#include "zutil.h"

Classes
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	INIT_STATE 42

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

#define	MIN_LOOKAHEAD (MAX_MATCH+MIN_MATCH+1)

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

#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 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); \
  }

Definition at line 309 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 302 of file deflate.h.

◆ BL_CODES

#define BL_CODES 19

Definition at line 42 of file deflate.h.

◆ BUSY_STATE

#define BUSY_STATE 113

Definition at line 52 of file deflate.h.

◆ Code

#define Code fc.code

Definition at line 70 of file deflate.h.

◆ d_code

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

Definition at line 284 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 71 of file deflate.h.

◆ FINISH_STATE

#define FINISH_STATE 666

Definition at line 53 of file deflate.h.

◆ Freq

#define Freq fc.freq

Definition at line 69 of file deflate.h.

◆ GZIP

#define GZIP

Definition at line 23 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

Definition at line 51 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 72 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 270 of file deflate.h.

◆ max_insert_length

#define max_insert_length max_lazy_match

Definition at line 170 of file deflate.h.

◆ MIN_LOOKAHEAD

#define MIN_LOOKAHEAD (MAX_MATCH+MIN_MATCH+1)

Definition at line 265 of file deflate.h.

◆ put_byte

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

Definition at line 262 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 84 of file deflate.h.

◆ Pos

typedef ush Pos

Definition at line 82 of file deflate.h.

◆ Posf

typedef Pos FAR Posf

Definition at line 83 of file deflate.h.

◆ static_tree_desc

typedef struct static_tree_desc_s static_tree_desc

Definition at line 74 of file deflate.h.

◆ 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

Definition at line 73 of file trees.h.

Referenced by tr_static_init().

◆ _length_code

uch _length_code[]