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Imported reiserfsprogs-3.6.4

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Jeff Mahoney committed 2012-10-11 11:28:37 -04:00
1 parent b69459eb80
commit 99c89460c3
52 files changed
+2263 -2407
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include/swab.h
+4 -21
View File
@@ -1,25 +1,8 @@
/*
* Copyright 2002 by Hans Reiser, licensing governed by reiserfs/README
*/
#ifndef _REISERFS_SWAB_H_
#define _REISERFS_SWAB_H_
/* Stolen from linux/include/linux/byteorder/swab.h */
#define swab16(x) \
((__u16)( \
(((__u16)(x) & (__u16)0x00ffU) << 8) | \
(((__u16)(x) & (__u16)0xff00U) >> 8) ))
#define swab32(x) \
((__u32)( \
(((__u32)(x) & (__u32)0x000000ffUL) << 24) | \
(((__u32)(x) & (__u32)0x0000ff00UL) << 8) | \
(((__u32)(x) & (__u32)0x00ff0000UL) >> 8) | \
(((__u32)(x) & (__u32)0xff000000UL) >> 24) ))
#define swab64(x) \
((__u64)( \
(__u64)(((__u64)(x) & (__u64)0x00000000000000ffULL) << 56) | \
(__u64)(((__u64)(x) & (__u64)0x000000000000ff00ULL) << 40) | \
(__u64)(((__u64)(x) & (__u64)0x0000000000ff0000ULL) << 24) | \
(__u64)(((__u64)(x) & (__u64)0x00000000ff000000ULL) << 8) | \
(__u64)(((__u64)(x) & (__u64)0x000000ff00000000ULL) >> 8) | \
(__u64)(((__u64)(x) & (__u64)0x0000ff0000000000ULL) >> 24) | \
(__u64)(((__u64)(x) & (__u64)0x00ff000000000000ULL) >> 40) | \
(__u64)(((__u64)(x) & (__u64)0xff00000000000000ULL) >> 56) ))
#include <linux/byteorder/swab.h>
#endif /* _REISERFS_SWAB_H_ */