lzo1x_c.cpp File Reference

#include "always.h"
#include "lzo1x.h"
#include "lzo_conf.h"
#include "wwdebug.h"
#include <assert.h>

Go to the source code of this file.

Macros
#define	LZO1X
#define	M1_MAX_OFFSET   0x0400
#define	M2_MAX_OFFSET   0x0800
#define	M3_MAX_OFFSET   0x4000
#define	M4_MAX_OFFSET   0xbfff
#define	MX_MAX_OFFSET   (M1_MAX_OFFSET + M2_MAX_OFFSET)
#define	M1_MARKER   0
#define	M2_MARKER   64
#define	M3_MARKER   32
#define	M4_MARKER   16
#define	_DV2(p, shift1, shift2)
#define	DVAL_NEXT(dv, p)
#define	_DV(p, shift)
#define	DVAL_FIRST(dv, p)
#define	_DINDEX(dv, p)
#define	DINDEX(dv, p)
#define	UPDATE_D(dict, cycle, dv, p)
#define	UPDATE_I(dict, cycle, index, p)

Functions
int	lzo1x_1_compress (const lzo_byte *in, lzo_uint in_len, lzo_byte *out, lzo_uint *out_len, lzo_voidp wrkmem)

Macro Definition Documentation

_DINDEX

#define _DINDEX	(		dv,
			p )

Value:

((40799u * (dv)) >> 5)

Definition at line 101 of file lzo1x_c.cpp.

_DV

#define _DV	(		p,
			shift )

Value:

_DV2(p,shift,shift)

Definition at line 99 of file lzo1x_c.cpp.

_DV2

#define _DV2	(		p,
			shift1,
			shift2 )

Value:

        (((( (lzo_uint)(p[2]) << shift1) ^ p[1]) << shift2) ^ p[0])

Definition at line 95 of file lzo1x_c.cpp.

DINDEX

#define DINDEX	(		dv,
			p )

Value:

(((_DINDEX(dv,p)) & 0x3fff) << 0)

Definition at line 102 of file lzo1x_c.cpp.

DVAL_FIRST

#define DVAL_FIRST	(		dv,
			p )

Value:

dv = _DV((p),5)

Definition at line 100 of file lzo1x_c.cpp.

DVAL_NEXT

#define DVAL_NEXT	(		dv,
			p )

Value:

        dv ^= p[-1]; dv = (((dv) >> 5) ^ ((lzo_uint)(p[2]) << (2*5)))

Definition at line 97 of file lzo1x_c.cpp.

LZO1X

#define LZO1X

Definition at line 70 of file lzo1x_c.cpp.

M1_MARKER

#define M1_MARKER   0

Definition at line 89 of file lzo1x_c.cpp.

M1_MAX_OFFSET

#define M1_MAX_OFFSET   0x0400

Definition at line 78 of file lzo1x_c.cpp.

M2_MARKER

#define M2_MARKER   64

Definition at line 90 of file lzo1x_c.cpp.

M2_MAX_OFFSET

#define M2_MAX_OFFSET   0x0800

Definition at line 80 of file lzo1x_c.cpp.

M3_MARKER

#define M3_MARKER   32

Definition at line 91 of file lzo1x_c.cpp.

M3_MAX_OFFSET

#define M3_MAX_OFFSET   0x4000

Definition at line 84 of file lzo1x_c.cpp.

M4_MARKER

#define M4_MARKER   16

Definition at line 92 of file lzo1x_c.cpp.

M4_MAX_OFFSET

#define M4_MAX_OFFSET   0xbfff

Definition at line 85 of file lzo1x_c.cpp.

MX_MAX_OFFSET

#define MX_MAX_OFFSET   (M1_MAX_OFFSET + M2_MAX_OFFSET)

Definition at line 87 of file lzo1x_c.cpp.

UPDATE_D

#define UPDATE_D	(		dict,
			cycle,
			dv,
			p )

Value:

dict[ DINDEX(dv,p) ] = (p)

Definition at line 103 of file lzo1x_c.cpp.

UPDATE_I

#define UPDATE_I	(		dict,
			cycle,
			index,
			p )

Value:

dict[index] = (p)

Definition at line 104 of file lzo1x_c.cpp.

Function Documentation

lzo1x_1_compress()

int lzo1x_1_compress	(	const lzo_byte *	in,
		lzo_uint	in_len,
		lzo_byte *	out,
		lzo_uint *	out_len,
		lzo_voidp	wrkmem )

Definition at line 335 of file lzo1x_c.cpp.