1 /* Copyright (C) 2002 Red Hat, Inc. 2 This file is part of Red Hat elfutils. 3 4 Red Hat elfutils is free software; you can redistribute it and/or modify 5 it under the terms of the GNU General Public License as published by the 6 Free Software Foundation; version 2 of the License. 7 8 Red Hat elfutils is distributed in the hope that it will be useful, but 9 WITHOUT ANY WARRANTY; without even the implied warranty of 10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 11 General Public License for more details. 12 13 You should have received a copy of the GNU General Public License along 14 with Red Hat elfutils; if not, write to the Free Software Foundation, 15 Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. 16 17 In addition, as a special exception, Red Hat, Inc. gives You the 18 additional right to link the code of Red Hat elfutils with code licensed 19 under any Open Source Initiative certified open source license 20 (http://www.opensource.org/licenses/index.php) which requires the 21 distribution of source code with any binary distribution and to 22 distribute linked combinations of the two. Non-GPL Code permitted under 23 this exception must only link to the code of Red Hat elfutils through 24 those well defined interfaces identified in the file named EXCEPTION 25 found in the source code files (the "Approved Interfaces"). The files 26 of Non-GPL Code may instantiate templates or use macros or inline 27 functions from the Approved Interfaces without causing the resulting 28 work to be covered by the GNU General Public License. Only Red Hat, 29 Inc. may make changes or additions to the list of Approved Interfaces. 30 Red Hat's grant of this exception is conditioned upon your not adding 31 any new exceptions. If you wish to add a new Approved Interface or 32 exception, please contact Red Hat. You must obey the GNU General Public 33 License in all respects for all of the Red Hat elfutils code and other 34 code used in conjunction with Red Hat elfutils except the Non-GPL Code 35 covered by this exception. If you modify this file, you may extend this 36 exception to your version of the file, but you are not obligated to do 37 so. If you do not wish to provide this exception without modification, 38 you must delete this exception statement from your version and license 39 this file solely under the GPL without exception. 40 41 Red Hat elfutils is an included package of the Open Invention Network. 42 An included package of the Open Invention Network is a package for which 43 Open Invention Network licensees cross-license their patents. No patent 44 license is granted, either expressly or impliedly, by designation as an 45 included package. Should you wish to participate in the Open Invention 46 Network licensing program, please visit www.openinventionnetwork.com 47 <http://www.openinventionnetwork.com>. */ 48 49 #include <stdint.h> 50 #include "system.h" 51 52 53 /* Table computed with Mark Adler's makecrc.c utility. */ 54 static const uint32_t crc32_table[256] = 55 { 56 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 57 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 58 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 59 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 60 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, 61 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 62 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 63 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 64 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 65 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a, 66 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 67 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 68 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 69 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 70 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e, 71 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, 72 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 73 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, 74 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 75 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 76 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 77 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 78 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010, 79 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, 80 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 81 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 82 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, 83 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 84 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344, 85 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 86 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 87 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 88 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 89 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, 90 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 91 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 92 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 93 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 94 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c, 95 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, 96 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 97 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, 98 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 99 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 100 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278, 101 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 102 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66, 103 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, 104 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 105 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 106 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 107 0x2d02ef8d 108 }; 109 110 uint32_t 111 crc32 (uint32_t crc, unsigned char *buf, size_t len) 112 { 113 unsigned char *end; 114 115 crc = ~crc; 116 for (end = buf + len; buf < end; ++buf) 117 crc = crc32_table[(crc ^ *buf) & 0xff] ^ (crc >> 8); 118 return ~crc; 119 } 120
