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crc32.c File Reference

#include "zlib.h"

Go to the source code of this file.

Defines

#define local   static

#define DO1(buf)   crc = crc_table[((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8);

#define DO2(buf)   DO1(buf); DO1(buf);

#define DO4(buf)   DO2(buf); DO2(buf);

#define DO8(buf)   DO4(buf); DO4(buf);

Functions

const uLongf *ZEXPORT get_crc_table ()

uLong ZEXPORT crc32 (crc, buf, len) uLong crc

Variables

local const uLongf crc_table [256]

const Bytef * buf

uInt len

Define Documentation

#define DO1 ( buf ) crc = crc_table[((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8);

Definition at line 136 of file crc32.c.

#define DO2 ( buf ) DO1(buf); DO1(buf);

Definition at line 137 of file crc32.c.

#define DO4 ( buf ) DO2(buf); DO2(buf);

Definition at line 138 of file crc32.c.

#define DO8 ( buf ) DO4(buf); DO4(buf);

Definition at line 139 of file crc32.c.

#define local static

Definition at line 10 of file crc32.c.

Function Documentation

uLong ZEXPORT crc32 ( crc ,

buf ,

len

)

const uLongf* ZEXPORT get_crc_table ( )

Definition at line 127 of file crc32.c.
00128 { 00129 #ifdef DYNAMIC_CRC_TABLE 00130 if (crc_table_empty) make_crc_table(); 00131 #endif 00132 return (const uLongf *)crc_table; 00133 }

Variable Documentation

const Bytef* buf

Definition at line 144 of file crc32.c.

local const uLongf crc_table[256]

Definition at line 68 of file crc32.c.

uInt len

Definition at line 145 of file crc32.c.

Generated on Sat Oct 13 16:08:47 2001 for XMILL by

Defines
#define	local static
#define	DO1(buf) crc = crc_table[((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8);
#define	DO2(buf) DO1(buf); DO1(buf);
#define	DO4(buf) DO2(buf); DO2(buf);
#define	DO8(buf) DO4(buf); DO4(buf);
Functions
const uLongf *ZEXPORT	get_crc_table ()
uLong ZEXPORT	crc32 (crc, buf, len) uLong crc
Variables
local const uLongf	crc_table [256]
const Bytef *	buf
uInt	len