adler32.c File Reference

#include <stdint.h>
#include <stddef.h>
#include <compat/zutil.h>

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Macros
#define	ZLIB_INTERNAL
#define	BASE   65521UL /* largest prime smaller than 65536 */
#define	NMAX   5552
#define	DO1(buf, i)   {s1 += buf[i]; s2 += s1;}
#define	DO2(buf, i)   DO1(buf,i); DO1(buf,i+1);
#define	DO4(buf, i)   DO2(buf,i); DO2(buf,i+2);
#define	DO8(buf, i)   DO4(buf,i); DO4(buf,i+4);
#define	DO16(buf)   DO8(buf,0); DO8(buf,8);
#define	MOD(a)   a %= BASE

Functions
uint32_t	adler32 (uint32_t adler, const uint8_t *buf, size_t len)

Macro Definition Documentation

BASE

#define BASE   65521UL /* largest prime smaller than 65536 */

DO1

#define DO1	(		buf,
			i
	)		{s1 += buf[i]; s2 += s1;}

DO16

#define DO16

(

buf

)

DO8(buf,0); DO8(buf,8);

DO2

#define DO2	(		buf,
			i
	)		DO1(buf,i); DO1(buf,i+1);

DO4

#define DO4	(		buf,
			i
	)		DO2(buf,i); DO2(buf,i+2);

DO8

#define DO8	(		buf,
			i
	)		DO4(buf,i); DO4(buf,i+4);

MOD

#define MOD

(

a

)

a %= BASE

NMAX

#define NMAX   5552

ZLIB_INTERNAL

#define ZLIB_INTERNAL

Function Documentation

adler32()

uint32_t adler32	(	uint32_t	adler,
		const uint8_t *	buf,
		size_t	len
	)

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