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// Xxh64Reg.cpp
#include "StdAfx.h"
#include "../../C/Xxh64.h"
#include "../../C/CpuArch.h"
// #define Z7_USE_HHX64_ORIGINAL
#ifdef Z7_USE_HHX64_ORIGINAL
#ifdef __clang__
#include "../../C/zstd7z/7z_zstd_cmpl.h"
#pragma GCC diagnostic ignored "-Wlanguage-extension-token"
#endif
#define XXH_STATIC_LINKING_ONLY
#include "../../C/zstd7z/common/xxhash.h"
#endif
#include "../Common/MyCom.h"
#include "../7zip/Common/RegisterCodec.h"
Z7_CLASS_IMP_COM_1(
CXxh64Hasher
, IHasher
)
CXxh64 _state;
public:
Byte _mtDummy[1 << 7]; // it's public to eliminate clang warning: unused private field
CXxh64Hasher() { Init(); }
};
Z7_COM7F_IMF2(void, CXxh64Hasher::Init())
{
Xxh64_Init(&_state);
}
Z7_COM7F_IMF2(void, CXxh64Hasher::Update(const void *data, UInt32 size))
{
#if 1
Xxh64_Update(&_state, data, size);
#else // for debug:
for (;;)
{
if (size == 0)
return;
UInt32 size2 = (size * 0x85EBCA87) % size / 8;
if (size2 == 0)
size2 = 1;
Xxh64_Update(&_state, data, size2);
data = (const void *)((const Byte *)data + size2);
size -= size2;
}
#endif
}
Z7_COM7F_IMF2(void, CXxh64Hasher::Final(Byte *digest))
{
const UInt64 val = Xxh64_Digest(&_state);
SetUi64(digest, val)
}
REGISTER_HASHER(CXxh64Hasher, 0x211, "XXH64", 8)
#ifdef Z7_USE_HHX64_ORIGINAL
namespace NOriginal
{
Z7_CLASS_IMP_COM_1(
CXxh64Hasher
, IHasher
)
XXH64_state_t _state;
public:
Byte _mtDummy[1 << 7]; // it's public to eliminate clang warning: unused private field
CXxh64Hasher() { Init(); }
};
Z7_COM7F_IMF2(void, CXxh64Hasher::Init())
{
XXH64_reset(&_state, 0);
}
Z7_COM7F_IMF2(void, CXxh64Hasher::Update(const void *data, UInt32 size))
{
XXH64_update(&_state, data, size);
}
Z7_COM7F_IMF2(void, CXxh64Hasher::Final(Byte *digest))
{
const UInt64 val = XXH64_digest(&_state);
SetUi64(digest, val)
}
REGISTER_HASHER(CXxh64Hasher, 0x212, "XXH64a", 8)
}
#endif
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