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Diffstat (limited to 'crc32.c')
| -rw-r--r-- | crc32.c | 732 |
1 files changed, 732 insertions, 0 deletions
@@ -0,0 +1,732 @@ +/* + Copyright (c) 1990-2008 Info-ZIP. All rights reserved. + + See the accompanying file LICENSE, version 2007-Mar-4 or later + (the contents of which are also included in zip.h) for terms of use. + If, for some reason, all these files are missing, the Info-ZIP license + also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html +*/ +/* crc32.c -- compute the CRC-32 of a data stream + * Copyright (C) 1995 Mark Adler + * For conditions of distribution and use, see copyright notice in zlib.h + * + * Thanks to Rodney Brown <rbrown64@csc.com.au> for his contribution of faster + * CRC methods: exclusive-oring 32 bits of data at a time, and pre-computing + * tables for updating the shift register in one step with three exclusive-ors + * instead of four steps with four exclusive-ors. This results about a factor + * of two increase in speed on a Power PC G4 (PPC7455) using gcc -O3. + */ + +/* $Id: crc32.c,v 2.0 2007/01/07 05:20:36 spc Exp $ */ + +#define __CRC32_C /* identifies this source module */ + +#include "zip.h" + +#if (!defined(USE_ZLIB) || defined(USE_OWN_CRCTAB)) + +#ifndef ZCONST +# define ZCONST const +#endif + +#include "crc32.h" + +/* When only the table of precomputed CRC values is needed, only the basic + system-independent table containing 256 entries is created; any support + for "unfolding" optimization is disabled. + */ +#if (defined(USE_ZLIB) || defined(CRC_TABLE_ONLY)) +# ifdef IZ_CRCOPTIM_UNFOLDTBL +# undef IZ_CRCOPTIM_UNFOLDTBL +# endif +#endif /* (USE_ZLIB || CRC_TABLE_ONLY) */ + +#if defined(IZ_CRCOPTIM_UNFOLDTBL) +# define CRC_TBLS 4 +#else +# define CRC_TBLS 1 +#endif + + +/* + Generate tables for a byte-wise 32-bit CRC calculation on the polynomial: + x^32+x^26+x^23+x^22+x^16+x^12+x^11+x^10+x^8+x^7+x^5+x^4+x^2+x+1. + + Polynomials over GF(2) are represented in binary, one bit per coefficient, + with the lowest powers in the most significant bit. Then adding polynomials + is just exclusive-or, and multiplying a polynomial by x is a right shift by + one. If we call the above polynomial p, and represent a byte as the + polynomial q, also with the lowest power in the most significant bit (so the + byte 0xb1 is the polynomial x^7+x^3+x+1), then the CRC is (q*x^32) mod p, + where a mod b means the remainder after dividing a by b. + + This calculation is done using the shift-register method of multiplying and + taking the remainder. The register is initialized to zero, and for each + incoming bit, x^32 is added mod p to the register if the bit is a one (where + x^32 mod p is p+x^32 = x^26+...+1), and the register is multiplied mod p by + x (which is shifting right by one and adding x^32 mod p if the bit shifted + out is a one). We start with the highest power (least significant bit) of + q and repeat for all eight bits of q. + + The first (or only) table is simply the CRC of all possible eight bit values. + This is all the information needed to generate CRC's on data a byte-at-a-time + for all combinations of CRC register values and incoming bytes. + The remaining 3 tables (if IZ_CRCOPTIM_UNFOLDTBL is enabled) allow for + word-at-a-time CRC calculation, where a word is four bytes. +*/ + +#ifdef DYNAMIC_CRC_TABLE + +/* ========================================================================= + * Make the crc table. This function is needed only if you want to compute + * the table dynamically. + */ + +local void make_crc_table OF((void)); + +#if (defined(DYNALLOC_CRCTAB) && defined(REENTRANT)) + error: Dynamic allocation of CRC table not safe with reentrant code. +#endif /* DYNALLOC_CRCTAB && REENTRANT */ + +#ifdef DYNALLOC_CRCTAB + local ulg near *crc_table = NULL; +# if 0 /* not used, since sizeof("near *") <= sizeof(int) */ + /* Use this section when access to a "local int" is faster than access to + a "local pointer" (e.g.: i86 16bit code with far pointers). */ + local int crc_table_empty = 1; +# define CRC_TABLE_IS_EMPTY (crc_table_empty != 0) +# define MARK_CRCTAB_FILLED crc_table_empty = 0 +# define MARK_CRCTAB_EMPTY crc_table_empty = 1 +# else + /* Use this section on systems where the size of pointers and ints is + equal (e.g.: all 32bit systems). */ +# define CRC_TABLE_IS_EMPTY (crc_table == NULL) +# define MARK_CRCTAB_FILLED crc_table = crctab_p +# define MARK_CRCTAB_EMPTY crc_table = NULL +# endif +#else /* !DYNALLOC_CRCTAB */ + local ulg near crc_table[CRC_TBLS*256]; + local int crc_table_empty = 1; +# define CRC_TABLE_IS_EMPTY (crc_table_empty != 0) +# define MARK_CRCTAB_FILLED crc_table_empty = 0 +#endif /* ?DYNALLOC_CRCTAB */ + + +local void make_crc_table() +{ + ulg c; /* crc shift register */ + int n; /* counter for all possible eight bit values */ + int k; /* byte being shifted into crc apparatus */ +#ifdef DYNALLOC_CRCTAB + ulg near *crctab_p; /* temporary pointer to allocated crc_table area */ +#else /* !DYNALLOC_CRCTAB */ +# define crctab_p crc_table +#endif /* DYNALLOC_CRCTAB */ + +#ifdef COMPUTE_XOR_PATTERN + /* This piece of code has been left here to explain how the XOR pattern + * used in the creation of the crc_table values can be recomputed. + * For production versions of this function, it is more efficient to + * supply the resultant pattern at compile time. + */ + ulg xor; /* polynomial exclusive-or pattern */ + /* terms of polynomial defining this crc (except x^32): */ + static ZCONST uch p[] = {0,1,2,4,5,7,8,10,11,12,16,22,23,26}; + + /* make exclusive-or pattern from polynomial (0xedb88320L) */ + xor = 0L; + for (n = 0; n < sizeof(p)/sizeof(uch); n++) + xor |= 1L << (31 - p[n]); +#else +# define xor 0xedb88320L +#endif + +#ifdef DYNALLOC_CRCTAB + crctab_p = (ulg near *) nearmalloc (CRC_TBLS*256*sizeof(ulg)); + if (crctab_p == NULL) { + ziperr(ZE_MEM, "crc_table allocation"); + } +#endif /* DYNALLOC_CRCTAB */ + + /* generate a crc for every 8-bit value */ + for (n = 0; n < 256; n++) { + c = (ulg)n; + for (k = 8; k; k--) + c = c & 1 ? xor ^ (c >> 1) : c >> 1; + crctab_p[n] = REV_BE(c); + } + +#ifdef IZ_CRCOPTIM_UNFOLDTBL + /* generate crc for each value followed by one, two, and three zeros */ + for (n = 0; n < 256; n++) { + c = crctab_p[n]; + for (k = 1; k < 4; k++) { + c = CRC32(c, 0, crctab_p); + crctab_p[k*256+n] = c; + } + } +#endif /* IZ_CRCOPTIM_UNFOLDTBL */ + + MARK_CRCTAB_FILLED; +} + +#else /* !DYNAMIC_CRC_TABLE */ + +#ifdef DYNALLOC_CRCTAB + error: Inconsistent flags, DYNALLOC_CRCTAB without DYNAMIC_CRC_TABLE. +#endif + +/* ======================================================================== + * Table of CRC-32's of all single-byte values (made by make_crc_table) + */ +local ZCONST ulg near crc_table[CRC_TBLS*256] = { +# ifdef IZ_CRC_BE_OPTIMIZ + 0x00000000L, 0x96300777L, 0x2c610eeeL, 0xba510999L, 0x19c46d07L, + 0x8ff46a70L, 0x35a563e9L, 0xa395649eL, 0x3288db0eL, 0xa4b8dc79L, + 0x1ee9d5e0L, 0x88d9d297L, 0x2b4cb609L, 0xbd7cb17eL, 0x072db8e7L, + 0x911dbf90L, 0x6410b71dL, 0xf220b06aL, 0x4871b9f3L, 0xde41be84L, + 0x7dd4da1aL, 0xebe4dd6dL, 0x51b5d4f4L, 0xc785d383L, 0x56986c13L, + 0xc0a86b64L, 0x7af962fdL, 0xecc9658aL, 0x4f5c0114L, 0xd96c0663L, + 0x633d0ffaL, 0xf50d088dL, 0xc8206e3bL, 0x5e10694cL, 0xe44160d5L, + 0x727167a2L, 0xd1e4033cL, 0x47d4044bL, 0xfd850dd2L, 0x6bb50aa5L, + 0xfaa8b535L, 0x6c98b242L, 0xd6c9bbdbL, 0x40f9bcacL, 0xe36cd832L, + 0x755cdf45L, 0xcf0dd6dcL, 0x593dd1abL, 0xac30d926L, 0x3a00de51L, + 0x8051d7c8L, 0x1661d0bfL, 0xb5f4b421L, 0x23c4b356L, 0x9995bacfL, + 0x0fa5bdb8L, 0x9eb80228L, 0x0888055fL, 0xb2d90cc6L, 0x24e90bb1L, + 0x877c6f2fL, 0x114c6858L, 0xab1d61c1L, 0x3d2d66b6L, 0x9041dc76L, + 0x0671db01L, 0xbc20d298L, 0x2a10d5efL, 0x8985b171L, 0x1fb5b606L, + 0xa5e4bf9fL, 0x33d4b8e8L, 0xa2c90778L, 0x34f9000fL, 0x8ea80996L, + 0x18980ee1L, 0xbb0d6a7fL, 0x2d3d6d08L, 0x976c6491L, 0x015c63e6L, + 0xf4516b6bL, 0x62616c1cL, 0xd8306585L, 0x4e0062f2L, 0xed95066cL, + 0x7ba5011bL, 0xc1f40882L, 0x57c40ff5L, 0xc6d9b065L, 0x50e9b712L, + 0xeab8be8bL, 0x7c88b9fcL, 0xdf1ddd62L, 0x492dda15L, 0xf37cd38cL, + 0x654cd4fbL, 0x5861b24dL, 0xce51b53aL, 0x7400bca3L, 0xe230bbd4L, + 0x41a5df4aL, 0xd795d83dL, 0x6dc4d1a4L, 0xfbf4d6d3L, 0x6ae96943L, + 0xfcd96e34L, 0x468867adL, 0xd0b860daL, 0x732d0444L, 0xe51d0333L, + 0x5f4c0aaaL, 0xc97c0dddL, 0x3c710550L, 0xaa410227L, 0x10100bbeL, + 0x86200cc9L, 0x25b56857L, 0xb3856f20L, 0x09d466b9L, 0x9fe461ceL, + 0x0ef9de5eL, 0x98c9d929L, 0x2298d0b0L, 0xb4a8d7c7L, 0x173db359L, + 0x810db42eL, 0x3b5cbdb7L, 0xad6cbac0L, 0x2083b8edL, 0xb6b3bf9aL, + 0x0ce2b603L, 0x9ad2b174L, 0x3947d5eaL, 0xaf77d29dL, 0x1526db04L, + 0x8316dc73L, 0x120b63e3L, 0x843b6494L, 0x3e6a6d0dL, 0xa85a6a7aL, + 0x0bcf0ee4L, 0x9dff0993L, 0x27ae000aL, 0xb19e077dL, 0x44930ff0L, + 0xd2a30887L, 0x68f2011eL, 0xfec20669L, 0x5d5762f7L, 0xcb676580L, + 0x71366c19L, 0xe7066b6eL, 0x761bd4feL, 0xe02bd389L, 0x5a7ada10L, + 0xcc4add67L, 0x6fdfb9f9L, 0xf9efbe8eL, 0x43beb717L, 0xd58eb060L, + 0xe8a3d6d6L, 0x7e93d1a1L, 0xc4c2d838L, 0x52f2df4fL, 0xf167bbd1L, + 0x6757bca6L, 0xdd06b53fL, 0x4b36b248L, 0xda2b0dd8L, 0x4c1b0aafL, + 0xf64a0336L, 0x607a0441L, 0xc3ef60dfL, 0x55df67a8L, 0xef8e6e31L, + 0x79be6946L, 0x8cb361cbL, 0x1a8366bcL, 0xa0d26f25L, 0x36e26852L, + 0x95770cccL, 0x03470bbbL, 0xb9160222L, 0x2f260555L, 0xbe3bbac5L, + 0x280bbdb2L, 0x925ab42bL, 0x046ab35cL, 0xa7ffd7c2L, 0x31cfd0b5L, + 0x8b9ed92cL, 0x1daede5bL, 0xb0c2649bL, 0x26f263ecL, 0x9ca36a75L, + 0x0a936d02L, 0xa906099cL, 0x3f360eebL, 0x85670772L, 0x13570005L, + 0x824abf95L, 0x147ab8e2L, 0xae2bb17bL, 0x381bb60cL, 0x9b8ed292L, + 0x0dbed5e5L, 0xb7efdc7cL, 0x21dfdb0bL, 0xd4d2d386L, 0x42e2d4f1L, + 0xf8b3dd68L, 0x6e83da1fL, 0xcd16be81L, 0x5b26b9f6L, 0xe177b06fL, + 0x7747b718L, 0xe65a0888L, 0x706a0fffL, 0xca3b0666L, 0x5c0b0111L, + 0xff9e658fL, 0x69ae62f8L, 0xd3ff6b61L, 0x45cf6c16L, 0x78e20aa0L, + 0xeed20dd7L, 0x5483044eL, 0xc2b30339L, 0x612667a7L, 0xf71660d0L, + 0x4d476949L, 0xdb776e3eL, 0x4a6ad1aeL, 0xdc5ad6d9L, 0x660bdf40L, + 0xf03bd837L, 0x53aebca9L, 0xc59ebbdeL, 0x7fcfb247L, 0xe9ffb530L, + 0x1cf2bdbdL, 0x8ac2bacaL, 0x3093b353L, 0xa6a3b424L, 0x0536d0baL, + 0x9306d7cdL, 0x2957de54L, 0xbf67d923L, 0x2e7a66b3L, 0xb84a61c4L, + 0x021b685dL, 0x942b6f2aL, 0x37be0bb4L, 0xa18e0cc3L, 0x1bdf055aL, + 0x8def022dL +# ifdef IZ_CRCOPTIM_UNFOLDTBL + , + 0x00000000L, 0x41311b19L, 0x82623632L, 0xc3532d2bL, 0x04c56c64L, + 0x45f4777dL, 0x86a75a56L, 0xc796414fL, 0x088ad9c8L, 0x49bbc2d1L, + 0x8ae8effaL, 0xcbd9f4e3L, 0x0c4fb5acL, 0x4d7eaeb5L, 0x8e2d839eL, + 0xcf1c9887L, 0x5112c24aL, 0x1023d953L, 0xd370f478L, 0x9241ef61L, + 0x55d7ae2eL, 0x14e6b537L, 0xd7b5981cL, 0x96848305L, 0x59981b82L, + 0x18a9009bL, 0xdbfa2db0L, 0x9acb36a9L, 0x5d5d77e6L, 0x1c6c6cffL, + 0xdf3f41d4L, 0x9e0e5acdL, 0xa2248495L, 0xe3159f8cL, 0x2046b2a7L, + 0x6177a9beL, 0xa6e1e8f1L, 0xe7d0f3e8L, 0x2483dec3L, 0x65b2c5daL, + 0xaaae5d5dL, 0xeb9f4644L, 0x28cc6b6fL, 0x69fd7076L, 0xae6b3139L, + 0xef5a2a20L, 0x2c09070bL, 0x6d381c12L, 0xf33646dfL, 0xb2075dc6L, + 0x715470edL, 0x30656bf4L, 0xf7f32abbL, 0xb6c231a2L, 0x75911c89L, + 0x34a00790L, 0xfbbc9f17L, 0xba8d840eL, 0x79dea925L, 0x38efb23cL, + 0xff79f373L, 0xbe48e86aL, 0x7d1bc541L, 0x3c2ade58L, 0x054f79f0L, + 0x447e62e9L, 0x872d4fc2L, 0xc61c54dbL, 0x018a1594L, 0x40bb0e8dL, + 0x83e823a6L, 0xc2d938bfL, 0x0dc5a038L, 0x4cf4bb21L, 0x8fa7960aL, + 0xce968d13L, 0x0900cc5cL, 0x4831d745L, 0x8b62fa6eL, 0xca53e177L, + 0x545dbbbaL, 0x156ca0a3L, 0xd63f8d88L, 0x970e9691L, 0x5098d7deL, + 0x11a9ccc7L, 0xd2fae1ecL, 0x93cbfaf5L, 0x5cd76272L, 0x1de6796bL, + 0xdeb55440L, 0x9f844f59L, 0x58120e16L, 0x1923150fL, 0xda703824L, + 0x9b41233dL, 0xa76bfd65L, 0xe65ae67cL, 0x2509cb57L, 0x6438d04eL, + 0xa3ae9101L, 0xe29f8a18L, 0x21cca733L, 0x60fdbc2aL, 0xafe124adL, + 0xeed03fb4L, 0x2d83129fL, 0x6cb20986L, 0xab2448c9L, 0xea1553d0L, + 0x29467efbL, 0x687765e2L, 0xf6793f2fL, 0xb7482436L, 0x741b091dL, + 0x352a1204L, 0xf2bc534bL, 0xb38d4852L, 0x70de6579L, 0x31ef7e60L, + 0xfef3e6e7L, 0xbfc2fdfeL, 0x7c91d0d5L, 0x3da0cbccL, 0xfa368a83L, + 0xbb07919aL, 0x7854bcb1L, 0x3965a7a8L, 0x4b98833bL, 0x0aa99822L, + 0xc9fab509L, 0x88cbae10L, 0x4f5def5fL, 0x0e6cf446L, 0xcd3fd96dL, + 0x8c0ec274L, 0x43125af3L, 0x022341eaL, 0xc1706cc1L, 0x804177d8L, + 0x47d73697L, 0x06e62d8eL, 0xc5b500a5L, 0x84841bbcL, 0x1a8a4171L, + 0x5bbb5a68L, 0x98e87743L, 0xd9d96c5aL, 0x1e4f2d15L, 0x5f7e360cL, + 0x9c2d1b27L, 0xdd1c003eL, 0x120098b9L, 0x533183a0L, 0x9062ae8bL, + 0xd153b592L, 0x16c5f4ddL, 0x57f4efc4L, 0x94a7c2efL, 0xd596d9f6L, + 0xe9bc07aeL, 0xa88d1cb7L, 0x6bde319cL, 0x2aef2a85L, 0xed796bcaL, + 0xac4870d3L, 0x6f1b5df8L, 0x2e2a46e1L, 0xe136de66L, 0xa007c57fL, + 0x6354e854L, 0x2265f34dL, 0xe5f3b202L, 0xa4c2a91bL, 0x67918430L, + 0x26a09f29L, 0xb8aec5e4L, 0xf99fdefdL, 0x3accf3d6L, 0x7bfde8cfL, + 0xbc6ba980L, 0xfd5ab299L, 0x3e099fb2L, 0x7f3884abL, 0xb0241c2cL, + 0xf1150735L, 0x32462a1eL, 0x73773107L, 0xb4e17048L, 0xf5d06b51L, + 0x3683467aL, 0x77b25d63L, 0x4ed7facbL, 0x0fe6e1d2L, 0xccb5ccf9L, + 0x8d84d7e0L, 0x4a1296afL, 0x0b238db6L, 0xc870a09dL, 0x8941bb84L, + 0x465d2303L, 0x076c381aL, 0xc43f1531L, 0x850e0e28L, 0x42984f67L, + 0x03a9547eL, 0xc0fa7955L, 0x81cb624cL, 0x1fc53881L, 0x5ef42398L, + 0x9da70eb3L, 0xdc9615aaL, 0x1b0054e5L, 0x5a314ffcL, 0x996262d7L, + 0xd85379ceL, 0x174fe149L, 0x567efa50L, 0x952dd77bL, 0xd41ccc62L, + 0x138a8d2dL, 0x52bb9634L, 0x91e8bb1fL, 0xd0d9a006L, 0xecf37e5eL, + 0xadc26547L, 0x6e91486cL, 0x2fa05375L, 0xe836123aL, 0xa9070923L, + 0x6a542408L, 0x2b653f11L, 0xe479a796L, 0xa548bc8fL, 0x661b91a4L, + 0x272a8abdL, 0xe0bccbf2L, 0xa18dd0ebL, 0x62defdc0L, 0x23efe6d9L, + 0xbde1bc14L, 0xfcd0a70dL, 0x3f838a26L, 0x7eb2913fL, 0xb924d070L, + 0xf815cb69L, 0x3b46e642L, 0x7a77fd5bL, 0xb56b65dcL, 0xf45a7ec5L, + 0x370953eeL, 0x763848f7L, 0xb1ae09b8L, 0xf09f12a1L, 0x33cc3f8aL, + 0x72fd2493L + , + 0x00000000L, 0x376ac201L, 0x6ed48403L, 0x59be4602L, 0xdca80907L, + 0xebc2cb06L, 0xb27c8d04L, 0x85164f05L, 0xb851130eL, 0x8f3bd10fL, + 0xd685970dL, 0xe1ef550cL, 0x64f91a09L, 0x5393d808L, 0x0a2d9e0aL, + 0x3d475c0bL, 0x70a3261cL, 0x47c9e41dL, 0x1e77a21fL, 0x291d601eL, + 0xac0b2f1bL, 0x9b61ed1aL, 0xc2dfab18L, 0xf5b56919L, 0xc8f23512L, + 0xff98f713L, 0xa626b111L, 0x914c7310L, 0x145a3c15L, 0x2330fe14L, + 0x7a8eb816L, 0x4de47a17L, 0xe0464d38L, 0xd72c8f39L, 0x8e92c93bL, + 0xb9f80b3aL, 0x3cee443fL, 0x0b84863eL, 0x523ac03cL, 0x6550023dL, + 0x58175e36L, 0x6f7d9c37L, 0x36c3da35L, 0x01a91834L, 0x84bf5731L, + 0xb3d59530L, 0xea6bd332L, 0xdd011133L, 0x90e56b24L, 0xa78fa925L, + 0xfe31ef27L, 0xc95b2d26L, 0x4c4d6223L, 0x7b27a022L, 0x2299e620L, + 0x15f32421L, 0x28b4782aL, 0x1fdeba2bL, 0x4660fc29L, 0x710a3e28L, + 0xf41c712dL, 0xc376b32cL, 0x9ac8f52eL, 0xada2372fL, 0xc08d9a70L, + 0xf7e75871L, 0xae591e73L, 0x9933dc72L, 0x1c259377L, 0x2b4f5176L, + 0x72f11774L, 0x459bd575L, 0x78dc897eL, 0x4fb64b7fL, 0x16080d7dL, + 0x2162cf7cL, 0xa4748079L, 0x931e4278L, 0xcaa0047aL, 0xfdcac67bL, + 0xb02ebc6cL, 0x87447e6dL, 0xdefa386fL, 0xe990fa6eL, 0x6c86b56bL, + 0x5bec776aL, 0x02523168L, 0x3538f369L, 0x087faf62L, 0x3f156d63L, + 0x66ab2b61L, 0x51c1e960L, 0xd4d7a665L, 0xe3bd6464L, 0xba032266L, + 0x8d69e067L, 0x20cbd748L, 0x17a11549L, 0x4e1f534bL, 0x7975914aL, + 0xfc63de4fL, 0xcb091c4eL, 0x92b75a4cL, 0xa5dd984dL, 0x989ac446L, + 0xaff00647L, 0xf64e4045L, 0xc1248244L, 0x4432cd41L, 0x73580f40L, + 0x2ae64942L, 0x1d8c8b43L, 0x5068f154L, 0x67023355L, 0x3ebc7557L, + 0x09d6b756L, 0x8cc0f853L, 0xbbaa3a52L, 0xe2147c50L, 0xd57ebe51L, + 0xe839e25aL, 0xdf53205bL, 0x86ed6659L, 0xb187a458L, 0x3491eb5dL, + 0x03fb295cL, 0x5a456f5eL, 0x6d2fad5fL, 0x801b35e1L, 0xb771f7e0L, + 0xeecfb1e2L, 0xd9a573e3L, 0x5cb33ce6L, 0x6bd9fee7L, 0x3267b8e5L, + 0x050d7ae4L, 0x384a26efL, 0x0f20e4eeL, 0x569ea2ecL, 0x61f460edL, + 0xe4e22fe8L, 0xd388ede9L, 0x8a36abebL, 0xbd5c69eaL, 0xf0b813fdL, + 0xc7d2d1fcL, 0x9e6c97feL, 0xa90655ffL, 0x2c101afaL, 0x1b7ad8fbL, + 0x42c49ef9L, 0x75ae5cf8L, 0x48e900f3L, 0x7f83c2f2L, 0x263d84f0L, + 0x115746f1L, 0x944109f4L, 0xa32bcbf5L, 0xfa958df7L, 0xcdff4ff6L, + 0x605d78d9L, 0x5737bad8L, 0x0e89fcdaL, 0x39e33edbL, 0xbcf571deL, + 0x8b9fb3dfL, 0xd221f5ddL, 0xe54b37dcL, 0xd80c6bd7L, 0xef66a9d6L, + 0xb6d8efd4L, 0x81b22dd5L, 0x04a462d0L, 0x33cea0d1L, 0x6a70e6d3L, + 0x5d1a24d2L, 0x10fe5ec5L, 0x27949cc4L, 0x7e2adac6L, 0x494018c7L, + 0xcc5657c2L, 0xfb3c95c3L, 0xa282d3c1L, 0x95e811c0L, 0xa8af4dcbL, + 0x9fc58fcaL, 0xc67bc9c8L, 0xf1110bc9L, 0x740744ccL, 0x436d86cdL, + 0x1ad3c0cfL, 0x2db902ceL, 0x4096af91L, 0x77fc6d90L, 0x2e422b92L, + 0x1928e993L, 0x9c3ea696L, 0xab546497L, 0xf2ea2295L, 0xc580e094L, + 0xf8c7bc9fL, 0xcfad7e9eL, 0x9613389cL, 0xa179fa9dL, 0x246fb598L, + 0x13057799L, 0x4abb319bL, 0x7dd1f39aL, 0x3035898dL, 0x075f4b8cL, + 0x5ee10d8eL, 0x698bcf8fL, 0xec9d808aL, 0xdbf7428bL, 0x82490489L, + 0xb523c688L, 0x88649a83L, 0xbf0e5882L, 0xe6b01e80L, 0xd1dadc81L, + 0x54cc9384L, 0x63a65185L, 0x3a181787L, 0x0d72d586L, 0xa0d0e2a9L, + 0x97ba20a8L, 0xce0466aaL, 0xf96ea4abL, 0x7c78ebaeL, 0x4b1229afL, + 0x12ac6fadL, 0x25c6adacL, 0x1881f1a7L, 0x2feb33a6L, 0x765575a4L, + 0x413fb7a5L, 0xc429f8a0L, 0xf3433aa1L, 0xaafd7ca3L, 0x9d97bea2L, + 0xd073c4b5L, 0xe71906b4L, 0xbea740b6L, 0x89cd82b7L, 0x0cdbcdb2L, + 0x3bb10fb3L, 0x620f49b1L, 0x55658bb0L, 0x6822d7bbL, 0x5f4815baL, + 0x06f653b8L, 0x319c91b9L, 0xb48adebcL, 0x83e01cbdL, 0xda5e5abfL, + 0xed3498beL + , + 0x00000000L, 0x6567bcb8L, 0x8bc809aaL, 0xeeafb512L, 0x5797628fL, + 0x32f0de37L, 0xdc5f6b25L, 0xb938d79dL, 0xef28b4c5L, 0x8a4f087dL, + 0x64e0bd6fL, 0x018701d7L, 0xb8bfd64aL, 0xddd86af2L, 0x3377dfe0L, + 0x56106358L, 0x9f571950L, 0xfa30a5e8L, 0x149f10faL, 0x71f8ac42L, + 0xc8c07bdfL, 0xada7c767L, 0x43087275L, 0x266fcecdL, 0x707fad95L, + 0x1518112dL, 0xfbb7a43fL, 0x9ed01887L, 0x27e8cf1aL, 0x428f73a2L, + 0xac20c6b0L, 0xc9477a08L, 0x3eaf32a0L, 0x5bc88e18L, 0xb5673b0aL, + 0xd00087b2L, 0x6938502fL, 0x0c5fec97L, 0xe2f05985L, 0x8797e53dL, + 0xd1878665L, 0xb4e03addL, 0x5a4f8fcfL, 0x3f283377L, 0x8610e4eaL, + 0xe3775852L, 0x0dd8ed40L, 0x68bf51f8L, 0xa1f82bf0L, 0xc49f9748L, + 0x2a30225aL, 0x4f579ee2L, 0xf66f497fL, 0x9308f5c7L, 0x7da740d5L, + 0x18c0fc6dL, 0x4ed09f35L, 0x2bb7238dL, 0xc518969fL, 0xa07f2a27L, + 0x1947fdbaL, 0x7c204102L, 0x928ff410L, 0xf7e848a8L, 0x3d58149bL, + 0x583fa823L, 0xb6901d31L, 0xd3f7a189L, 0x6acf7614L, 0x0fa8caacL, + 0xe1077fbeL, 0x8460c306L, 0xd270a05eL, 0xb7171ce6L, 0x59b8a9f4L, + 0x3cdf154cL, 0x85e7c2d1L, 0xe0807e69L, 0x0e2fcb7bL, 0x6b4877c3L, + 0xa20f0dcbL, 0xc768b173L, 0x29c70461L, 0x4ca0b8d9L, 0xf5986f44L, + 0x90ffd3fcL, 0x7e5066eeL, 0x1b37da56L, 0x4d27b90eL, 0x284005b6L, + 0xc6efb0a4L, 0xa3880c1cL, 0x1ab0db81L, 0x7fd76739L, 0x9178d22bL, + 0xf41f6e93L, 0x03f7263bL, 0x66909a83L, 0x883f2f91L, 0xed589329L, + 0x546044b4L, 0x3107f80cL, 0xdfa84d1eL, 0xbacff1a6L, 0xecdf92feL, + 0x89b82e46L, 0x67179b54L, 0x027027ecL, 0xbb48f071L, 0xde2f4cc9L, + 0x3080f9dbL, 0x55e74563L, 0x9ca03f6bL, 0xf9c783d3L, 0x176836c1L, + 0x720f8a79L, 0xcb375de4L, 0xae50e15cL, 0x40ff544eL, 0x2598e8f6L, + 0x73888baeL, 0x16ef3716L, 0xf8408204L, 0x9d273ebcL, 0x241fe921L, + 0x41785599L, 0xafd7e08bL, 0xcab05c33L, 0x3bb659edL, 0x5ed1e555L, + 0xb07e5047L, 0xd519ecffL, 0x6c213b62L, 0x094687daL, 0xe7e932c8L, + 0x828e8e70L, 0xd49eed28L, 0xb1f95190L, 0x5f56e482L, 0x3a31583aL, + 0x83098fa7L, 0xe66e331fL, 0x08c1860dL, 0x6da63ab5L, 0xa4e140bdL, + 0xc186fc05L, 0x2f294917L, 0x4a4ef5afL, 0xf3762232L, 0x96119e8aL, + 0x78be2b98L, 0x1dd99720L, 0x4bc9f478L, 0x2eae48c0L, 0xc001fdd2L, + 0xa566416aL, 0x1c5e96f7L, 0x79392a4fL, 0x97969f5dL, 0xf2f123e5L, + 0x05196b4dL, 0x607ed7f5L, 0x8ed162e7L, 0xebb6de5fL, 0x528e09c2L, + 0x37e9b57aL, 0xd9460068L, 0xbc21bcd0L, 0xea31df88L, 0x8f566330L, + 0x61f9d622L, 0x049e6a9aL, 0xbda6bd07L, 0xd8c101bfL, 0x366eb4adL, + 0x53090815L, 0x9a4e721dL, 0xff29cea5L, 0x11867bb7L, 0x74e1c70fL, + 0xcdd91092L, 0xa8beac2aL, 0x46111938L, 0x2376a580L, 0x7566c6d8L, + 0x10017a60L, 0xfeaecf72L, 0x9bc973caL, 0x22f1a457L, 0x479618efL, + 0xa939adfdL, 0xcc5e1145L, 0x06ee4d76L, 0x6389f1ceL, 0x8d2644dcL, + 0xe841f864L, 0x51792ff9L, 0x341e9341L, 0xdab12653L, 0xbfd69aebL, + 0xe9c6f9b3L, 0x8ca1450bL, 0x620ef019L, 0x07694ca1L, 0xbe519b3cL, + 0xdb362784L, 0x35999296L, 0x50fe2e2eL, 0x99b95426L, 0xfcdee89eL, + 0x12715d8cL, 0x7716e134L, 0xce2e36a9L, 0xab498a11L, 0x45e63f03L, + 0x208183bbL, 0x7691e0e3L, 0x13f65c5bL, 0xfd59e949L, 0x983e55f1L, + 0x2106826cL, 0x44613ed4L, 0xaace8bc6L, 0xcfa9377eL, 0x38417fd6L, + 0x5d26c36eL, 0xb389767cL, 0xd6eecac4L, 0x6fd61d59L, 0x0ab1a1e1L, + 0xe41e14f3L, 0x8179a84bL, 0xd769cb13L, 0xb20e77abL, 0x5ca1c2b9L, + 0x39c67e01L, 0x80fea99cL, 0xe5991524L, 0x0b36a036L, 0x6e511c8eL, + 0xa7166686L, 0xc271da3eL, 0x2cde6f2cL, 0x49b9d394L, 0xf0810409L, + 0x95e6b8b1L, 0x7b490da3L, 0x1e2eb11bL, 0x483ed243L, 0x2d596efbL, + 0xc3f6dbe9L, 0xa6916751L, 0x1fa9b0ccL, 0x7ace0c74L, 0x9461b966L, + 0xf10605deL +# endif /* IZ_CRCOPTIM_UNFOLDTBL */ +# else /* !IZ_CRC_BE_OPTIMIZ */ + 0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L, + 0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L, + 0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L, + 0x90bf1d91L, 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL, + 0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, 0x136c9856L, + 0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L, + 0xfa0f3d63L, 0x8d080df5L, 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L, + 0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL, + 0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L, + 0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, 0x26d930acL, 0x51de003aL, + 0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L, + 0xb8bda50fL, 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L, + 0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, 0x76dc4190L, + 0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL, + 0x9fbfe4a5L, 0xe8b8d433L, 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL, + 0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L, + 0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL, + 0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, 0x65b0d9c6L, 0x12b7e950L, + 0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L, + 0xfbd44c65L, 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L, + 0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, 0x4369e96aL, + 0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L, + 0xaa0a4c5fL, 0xdd0d7cc9L, 0x5005713cL, 0x270241aaL, 0xbe0b1010L, + 0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL, + 0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L, + 0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, 0xedb88320L, 0x9abfb3b6L, + 0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L, + 0x73dc1683L, 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L, + 0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, 0xf00f9344L, + 0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL, + 0x196c3671L, 0x6e6b06e7L, 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL, + 0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L, + 0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L, + 0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, 0xd80d2bdaL, 0xaf0a1b4cL, + 0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL, + 0x4669be79L, 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L, + 0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, 0xc5ba3bbeL, + 0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L, + 0x2cd99e8bL, 0x5bdeae1dL, 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL, + 0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L, + 0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL, + 0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, 0x86d3d2d4L, 0xf1d4e242L, + 0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L, + 0x18b74777L, 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL, + 0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, 0xa00ae278L, + 0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L, + 0x4969474dL, 0x3e6e77dbL, 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L, + 0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L, + 0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L, + 0xcdd70693L, 0x54de5729L, 0x23d967bfL, 0xb3667a2eL, 0xc4614ab8L, + 0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL, + 0x2d02ef8dL +# ifdef IZ_CRCOPTIM_UNFOLDTBL + , + 0x00000000L, 0x191b3141L, 0x32366282L, 0x2b2d53c3L, 0x646cc504L, + 0x7d77f445L, 0x565aa786L, 0x4f4196c7L, 0xc8d98a08L, 0xd1c2bb49L, + 0xfaefe88aL, 0xe3f4d9cbL, 0xacb54f0cL, 0xb5ae7e4dL, 0x9e832d8eL, + 0x87981ccfL, 0x4ac21251L, 0x53d92310L, 0x78f470d3L, 0x61ef4192L, + 0x2eaed755L, 0x37b5e614L, 0x1c98b5d7L, 0x05838496L, 0x821b9859L, + 0x9b00a918L, 0xb02dfadbL, 0xa936cb9aL, 0xe6775d5dL, 0xff6c6c1cL, + 0xd4413fdfL, 0xcd5a0e9eL, 0x958424a2L, 0x8c9f15e3L, 0xa7b24620L, + 0xbea97761L, 0xf1e8e1a6L, 0xe8f3d0e7L, 0xc3de8324L, 0xdac5b265L, + 0x5d5daeaaL, 0x44469febL, 0x6f6bcc28L, 0x7670fd69L, 0x39316baeL, + 0x202a5aefL, 0x0b07092cL, 0x121c386dL, 0xdf4636f3L, 0xc65d07b2L, + 0xed705471L, 0xf46b6530L, 0xbb2af3f7L, 0xa231c2b6L, 0x891c9175L, + 0x9007a034L, 0x179fbcfbL, 0x0e848dbaL, 0x25a9de79L, 0x3cb2ef38L, + 0x73f379ffL, 0x6ae848beL, 0x41c51b7dL, 0x58de2a3cL, 0xf0794f05L, + 0xe9627e44L, 0xc24f2d87L, 0xdb541cc6L, 0x94158a01L, 0x8d0ebb40L, + 0xa623e883L, 0xbf38d9c2L, 0x38a0c50dL, 0x21bbf44cL, 0x0a96a78fL, + 0x138d96ceL, 0x5ccc0009L, 0x45d73148L, 0x6efa628bL, 0x77e153caL, + 0xbabb5d54L, 0xa3a06c15L, 0x888d3fd6L, 0x91960e97L, 0xded79850L, + 0xc7cca911L, 0xece1fad2L, 0xf5facb93L, 0x7262d75cL, 0x6b79e61dL, + 0x4054b5deL, 0x594f849fL, 0x160e1258L, 0x0f152319L, 0x243870daL, + 0x3d23419bL, 0x65fd6ba7L, 0x7ce65ae6L, 0x57cb0925L, 0x4ed03864L, + 0x0191aea3L, 0x188a9fe2L, 0x33a7cc21L, 0x2abcfd60L, 0xad24e1afL, + 0xb43fd0eeL, 0x9f12832dL, 0x8609b26cL, 0xc94824abL, 0xd05315eaL, + 0xfb7e4629L, 0xe2657768L, 0x2f3f79f6L, 0x362448b7L, 0x1d091b74L, + 0x04122a35L, 0x4b53bcf2L, 0x52488db3L, 0x7965de70L, 0x607eef31L, + 0xe7e6f3feL, 0xfefdc2bfL, 0xd5d0917cL, 0xcccba03dL, 0x838a36faL, + 0x9a9107bbL, 0xb1bc5478L, 0xa8a76539L, 0x3b83984bL, 0x2298a90aL, + 0x09b5fac9L, 0x10aecb88L, 0x5fef5d4fL, 0x46f46c0eL, 0x6dd93fcdL, + 0x74c20e8cL, 0xf35a1243L, 0xea412302L, 0xc16c70c1L, 0xd8774180L, + 0x9736d747L, 0x8e2de606L, 0xa500b5c5L, 0xbc1b8484L, 0x71418a1aL, + 0x685abb5bL, 0x4377e898L, 0x5a6cd9d9L, 0x152d4f1eL, 0x0c367e5fL, + 0x271b2d9cL, 0x3e001cddL, 0xb9980012L, 0xa0833153L, 0x8bae6290L, + 0x92b553d1L, 0xddf4c516L, 0xc4eff457L, 0xefc2a794L, 0xf6d996d5L, + 0xae07bce9L, 0xb71c8da8L, 0x9c31de6bL, 0x852aef2aL, 0xca6b79edL, + 0xd37048acL, 0xf85d1b6fL, 0xe1462a2eL, 0x66de36e1L, 0x7fc507a0L, + 0x54e85463L, 0x4df36522L, 0x02b2f3e5L, 0x1ba9c2a4L, 0x30849167L, + 0x299fa026L, 0xe4c5aeb8L, 0xfdde9ff9L, 0xd6f3cc3aL, 0xcfe8fd7bL, + 0x80a96bbcL, 0x99b25afdL, 0xb29f093eL, 0xab84387fL, 0x2c1c24b0L, + 0x350715f1L, 0x1e2a4632L, 0x07317773L, 0x4870e1b4L, 0x516bd0f5L, + 0x7a468336L, 0x635db277L, 0xcbfad74eL, 0xd2e1e60fL, 0xf9ccb5ccL, + 0xe0d7848dL, 0xaf96124aL, 0xb68d230bL, 0x9da070c8L, 0x84bb4189L, + 0x03235d46L, 0x1a386c07L, 0x31153fc4L, 0x280e0e85L, 0x674f9842L, + 0x7e54a903L, 0x5579fac0L, 0x4c62cb81L, 0x8138c51fL, 0x9823f45eL, + 0xb30ea79dL, 0xaa1596dcL, 0xe554001bL, 0xfc4f315aL, 0xd7626299L, + 0xce7953d8L, 0x49e14f17L, 0x50fa7e56L, 0x7bd72d95L, 0x62cc1cd4L, + 0x2d8d8a13L, 0x3496bb52L, 0x1fbbe891L, 0x06a0d9d0L, 0x5e7ef3ecL, + 0x4765c2adL, 0x6c48916eL, 0x7553a02fL, 0x3a1236e8L, 0x230907a9L, + 0x0824546aL, 0x113f652bL, 0x96a779e4L, 0x8fbc48a5L, 0xa4911b66L, + 0xbd8a2a27L, 0xf2cbbce0L, 0xebd08da1L, 0xc0fdde62L, 0xd9e6ef23L, + 0x14bce1bdL, 0x0da7d0fcL, 0x268a833fL, 0x3f91b27eL, 0x70d024b9L, + 0x69cb15f8L, 0x42e6463bL, 0x5bfd777aL, 0xdc656bb5L, 0xc57e5af4L, + 0xee530937L, 0xf7483876L, 0xb809aeb1L, 0xa1129ff0L, 0x8a3fcc33L, + 0x9324fd72L + , + 0x00000000L, 0x01c26a37L, 0x0384d46eL, 0x0246be59L, 0x0709a8dcL, + 0x06cbc2ebL, 0x048d7cb2L, 0x054f1685L, 0x0e1351b8L, 0x0fd13b8fL, + 0x0d9785d6L, 0x0c55efe1L, 0x091af964L, 0x08d89353L, 0x0a9e2d0aL, + 0x0b5c473dL, 0x1c26a370L, 0x1de4c947L, 0x1fa2771eL, 0x1e601d29L, + 0x1b2f0bacL, 0x1aed619bL, 0x18abdfc2L, 0x1969b5f5L, 0x1235f2c8L, + 0x13f798ffL, 0x11b126a6L, 0x10734c91L, 0x153c5a14L, 0x14fe3023L, + 0x16b88e7aL, 0x177ae44dL, 0x384d46e0L, 0x398f2cd7L, 0x3bc9928eL, + 0x3a0bf8b9L, 0x3f44ee3cL, 0x3e86840bL, 0x3cc03a52L, 0x3d025065L, + 0x365e1758L, 0x379c7d6fL, 0x35dac336L, 0x3418a901L, 0x3157bf84L, + 0x3095d5b3L, 0x32d36beaL, 0x331101ddL, 0x246be590L, 0x25a98fa7L, + 0x27ef31feL, 0x262d5bc9L, 0x23624d4cL, 0x22a0277bL, 0x20e69922L, + 0x2124f315L, 0x2a78b428L, 0x2bbade1fL, 0x29fc6046L, 0x283e0a71L, + 0x2d711cf4L, 0x2cb376c3L, 0x2ef5c89aL, 0x2f37a2adL, 0x709a8dc0L, + 0x7158e7f7L, 0x731e59aeL, 0x72dc3399L, 0x7793251cL, 0x76514f2bL, + 0x7417f172L, 0x75d59b45L, 0x7e89dc78L, 0x7f4bb64fL, 0x7d0d0816L, + 0x7ccf6221L, 0x798074a4L, 0x78421e93L, 0x7a04a0caL, 0x7bc6cafdL, + 0x6cbc2eb0L, 0x6d7e4487L, 0x6f38fadeL, 0x6efa90e9L, 0x6bb5866cL, + 0x6a77ec5bL, 0x68315202L, 0x69f33835L, 0x62af7f08L, 0x636d153fL, + 0x612bab66L, 0x60e9c151L, 0x65a6d7d4L, 0x6464bde3L, 0x662203baL, + 0x67e0698dL, 0x48d7cb20L, 0x4915a117L, 0x4b531f4eL, 0x4a917579L, + 0x4fde63fcL, 0x4e1c09cbL, 0x4c5ab792L, 0x4d98dda5L, 0x46c49a98L, + 0x4706f0afL, 0x45404ef6L, 0x448224c1L, 0x41cd3244L, 0x400f5873L, + 0x4249e62aL, 0x438b8c1dL, 0x54f16850L, 0x55330267L, 0x5775bc3eL, + 0x56b7d609L, 0x53f8c08cL, 0x523aaabbL, 0x507c14e2L, 0x51be7ed5L, + 0x5ae239e8L, 0x5b2053dfL, 0x5966ed86L, 0x58a487b1L, 0x5deb9134L, + 0x5c29fb03L, 0x5e6f455aL, 0x5fad2f6dL, 0xe1351b80L, 0xe0f771b7L, + 0xe2b1cfeeL, 0xe373a5d9L, 0xe63cb35cL, 0xe7fed96bL, 0xe5b86732L, + 0xe47a0d05L, 0xef264a38L, 0xeee4200fL, 0xeca29e56L, 0xed60f461L, + 0xe82fe2e4L, 0xe9ed88d3L, 0xebab368aL, 0xea695cbdL, 0xfd13b8f0L, + 0xfcd1d2c7L, 0xfe976c9eL, 0xff5506a9L, 0xfa1a102cL, 0xfbd87a1bL, + 0xf99ec442L, 0xf85cae75L, 0xf300e948L, 0xf2c2837fL, 0xf0843d26L, + 0xf1465711L, 0xf4094194L, 0xf5cb2ba3L, 0xf78d95faL, 0xf64fffcdL, + 0xd9785d60L, 0xd8ba3757L, 0xdafc890eL, 0xdb3ee339L, 0xde71f5bcL, + 0xdfb39f8bL, 0xddf521d2L, 0xdc374be5L, 0xd76b0cd8L, 0xd6a966efL, + 0xd4efd8b6L, 0xd52db281L, 0xd062a404L, 0xd1a0ce33L, 0xd3e6706aL, + 0xd2241a5dL, 0xc55efe10L, 0xc49c9427L, 0xc6da2a7eL, 0xc7184049L, + 0xc25756ccL, 0xc3953cfbL, 0xc1d382a2L, 0xc011e895L, 0xcb4dafa8L, + 0xca8fc59fL, 0xc8c97bc6L, 0xc90b11f1L, 0xcc440774L, 0xcd866d43L, + 0xcfc0d31aL, 0xce02b92dL, 0x91af9640L, 0x906dfc77L, 0x922b422eL, + 0x93e92819L, 0x96a63e9cL, 0x976454abL, 0x9522eaf2L, 0x94e080c5L, + 0x9fbcc7f8L, 0x9e7eadcfL, 0x9c381396L, 0x9dfa79a1L, 0x98b56f24L, + 0x99770513L, 0x9b31bb4aL, 0x9af3d17dL, 0x8d893530L, 0x8c4b5f07L, + 0x8e0de15eL, 0x8fcf8b69L, 0x8a809decL, 0x8b42f7dbL, 0x89044982L, + 0x88c623b5L, 0x839a6488L, 0x82580ebfL, 0x801eb0e6L, 0x81dcdad1L, + 0x8493cc54L, 0x8551a663L, 0x8717183aL, 0x86d5720dL, 0xa9e2d0a0L, + 0xa820ba97L, 0xaa6604ceL, 0xaba46ef9L, 0xaeeb787cL, 0xaf29124bL, + 0xad6fac12L, 0xacadc625L, 0xa7f18118L, 0xa633eb2fL, 0xa4755576L, + 0xa5b73f41L, 0xa0f829c4L, 0xa13a43f3L, 0xa37cfdaaL, 0xa2be979dL, + 0xb5c473d0L, 0xb40619e7L, 0xb640a7beL, 0xb782cd89L, 0xb2cddb0cL, + 0xb30fb13bL, 0xb1490f62L, 0xb08b6555L, 0xbbd72268L, 0xba15485fL, + 0xb853f606L, 0xb9919c31L, 0xbcde8ab4L, 0xbd1ce083L, 0xbf5a5edaL, + 0xbe9834edL + , + 0x00000000L, 0xb8bc6765L, 0xaa09c88bL, 0x12b5afeeL, 0x8f629757L, + 0x37def032L, 0x256b5fdcL, 0x9dd738b9L, 0xc5b428efL, 0x7d084f8aL, + 0x6fbde064L, 0xd7018701L, 0x4ad6bfb8L, 0xf26ad8ddL, 0xe0df7733L, + 0x58631056L, 0x5019579fL, 0xe8a530faL, 0xfa109f14L, 0x42acf871L, + 0xdf7bc0c8L, 0x67c7a7adL, 0x75720843L, 0xcdce6f26L, 0x95ad7f70L, + 0x2d111815L, 0x3fa4b7fbL, 0x8718d09eL, 0x1acfe827L, 0xa2738f42L, + 0xb0c620acL, 0x087a47c9L, 0xa032af3eL, 0x188ec85bL, 0x0a3b67b5L, + 0xb28700d0L, 0x2f503869L, 0x97ec5f0cL, 0x8559f0e2L, 0x3de59787L, + 0x658687d1L, 0xdd3ae0b4L, 0xcf8f4f5aL, 0x7733283fL, 0xeae41086L, + 0x525877e3L, 0x40edd80dL, 0xf851bf68L, 0xf02bf8a1L, 0x48979fc4L, + 0x5a22302aL, 0xe29e574fL, 0x7f496ff6L, 0xc7f50893L, 0xd540a77dL, + 0x6dfcc018L, 0x359fd04eL, 0x8d23b72bL, 0x9f9618c5L, 0x272a7fa0L, + 0xbafd4719L, 0x0241207cL, 0x10f48f92L, 0xa848e8f7L, 0x9b14583dL, + 0x23a83f58L, 0x311d90b6L, 0x89a1f7d3L, 0x1476cf6aL, 0xaccaa80fL, + 0xbe7f07e1L, 0x06c36084L, 0x5ea070d2L, 0xe61c17b7L, 0xf4a9b859L, + 0x4c15df3cL, 0xd1c2e785L, 0x697e80e0L, 0x7bcb2f0eL, 0xc377486bL, + 0xcb0d0fa2L, 0x73b168c7L, 0x6104c729L, 0xd9b8a04cL, 0x446f98f5L, + 0xfcd3ff90L, 0xee66507eL, 0x56da371bL, 0x0eb9274dL, 0xb6054028L, + 0xa4b0efc6L, 0x1c0c88a3L, 0x81dbb01aL, 0x3967d77fL, 0x2bd27891L, + 0x936e1ff4L, 0x3b26f703L, 0x839a9066L, 0x912f3f88L, 0x299358edL, + 0xb4446054L, 0x0cf80731L, 0x1e4da8dfL, 0xa6f1cfbaL, 0xfe92dfecL, + 0x462eb889L, 0x549b1767L, 0xec277002L, 0x71f048bbL, 0xc94c2fdeL, + 0xdbf98030L, 0x6345e755L, 0x6b3fa09cL, 0xd383c7f9L, 0xc1366817L, + 0x798a0f72L, 0xe45d37cbL, 0x5ce150aeL, 0x4e54ff40L, 0xf6e89825L, + 0xae8b8873L, 0x1637ef16L, 0x048240f8L, 0xbc3e279dL, 0x21e91f24L, + 0x99557841L, 0x8be0d7afL, 0x335cb0caL, 0xed59b63bL, 0x55e5d15eL, + 0x47507eb0L, 0xffec19d5L, 0x623b216cL, 0xda874609L, 0xc832e9e7L, + 0x708e8e82L, 0x28ed9ed4L, 0x9051f9b1L, 0x82e4565fL, 0x3a58313aL, + 0xa78f0983L, 0x1f336ee6L, 0x0d86c108L, 0xb53aa66dL, 0xbd40e1a4L, + 0x05fc86c1L, 0x1749292fL, 0xaff54e4aL, 0x322276f3L, 0x8a9e1196L, + 0x982bbe78L, 0x2097d91dL, 0x78f4c94bL, 0xc048ae2eL, 0xd2fd01c0L, + 0x6a4166a5L, 0xf7965e1cL, 0x4f2a3979L, 0x5d9f9697L, 0xe523f1f2L, + 0x4d6b1905L, 0xf5d77e60L, 0xe762d18eL, 0x5fdeb6ebL, 0xc2098e52L, + 0x7ab5e937L, 0x680046d9L, 0xd0bc21bcL, 0x88df31eaL, 0x3063568fL, + 0x22d6f961L, 0x9a6a9e04L, 0x07bda6bdL, 0xbf01c1d8L, 0xadb46e36L, + 0x15080953L, 0x1d724e9aL, 0xa5ce29ffL, 0xb77b8611L, 0x0fc7e174L, + 0x9210d9cdL, 0x2aacbea8L, 0x38191146L, 0x80a57623L, 0xd8c66675L, + 0x607a0110L, 0x72cfaefeL, 0xca73c99bL, 0x57a4f122L, 0xef189647L, + 0xfdad39a9L, 0x45115eccL, 0x764dee06L, 0xcef18963L, 0xdc44268dL, + 0x64f841e8L, 0xf92f7951L, 0x41931e34L, 0x5326b1daL, 0xeb9ad6bfL, + 0xb3f9c6e9L, 0x0b45a18cL, 0x19f00e62L, 0xa14c6907L, 0x3c9b51beL, + 0x842736dbL, 0x96929935L, 0x2e2efe50L, 0x2654b999L, 0x9ee8defcL, + 0x8c5d7112L, 0x34e11677L, 0xa9362eceL, 0x118a49abL, 0x033fe645L, + 0xbb838120L, 0xe3e09176L, 0x5b5cf613L, 0x49e959fdL, 0xf1553e98L, + 0x6c820621L, 0xd43e6144L, 0xc68bceaaL, 0x7e37a9cfL, 0xd67f4138L, + 0x6ec3265dL, 0x7c7689b3L, 0xc4caeed6L, 0x591dd66fL, 0xe1a1b10aL, + 0xf3141ee4L, 0x4ba87981L, 0x13cb69d7L, 0xab770eb2L, 0xb9c2a15cL, + 0x017ec639L, 0x9ca9fe80L, 0x241599e5L, 0x36a0360bL, 0x8e1c516eL, + 0x866616a7L, 0x3eda71c2L, 0x2c6fde2cL, 0x94d3b949L, 0x090481f0L, + 0xb1b8e695L, 0xa30d497bL, 0x1bb12e1eL, 0x43d23e48L, 0xfb6e592dL, + 0xe9dbf6c3L, 0x516791a6L, 0xccb0a91fL, 0x740cce7aL, 0x66b96194L, + 0xde0506f1L +# endif /* IZ_CRCOPTIM_UNFOLDTBL */ +# endif /* ? IZ_CRC_BE_OPTIMIZ */ +}; +#endif /* ?DYNAMIC_CRC_TABLE */ + +/* use "OF((void))" here to work around a Borland TC++ 1.0 problem */ +#ifdef USE_ZLIB +ZCONST uLongf *get_crc_table OF((void)) +#else +ZCONST ulg near *get_crc_table OF((void)) +#endif +{ +#ifdef DYNAMIC_CRC_TABLE + if (CRC_TABLE_IS_EMPTY) + make_crc_table(); +#endif +#ifdef USE_ZLIB + return (ZCONST uLongf *)crc_table; +#else + return crc_table; +#endif +} + +#ifdef DYNALLOC_CRCTAB +void free_crc_table() +{ + if (!CRC_TABLE_IS_EMPTY) + { + nearfree((ulg near *)crc_table); + MARK_CRCTAB_EMPTY; + } +} +#endif + +#ifndef USE_ZLIB +#ifndef CRC_TABLE_ONLY +#ifndef ASM_CRC + +#define DO1(crc, buf) crc = CRC32(crc, *buf++, crc_32_tab) +#define DO2(crc, buf) DO1(crc, buf); DO1(crc, buf) +#define DO4(crc, buf) DO2(crc, buf); DO2(crc, buf) +#define DO8(crc, buf) DO4(crc, buf); DO4(crc, buf) + +#if (defined(IZ_CRC_BE_OPTIMIZ) || defined(IZ_CRC_LE_OPTIMIZ)) + +# ifdef IZ_CRCOPTIM_UNFOLDTBL +# ifdef IZ_CRC_BE_OPTIMIZ +# define DO_OPT4(c, buf4) c ^= *(buf4)++; \ + c = crc_32_tab[c & 0xff] ^ crc_32_tab[256+((c>>8) & 0xff)] ^ \ + crc_32_tab[2*256+((c>>16) & 0xff)] ^ crc_32_tab[3*256+(c>>24)] +# else /* !IZ_CRC_BE_OPTIMIZ */ +# define DO_OPT4(c, buf4) c ^= *(buf4)++; \ + c = crc_32_tab[3*256+(c & 0xff)] ^ crc_32_tab[2*256+((c>>8) & 0xff)] \ + ^ crc_32_tab[256+((c>>16) & 0xff)] ^ crc_32_tab[c>>24] +# endif /* ?IZ_CRC_BE_OPTIMIZ */ +# else /* !IZ_CRCOPTIM_UNFOLDTBL */ +# define DO_OPT4(c, buf4) c ^= *(buf4)++; \ + c = CRC32UPD(c, crc_32_tab); \ + c = CRC32UPD(c, crc_32_tab); \ + c = CRC32UPD(c, crc_32_tab); \ + c = CRC32UPD(c, crc_32_tab) +# endif /* ?IZ_CRCOPTIM_UNFOLDTBL */ + +# define DO_OPT16(crc, buf4) DO_OPT4(crc, buf4); DO_OPT4(crc, buf4); \ + DO_OPT4(crc, buf4); DO_OPT4(crc, buf4); + +#endif /* (IZ_CRC_BE_OPTIMIZ || IZ_CRC_LE_OPTIMIZ) */ + + +/* ========================================================================= */ +ulg crc32(crc, buf, len) + ulg crc; /* crc shift register */ + register ZCONST uch *buf; /* pointer to bytes to pump through */ + extent len; /* number of bytes in buf[] */ +/* Run a set of bytes through the crc shift register. If buf is a NULL + pointer, then initialize the crc shift register contents instead. + Return the current crc in either case. */ +{ + register z_uint4 c; + register ZCONST ulg near *crc_32_tab; + + if (buf == NULL) return 0L; + + crc_32_tab = get_crc_table(); + + c = (REV_BE((z_uint4)crc) ^ 0xffffffffL); + +#if (defined(IZ_CRC_BE_OPTIMIZ) || defined(IZ_CRC_LE_OPTIMIZ)) + /* Align buf pointer to next DWORD boundary. */ + while (len && ((ptrdiff_t)buf & 3)) { + DO1(c, buf); + len--; + } + { + ZCONST z_uint4 *buf4 = (ZCONST z_uint4 *)buf; + while (len >= 16) { + DO_OPT16(c, buf4); + len -= 16; + } + while (len >= 4) { + DO_OPT4(c, buf4); + len -= 4; + } + buf = (ZCONST uch *)buf4; + } +#else /* !(IZ_CRC_BE_OPTIMIZ || IZ_CRC_LE_OPTIMIZ) */ +#ifndef NO_UNROLLED_LOOPS + while (len >= 8) { + DO8(c, buf); + len -= 8; + } +#endif /* !NO_UNROLLED_LOOPS */ +#endif /* ?(IZ_CRC_BE_OPTIMIZ || IZ_CRC_LE_OPTIMIZ) */ + if (len) do { + DO1(c, buf); + } while (--len); + + return REV_BE(c) ^ 0xffffffffL; /* (instead of ~c for 64-bit machines) */ +} +#endif /* !ASM_CRC */ +#endif /* !CRC_TABLE_ONLY */ +#endif /* !USE_ZLIB */ +#endif /* !USE_ZLIB || USE_OWN_CRCTAB */ |