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Make use of the Boost Endian library for byte swapping.

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It's likely to be better at choosing the most efficient method than our CMake tests.
This commit is contained in:
Tsuda Kageyu
2015-11-13 10:58:23 +09:00
parent 86c7e905ba
commit 6775cef651
3 changed files with 60 additions and 33 deletions
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24
taglib/toolkit/tutils.h
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@ -31,10 +31,12 @@
#ifndef DO_NOT_DOCUMENT // tell Doxygen not to document this header
#ifdef HAVE_CONFIG_H
#include <config.h>
# include <config.h>
#endif
#if defined(HAVE_MSC_BYTESWAP)
#if defined(HAVE_BOOST_BYTESWAP)
# include <boost/endian/conversion.hpp>
#elif defined(HAVE_MSC_BYTESWAP)
# include <stdlib.h>
#elif defined(HAVE_GLIBC_BYTESWAP)
# include <byteswap.h>
@ -59,7 +61,11 @@ namespace TagLib
*/
inline ushort byteSwap(ushort x)
{
#if defined(HAVE_GCC_BYTESWAP)
#if defined(HAVE_BOOST_BYTESWAP)
return boost::endian::endian_reverse(x);
#elif defined(HAVE_GCC_BYTESWAP)
return __builtin_bswap16(x);
@ -91,7 +97,11 @@ namespace TagLib
*/
inline uint byteSwap(uint x)
{
#if defined(HAVE_GCC_BYTESWAP)
#if defined(HAVE_BOOST_BYTESWAP)
return boost::endian::endian_reverse(x);
#elif defined(HAVE_GCC_BYTESWAP)
return __builtin_bswap32(x);
@ -126,7 +136,11 @@ namespace TagLib
*/
inline ulonglong byteSwap(ulonglong x)
{
#if defined(HAVE_GCC_BYTESWAP)
#if defined(HAVE_BOOST_BYTESWAP)
return boost::endian::endian_reverse(x);
#elif defined(HAVE_GCC_BYTESWAP)
return __builtin_bswap64(x);