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* include/byteswap.h: New file.

This commit is contained in:
Christopher Faylor 2005-07-26 00:55:42 +00:00
parent c24d159222
commit 0a911c4e6d
2 changed files with 43 additions and 0 deletions
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4
winsup/cygwin/ChangeLog
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2005-07-25 Christopher Faylor <cgf@timesys.com>
* include/byteswap.h: New file.
2005-07-25 Christopher Faylor <cgf@timesys.com>
* include/cygwin/types.h: Define loff_t.

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winsup/cygwin/include/byteswap.h Normal file
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/* byteswap.h
Copyright 2005 Red Hat, Inc.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#ifndef _BYTESWAP_H
#define _BYTESWAP_H
#ifdef __cplusplus
extern "C" {
#endif
static __inline unsigned short
bswap_16 (unsigned short __x)
{
return (__x >> 8) | (__x << 8);
}
static __inline unsigned int
bswap_32 (unsigned int __x)
{
return (bswap_16 (__x & 0xffff) << 16) | (bswap_16 (__x >> 16));
}
static __inline unsigned long long
bswap_64 (unsigned long long __x)
{
return (((unsigned long long) bswap_32 (__x & 0xffffffffull)) << 32) | (bswap_32 (__x >> 32));
}
#ifdef __cplusplus
}
#endif
#endif /* _BYTESWAP_H */