1 files changed, 4 insertions, 51 deletions
diff --git a/CPP/Common/CRC.cpp b/CPP/Common/CRC.cpp
index 35e1a187..b768128c 100755
--- a/CPP/Common/CRC.cpp
+++ b/CPP/Common/CRC.cpp
@@ -2,60 +2,13 @@
 
 #include "StdAfx.h"
 
-#include "CRC.h"
-
-static const UInt32 kCRCPoly = 0xEDB88320;
-
-UInt32 CCRC::Table[256];
-
-void CCRC::InitTable()
-{
-  for (UInt32 i = 0; i < 256; i++)
-  {
-    UInt32 r = i;
-    for (int j = 0; j < 8; j++)
-      if (r & 1) 
-        r = (r >> 1) ^ kCRCPoly;
-      else     
-        r >>= 1;
-    CCRC::Table[i] = r;
-  }
+extern "C" 
+{ 
+#include "../../C/7zCrc.h"
 }
 
 class CCRCTableInit
 {
 public:
-  CCRCTableInit() { CCRC::InitTable(); }
+  CCRCTableInit() { CrcGenerateTable(); }
 } g_CRCTableInit;
-
-void CCRC::UpdateByte(Byte b)
-{
-  _value = Table[((Byte)(_value)) ^ b] ^ (_value >> 8);
-}
-
-void CCRC::UpdateUInt16(UInt16 v)
-{
-  UpdateByte(Byte(v));
-  UpdateByte(Byte(v >> 8));
-}
-
-void CCRC::UpdateUInt32(UInt32 v)
-{
-  for (int i = 0; i < 4; i++)
-    UpdateByte((Byte)(v >> (8 * i)));
-}
-
-void CCRC::UpdateUInt64(UInt64 v)
-{
-  for (int i = 0; i < 8; i++)
-    UpdateByte((Byte)(v >> (8 * i)));
-}
-
-void CCRC::Update(const void *data, size_t size)
-{
-  UInt32 v = _value;
-  const Byte *p = (const Byte *)data;
-  for (; size > 0 ; size--, p++)
-    v = Table[((Byte)(v)) ^ *p] ^ (v >> 8);
-  _value = v;
-}