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Diff for /libaitcrc/inc/aitcrc.h between versions 1.2 and 1.5

version 1.2, 2010/01/20 00:04:45 version 1.5, 2012/07/04 14:53:43
Line 5 Line 5
 * $Author$  * $Author$
 * $Id$  * $Id$
 *  *
*************************************************************************/**************************************************************************
 The ELWIX and AITNET software is distributed under the following
 terms:
 
 All of the documentation and software included in the ELWIX and AITNET
 Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
 
 Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
         by Michael Pounov <misho@elwix.org>.  All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions
 are met:
 1. Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.
 2. Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in the
    documentation and/or other materials provided with the distribution.
 3. All advertising materials mentioning features or use of this software
    must display the following acknowledgement:
 This product includes software developed by Michael Pounov <misho@elwix.org>
 ELWIX - Embedded LightWeight unIX and its contributors.
 4. Neither the name of AITNET nor the names of its contributors
    may be used to endorse or promote products derived from this software
    without specific prior written permission.
 
 THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 SUCH DAMAGE.
 */
 #ifndef __AITCRC_H  #ifndef __AITCRC_H
 #define __AITCRC_H  #define __AITCRC_H
   
Line 19 Line 56
   
 struct tagCRCPoly {  struct tagCRCPoly {
         u_char  poly_bits;          u_char  poly_bits;
        u_long        poly_num;        u_int        poly_num;
         char    poly_name[19];          char    poly_name[19];
};      // size 24bytes};      /* size 24bytes */
 typedef struct tagCRCPoly crcPoly_t;  typedef struct tagCRCPoly crcPoly_t;
   
   
 // -------------------------------------------------------  
 // crc_GetErrno() Get error code of last operation  // crc_GetErrno() Get error code of last operation
 inline int crc_GetErrno();  inline int crc_GetErrno();
 // crc_GetError() Get error text of last operation  // crc_GetError() Get error text of last operation
 inline const char *crc_GetError();  inline const char *crc_GetError();
 // -------------------------------------------------------  
   
   
 /*  /*
 * crcReflect() Reflect all bits of number  * crcReflect() - Reflect all bits of number 
  *
  * @crcNum = Number for reflection   * @crcNum = Number for reflection
  * @crcBits = Number width bits    * @crcBits = Number width bits 
  * return: -1 error, !=-1 reflecting number   * return: -1 error, !=-1 reflecting number
  */   */
inline u_long crcReflect(u_long crcNum, u_char crcBits);inline unsigned int crcReflect(unsigned int crcNum, unsigned char crcBits);
 /*  /*
 * crcCalc() Generic CRC calculation function for many sub variants of CRC algorithms * crcCalc() - Generic CRC calculation function for many sub variants of CRC algorithms
  *
  * @psBuf = Data for calculation   * @psBuf = Data for calculation
  * @bufLen = Length of data   * @bufLen = Length of data
  * @crcBits = CRC algorithm bits (1, 4, 5, 6, 7, 8, 10, 11, 12, 15, 16, 24, 30, 32)   * @crcBits = CRC algorithm bits (1, 4, 5, 6, 7, 8, 10, 11, 12, 15, 16, 24, 30, 32)
Line 49  inline u_long crcReflect(u_long crcNum, u_char crcBits Line 87  inline u_long crcReflect(u_long crcNum, u_char crcBits
  * @xorCRC = Last xor CRC value   * @xorCRC = Last xor CRC value
  * return: -1 error, !=-1 CRC checksum   * return: -1 error, !=-1 CRC checksum
  */   */
inline u_long crcCalc(u_char * __restrict psBuf, u_int bufLen, u_char crcBits, u_char RevOpts, u_long initCRC, u_long xorCRC);inline unsigned int crcCalc(unsigned char * __restrict psBuf, unsigned int bufLen, 
                 unsigned char crcBits, unsigned char RevOpts, 
                 unsigned int initCRC, unsigned int xorCRC);
   
 /*  /*
 * crcIP() Checksum in IP communication * crcIP() - Checksum in IP communication
  *
  * @buf = Data for calculation
  * @bufLen = Length of data
  * return: -1 error, !=-1 Checksum
  */
 inline unsigned short crcIP(unsigned char * __restrict buf, int bufLen);
 /*
  * crcFletcher16() - Fletcher-16 Checksum computing
  *
  * @nBuf = Data for calculation   * @nBuf = Data for calculation
  * @bufLen = Length of data   * @bufLen = Length of data
  * return: -1 error, !=-1 Checksum   * return: -1 error, !=-1 Checksum
  */   */
inline u_short crcIP(u_short * __restrict nBuf, int bufLen);inline unsigned short crcFletcher16(unsigned short * __restrict nBuf, int bufLen);
 /*  /*
 * crcFletcher() Fletcher-16 Checksum computing * crcFletcher() - Fletcher-32 Checksum computing
  *
  * @nBuf = Data for calculation   * @nBuf = Data for calculation
  * @bufLen = Length of data   * @bufLen = Length of data
  * return: -1 error, !=-1 Checksum   * return: -1 error, !=-1 Checksum
  */   */
inline u_long crcFletcher(u_short * __restrict nBuf, int bufLen);inline unsigned int crcFletcher(unsigned short * __restrict nBuf, int bufLen);
 /*  /*
 * crcAdler() crcAdler-32 Checksum computing * crcAdler() - crcAdler-32 Checksum computing
  *
  * @psBuf = Data for calculation   * @psBuf = Data for calculation
  * @bufLen = Length of data   * @bufLen = Length of data
  * return: -1 error, !=-1 Checksum   * return: -1 error, !=-1 Checksum
  */   */
inline u_long crcAdler(u_char * __restrict psBuf, int bufLen);inline unsigned int crcAdler(unsigned char * __restrict psBuf, int bufLen);
   
 /*  /*
 * crcEther() Checksum in Ethernet communication * crcEther() - Checksum in Ethernet communication
  *
  * @psBuf = Data for calculation   * @psBuf = Data for calculation
  * @bufLen = Length of data   * @bufLen = Length of data
  * return: -1 error, !=-1 Checksum   * return: -1 error, !=-1 Checksum
  */   */
#define crcEther(psBuf, bufLen)         crcCalc((psBuf), (bufLen), 32, 3, 0xFFFFFFFF, 0xFFFFFFFF)#define crcEther(psBuf, bufLen) crcCalc((psBuf), (bufLen), 32, 3, 0xFFFFFFFF, 0xFFFFFFFF)
   
   
 /*  /*
 * crcPelco() Calculate Pelco D/P CRC * crcPelco() - Calculate Pelco D/P CRC
  *
  * @ver = Pelco protocol version (Dd | Pp)   * @ver = Pelco protocol version (Dd | Pp)
  * @pkt = Packet for calculate crc   * @pkt = Packet for calculate crc
  * return: crc for packet, if is 0 check and crc_GetErrno() == 1    * return: crc for packet, if is 0 check and crc_GetErrno() == 1 
         Pelco protocol not supported          Pelco protocol not supported
  */   */
inline u_char crcPelco(u_char ver, u_char *pkt);inline unsigned char crcPelco(unsigned char ver, unsigned char *pkt);
 
 
 /*
  * hash_varchar() - Compute index hash by variable length string
  *
  * @csStr = Input data buffer
  * @nStrLen = Length of data buffer
  * @nVer = Version of algorythm; 0 - original, 1 - AITNET variant
  * return: Hash value
 */
 inline unsigned int hash_varchar(const char *csStr, int nStrLen, int nVer);
 /*
  * hash_bernstein() - Compute index hash by Bernstein
  *
  * @csStr = Input data buffer
  * @nStrLen = Length of data buffer
  * @nVer = Version of algorythm; 0 - Bernstein, 1 - DJBX33A variant
  * return: Hash value
 */
 inline unsigned int hash_bernstein(const char *csStr, int nStrLen, int nVer);
 /*
  * hash_jenkins() - Compute index hash by Jenkins (one-at-a-time)
  *
  * @csStr = Input data buffer
  * @nStrLen = Length of data buffer
  * return: Hash value
 */
 inline unsigned int hash_jenkins(const char *csStr, int nStrLen);
 /*
  * hash_reddragon() - Compute index hash by Red Dragon
  *
  * @csStr = Input data buffer
  * @nStrLen = Length of data buffer
  * return: Hash value
 */
 inline unsigned int hash_reddragon(const char *csStr, int nStrLen);
 /*
  * hash_fnv1() - Compute index hash by FNV-1
  *
  * @csStr = Input data buffer
  * @nStrLen = Length of data buffer
  * @nVer = Version of algorythm; 0 - FNV-1, 1 - FNV-1a (best avalanche)
  * return: Hash value
 */
 inline unsigned int hash_fnv1(const char *csStr, int nStrLen, int nVer);
 
 /*
  * hash_fnv() - Compute index hash by FNV-1a
  *
  * @csStr = Input data buffer
  * @nStrLen = Length of data buffer
  * return: Hash value
 */
 #define hash_fnv(str, len)      hash_fnv1((str), (len), 1)
   
   
 #endif  #endif
Removed from v.1.2  
changed lines
  Added in v.1.5

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