| deflate.h (33908) | deflate.h (42471) |
|---|---|
| 1/* deflate.h -- internal compression state 2 * Copyright (C) 1995-1998 Jean-loup Gailly 3 * For conditions of distribution and use, see copyright notice in zlib.h 4 */ 5 6/* WARNING: this file should *not* be used by applications. It is 7 part of the implementation of the compression library and is 8 subject to change. Applications should only use zlib.h. 9 */ 10 | 1/* deflate.h -- internal compression state 2 * Copyright (C) 1995-1998 Jean-loup Gailly 3 * For conditions of distribution and use, see copyright notice in zlib.h 4 */ 5 6/* WARNING: this file should *not* be used by applications. It is 7 part of the implementation of the compression library and is 8 subject to change. Applications should only use zlib.h. 9 */ 10 |
| 11/* $FreeBSD: head/lib/libz/deflate.h 33908 1998-02-28 06:08:17Z steve $ */ | 11/* @(#) $Id: deflate.h,v 1.1.1.3 1999/01/10 09:46:53 peter Exp $ */ |
| 12 13#ifndef _DEFLATE_H 14#define _DEFLATE_H 15 16#include "zutil.h" 17 18/* =========================================================================== 19 * Internal compression state. --- 205 unchanged lines hidden (view full) --- 225 ushf *d_buf; 226 /* Buffer for distances. To simplify the code, d_buf and l_buf have 227 * the same number of elements. To use different lengths, an extra flag 228 * array would be necessary. 229 */ 230 231 ulg opt_len; /* bit length of current block with optimal trees */ 232 ulg static_len; /* bit length of current block with static trees */ | 12 13#ifndef _DEFLATE_H 14#define _DEFLATE_H 15 16#include "zutil.h" 17 18/* =========================================================================== 19 * Internal compression state. --- 205 unchanged lines hidden (view full) --- 225 ushf *d_buf; 226 /* Buffer for distances. To simplify the code, d_buf and l_buf have 227 * the same number of elements. To use different lengths, an extra flag 228 * array would be necessary. 229 */ 230 231 ulg opt_len; /* bit length of current block with optimal trees */ 232 ulg static_len; /* bit length of current block with static trees */ |
| 233 ulg compressed_len; /* total bit length of compressed file */ | |
| 234 uInt matches; /* number of string matches in current block */ 235 int last_eob_len; /* bit length of EOB code for last block */ 236 237#ifdef DEBUG | 233 uInt matches; /* number of string matches in current block */ 234 int last_eob_len; /* bit length of EOB code for last block */ 235 236#ifdef DEBUG |
| 238 ulg bits_sent; /* bit length of the compressed data */ | 237 ulg compressed_len; /* total bit length of compressed file mod 2^32 */ 238 ulg bits_sent; /* bit length of compressed data sent mod 2^32 */ |
| 239#endif 240 241 ush bi_buf; 242 /* Output buffer. bits are inserted starting at the bottom (least 243 * significant bits). 244 */ 245 int bi_valid; 246 /* Number of valid bits in bi_buf. All bits above the last valid bit --- 16 unchanged lines hidden (view full) --- 263#define MAX_DIST(s) ((s)->w_size-MIN_LOOKAHEAD) 264/* In order to simplify the code, particularly on 16 bit machines, match 265 * distances are limited to MAX_DIST instead of WSIZE. 266 */ 267 268 /* in trees.c */ 269void _tr_init OF((deflate_state *s)); 270int _tr_tally OF((deflate_state *s, unsigned dist, unsigned lc)); | 239#endif 240 241 ush bi_buf; 242 /* Output buffer. bits are inserted starting at the bottom (least 243 * significant bits). 244 */ 245 int bi_valid; 246 /* Number of valid bits in bi_buf. All bits above the last valid bit --- 16 unchanged lines hidden (view full) --- 263#define MAX_DIST(s) ((s)->w_size-MIN_LOOKAHEAD) 264/* In order to simplify the code, particularly on 16 bit machines, match 265 * distances are limited to MAX_DIST instead of WSIZE. 266 */ 267 268 /* in trees.c */ 269void _tr_init OF((deflate_state *s)); 270int _tr_tally OF((deflate_state *s, unsigned dist, unsigned lc)); |
| 271ulg _tr_flush_block OF((deflate_state *s, charf *buf, ulg stored_len, | 271void _tr_flush_block OF((deflate_state *s, charf *buf, ulg stored_len, |
| 272 int eof)); 273void _tr_align OF((deflate_state *s)); 274void _tr_stored_block OF((deflate_state *s, charf *buf, ulg stored_len, 275 int eof)); 276 277#define d_code(dist) \ 278 ((dist) < 256 ? _dist_code[dist] : _dist_code[256+((dist)>>7)]) 279/* Mapping from a distance to a distance code. dist is the distance - 1 and --- 39 unchanged lines hidden --- | 272 int eof)); 273void _tr_align OF((deflate_state *s)); 274void _tr_stored_block OF((deflate_state *s, charf *buf, ulg stored_len, 275 int eof)); 276 277#define d_code(dist) \ 278 ((dist) < 256 ? _dist_code[dist] : _dist_code[256+((dist)>>7)]) 279/* Mapping from a distance to a distance code. dist is the distance - 1 and --- 39 unchanged lines hidden --- |