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45 lines
869 B
C++
45 lines
869 B
C++
// XXH64Reg.cpp /TR 2018-11-02
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#include "StdAfx.h"
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#include "../../C/CpuArch.h"
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#define XXH_STATIC_LINKING_ONLY
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#include "../../C/zstd/xxhash.h"
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#include "../Common/MyCom.h"
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#include "../7zip/Common/RegisterCodec.h"
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// XXH64
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class CXXH64Hasher:
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public IHasher,
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public CMyUnknownImp
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{
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XXH64_state_t *_ctx;
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Byte mtDummy[1 << 7];
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public:
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CXXH64Hasher() { _ctx = XXH64_createState(); }
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~CXXH64Hasher() { XXH64_freeState(_ctx); }
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MY_UNKNOWN_IMP1(IHasher)
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INTERFACE_IHasher(;)
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};
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STDMETHODIMP_(void) CXXH64Hasher::Init() throw()
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{
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XXH64_reset(_ctx, 0);
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}
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STDMETHODIMP_(void) CXXH64Hasher::Update(const void *data, UInt32 size) throw()
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{
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XXH64_update(_ctx, data, size);
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}
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STDMETHODIMP_(void) CXXH64Hasher::Final(Byte *digest) throw()
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{
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UInt64 val = XXH64_digest(_ctx);
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SetUi64(digest, val);
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}
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REGISTER_HASHER(CXXH64Hasher, 0x204, "XXH64", 8)
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