deflate_h

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deflate.h File Reference

#include zutil.h

Compounds

struct ct_data_s

struct internal_state

struct tree_desc_s

Defines

#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 ct_data_s ct_data

typedef static_tree_desc_s static_tree_desc

typedef tree_desc_s tree_desc

typedef ush Pos

typedef Pos FAR Posf

typedef unsigned IPos

typedef 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

const uch _length_code []

const uch _dist_code []

Define Documentation

#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); \ }

#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); \ }

#define BL_CODES 19

#define BUSY_STATE 113

#define Code fc.code

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

#define D_CODES 30

#define Dad dl.dad

#define FINISH_STATE 666

#define Freq fc.freq

#define HEAP_SIZE (2*L_CODES+1)

#define INIT_STATE 42

#define L_CODES (LITERALS+1+LENGTH_CODES)

#define Len dl.len

#define LENGTH_CODES 29

#define LITERALS 256

#define MAX_BITS 15

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

#define max_insert_length max_lazy_match

#define MIN_LOOKAHEAD (MAX_MATCH+MIN_MATCH+1)

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

Typedef Documentation

typedef struct ct_data_s ct_data

typedef struct internal_state deflate_state

typedef unsigned IPos

typedef ush Pos

typedef Pos FAR Posf

typedef struct static_tree_desc_s static_tree_desc

typedef struct tree_desc_s tree_desc

Function Documentation

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

int _tr_tally OF ( (deflate_state *s, unsigned dist, unsigned lc) )

void _tr_init OF ( (deflate_state *s) )

Variable Documentation

const uch _dist_code[]

const uch _length_code[]