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See ChangeLog: Wed Jan 13 14:10:15 CET 1999 Werner Koch
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32 changed files with 2085 additions and 823 deletions
14
zlib/crc32.c
14
zlib/crc32.c
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@ -1,9 +1,9 @@
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/* crc32.c -- compute the CRC-32 of a data stream
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* Copyright (C) 1995-1996 Mark Adler
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* Copyright (C) 1995-1998 Mark Adler
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* For conditions of distribution and use, see copyright notice in zlib.h
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*/
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/* $Id$ */
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/* @(#) $Id$ */
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#include "zlib.h"
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@ -45,7 +45,7 @@ local void make_crc_table()
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int n, k;
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uLong poly; /* polynomial exclusive-or pattern */
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/* terms of polynomial defining this crc (except x^32): */
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static Byte p[] = {0,1,2,4,5,7,8,10,11,12,16,22,23,26};
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static const Byte p[] = {0,1,2,4,5,7,8,10,11,12,16,22,23,26};
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/* make exclusive-or pattern from polynomial (0xedb88320L) */
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poly = 0L;
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@ -65,7 +65,7 @@ local void make_crc_table()
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/* ========================================================================
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* Table of CRC-32's of all single-byte values (made by make_crc_table)
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*/
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local uLongf crc_table[256] = {
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local const uLongf crc_table[256] = {
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0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L,
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0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L,
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0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L,
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@ -124,12 +124,12 @@ local uLongf crc_table[256] = {
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/* =========================================================================
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* This function can be used by asm versions of crc32()
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*/
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uLongf *get_crc_table()
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const uLongf * ZEXPORT get_crc_table()
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{
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#ifdef DYNAMIC_CRC_TABLE
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if (crc_table_empty) make_crc_table();
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#endif
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return (uLongf *)crc_table;
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return (const uLongf *)crc_table;
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}
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/* ========================================================================= */
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@ -139,7 +139,7 @@ uLongf *get_crc_table()
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#define DO8(buf) DO4(buf); DO4(buf);
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/* ========================================================================= */
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uLong crc32(crc, buf, len)
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uLong ZEXPORT crc32(crc, buf, len)
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uLong crc;
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const Bytef *buf;
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uInt len;
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