puff.c File Reference

#include <setjmp.h>
#include "puff.h"

Include dependency graph for puff.c:

Go to the source code of this file.

Classes
struct	state
struct	huffman

Macros
#define	local   static /* for local function definitions */
#define	MAXBITS   15 /* maximum bits in a code */
#define	MAXLCODES   286 /* maximum number of literal/length codes */
#define	MAXDCODES   30 /* maximum number of distance codes */
#define	MAXCODES   (MAXLCODES+MAXDCODES) /* maximum codes lengths to read */
#define	FIXLCODES   288 /* number of fixed literal/length codes */

Functions
static int	bits (struct state *s, int need)
static int	stored (struct state *s)
static int	decode (struct state *s, const struct huffman *h)
static int	construct (struct huffman *h, const short *length, int n)
static int	codes (struct state *s, const struct huffman *lencode, const struct huffman *distcode)
static int	fixed (struct state *s)
static int	dynamic (struct state *s)
int	puff (unsigned char *dest, unsigned long *destlen, const unsigned char *source, unsigned long *sourcelen)

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Class Documentation

struct state

Definition at line 37 of file blast.c.

Collaboration diagram for state:

Class Members
int	bitbuf
int	bitcnt
jmp_buf	env
int	first
unsigned char *	in
const unsigned char *	in
unsigned long	incnt
blast_in	infun
void *	inhow
unsigned long	inlen
unsigned	left
unsigned	next
unsigned char	out[4096]
unsigned char *	out
unsigned long	outcnt
blast_out	outfun
void *	outhow
unsigned long	outlen

struct huffman

Definition at line 99 of file blast.c.

Collaboration diagram for huffman:

Class Members
short *	count
short *	symbol

Macro Definition Documentation

#define FIXLCODES   288 /* number of fixed literal/length codes */

Definition at line 95 of file puff.c.

#define local   static /* for local function definitions */

Definition at line 85 of file puff.c.

#define MAXBITS   15 /* maximum bits in a code */

Definition at line 91 of file puff.c.

#define MAXCODES   (MAXLCODES+MAXDCODES) /* maximum codes lengths to read */

Definition at line 94 of file puff.c.

#define MAXDCODES   30 /* maximum number of distance codes */

Definition at line 93 of file puff.c.

#define MAXLCODES   286 /* maximum number of literal/length codes */

Definition at line 92 of file puff.c.

Function Documentation

static int bits ( struct state *  s, int  need  )

static

Definition at line 126 of file puff.c.

static int codes ( struct state *  s, const struct huffman *  lencode, const struct huffman *  distcode  )

static

Definition at line 436 of file puff.c.

static int construct ( struct huffman *  h, const short *  length, int  n  )

static

Definition at line 340 of file puff.c.

static int decode ( struct state *  s, const struct huffman *  h  )

static

Definition at line 263 of file puff.c.

static int dynamic ( struct state *  s )

static

Definition at line 665 of file puff.c.

static int fixed ( struct state *  s )

static

Definition at line 536 of file puff.c.

int puff	(	unsigned char *	dest,
		unsigned long *	destlen,
		const unsigned char *	source,
		unsigned long *	sourcelen
	)

Definition at line 793 of file puff.c.

static int stored ( struct state *  s )

static

Definition at line 164 of file puff.c.