deflate.h File Reference

#include "zutil.h"

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