| 1 |
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| 2 | /*-------------------------------------------------------------*/
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| 3 | /*--- Table for doing CRCs ---*/
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| 4 | /*--- crctable.c ---*/
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| 5 | /*-------------------------------------------------------------*/
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| 6 |
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| 7 | /*--
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| 8 | This file is a part of bzip2 and/or libbzip2, a program and
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| 9 | library for lossless, block-sorting data compression.
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| 10 |
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| 11 | Copyright (C) 1996-2005 Julian R Seward. All rights reserved.
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| 12 |
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| 13 | Redistribution and use in source and binary forms, with or without
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| 14 | modification, are permitted provided that the following conditions
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| 15 | are met:
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| 16 |
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| 17 | 1. Redistributions of source code must retain the above copyright
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| 18 | notice, this list of conditions and the following disclaimer.
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| 19 |
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| 20 | 2. The origin of this software must not be misrepresented; you must
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| 21 | not claim that you wrote the original software. If you use this
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| 22 | software in a product, an acknowledgment in the product
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| 23 | documentation would be appreciated but is not required.
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| 24 |
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| 25 | 3. Altered source versions must be plainly marked as such, and must
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| 26 | not be misrepresented as being the original software.
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| 27 |
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| 28 | 4. The name of the author may not be used to endorse or promote
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| 29 | products derived from this software without specific prior written
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| 30 | permission.
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| 31 |
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| 32 | THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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| 33 | OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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| 34 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 35 | ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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| 36 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 37 | DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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| 38 | GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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| 39 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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| 40 | WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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| 41 | NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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| 42 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 43 |
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| 44 | Julian Seward, Cambridge, UK.
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| 45 | jseward@bzip.org
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| 46 | bzip2/libbzip2 version 1.0 of 21 March 2000
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| 47 |
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| 48 | This program is based on (at least) the work of:
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| 49 | Mike Burrows
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| 50 | David Wheeler
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| 51 | Peter Fenwick
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| 52 | Alistair Moffat
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| 53 | Radford Neal
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| 54 | Ian H. Witten
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| 55 | Robert Sedgewick
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| 56 | Jon L. Bentley
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| 57 |
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| 58 | For more information on these sources, see the manual.
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| 59 | --*/
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| 60 |
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| 61 |
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| 62 | #include "bzlib_private.h"
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| 63 |
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| 64 | /*--
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| 65 | I think this is an implementation of the AUTODIN-II,
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| 66 | Ethernet & FDDI 32-bit CRC standard. Vaguely derived
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| 67 | from code by Rob Warnock, in Section 51 of the
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| 68 | comp.compression FAQ.
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| 69 | --*/
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| 70 |
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| 71 | UInt32 BZ2_crc32Table[256] = {
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| 72 |
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| 73 | /*-- Ugly, innit? --*/
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| 74 |
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| 75 | 0x00000000L, 0x04c11db7L, 0x09823b6eL, 0x0d4326d9L,
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| 76 | 0x130476dcL, 0x17c56b6bL, 0x1a864db2L, 0x1e475005L,
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| 77 | 0x2608edb8L, 0x22c9f00fL, 0x2f8ad6d6L, 0x2b4bcb61L,
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| 78 | 0x350c9b64L, 0x31cd86d3L, 0x3c8ea00aL, 0x384fbdbdL,
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| 79 | 0x4c11db70L, 0x48d0c6c7L, 0x4593e01eL, 0x4152fda9L,
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| 80 | 0x5f15adacL, 0x5bd4b01bL, 0x569796c2L, 0x52568b75L,
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| 81 | 0x6a1936c8L, 0x6ed82b7fL, 0x639b0da6L, 0x675a1011L,
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| 82 | 0x791d4014L, 0x7ddc5da3L, 0x709f7b7aL, 0x745e66cdL,
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| 83 | 0x9823b6e0L, 0x9ce2ab57L, 0x91a18d8eL, 0x95609039L,
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| 84 | 0x8b27c03cL, 0x8fe6dd8bL, 0x82a5fb52L, 0x8664e6e5L,
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| 85 | 0xbe2b5b58L, 0xbaea46efL, 0xb7a96036L, 0xb3687d81L,
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| 86 | 0xad2f2d84L, 0xa9ee3033L, 0xa4ad16eaL, 0xa06c0b5dL,
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| 87 | 0xd4326d90L, 0xd0f37027L, 0xddb056feL, 0xd9714b49L,
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| 88 | 0xc7361b4cL, 0xc3f706fbL, 0xceb42022L, 0xca753d95L,
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| 89 | 0xf23a8028L, 0xf6fb9d9fL, 0xfbb8bb46L, 0xff79a6f1L,
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| 90 | 0xe13ef6f4L, 0xe5ffeb43L, 0xe8bccd9aL, 0xec7dd02dL,
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| 91 | 0x34867077L, 0x30476dc0L, 0x3d044b19L, 0x39c556aeL,
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| 92 | 0x278206abL, 0x23431b1cL, 0x2e003dc5L, 0x2ac12072L,
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| 93 | 0x128e9dcfL, 0x164f8078L, 0x1b0ca6a1L, 0x1fcdbb16L,
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| 94 | 0x018aeb13L, 0x054bf6a4L, 0x0808d07dL, 0x0cc9cdcaL,
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| 95 | 0x7897ab07L, 0x7c56b6b0L, 0x71159069L, 0x75d48ddeL,
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| 96 | 0x6b93dddbL, 0x6f52c06cL, 0x6211e6b5L, 0x66d0fb02L,
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| 97 | 0x5e9f46bfL, 0x5a5e5b08L, 0x571d7dd1L, 0x53dc6066L,
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| 98 | 0x4d9b3063L, 0x495a2dd4L, 0x44190b0dL, 0x40d816baL,
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| 99 | 0xaca5c697L, 0xa864db20L, 0xa527fdf9L, 0xa1e6e04eL,
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| 100 | 0xbfa1b04bL, 0xbb60adfcL, 0xb6238b25L, 0xb2e29692L,
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| 101 | 0x8aad2b2fL, 0x8e6c3698L, 0x832f1041L, 0x87ee0df6L,
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| 102 | 0x99a95df3L, 0x9d684044L, 0x902b669dL, 0x94ea7b2aL,
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| 103 | 0xe0b41de7L, 0xe4750050L, 0xe9362689L, 0xedf73b3eL,
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| 104 | 0xf3b06b3bL, 0xf771768cL, 0xfa325055L, 0xfef34de2L,
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| 105 | 0xc6bcf05fL, 0xc27dede8L, 0xcf3ecb31L, 0xcbffd686L,
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| 106 | 0xd5b88683L, 0xd1799b34L, 0xdc3abdedL, 0xd8fba05aL,
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| 107 | 0x690ce0eeL, 0x6dcdfd59L, 0x608edb80L, 0x644fc637L,
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| 108 | 0x7a089632L, 0x7ec98b85L, 0x738aad5cL, 0x774bb0ebL,
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| 109 | 0x4f040d56L, 0x4bc510e1L, 0x46863638L, 0x42472b8fL,
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| 110 | 0x5c007b8aL, 0x58c1663dL, 0x558240e4L, 0x51435d53L,
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| 111 | 0x251d3b9eL, 0x21dc2629L, 0x2c9f00f0L, 0x285e1d47L,
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| 112 | 0x36194d42L, 0x32d850f5L, 0x3f9b762cL, 0x3b5a6b9bL,
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| 113 | 0x0315d626L, 0x07d4cb91L, 0x0a97ed48L, 0x0e56f0ffL,
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| 114 | 0x1011a0faL, 0x14d0bd4dL, 0x19939b94L, 0x1d528623L,
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| 115 | 0xf12f560eL, 0xf5ee4bb9L, 0xf8ad6d60L, 0xfc6c70d7L,
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| 116 | 0xe22b20d2L, 0xe6ea3d65L, 0xeba91bbcL, 0xef68060bL,
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| 117 | 0xd727bbb6L, 0xd3e6a601L, 0xdea580d8L, 0xda649d6fL,
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| 118 | 0xc423cd6aL, 0xc0e2d0ddL, 0xcda1f604L, 0xc960ebb3L,
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| 119 | 0xbd3e8d7eL, 0xb9ff90c9L, 0xb4bcb610L, 0xb07daba7L,
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| 120 | 0xae3afba2L, 0xaafbe615L, 0xa7b8c0ccL, 0xa379dd7bL,
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| 121 | 0x9b3660c6L, 0x9ff77d71L, 0x92b45ba8L, 0x9675461fL,
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| 122 | 0x8832161aL, 0x8cf30badL, 0x81b02d74L, 0x857130c3L,
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| 123 | 0x5d8a9099L, 0x594b8d2eL, 0x5408abf7L, 0x50c9b640L,
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| 124 | 0x4e8ee645L, 0x4a4ffbf2L, 0x470cdd2bL, 0x43cdc09cL,
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| 125 | 0x7b827d21L, 0x7f436096L, 0x7200464fL, 0x76c15bf8L,
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| 126 | 0x68860bfdL, 0x6c47164aL, 0x61043093L, 0x65c52d24L,
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| 127 | 0x119b4be9L, 0x155a565eL, 0x18197087L, 0x1cd86d30L,
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| 128 | 0x029f3d35L, 0x065e2082L, 0x0b1d065bL, 0x0fdc1becL,
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| 129 | 0x3793a651L, 0x3352bbe6L, 0x3e119d3fL, 0x3ad08088L,
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| 130 | 0x2497d08dL, 0x2056cd3aL, 0x2d15ebe3L, 0x29d4f654L,
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| 131 | 0xc5a92679L, 0xc1683bceL, 0xcc2b1d17L, 0xc8ea00a0L,
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| 132 | 0xd6ad50a5L, 0xd26c4d12L, 0xdf2f6bcbL, 0xdbee767cL,
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| 133 | 0xe3a1cbc1L, 0xe760d676L, 0xea23f0afL, 0xeee2ed18L,
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| 134 | 0xf0a5bd1dL, 0xf464a0aaL, 0xf9278673L, 0xfde69bc4L,
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| 135 | 0x89b8fd09L, 0x8d79e0beL, 0x803ac667L, 0x84fbdbd0L,
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| 136 | 0x9abc8bd5L, 0x9e7d9662L, 0x933eb0bbL, 0x97ffad0cL,
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| 137 | 0xafb010b1L, 0xab710d06L, 0xa6322bdfL, 0xa2f33668L,
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| 138 | 0xbcb4666dL, 0xb8757bdaL, 0xb5365d03L, 0xb1f740b4L
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| 139 | };
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| 140 |
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| 141 |
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| 142 | /*-------------------------------------------------------------*/
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| 143 | /*--- end crctable.c ---*/
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| 144 | /*-------------------------------------------------------------*/
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