)))); type name
- #endif
- struct statfs
- {
- __SWORD_TYPE f_type;
- __SWORD_TYPE f_bsize;
- __field64(__fsblkcnt_t, __fsblkcnt64_t, f_blocks);
- __field64(__fsblkcnt_t, __fsblkcnt64_t, f_bfree);
- __field64(__fsblkcnt_t, __fsblkcnt64_t, f_bavail);
- __field64(__fsfilcnt_t, __fsfilcnt64_t, f_files);
- __field64(__fsfilcnt_t, __fsfilcnt64_t, f_ffree);
- __fsid_t f_fsid;
- __SWORD_TYPE f_namelen;
- __SWORD_TYPE f_frsize;
- __SWORD_TYPE f_flags;
- __SWORD_TYPE f_spare[4];
- };
- #undef __field64
- #ifdef __USE_LARGEFILE64
- struct statfs64
- {
- __SWORD_TYPE f_type;
- __SWORD_TYPE f_bsize;
- __fsblkcnt64_t f_blocks;
- __fsblkcnt64_t f_bfree;
- __fsblkcnt64_t f_bavail;
- __fsfilcnt64_t f_files;
- __fsfilcnt64_t f_ffree;
- __fsid_t f_fsid;
- __SWORD_TYPE f_namelen;
- __SWORD_TYPE f_frsize;
- __SWORD_TYPE f_flags;
- __SWORD_TYPE f_spare[4];
- };
- #endif
- /* Tell code we have these members. */
- #define _STATFS_F_NAMELEN
- #define _STATFS_F_FRSIZE
- #define _STATFS_F_FLAGS
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