#include "zutil.h"

Include dependency graph for deflate.h:

This graph shows which files directly or indirectly include this file:

Data Structures
struct	ct_data_s

struct	tree_desc_s

struct	internal_state

Macros
#define	GZIP

#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	Buf_size 16

#define	INIT_STATE 42 /* zlib header -> BUSY_STATE */

#define	GZIP_STATE 57 /* gzip header -> BUSY_STATE \| EXTRA_STATE */

#define	EXTRA_STATE 69 /* gzip extra block -> NAME_STATE */

#define	NAME_STATE 73 /* gzip file name -> COMMENT_STATE */

#define	COMMENT_STATE 91 /* gzip comment -> HCRC_STATE */

#define	HCRC_STATE 103 /* gzip header CRC -> BUSY_STATE */

#define	BUSY_STATE 113 /* deflate -> FINISH_STATE */

#define	FINISH_STATE 666 /* stream complete */

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

#define	MIN_LOOKAHEAD (MAX_MATCH+MIN_MATCH+1)

#define	MAX_DIST(s) ((s)->w_size-MIN_LOOKAHEAD)

#define	WIN_INIT MAX_MATCH

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

#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	Posf

typedef unsigned	IPos

typedef struct internal_state	deflate_state

Functions
void	_tr_init ()

int	_tr_tally ()

void	_tr_flush_block ()

void	_tr_flush_bits ()

void	_tr_align ()

void	_tr_stored_block ()

Variables
uch	_length_code []

uch	_dist_code []

Macro Definition Documentation

◆ _tr_tally_dist

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

Value:

{ uch len = (uch)(length); \
    ush dist = (ush)(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); \
  }

Definition at line 333 of file deflate.h.

◆ _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); \
   }

Definition at line 326 of file deflate.h.

◆ BL_CODES

#define BL_CODES 19

Definition at line 42 of file deflate.h.

◆ Buf_size

#define Buf_size 16

Definition at line 51 of file deflate.h.

◆ BUSY_STATE

#define BUSY_STATE 113 /* deflate -> FINISH_STATE */

Definition at line 62 of file deflate.h.

◆ Code

#define Code fc.code

Definition at line 80 of file deflate.h.

◆ COMMENT_STATE

#define COMMENT_STATE 91 /* gzip comment -> HCRC_STATE */

Definition at line 60 of file deflate.h.

◆ d_code

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

Definition at line 308 of file deflate.h.

◆ D_CODES

#define D_CODES 30

Definition at line 39 of file deflate.h.

◆ Dad

#define Dad dl.dad

Definition at line 81 of file deflate.h.

◆ EXTRA_STATE

#define EXTRA_STATE 69 /* gzip extra block -> NAME_STATE */

Definition at line 58 of file deflate.h.

◆ FINISH_STATE

#define FINISH_STATE 666 /* stream complete */

Definition at line 63 of file deflate.h.

◆ Freq

#define Freq fc.freq

Definition at line 79 of file deflate.h.

◆ GZIP

#define GZIP

Definition at line 23 of file deflate.h.

◆ GZIP_STATE

#define GZIP_STATE 57 /* gzip header -> BUSY_STATE | EXTRA_STATE */

Definition at line 56 of file deflate.h.

◆ HCRC_STATE

#define HCRC_STATE 103 /* gzip header CRC -> BUSY_STATE */

Definition at line 61 of file deflate.h.

◆ HEAP_SIZE

#define HEAP_SIZE (2*L_CODES+1)

Definition at line 45 of file deflate.h.

◆ INIT_STATE

#define INIT_STATE 42 /* zlib header -> BUSY_STATE */

Definition at line 54 of file deflate.h.

◆ L_CODES

#define L_CODES (LITERALS+1+LENGTH_CODES)

Definition at line 36 of file deflate.h.

◆ Len

#define Len dl.len

Definition at line 82 of file deflate.h.

◆ LENGTH_CODES

#define LENGTH_CODES 29

Definition at line 30 of file deflate.h.

◆ LITERALS

#define LITERALS 256

Definition at line 33 of file deflate.h.

◆ MAX_BITS

#define MAX_BITS 15

Definition at line 48 of file deflate.h.

◆ MAX_DIST

#define MAX_DIST ( s ) ((s)->w_size-MIN_LOOKAHEAD)

Definition at line 289 of file deflate.h.

◆ max_insert_length

#define max_insert_length max_lazy_match

Definition at line 182 of file deflate.h.

◆ MIN_LOOKAHEAD

#define MIN_LOOKAHEAD (MAX_MATCH+MIN_MATCH+1)

Definition at line 284 of file deflate.h.

◆ NAME_STATE

#define NAME_STATE 73 /* gzip file name -> COMMENT_STATE */

Definition at line 59 of file deflate.h.

◆ put_byte

#define put_byte	(	s,
		c
	)	{s->pending_buf[s->pending++] = (Bytef)(c);}

Definition at line 281 of file deflate.h.

◆ WIN_INIT

#define WIN_INIT MAX_MATCH

Definition at line 294 of file deflate.h.

Typedef Documentation

◆ ct_data

typedef struct ct_data_s ct_data

◆ deflate_state

typedef struct internal_state deflate_state

◆ IPos

typedef unsigned IPos

Definition at line 94 of file deflate.h.

◆ Pos

typedef ush Pos

Definition at line 92 of file deflate.h.

◆ Posf

typedef Pos Posf

Definition at line 93 of file deflate.h.

◆ static_tree_desc

typedef struct static_tree_desc_s static_tree_desc

Definition at line 84 of file deflate.h.

◆ tree_desc

typedef struct tree_desc_s tree_desc

Function Documentation

◆ _tr_align()

void _tr_align ( )

Referenced by deflate().

◆ _tr_flush_bits()

void _tr_flush_bits ( )

Referenced by deflatePrime(), and flush_pending().

◆ _tr_flush_block()

void _tr_flush_block ( )

◆ _tr_init()

void _tr_init ( )

Referenced by deflateResetKeep().

◆ _tr_stored_block()

void _tr_stored_block ( )

Referenced by deflate(), and deflate_stored().

◆ _tr_tally()

int _tr_tally ( )

Variable Documentation

◆ _dist_code

uch _dist_code[]

Definition at line 98 of file trees.c.

Referenced by tr_static_init().

◆ _length_code

uch _length_code[]

Definition at line 104 of file trees.c.

Referenced by _tr_tally(), compress_block(), and tr_static_init().

Data Structures

Macros

Typedefs

Functions

Variables