palm-os-sdk/sdk-4/include/Core/System/Crc.h
2016-08-25 07:53:48 -03:00

66 lines
1.5 KiB
C

/******************************************************************************
*
* Copyright (c) 1995-2000 Palm, Inc. or its subsidiaries.
* All rights reserved.
*
* File: Crc.h
*
* Release: Palm OS SDK 4.0 (63220)
*
* Description:
* This is the header file for the CRC calculation routines for Pilot.
*
* History:
* May 10, 1995 Created by Vitaly Kruglikov
* 05/10/95 vmk Created by Vitaly Kruglikov.
* 09/10/99 kwk Crc16CalcBlock takes a const void *.
*
*****************************************************************************/
#ifndef __CRC_H__
#define __CRC_H__
// Include elementary types
#include <PalmTypes.h>
#include <CoreTraps.h>
/********************************************************************
* CRC Calculation Routines
* These are define as external calls only under emulation mode or
* under native mode from the module that actually installs the trap
* vectors
********************************************************************/
#ifdef __cplusplus
extern "C" {
#endif
//-------------------------------------------------------------------
// API
//-------------------------------------------------------------------
// Crc16CalcBlock()
//
// Calculate the 16-bit CRC of a data block using the table lookup method.
//
UInt16 Crc16CalcBlock(const void *bufP, UInt16 count, UInt16 crc)
SYS_TRAP(sysTrapCrc16CalcBlock);
UInt16 Crc16CalcBigBlock(void *bufP, UInt32 count, UInt16 crc);
#ifdef __cplusplus
}
#endif
#endif // __CRC_H__