lh5.c File Reference

#include <stdio.h>
#include <string.h>
#include "libFireBird.h"

Go to the source code of this file.

Data Structures
struct	ARDATA

Macros
#define	PERCOLATE
#define	BITBUFSIZ   (16)
#define	UCHARMAX   (255)
#define	DICBIT   (13)
#define	DICSIZ   (1<<DICBIT)
#define	MATCHBIT   (8)
#define	MAXMATCH   (1<<MATCHBIT)
#define	THRESHOLD   (3)
#define	PERCFLAG   (0x8000)
#define	NC   (UCHARMAX+MAXMATCH+2-THRESHOLD)
#define	CBIT   (9)
#define	CODEBIT   (16)
#define	NP   (DICBIT+1)
#define	NT   (CODEBIT+3)
#define	PBIT   4
#define	TBIT   5
#define	NPT   NT
#define	NUL   (0)
#define	MAXHASHVAL   (3*DICSIZ+((DICSIZ>>9)+1)*UCHARMAX)
#define	WINBIT   (14)
#define	WINDOWSIZE   (1<<WINBIT)
#define	BUFBIT   (15)
#define	BUFSIZE   (1<<BUFBIT)
#define	FREEMEM(p)   if(p) {TAP_MemFree(p); p = NULL;}

Typedefs
typedef short *	ARPWord
typedef byte *	ARPByte

Functions
word	CompressBlock (byte *inputbuffer, word inputsize, byte *outputbuffer)
word	UncompressBlock (byte *inputbuffer, word inputsize, byte *outputbuffer, word BufferSize)

Macro Definition Documentation

BITBUFSIZ

#define BITBUFSIZ   (16)

Definition at line 43 of file lh5.c.

BUFBIT

#define BUFBIT   (15)

Definition at line 70 of file lh5.c.

BUFSIZE

#define BUFSIZE   (1<<BUFBIT)

Definition at line 71 of file lh5.c.

CBIT

#define CBIT   (9)

Definition at line 55 of file lh5.c.

CODEBIT

#define CODEBIT   (16)

Definition at line 56 of file lh5.c.

DICBIT

#define DICBIT   (13)

Definition at line 46 of file lh5.c.

DICSIZ

#define DICSIZ   (1<<DICBIT)

Definition at line 47 of file lh5.c.

FREEMEM

#define FREEMEM

(

p

)

if(p) {TAP_MemFree(p); p = NULL;}

Definition at line 1245 of file lh5.c.

MATCHBIT

#define MATCHBIT   (8)

Definition at line 49 of file lh5.c.

MAXHASHVAL

#define MAXHASHVAL   (3*DICSIZ+((DICSIZ>>9)+1)*UCHARMAX)

Definition at line 65 of file lh5.c.

MAXMATCH

#define MAXMATCH   (1<<MATCHBIT)

Definition at line 50 of file lh5.c.

NC

#define NC   (UCHARMAX+MAXMATCH+2-THRESHOLD)

Definition at line 54 of file lh5.c.

NP

#define NP   (DICBIT+1)

Definition at line 58 of file lh5.c.

NPT

#define NPT   NT

Definition at line 62 of file lh5.c.

NT

#define NT   (CODEBIT+3)

Definition at line 59 of file lh5.c.

NUL

#define NUL   (0)

Definition at line 64 of file lh5.c.

PBIT

#define PBIT   4

Definition at line 60 of file lh5.c.

PERCFLAG

#define PERCFLAG   (0x8000)

Definition at line 52 of file lh5.c.

PERCOLATE

#define PERCOLATE

Definition at line 5 of file lh5.c.

TBIT

#define TBIT   5

Definition at line 61 of file lh5.c.

THRESHOLD

#define THRESHOLD   (3)

Definition at line 51 of file lh5.c.

UCHARMAX

#define UCHARMAX   (255)

Definition at line 44 of file lh5.c.

WINBIT

#define WINBIT   (14)

Definition at line 67 of file lh5.c.

WINDOWSIZE

#define WINDOWSIZE   (1<<WINBIT)

Definition at line 68 of file lh5.c.

Typedef Documentation

ARPByte

typedef byte* ARPByte

Definition at line 18 of file lh5.c.

ARPWord

typedef short* ARPWord

Definition at line 17 of file lh5.c.

Function Documentation

CompressBlock()

word CompressBlock	(	byte *	inputbuffer,
		word	inputsize,
		byte *	outputbuffer
	)

Definition at line 1309 of file lh5.c.

References TRACEENTER, and TRACEEXIT.

Referenced by CompressTFD().

UncompressBlock()

word UncompressBlock	(	byte *	inputbuffer,
		word	inputsize,
		byte *	outputbuffer,
		word	BufferSize
	)

Definition at line 1342 of file lh5.c.

References TRACEENTER, and TRACEEXIT.

Referenced by UncompressFirmware(), UncompressLoader(), and UncompressTFD().