/*************************************************************************
* (C) 2008 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
* by Michael Pounov <misho@openbsd-bg.org>
*
* $Author: misho $
* $Id: aitcrc.h,v 1.1.1.1 2008/11/05 17:02:55 misho Exp $
*
*************************************************************************/
#ifndef __AITCRC_H
#define __AITCRC_H
#define REVOPTS_REVERTBYTE 1
#define REVOPTS_REVERTCRC 2
struct tagCRCPoly {
u_char poly_bits;
u_long poly_num;
char poly_name[19];
}; // size 24bytes
typedef struct tagCRCPoly crcPoly_t;
inline int crc_GetErrno();
inline const char *crc_GetError();
inline u_long crcReflect(u_long crcNum, u_char crcBits);
inline u_long crcCalc(u_char * __restrict psBuf, u_int bufLen, u_char crcBits, u_char RevOpts, u_long initCRC, u_long xorCRC);
inline u_short crcIP(u_short * __restrict nBuf, int bufLen);
inline u_long crcFletcher(u_short * __restrict nBuf, int bufLen);
inline u_long crcAdler(u_char * __restrict psBuf, int bufLen);
#define crcEther(psBuf, bufLen) crcCalc((psBuf), (bufLen), 32, 3, 0xFFFFFFFF, 0xFFFFFFFF)
#endif
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