52 lines
618 B
C++
52 lines
618 B
C++
/*++
|
|
|
|
Copyright (c) 1998-1999, Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
|
|
CCrc32.h
|
|
|
|
Abstract:
|
|
|
|
--*/
|
|
|
|
#ifndef CCRC32_H
|
|
#define CCRC32_H
|
|
|
|
|
|
#ifndef __WINDOWS_H
|
|
#include <windows.h>
|
|
#endif
|
|
|
|
|
|
// Used Definitions Declarations
|
|
|
|
#define CCRC32_CLASSID 0x13420808L
|
|
|
|
#define CRC32_POLYNOMIAL 0xEDB88320
|
|
|
|
|
|
// Class Declaration
|
|
|
|
class CCrc32
|
|
{
|
|
public:
|
|
CCrc32();
|
|
virtual ~CCrc32();
|
|
|
|
public:
|
|
ULONG CalculateBlockCRC( LPVOID lpvBlock, INT nBlockLength );
|
|
|
|
public:
|
|
ULONG uClassID;
|
|
|
|
private:
|
|
VOID InitialiseCRCTable();
|
|
|
|
private:
|
|
ULONG m_uCRC32Table[ 256 ];
|
|
};
|
|
|
|
#endif
|