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Diff for /libelwix/src/crc_tbl.c between versions 1.3 and 1.6

version 1.3, 2014/01/30 07:33:20 version 1.6, 2024/10/12 16:08:18
Line 12  terms: Line 12  terms:
 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>
   
Copyright 2004 - 2014Copyright 2004 - 2024
         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
Line 47  SUCH DAMAGE. Line 47  SUCH DAMAGE.
   
   
 /*   /* 
    * Table of CRC-8's of all single-byte values
    */
   static const uint8_t crc8_table[256] = {
       0x00, 0x07, 0x0E, 0x09, 0x1C, 0x1B, 0x12, 0x15,
       0x38, 0x3F, 0x36, 0x31, 0x24, 0x23, 0x2A, 0x2D,
       0x70, 0x77, 0x7E, 0x79, 0x6C, 0x6B, 0x62, 0x65,
       0x48, 0x4F, 0x46, 0x41, 0x54, 0x53, 0x5A, 0x5D,
       0xE0, 0xE7, 0xEE, 0xE9, 0xFC, 0xFB, 0xF2, 0xF5,
       0xD8, 0xDF, 0xD6, 0xD1, 0xC4, 0xC3, 0xCA, 0xCD,
       0x90, 0x97, 0x9E, 0x99, 0x8C, 0x8B, 0x82, 0x85,
       0xA8, 0xAF, 0xA6, 0xA1, 0xB4, 0xB3, 0xBA, 0xBD,
       0xC7, 0xC0, 0xC9, 0xCE, 0xDB, 0xDC, 0xD5, 0xD2,
       0xFF, 0xF8, 0xF1, 0xF6, 0xE3, 0xE4, 0xED, 0xEA,
       0xB7, 0xB0, 0xB9, 0xBE, 0xAB, 0xAC, 0xA5, 0xA2,
       0x8F, 0x88, 0x81, 0x86, 0x93, 0x94, 0x9D, 0x9A,
       0x27, 0x20, 0x29, 0x2E, 0x3B, 0x3C, 0x35, 0x32,
       0x1F, 0x18, 0x11, 0x16, 0x03, 0x04, 0x0D, 0x0A,
       0x57, 0x50, 0x59, 0x5E, 0x4B, 0x4C, 0x45, 0x42,
       0x6F, 0x68, 0x61, 0x66, 0x73, 0x74, 0x7D, 0x7A,
       0x89, 0x8E, 0x87, 0x80, 0x95, 0x92, 0x9B, 0x9C,
       0xB1, 0xB6, 0xBF, 0xB8, 0xAD, 0xAA, 0xA3, 0xA4,
       0xF9, 0xFE, 0xF7, 0xF0, 0xE5, 0xE2, 0xEB, 0xEC,
       0xC1, 0xC6, 0xCF, 0xC8, 0xDD, 0xDA, 0xD3, 0xD4,
       0x69, 0x6E, 0x67, 0x60, 0x75, 0x72, 0x7B, 0x7C,
       0x51, 0x56, 0x5F, 0x58, 0x4D, 0x4A, 0x43, 0x44,
       0x19, 0x1E, 0x17, 0x10, 0x05, 0x02, 0x0B, 0x0C,
       0x21, 0x26, 0x2F, 0x28, 0x3D, 0x3A, 0x33, 0x34,
       0x4E, 0x49, 0x40, 0x47, 0x52, 0x55, 0x5C, 0x5B,
       0x76, 0x71, 0x78, 0x7F, 0x6A, 0x6D, 0x64, 0x63,
       0x3E, 0x39, 0x30, 0x37, 0x22, 0x25, 0x2C, 0x2B,
       0x06, 0x01, 0x08, 0x0F, 0x1A, 0x1D, 0x14, 0x13,
       0xAE, 0xA9, 0xA0, 0xA7, 0xB2, 0xB5, 0xBC, 0xBB,
       0x96, 0x91, 0x98, 0x9F, 0x8A, 0x8D, 0x84, 0x83,
       0xDE, 0xD9, 0xD0, 0xD7, 0xC2, 0xC5, 0xCC, 0xCB,
       0xE6, 0xE1, 0xE8, 0xEF, 0xFA, 0xFD, 0xF4, 0xF3
   };
   
   /* 
  * Table of CRC-32's of all single-byte values   * Table of CRC-32's of all single-byte values
  */   */
 static const uint32_t crc32_table[256] = {  static const uint32_t crc32_table[256] = {
Line 110  static const uint32_t crc32_table[256] = { Line 148  static const uint32_t crc32_table[256] = {
 #define DO8(crc, buf)   DO4(crc, buf); DO4(crc, buf);  #define DO8(crc, buf)   DO4(crc, buf); DO4(crc, buf);
   
 /*  /*
 * crc_32() - CRC32 calculation from table * crc32tbl() - CRC32 calculation from table
  *   *
  * @crc = Initial crc value   * @crc = Initial crc value
  * @buf = Data for calculation   * @buf = Data for calculation
Line 118  static const uint32_t crc32_table[256] = { Line 156  static const uint32_t crc32_table[256] = {
  * return: calculated CRC32   * return: calculated CRC32
  */   */
 uint32_t  uint32_t
crc_32(uint32_t crc, const uint8_t * __restrict buf, uint32_t len)crc32tbl(uint32_t crc, const uint8_t * __restrict buf, uint32_t len)
 {  {
           assert(buf);
   
         crc = crc ^ 0xffffffff;          crc = crc ^ 0xffffffff;
         while (len >= 8) {          while (len >= 8) {
                 DO8(crc, buf);                  DO8(crc, buf);
Line 130  crc_32(uint32_t crc, const uint8_t * __restrict buf, u Line 170  crc_32(uint32_t crc, const uint8_t * __restrict buf, u
                         DO1(crc, buf);                          DO1(crc, buf);
                 } while (--len);                  } while (--len);
         return crc ^ 0xffffffff;          return crc ^ 0xffffffff;
   }
   
   /*
    * crc8tbl() - CRC8 calculation from table
    *
    * @crc = Initial crc value
    * @buf = Data for calculation
    * @len = Length of data
    * return: calculated CRC8
    */
   uint8_t
   crc8tbl(uint8_t crc, const uint8_t * __restrict buf, uint32_t len)
   {
           assert(buf);
   
           while (len--)
                   crc = crc8_table[(*buf++) ^ crc];
   
           return crc;
   
 }  }
Removed from v.1.3  
changed lines
  Added in v.1.6

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