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version 1.4, 2011/04/28 20:28:20
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version 1.6, 2012/08/29 09:00:44
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Line 12 terms:
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Line 12 terms:
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| All of the documentation and software included in the ELWIX and AITNET |
All of the documentation and software included in the ELWIX and AITNET |
| Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
| |
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| Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 | Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 |
| by Michael Pounov <misho@elwix.org>. All rights reserved. |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
| |
|
| Redistribution and use in source and binary forms, with or without |
Redistribution and use in source and binary forms, with or without |
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Line 58 struct tagCRCPoly {
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Line 58 struct tagCRCPoly {
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| u_char poly_bits; |
u_char poly_bits; |
| u_int 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; |
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| |
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| // ------------------------------------------------------- |
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| // 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(); |
| // ------------------------------------------------------- |
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| /* |
/* |
| * 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_int crcReflect(u_int 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) |
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Line 87 inline u_int crcReflect(u_int crcNum, u_char crcBits);
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Line 87 inline u_int crcReflect(u_int crcNum, u_char crcBits);
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| * @xorCRC = Last xor CRC value |
* @xorCRC = Last xor CRC value |
| * return: -1 error, !=-1 CRC checksum |
* return: -1 error, !=-1 CRC checksum |
| */ |
*/ |
| inline u_int crcCalc(u_char * __restrict psBuf, u_int bufLen, u_char crcBits, | inline unsigned int crcCalc(unsigned char * __restrict psBuf, unsigned int bufLen, |
| u_char RevOpts, u_int initCRC, u_int xorCRC); | unsigned char crcBits, unsigned char RevOpts, |
| | unsigned int initCRC, unsigned int xorCRC); |
| |
|
| /* |
/* |
| * crcIP() Checksum in IP communication | * crcIP() - Checksum in IP communication |
| * @nBuf = Data for calculation | * |
| | * @buf = 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 crcIP(unsigned char * __restrict buf, int bufLen); |
| /* |
/* |
| * crcFletcher16() Fletcher-16 Checksum computing | * 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 crcFletcher16(u_short * __restrict nBuf, int bufLen); | inline unsigned short crcFletcher16(unsigned short * __restrict nBuf, int bufLen); |
| /* |
/* |
| * crcFletcher() Fletcher-32 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_int 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_int 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 |
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Line 129 inline u_int crcAdler(u_char * __restrict psBuf, int b
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Line 135 inline u_int crcAdler(u_char * __restrict psBuf, int b
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| /* |
/* |
| * 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); |
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| /* |
/* |
| * hash_varchar() Compute index hash by variable length string | * hash_varchar() - Compute index hash by variable length string |
| | * |
| * @csStr = Input data buffer |
* @csStr = Input data buffer |
| * @nStrLen = Length of data buffer |
* @nStrLen = Length of data buffer |
| * @nVer = Version of algorythm; 0 - original, 1 - AITNET variant |
* @nVer = Version of algorythm; 0 - original, 1 - AITNET variant |
| * return: Hash value |
* return: Hash value |
| */ |
*/ |
| inline u_int hash_varchar(const char *csStr, int nStrLen, int nVer); | inline unsigned int hash_varchar(const char *csStr, int nStrLen, int nVer); |
| /* |
/* |
| * hash_bernstein() Compute index hash by Bernstein | * hash_bernstein() - Compute index hash by Bernstein |
| | * |
| * @csStr = Input data buffer |
* @csStr = Input data buffer |
| * @nStrLen = Length of data buffer |
* @nStrLen = Length of data buffer |
| * @nVer = Version of algorythm; 0 - Bernstein, 1 - DJBX33A variant |
* @nVer = Version of algorythm; 0 - Bernstein, 1 - DJBX33A variant |
| * return: Hash value |
* return: Hash value |
| */ |
*/ |
| inline u_int hash_bernstein(const char *csStr, int nStrLen, int nVer); | inline unsigned int hash_bernstein(const char *csStr, int nStrLen, int nVer); |
| /* |
/* |
| * hash_jenkins() Compute index hash by Jenkins (one-at-a-time) | * hash_jenkins() - Compute index hash by Jenkins (one-at-a-time) |
| | * |
| * @csStr = Input data buffer |
* @csStr = Input data buffer |
| * @nStrLen = Length of data buffer |
* @nStrLen = Length of data buffer |
| * return: Hash value |
* return: Hash value |
| */ |
*/ |
| inline u_int hash_jenkins(const char *csStr, int nStrLen); | inline unsigned int hash_jenkins(const char *csStr, int nStrLen); |
| /* |
/* |
| * hash_reddragon() Compute index hash by Red Dragon | * hash_jenkins32() - Fast Jenkins hash function |
| | * |
| | * @buf = Input buffer |
| | * @len = Length of buffer |
| | * @prevhash = Previous hash, if participate in continuing hash |
| | * return: Hash value |
| | */ |
| | unsigned int hash_jenkins32(const unsigned int *buf, int len, unsigned int prevhash); |
| | /* |
| | * hash_reddragon() - Compute index hash by Red Dragon |
| | * |
| * @csStr = Input data buffer |
* @csStr = Input data buffer |
| * @nStrLen = Length of data buffer |
* @nStrLen = Length of data buffer |
| * return: Hash value |
* return: Hash value |
| */ |
*/ |
| inline u_int hash_reddragon(const char *csStr, int nStrLen); | inline unsigned int hash_reddragon(const char *csStr, int nStrLen); |
| /* |
/* |
| * hash_fnv1() Compute index hash by FNV-1 | * hash_fnv1() - Compute index hash by FNV-1 |
| | * |
| * @csStr = Input data buffer |
* @csStr = Input data buffer |
| * @nStrLen = Length of data buffer |
* @nStrLen = Length of data buffer |
| * @nVer = Version of algorythm; 0 - FNV-1, 1 - FNV-1a (best avalanche) |
* @nVer = Version of algorythm; 0 - FNV-1, 1 - FNV-1a (best avalanche) |
| * return: Hash value |
* return: Hash value |
| */ |
*/ |
| inline u_int hash_fnv1(const char *csStr, int nStrLen, int nVer); | inline unsigned int hash_fnv1(const char *csStr, int nStrLen, int nVer); |
| |
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| /* |
/* |
| * hash_fnv() Compute index hash by FNV-1a | * hash_fnv() - Compute index hash by FNV-1a |
| | * |
| * @csStr = Input data buffer |
* @csStr = Input data buffer |
| * @nStrLen = Length of data buffer |
* @nStrLen = Length of data buffer |
| * return: Hash value |
* return: Hash value |