deflate.h File Reference

#include "zutil.h"

Go to the source code of this file.

Classes
struct	ct_data_s
struct	tree_desc_s
struct	internal_state

Macros
#define	GZIP
#define	NO_DUMMY_DECL
#define	LENGTH_CODES   29
#define	LITERALS   256
#define	L_CODES   (LITERALS+1+LENGTH_CODES)
#define	D_CODES   30
#define	BL_CODES   19
#define	HEAP_SIZE   (2*L_CODES+1)
#define	MAX_BITS   15
#define	INIT_STATE   42
#define	EXTRA_STATE   69
#define	NAME_STATE   73
#define	COMMENT_STATE   91
#define	HCRC_STATE   103
#define	BUSY_STATE   113
#define	FINISH_STATE   666
#define	Freq   fc.freq
#define	Code   fc.code
#define	Dad   dl.dad
#define	Len   dl.len
#define	max_insert_length   max_lazy_match
#define	put_byte(s, c)
#define	MIN_LOOKAHEAD   (MAX_MATCH+MIN_MATCH+1)
#define	MAX_DIST(s)
#define	d_code(dist)
#define	_tr_tally_lit(s, c, flush)
#define	_tr_tally_dist(s, distance, length, flush)

Typedefs
typedef struct ct_data_s	ct_data
typedef struct static_tree_desc_s	static_tree_desc
typedef struct tree_desc_s	tree_desc
typedef ush	Pos
typedef Pos FAR	Posf
typedef unsigned	IPos
typedef struct internal_state	deflate_state

Functions
void _tr_init	OF ((deflate_state *s))
int _tr_tally	OF ((deflate_state *s, unsigned dist, unsigned lc))
void _tr_flush_block	OF ((deflate_state *s, charf *buf, ulg stored_len, int eof))

Variables
uch	_length_code []
uch	_dist_code []

Macro Definition Documentation

_tr_tally_dist

#define _tr_tally_dist	(		s,
			distance,
			length,
			flush )

Value:

{ uch len = (length); \
  ush dist = (distance); \
  s->d_buf[s->last_lit] = dist; \
  s->l_buf[s->last_lit++] = len; \
  dist--; \
  s->dyn_ltree[_length_code[len]+LITERALS+1].Freq++; \
  s->dyn_dtree[d_code(dist)].Freq++; \
  flush = (s->last_lit == s->lit_bufsize-1); \
}

_tr_tally_lit

#define _tr_tally_lit	(		s,
			c,
			flush )

Value:

{ uch cc = (c); \
  s->d_buf[s->last_lit] = 0; \
  s->l_buf[s->last_lit++] = cc; \
  s->dyn_ltree[cc].Freq++; \
  flush = (s->last_lit == s->lit_bufsize-1); \
 }

BL_CODES

#define BL_CODES   19

BUSY_STATE

#define BUSY_STATE   113

Code

#define Code   fc.code

COMMENT_STATE

#define COMMENT_STATE   91

d_code

#define d_code

(

dist

)

Value:

((dist) < 256 ? _dist_code[dist] : _dist_code[256+((dist)>>7)])

D_CODES

#define D_CODES   30

Dad

#define Dad   dl.dad

EXTRA_STATE

#define EXTRA_STATE   69

FINISH_STATE

#define FINISH_STATE   666

Freq

#define Freq   fc.freq

GZIP

#define GZIP

HCRC_STATE

#define HCRC_STATE   103

HEAP_SIZE

#define HEAP_SIZE   (2*L_CODES+1)

INIT_STATE

#define INIT_STATE   42

L_CODES

#define L_CODES   (LITERALS+1+LENGTH_CODES)

Len

#define Len   dl.len

LENGTH_CODES

#define LENGTH_CODES   29

LITERALS

#define LITERALS   256

MAX_BITS

#define MAX_BITS   15

MAX_DIST

#define MAX_DIST

(

s

)

Value:

((s)->w_size-MIN_LOOKAHEAD)

max_insert_length

#define max_insert_length   max_lazy_match

MIN_LOOKAHEAD

#define MIN_LOOKAHEAD   (MAX_MATCH+MIN_MATCH+1)

NAME_STATE

#define NAME_STATE   73

NO_DUMMY_DECL

#define NO_DUMMY_DECL

put_byte

#define put_byte	(		s,
			c )

Value:

{s->pending_buf[s->pending++] = (c);}

Typedef Documentation

ct_data

typedef struct ct_data_s ct_data

deflate_state

typedef struct internal_state deflate_state

IPos

typedef unsigned IPos

Pos

typedef ush Pos

Posf

typedef Pos FAR Posf

static_tree_desc

typedef struct static_tree_desc_s static_tree_desc

tree_desc

typedef struct tree_desc_s tree_desc

Function Documentation

OF() [1/3]

void _tr_init OF

(

(deflate_state *s)

)

OF() [2/3]

void _tr_flush_block OF

(

(deflate_state *s, charf *buf, ulg stored_len, int eof)

)

OF() [3/3]

int _tr_tally OF

(

(deflate_state *s, unsigned dist, unsigned lc)

)

Variable Documentation

_dist_code

uch _dist_code[]

extern

_length_code

uch _length_code[]

extern