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leverage boost's endian detection in sha1-implementation

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Arvid Norberg 2014-05-03 03:45:51 +00:00
parent 838f8c3892
commit 0ed91e248f
2 changed files with 5 additions and 4 deletions
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1
include/libtorrent/config.hpp
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@ -48,6 +48,7 @@ POSSIBILITY OF SUCH DAMAGE.
#include <boost/config.hpp> #include <boost/config.hpp>
#include <boost/version.hpp> #include <boost/version.hpp>
#include <boost/detail/endian.hpp>
#include <stdio.h> // for snprintf #include <stdio.h> // for snprintf
#include <limits.h> // for IOV_MAX #include <limits.h> // for IOV_MAX

8
src/sha1.cpp
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@ -176,7 +176,7 @@ namespace
#endif #endif
} }
#if !defined __BIG_ENDIAN__ && !defined __LITTLE_ENDIAN__ #if !defined BOOST_BIG_ENDIAN && !defined BOOST_LITTLE_ENDIAN
bool is_big_endian() bool is_big_endian()
{ {
u32 test = 1; u32 test = 1;
@ -205,9 +205,9 @@ void SHA1_update(sha_ctx* context, u8 const* data, u32 len)
{ {
// GCC standard defines for endianness // GCC standard defines for endianness
// test with: cpp -dM /dev/null // test with: cpp -dM /dev/null
#if defined __BIG_ENDIAN__ #if defined BOOST_BIG_ENDIAN
internal_update<big_endian_blk0>(context, data, len); internal_update<big_endian_blk0>(context, data, len);
#elif defined __LITTLE_ENDIAN__ #elif defined BOOST_LITTLE_ENDIAN
internal_update<little_endian_blk0>(context, data, len); internal_update<little_endian_blk0>(context, data, len);
#else #else
// select different functions depending on endianess // select different functions depending on endianess
@ -309,7 +309,7 @@ By Arvid Norberg <arvidn@sourceforge.net>
previous SHA1HANDSOFF implicit previous SHA1HANDSOFF implicit
2- uses C99 types with size guarantees 2- uses C99 types with size guarantees
from boost from boost
3- if none of __BIG_ENDIAN__ or LITTLE_ENDIAN 3- if none of BOOST_BIG_ENDIAN or BOOST_LITTLE_ENDIAN
are defined, endianess is determined are defined, endianess is determined
at runtime. templates are used to duplicate at runtime. templates are used to duplicate
the transform function for each endianess the transform function for each endianess