#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	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 FAR	Posf

typedef unsigned	IPos

typedef struct internal_state	deflate_state

Functions
void ZLIB_INTERNAL _tr_init	OF ((deflate_state *s))

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

void ZLIB_INTERNAL _tr_flush_block	OF ((deflate_state s, charf buf, ulg stored_len, int last))

Variables
uch ZLIB_INTERNAL	_length_code []

uch ZLIB_INTERNAL	_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->sym_buf[s->sym_next++] = dist; \
    s->sym_buf[s->sym_next++] = dist >> 8; \
    s->sym_buf[s->sym_next++] = len; \
    dist--; \
    s->dyn_ltree[_length_code[len]+LITERALS+1].Freq++; \
    s->dyn_dtree[d_code(dist)].Freq++; \
    flush = (s->sym_next == s->sym_end); \
  }

Definition at line 328 of file deflate.h.

◆ _tr_tally_lit

#define _tr_tally_lit	(	s,
		c,
		flush
	)

Value:

  { uch cc = (c); \
    s->sym_buf[s->sym_next++] = 0; \
    s->sym_buf[s->sym_next++] = 0; \
    s->sym_buf[s->sym_next++] = cc; \
    s->dyn_ltree[cc].Freq++; \
    flush = (s->sym_next == s->sym_end); \
   }

Definition at line 320 of file deflate.h.

◆ BL_CODES

#define BL_CODES 19

Definition at line 41 of file deflate.h.

◆ Buf_size

#define Buf_size 16

Definition at line 50 of file deflate.h.

◆ BUSY_STATE

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

Definition at line 61 of file deflate.h.

◆ Code

#define Code fc.code

Definition at line 79 of file deflate.h.

◆ COMMENT_STATE

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

Definition at line 59 of file deflate.h.

◆ d_code

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

Definition at line 302 of file deflate.h.

◆ D_CODES

#define D_CODES 30

Definition at line 38 of file deflate.h.

◆ Dad

#define Dad dl.dad

Definition at line 80 of file deflate.h.

◆ EXTRA_STATE

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

Definition at line 57 of file deflate.h.

◆ FINISH_STATE

#define FINISH_STATE 666 /* stream complete */

Definition at line 62 of file deflate.h.

◆ Freq

#define Freq fc.freq

Definition at line 78 of file deflate.h.

◆ GZIP

#define GZIP

Definition at line 22 of file deflate.h.

◆ GZIP_STATE

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

Definition at line 55 of file deflate.h.

◆ HCRC_STATE

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

Definition at line 60 of file deflate.h.

◆ HEAP_SIZE

#define HEAP_SIZE (2*L_CODES+1)

Definition at line 44 of file deflate.h.

◆ INIT_STATE

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

Definition at line 53 of file deflate.h.

◆ L_CODES

#define L_CODES (LITERALS+1+LENGTH_CODES)

Definition at line 35 of file deflate.h.

◆ Len

#define Len dl.len

Definition at line 81 of file deflate.h.

◆ LENGTH_CODES

#define LENGTH_CODES 29

Definition at line 29 of file deflate.h.

◆ LITERALS

#define LITERALS 256

Definition at line 32 of file deflate.h.

◆ MAX_BITS

#define MAX_BITS 15

Definition at line 47 of file deflate.h.

◆ MAX_DIST

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

Definition at line 283 of file deflate.h.

◆ max_insert_length

#define max_insert_length max_lazy_match

Definition at line 181 of file deflate.h.

◆ MIN_LOOKAHEAD

#define MIN_LOOKAHEAD (MAX_MATCH+MIN_MATCH+1)

Definition at line 278 of file deflate.h.

◆ NAME_STATE

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

Definition at line 58 of file deflate.h.

◆ put_byte

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

Definition at line 275 of file deflate.h.

◆ WIN_INIT

#define WIN_INIT MAX_MATCH

Definition at line 288 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 93 of file deflate.h.

◆ Pos

typedef ush Pos

Definition at line 91 of file deflate.h.

◆ Posf

typedef Pos FAR Posf

Definition at line 92 of file deflate.h.

◆ static_tree_desc

typedef struct static_tree_desc_s static_tree_desc

Definition at line 83 of file deflate.h.

◆ tree_desc

typedef struct tree_desc_s tree_desc

Function Documentation

◆ OF() [1/3]

void ZLIB_INTERNAL _tr_init OF ( (deflate_state *s) )

◆ OF() [2/3]

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

◆ OF() [3/3]

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

Variable Documentation

◆ _dist_code

uch ZLIB_INTERNAL _dist_code[]

extern

Definition at line 73 of file trees.h.

Referenced by tr_static_init().

◆ _length_code

uch ZLIB_INTERNAL _length_code[]