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87 lines
2.9 KiB
C
87 lines
2.9 KiB
C
/* Copyright (C) 2011-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _SYS_STATFS_H
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# error "Never include <bits/statfs.h> directly; use <sys/statfs.h> instead."
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#endif
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#include <endian.h>
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#include <bits/types.h>
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#include <bits/wordsize.h>
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/* 64-bit libc uses the kernel's 'struct statfs', accessed via the
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statfs() syscall; 32-bit libc uses the kernel's 'struct statfs64'
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and accesses it via the statfs64() syscall. All the various
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APIs offered by libc use the kernel shape for their struct statfs
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structure; the only difference is that 32-bit programs not
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using __USE_FILE_OFFSET64 only see the low 32 bits of some
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of the fields (the __fsblkcnt_t and __fsfilcnt_t fields). */
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#if defined __USE_FILE_OFFSET64
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# define __field64(type, type64, name) type64 name
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#elif __WORDSIZE == 64
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# define __field64(type, type64, name) type name
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#elif __BYTE_ORDER == __LITTLE_ENDIAN
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# define __field64(type, type64, name) \
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type name __attribute__((__aligned__ (__alignof__ (type64)))); int __##name##_pad
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#else
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# define __field64(type, type64, name) \
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int __##name##_pad __attribute__((__aligned__ (__alignof__ (type64)))); type name
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#endif
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struct statfs
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{
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__SWORD_TYPE f_type;
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__SWORD_TYPE f_bsize;
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__field64(__fsblkcnt_t, __fsblkcnt64_t, f_blocks);
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__field64(__fsblkcnt_t, __fsblkcnt64_t, f_bfree);
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__field64(__fsblkcnt_t, __fsblkcnt64_t, f_bavail);
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__field64(__fsfilcnt_t, __fsfilcnt64_t, f_files);
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__field64(__fsfilcnt_t, __fsfilcnt64_t, f_ffree);
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__fsid_t f_fsid;
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__SWORD_TYPE f_namelen;
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__SWORD_TYPE f_frsize;
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__SWORD_TYPE f_flags;
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__SWORD_TYPE f_spare[4];
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};
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#undef __field64
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#ifdef __USE_LARGEFILE64
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struct statfs64
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{
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__SWORD_TYPE f_type;
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__SWORD_TYPE f_bsize;
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__fsblkcnt64_t f_blocks;
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__fsblkcnt64_t f_bfree;
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__fsblkcnt64_t f_bavail;
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__fsfilcnt64_t f_files;
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__fsfilcnt64_t f_ffree;
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__fsid_t f_fsid;
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__SWORD_TYPE f_namelen;
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__SWORD_TYPE f_frsize;
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__SWORD_TYPE f_flags;
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__SWORD_TYPE f_spare[4];
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};
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#endif
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/* Tell code we have these members. */
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#define _STATFS_F_NAMELEN
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#define _STATFS_F_FRSIZE
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#define _STATFS_F_FLAGS
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