24.0524.05

1 files changed, 97 insertions, 0 deletions

diff --git a/CPP/Common/Xxh64Reg.cpp b/CPP/Common/Xxh64Reg.cpp
new file mode 100644
index 0000000..8abd15e
--- /dev/null
+++ b/CPP/Common/Xxh64Reg.cpp
@@ -0,0 +1,97 @@
+// 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