bzip2 code cleanup
git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@1293 212acab6-be3b-0410-9dea-997c60f758d6
This commit is contained in:
justin1014
parent
ce90415670
commit
aee7274442
6 changed files with 204 additions and 295 deletions
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@ -1,5 +1,6 @@
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#include "../exehead/config.h"
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#if (defined(EXEHEAD) && defined(NSIS_COMPRESS_USE_BZIP2)) || !defined(EXEHEAD)
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#include "bzlib.h"
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#if (defined(NSIS_COMPRESS_USE_BZIP2) && defined(NSIS_CONFIG_COMPRESSION_SUPPORT)) || !defined(EXEHEAD)
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/*-------------------------------------------------------------*/
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/*--- Block sorting machinery ---*/
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/*--- blocksort.c ---*/
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@ -66,18 +67,13 @@
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file implements the algorithm called cache in the paper.
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--*/
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#include "bzlib.h"
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/*---------------------------------------------*/
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/*--- Fallback O(N log(N)^2) sorting ---*/
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/*--- algorithm, for repetitive blocks ---*/
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/*---------------------------------------------*/
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/*---------------------------------------------*/
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static
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__inline__
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void fallbackSimpleSort ( UInt32* fmap,
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static void fallbackSimpleSort ( UInt32* fmap,
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UInt32* eclass,
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Int32 lo,
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Int32 hi )
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@ -379,9 +375,7 @@ void fallbackSort ( UInt32* fmap,
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/*---------------------------------------------*/
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/*---------------------------------------------*/
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static
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__inline__
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Bool mainGtU ( UInt32 i1,
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static Bool mainGtU ( UInt32 i1,
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UInt32 i2,
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UChar* block,
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UInt16* quadrant,
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@ -616,7 +610,6 @@ void mainSimpleSort ( UInt32* ptr,
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}
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static
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__inline__
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UChar mmed3 ( UChar a, UChar b, UChar c )
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{
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UChar t;
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@ -1,4 +1,5 @@
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#include "../exehead/config.h"
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#include "bzlib.h"
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#if (defined(NSIS_COMPRESS_USE_BZIP2) && defined(NSIS_CONFIG_COMPRESSION_SUPPORT)) || !defined(EXEHEAD)
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/*-------------------------------------------------------------*/
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/*--- Library top-level functions. ---*/
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@ -114,8 +115,7 @@ Bool isempty_RL ( EState* s )
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}
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/*---------------------------------------------------*/
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int BZ_API(BZ2_bzCompressInit)
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( bz_stream* strm,
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int BZ2_bzCompressInit( bz_stream* strm,
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int blockSize100k,
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int verbosity,
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int workFactor )
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@ -356,7 +356,7 @@ Bool handle_compress ( bz_stream* strm )
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/*---------------------------------------------------*/
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int BZ_API(BZ2_bzCompress) ( bz_stream *strm, int action )
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int BZ2_bzCompress( bz_stream *strm, int action )
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{
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Bool progress;
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EState* s;
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@ -417,7 +417,7 @@ int BZ_API(BZ2_bzCompress) ( bz_stream *strm, int action )
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/*---------------------------------------------------*/
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int BZ_API(BZ2_bzCompressEnd) ( bz_stream *strm )
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int BZ2_bzCompressEnd( bz_stream *strm )
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{
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EState* s;
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if (strm == NULL) return BZ_PARAM_ERROR;
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@ -576,9 +576,8 @@ static void unRLE_obuf_to_output_FAST ( DState* s )
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/*---------------------------------------------------*/
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int BZ_API(BZ2_bzDecompress) ( DState *s )
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int NSISCALL BZ2_bzDecompress( DState *s )
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{
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while (True) {
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if (s->state == BZ_X_IDLE) return BZ_SEQUENCE_ERROR;
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if (s->state == BZ_X_OUTPUT) {
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@ -66,12 +66,13 @@
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#ifndef _BZLIB_H
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#define _BZLIB_H
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#define BZ_NO_STDIO 1
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "../exehead/config.h"
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#include <windows.h>
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#define BZ_RUN 0
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#define BZ_FLUSH 1
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#define BZ_FINISH 2
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@ -91,102 +92,6 @@ extern "C" {
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#define BZ_OUTBUFF_FULL (-8)
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#define BZ_CONFIG_ERROR (-9)
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typedef
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struct {
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char *next_in;
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unsigned int avail_in;
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char *next_out;
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unsigned int avail_out;
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void *state;
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}
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bz_stream;
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#ifndef BZ_IMPORT
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#define BZ_EXPORT
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#endif
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#ifdef _WIN32
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# include <stdio.h>
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# include <windows.h>
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# ifdef small
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/* windows.h define small to char */
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# undef small
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# endif
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# ifdef BZ_EXPORT
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# define BZ_API(func) WINAPI func
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# define BZ_EXTERN extern
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# else
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/* import windows dll dynamically */
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# define BZ_API(func) (WINAPI * func)
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# define BZ_EXTERN
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# endif
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#else
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# define BZ_API(func) func
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# define BZ_EXTERN extern
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#endif
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/*-- Core (low-level) library functions --*/
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BZ_EXTERN int BZ_API(BZ2_bzCompressInit) (
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bz_stream* strm,
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int blockSize100k,
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int verbosity,
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int workFactor
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);
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BZ_EXTERN int BZ_API(BZ2_bzCompress) (
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bz_stream* strm,
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int action
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);
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BZ_EXTERN int BZ_API(BZ2_bzCompressEnd) (
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bz_stream* strm
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);
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/*-- General stuff. --*/
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#define BZ_VERSION "1.0.1, 23-June-2000"
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typedef char Char;
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typedef unsigned char Bool;
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typedef unsigned char UChar;
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typedef int Int32;
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typedef unsigned int UInt32;
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typedef short Int16;
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typedef unsigned short UInt16;
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#define True ((Bool)1)
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#define False ((Bool)0)
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#ifndef __GNUC__
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#define __inline__ /* */
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#endif
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#define AssertD(cond,msg) /* */
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#define AssertH(cond,errcode) /* */
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#define AssertD(cond,msg) /* */
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#define VPrintf0(zf) /* */
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#define VPrintf1(zf,za1) /* */
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#define VPrintf2(zf,za1,za2) /* */
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#define VPrintf3(zf,za1,za2,za3) /* */
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#define VPrintf4(zf,za1,za2,za3,za4) /* */
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#define VPrintf5(zf,za1,za2,za3,za4,za5) /* */
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#ifdef EXEHEAD
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#include "../exehead/util.h"
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#define BZALLOC(items) my_GlobalAlloc(items)
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#else // def EXEHEAD
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#define BZALLOC(items) GlobalAlloc(GPTR,items)
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#define mini_memcpy memcpy
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#endif // def EXEHEAD
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#define BZFREE(addr) { if (addr) GlobalFree(addr); }
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/*-- Constants for the back end. --*/
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#define BZ_MAX_ALPHA_SIZE 258
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@ -201,6 +106,55 @@ typedef unsigned short UInt16;
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#define BZ_MAX_SELECTORS (2 + (900000 / BZ_G_SIZE))
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typedef char Char;
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typedef unsigned char Bool;
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typedef unsigned char UChar;
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typedef int Int32;
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typedef unsigned int UInt32;
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typedef short Int16;
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typedef unsigned short UInt16;
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#define True ((Bool)1)
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#define False ((Bool)0)
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#define AssertD(cond,msg) /* */
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#define AssertH(cond,errcode) /* */
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#define AssertD(cond,msg) /* */
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#define VPrintf0(zf) /* */
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#define VPrintf1(zf,za1) /* */
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#define VPrintf2(zf,za1,za2) /* */
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#define VPrintf3(zf,za1,za2,za3) /* */
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#define VPrintf4(zf,za1,za2,za3,za4) /* */
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#define VPrintf5(zf,za1,za2,za3,za4,za5) /* */
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#ifndef EXEHEAD
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#define BZALLOC(items) GlobalAlloc(GPTR,items)
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#define BZFREE(addr) { if (addr) GlobalFree(addr); }
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#define mini_memcpy memcpy
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typedef struct {
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char *next_in;
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unsigned int avail_in;
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char *next_out;
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unsigned int avail_out;
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void *state;
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} bz_stream;
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/*-- Core (low-level) library functions --*/
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extern int BZ2_bzCompressInit(
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bz_stream* strm,
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int blockSize100k,
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int verbosity,
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int workFactor
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);
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extern int BZ2_bzCompress( bz_stream* strm, int action );
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extern int BZ2_bzCompressEnd(bz_stream* strm );
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/*-- States and modes for compression. --*/
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#define BZ_M_IDLE 1
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@ -216,96 +170,84 @@ typedef unsigned short UInt16;
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#define BZ_N_SHELL 18
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#define BZ_N_OVERSHOOT (BZ_N_RADIX + BZ_N_QSORT + BZ_N_SHELL + 2)
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/*-- Structure holding all the compression-side stuff. --*/
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typedef
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struct {
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/* pointer back to the struct bz_stream */
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bz_stream *strm;
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typedef struct {
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/* pointer back to the struct bz_stream */
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bz_stream *strm;
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/* mode this stream is in, and whether inputting */
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/* or outputting data */
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Int32 mode;
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Int32 state;
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/* mode this stream is in, and whether inputting */
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/* or outputting data */
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Int32 mode;
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Int32 state;
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/* remembers avail_in when flush/finish requested */
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UInt32 avail_in_expect;
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/* remembers avail_in when flush/finish requested */
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UInt32 avail_in_expect;
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/* for doing the block sorting */
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UInt32* arr1;
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UInt32* arr2;
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UInt32* ftab;
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Int32 origPtr;
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/* for doing the block sorting */
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UInt32* arr1;
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UInt32* arr2;
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UInt32* ftab;
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Int32 origPtr;
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/* aliases for arr1 and arr2 */
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UInt32* ptr;
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UChar* block;
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UInt16* mtfv;
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UChar* zbits;
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/* aliases for arr1 and arr2 */
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UInt32* ptr;
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UChar* block;
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UInt16* mtfv;
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UChar* zbits;
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/* for deciding when to use the fallback sorting algorithm */
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Int32 workFactor;
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/* for deciding when to use the fallback sorting algorithm */
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Int32 workFactor;
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/* run-length-encoding of the input */
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UInt32 state_in_ch;
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Int32 state_in_len;
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/* run-length-encoding of the input */
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UInt32 state_in_ch;
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Int32 state_in_len;
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/* input and output limits and current posns */
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Int32 nblock;
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Int32 nblockMAX;
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Int32 numZ;
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Int32 state_out_pos;
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/* input and output limits and current posns */
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Int32 nblock;
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Int32 nblockMAX;
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Int32 numZ;
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Int32 state_out_pos;
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/* map of bytes used in block */
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Int32 nInUse;
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Bool inUse[256];
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UChar unseqToSeq[256];
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/* map of bytes used in block */
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Int32 nInUse;
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Bool inUse[256];
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UChar unseqToSeq[256];
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/* the buffer for bit stream creation */
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UInt32 bsBuff;
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Int32 bsLive;
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/* the buffer for bit stream creation */
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UInt32 bsBuff;
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Int32 bsLive;
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/* misc administratium */
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Int32 blockNo;
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/* misc administratium */
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Int32 blockNo;
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/* stuff for coding the MTF values */
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Int32 nMTF;
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Int32 mtfFreq [BZ_MAX_ALPHA_SIZE];
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UChar selector [BZ_MAX_SELECTORS];
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UChar selectorMtf[BZ_MAX_SELECTORS];
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/* stuff for coding the MTF values */
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Int32 nMTF;
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Int32 mtfFreq [BZ_MAX_ALPHA_SIZE];
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UChar selector [BZ_MAX_SELECTORS];
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UChar selectorMtf[BZ_MAX_SELECTORS];
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UChar len [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
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Int32 code [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
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Int32 rfreq [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
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/* second dimension: only 3 needed; 4 makes index calculations faster */
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UInt32 len_pack[BZ_MAX_ALPHA_SIZE][4];
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UChar len [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
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Int32 code [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
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Int32 rfreq [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
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/* second dimension: only 3 needed; 4 makes index calculations faster */
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UInt32 len_pack[BZ_MAX_ALPHA_SIZE][4];
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}
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EState;
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} EState;
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/*-- externs for compression. --*/
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extern void
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BZ2_blockSort ( EState* );
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extern void
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BZ2_compressBlock ( EState*, Bool );
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extern void
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BZ2_bsInitWrite ( EState* );
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extern void
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BZ2_hbAssignCodes ( Int32*, UChar*, Int32, Int32, Int32 );
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extern void
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BZ2_hbMakeCodeLengths ( UChar*, Int32*, Int32, Int32 );
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extern void BZ2_blockSort ( EState* );
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extern void BZ2_compressBlock ( EState*, Bool );
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extern void BZ2_bsInitWrite ( EState* );
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extern void BZ2_hbAssignCodes ( Int32*, UChar*, Int32, Int32, Int32 );
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extern void BZ2_hbMakeCodeLengths ( UChar*, Int32*, Int32, Int32 );
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#else//EXEHEAD
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#include "../exehead/util.h"
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/*-- states for decompression. --*/
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@ -343,96 +285,94 @@ BZ2_hbMakeCodeLengths ( UChar*, Int32*, Int32, Int32 );
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/* save area for scalars in the main decompress code */
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typedef struct {
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Int32 i;
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Int32 j;
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Int32 t;
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Int32 alphaSize;
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Int32 nGroups;
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Int32 nSelectors;
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Int32 EOB;
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Int32 groupNo;
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Int32 groupPos;
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Int32 nextSym;
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Int32 nblockMAX;
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Int32 nblock;
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Int32 es;
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Int32 N;
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Int32 curr;
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Int32 zt;
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Int32 zn;
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Int32 zvec;
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Int32 zj;
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Int32 gSel;
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Int32 gMinlen;
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Int32* gLimit;
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Int32* gBase;
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Int32* gPerm;
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Int32 i;
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Int32 j;
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Int32 t;
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Int32 alphaSize;
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Int32 nGroups;
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Int32 nSelectors;
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Int32 EOB;
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Int32 groupNo;
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Int32 groupPos;
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Int32 nextSym;
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Int32 nblockMAX;
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Int32 nblock;
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Int32 es;
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Int32 N;
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Int32 curr;
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Int32 zt;
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Int32 zn;
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Int32 zvec;
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Int32 zj;
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Int32 gSel;
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Int32 gMinlen;
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Int32* gLimit;
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Int32* gBase;
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Int32* gPerm;
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} DState_save;
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/*-- Structure holding all the decompression-side stuff. --*/
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typedef
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struct {
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/* pointer back to the struct bz_stream */
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char *next_in;
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unsigned int avail_in;
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typedef struct {
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/* pointer back to the struct bz_stream */
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char *next_in;
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unsigned int avail_in;
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char *next_out;
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unsigned int avail_out;
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char *next_out;
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unsigned int avail_out;
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/* state indicator for this stream */
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char state;
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/* state indicator for this stream */
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char state;
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UChar state_out_ch;
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Int32 state_out_len;
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Int32 nblock_used;
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Int32 k0;
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UInt32 tPos;
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UChar state_out_ch;
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||||
Int32 state_out_len;
|
||||
Int32 nblock_used;
|
||||
Int32 k0;
|
||||
UInt32 tPos;
|
||||
|
||||
/* the buffer for bit stream reading */
|
||||
UInt32 bsBuff;
|
||||
Int32 bsLive;
|
||||
/* the buffer for bit stream reading */
|
||||
UInt32 bsBuff;
|
||||
Int32 bsLive;
|
||||
|
||||
/* for undoing the Burrows-Wheeler transform */
|
||||
Int32 origPtr;
|
||||
Int32 unzftab[256];
|
||||
Int32 cftab[257];
|
||||
Int32 cftabCopy[257];
|
||||
/* for undoing the Burrows-Wheeler transform */
|
||||
Int32 origPtr;
|
||||
Int32 unzftab[256];
|
||||
Int32 cftab[257];
|
||||
Int32 cftabCopy[257];
|
||||
|
||||
#ifndef NSIS_COMPRESS_BZIP2_SMALLMODE
|
||||
/* for undoing the Burrows-Wheeler transform (FAST) */
|
||||
UInt32 tt[ NSIS_COMPRESS_BZIP2_LEVEL * 100000 ];
|
||||
/* for undoing the Burrows-Wheeler transform (FAST) */
|
||||
UInt32 tt[ NSIS_COMPRESS_BZIP2_LEVEL * 100000 ];
|
||||
#else
|
||||
/* for undoing the Burrows-Wheeler transform (SMALL) */
|
||||
UInt16 ll16 [ NSIS_COMPRESS_BZIP2_LEVEL*100000 ];
|
||||
UChar ll4 [((1 + NSIS_COMPRESS_BZIP2_LEVEL*100000) >> 1) ];
|
||||
/* for undoing the Burrows-Wheeler transform (SMALL) */
|
||||
UInt16 ll16 [ NSIS_COMPRESS_BZIP2_LEVEL*100000 ];
|
||||
UChar ll4 [((1 + NSIS_COMPRESS_BZIP2_LEVEL*100000) >> 1) ];
|
||||
#endif
|
||||
|
||||
/* map of bytes used in block */
|
||||
Int32 nInUse;
|
||||
Bool inUse[256];
|
||||
Bool inUse16[16];
|
||||
UChar seqToUnseq[256];
|
||||
/* map of bytes used in block */
|
||||
Int32 nInUse;
|
||||
Bool inUse[256];
|
||||
Bool inUse16[16];
|
||||
UChar seqToUnseq[256];
|
||||
|
||||
/* for decoding the MTF values */
|
||||
UChar mtfa [MTFA_SIZE];
|
||||
Int32 mtfbase[256 / MTFL_SIZE];
|
||||
UChar selector [BZ_MAX_SELECTORS];
|
||||
UChar selectorMtf[BZ_MAX_SELECTORS];
|
||||
UChar len [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
|
||||
/* for decoding the MTF values */
|
||||
UChar mtfa [MTFA_SIZE];
|
||||
Int32 mtfbase[256 / MTFL_SIZE];
|
||||
UChar selector [BZ_MAX_SELECTORS];
|
||||
UChar selectorMtf[BZ_MAX_SELECTORS];
|
||||
UChar len [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
|
||||
|
||||
Int32 limit [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
|
||||
Int32 base [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
|
||||
Int32 perm [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
|
||||
Int32 minLens[BZ_N_GROUPS];
|
||||
|
||||
/* save area for scalars in the main decompress code */
|
||||
DState_save save;
|
||||
}
|
||||
DState;
|
||||
Int32 limit [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
|
||||
Int32 base [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
|
||||
Int32 perm [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE];
|
||||
Int32 minLens[BZ_N_GROUPS];
|
||||
|
||||
/* save area for scalars in the main decompress code */
|
||||
DState_save save;
|
||||
} DState;
|
||||
|
||||
|
||||
#ifndef NSIS_COMPRESS_BZIP2_SMALLMODE
|
||||
/*-- Macros for decompression. --*/
|
||||
|
||||
#define BZ_GET_FAST(cccc) \
|
||||
|
|
@ -445,6 +385,9 @@ typedef
|
|||
cccc = (UChar)(c_tPos & 0xff); \
|
||||
c_tPos >>= 8;
|
||||
|
||||
|
||||
#else//NSIS_COMPRESS_BZIP2_SMALLMODE
|
||||
|
||||
#define SET_LL4(i,n) \
|
||||
{ if (((i) & 0x1) == 0) \
|
||||
s->ll4[(i) >> 1] = (s->ll4[(i) >> 1] & 0xf0) | (n); else \
|
||||
|
|
@ -466,36 +409,21 @@ typedef
|
|||
cccc = BZ2_indexIntoF ( s->tPos, s->cftab ); \
|
||||
s->tPos = GET_LL(s->tPos);
|
||||
|
||||
extern Int32 BZ2_indexIntoF( Int32, Int32* );
|
||||
|
||||
#endif//smallmode
|
||||
|
||||
/*-- externs for decompression. --*/
|
||||
extern Int32 BZ2_decompress ( DState* );
|
||||
|
||||
extern Int32
|
||||
BZ2_indexIntoF ( Int32, Int32* );
|
||||
|
||||
extern Int32
|
||||
BZ2_decompress ( DState* );
|
||||
|
||||
extern void
|
||||
BZ2_hbCreateDecodeTables ( Int32*, Int32*, Int32*, UChar*,
|
||||
extern void BZ2_hbCreateDecodeTables ( Int32*, Int32*, Int32*, UChar*,
|
||||
Int32, Int32, Int32 );
|
||||
|
||||
|
||||
#define BZ2_bzDecompressInit(s) { (s)->state = BZ_X_BLKHDR_1; }
|
||||
int NSISCALL BZ2_bzDecompress(DState *s);
|
||||
|
||||
BZ_EXTERN int BZ_API(BZ2_bzDecompress) ( DState * s );
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
/*-- BZ_NO_STDIO seems to make NULL disappear on some platforms. --*/
|
||||
|
||||
#ifdef BZ_NO_STDIO
|
||||
#ifndef NULL
|
||||
#define NULL 0
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
#endif//EXEHEAD
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,5 +1,3 @@
|
|||
#include "../exehead/config.h"
|
||||
#if !defined(EXEHEAD)
|
||||
/*-------------------------------------------------------------*/
|
||||
/*--- Compression machinery (not incl block sorting) ---*/
|
||||
/*--- compress.c ---*/
|
||||
|
|
@ -113,9 +111,7 @@ void bsFinishWrite ( EState* s )
|
|||
|
||||
|
||||
/*---------------------------------------------------*/
|
||||
static
|
||||
__inline__
|
||||
void bsW ( EState* s, Int32 n, UInt32 v )
|
||||
static void bsW ( EState* s, Int32 n, UInt32 v )
|
||||
{
|
||||
bsNEEDW ( n );
|
||||
s->bsBuff |= (v << (32 - s->bsLive - n));
|
||||
|
|
@ -656,5 +652,3 @@ void BZ2_compressBlock ( EState* s, Bool is_last_block )
|
|||
/*-------------------------------------------------------------*/
|
||||
/*--- end compress.c ---*/
|
||||
/*-------------------------------------------------------------*/
|
||||
|
||||
#endif
|
||||
|
|
@ -1,5 +1,6 @@
|
|||
#include "../exehead/config.h"
|
||||
#if (defined(NSIS_COMPRESS_USE_BZIP2) && defined(NSIS_CONFIG_COMPRESSION_SUPPORT)) || !defined(EXEHEAD)
|
||||
#include "bzlib.h"
|
||||
|
||||
#if defined(NSIS_COMPRESS_USE_BZIP2) && defined(NSIS_CONFIG_COMPRESSION_SUPPORT)
|
||||
|
||||
/*-------------------------------------------------------------*/
|
||||
/*--- Decompression machinery ---*/
|
||||
|
|
@ -61,10 +62,6 @@
|
|||
--*/
|
||||
|
||||
|
||||
#include "bzlib.h"
|
||||
|
||||
|
||||
|
||||
/*---------------------------------------------------*/
|
||||
#define RETURN(rrr) \
|
||||
{ retVal = rrr; goto save_state_and_return; };
|
||||
|
|
|
|||
|
|
@ -1,4 +1,5 @@
|
|||
#include "../exehead/config.h"
|
||||
#include "bzlib.h"
|
||||
|
||||
#if (defined(NSIS_COMPRESS_USE_BZIP2) && defined(NSIS_CONFIG_COMPRESSION_SUPPORT)) || !defined(EXEHEAD)
|
||||
/*-------------------------------------------------------------*/
|
||||
/*--- Huffman coding low-level stuff ---*/
|
||||
|
|
@ -59,9 +60,6 @@
|
|||
For more information on these sources, see the manual.
|
||||
--*/
|
||||
|
||||
|
||||
#include "bzlib.h"
|
||||
|
||||
#ifndef EXEHEAD
|
||||
/*---------------------------------------------------*/
|
||||
#define WEIGHTOF(zz0) ((zz0) & 0xffffff00)
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue