Annotation of embedaddon/php/ext/standard/crc32.h, revision 1.1
1.1 ! misho 1: /*
! 2: +----------------------------------------------------------------------+
! 3: | PHP Version 5 |
! 4: +----------------------------------------------------------------------+
! 5: | Copyright (c) 1997-2012 The PHP Group |
! 6: +----------------------------------------------------------------------+
! 7: | This source file is subject to version 3.01 of the PHP license, |
! 8: | that is bundled with this package in the file LICENSE, and is |
! 9: | available through the world-wide-web at the following url: |
! 10: | http://www.php.net/license/3_01.txt |
! 11: | If you did not receive a copy of the PHP license and are unable to |
! 12: | obtain it through the world-wide-web, please send a note to |
! 13: | license@php.net so we can mail you a copy immediately. |
! 14: +----------------------------------------------------------------------+
! 15: | Author: Rasmus Lerdorf <rasmus@php.net> |
! 16: +----------------------------------------------------------------------+
! 17: */
! 18:
! 19: /* $Id: crc32.h 321634 2012-01-01 13:15:04Z felipe $ */
! 20:
! 21: /*
! 22: * This code implements the AUTODIN II polynomial
! 23: * The variable corresponding to the macro argument "crc" should
! 24: * be an unsigned long.
! 25: * Oroginal code by Spencer Garrett <srg@quick.com>
! 26: */
! 27:
! 28: #define CRC32(crc, ch) (crc = (crc >> 8) ^ crc32tab[(crc ^ (ch)) & 0xff])
! 29:
! 30: /* generated using the AUTODIN II polynomial
! 31: * x^32 + x^26 + x^23 + x^22 + x^16 +
! 32: * x^12 + x^11 + x^10 + x^8 + x^7 + x^5 + x^4 + x^2 + x^1 + 1
! 33: */
! 34:
! 35: static const unsigned int crc32tab[256] = {
! 36: 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba,
! 37: 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3,
! 38: 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
! 39: 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91,
! 40: 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,
! 41: 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
! 42: 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec,
! 43: 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5,
! 44: 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
! 45: 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
! 46: 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940,
! 47: 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
! 48: 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116,
! 49: 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f,
! 50: 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
! 51: 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,
! 52: 0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a,
! 53: 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
! 54: 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818,
! 55: 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
! 56: 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
! 57: 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457,
! 58: 0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c,
! 59: 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
! 60: 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,
! 61: 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb,
! 62: 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
! 63: 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9,
! 64: 0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086,
! 65: 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
! 66: 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4,
! 67: 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad,
! 68: 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
! 69: 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683,
! 70: 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,
! 71: 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
! 72: 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe,
! 73: 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7,
! 74: 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
! 75: 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
! 76: 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252,
! 77: 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
! 78: 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60,
! 79: 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79,
! 80: 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
! 81: 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f,
! 82: 0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04,
! 83: 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
! 84: 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a,
! 85: 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
! 86: 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
! 87: 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21,
! 88: 0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e,
! 89: 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
! 90: 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,
! 91: 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45,
! 92: 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
! 93: 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db,
! 94: 0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0,
! 95: 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
! 96: 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6,
! 97: 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf,
! 98: 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
! 99: 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d,
! 100: };
! 101:
! 102: /*
! 103: * Local variables:
! 104: * tab-width: 4
! 105: * c-basic-offset: 4
! 106: * End:
! 107: * vim600: sw=4 ts=4 fdm=marker
! 108: * vim<600: sw=4 ts=4
! 109: */
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