source-engine/public/tier1/checksum_crc.h

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2020-04-22 16:56:21 +00:00
//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: Generic CRC functions
//
// $NoKeywords: $
//=============================================================================//
#ifndef CHECKSUM_CRC_H
#define CHECKSUM_CRC_H
#ifdef _WIN32
#pragma once
#endif
typedef unsigned int CRC32_t;
void CRC32_Init( CRC32_t *pulCRC );
void CRC32_ProcessBuffer( CRC32_t *pulCRC, const void *p, int len );
void CRC32_Final( CRC32_t *pulCRC );
CRC32_t CRC32_GetTableEntry( unsigned int slot );
inline CRC32_t CRC32_ProcessSingleBuffer( const void *p, int len )
{
CRC32_t crc;
CRC32_Init( &crc );
CRC32_ProcessBuffer( &crc, p, len );
CRC32_Final( &crc );
return crc;
}
#endif // CHECKSUM_CRC_H