lzma_c: no need to rebuild for using in kpack/kerpack, cleanup
Removed samples, converted indentation to spaces, translated to english, added header for exporting functions. Added is_kerpack argument to lzma_compress() to make it usable either for kpack and kerpack without rebuild
This commit is contained in:
@@ -1027,35 +1027,39 @@ static bool CodeOneBlock(void)
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}
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}
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extern void __stdcall lzma_set_dict_size(
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void __stdcall lzma_set_dict_size(
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unsigned logdictsize)
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{
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_dictionarySize = 1 << logdictsize;
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_distTableSize = logdictsize*2;
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}
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extern unsigned __stdcall lzma_compress(
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unsigned __stdcall lzma_compress(
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const void* source,
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void* destination,
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unsigned length,
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void* workmem)
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void* workmem,
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int is_kerpack)
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{
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FastPosInit();
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//memset(&encoder,0,sizeof(encoder));
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//memset(&rangeEncoder,0,sizeof(rangeEncoder));
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// CEncoder::CEncoder, CEncoder::SetCoderProperties
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_numFastBytes = 128;
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#ifdef FOR_KERPACK
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if (is_kerpack)
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{
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_posStateBits = 0;
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_posStateMask = 0;
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#else
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}
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else
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{
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_posStateBits = 2;
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_posStateMask = 3;
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#endif
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}
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_numLiteralContextBits = 3;
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_numLiteralPosStateBits = 0;
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_writeEndMark = false;
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// CEncoder::Code - <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>!
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// CEncoder::Code - go!
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_finished = false;
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CEncoder_Create(workmem);
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CEncoder_Init();
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@@ -1,15 +1,5 @@
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#include "MatchFinder.h"
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/* memcpy must be inlined - we do not want to use RTL */
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#include <memory.h>
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/*#pragma function(memcpy)
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void* __cdecl memcpy(void* _Dst, const void* _Src, size_t _Size)
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{
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unsigned long i;
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for (i = 0; i < _Size; i++)
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((char*)_Dst)[i] = ((char*)_Src)[i];
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return _Dst;
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}*/
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//#pragma intrinsic(memcpy)
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#define kMaxValForNormalize (((unsigned)1<<31)-1)
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@@ -1,132 +0,0 @@
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# Microsoft Developer Studio Project File - Name="lzmapack" - Package Owner=<4>
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# Microsoft Developer Studio Generated Build File, Format Version 6.00
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# ** DO NOT EDIT **
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||||
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# TARGTYPE "Win32 (x86) Static Library" 0x0104
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CFG=lzmapack - Win32 Debug
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# ADD RSC /l 0x419 /d "NDEBUG"
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LIB32=link.exe -lib
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# ADD BASE LIB32 /nologo
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# ADD LIB32 /nologo
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LIB32=link.exe -lib
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# ADD BASE LIB32 /nologo
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# ADD LIB32 /nologo
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# Begin Target
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# Name "lzmapack - Win32 Release"
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# Name "lzmapack - Win32 Debug"
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# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"
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# Begin Source File
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SOURCE=.\LZMAEncoder.c
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# End Source File
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# Begin Source File
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SOURCE=.\MatchFinder.c
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# End Source File
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# Begin Source File
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SOURCE=.\RangeCoder.c
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SOURCE=.\common.h
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# End Source File
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# Begin Source File
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SOURCE=.\lzma.h
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# End Source File
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# Begin Source File
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SOURCE=.\LZMAEncoder.h
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# End Source File
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# Begin Source File
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SOURCE=.\MatchFinder.h
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# End Source File
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SOURCE=.\RangeCoder.h
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# End Source File
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# Begin Source File
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SOURCE=.\RangeCoderBit.h
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# End Source File
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SOURCE=.\RangeCoderBitTree.h
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@@ -1,44 +0,0 @@
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Microsoft Developer Studio Workspace File, Format Version 6.00
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# WARNING: DO NOT EDIT OR DELETE THIS WORKSPACE FILE!
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###############################################################################
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Project: "lzmapack"=.\lzmapack.dsp - Package Owner=<4>
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Package=<5>
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{{{
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Package=<4>
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{{{
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###############################################################################
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Project: "lzmatest"=.\lzmatest\lzmatest.dsp - Package Owner=<4>
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Package=<5>
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{{{
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}}}
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Package=<4>
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{{{
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Begin Project Dependency
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Project_Dep_Name lzmapack
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End Project Dependency
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}}}
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###############################################################################
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Global:
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Package=<3>
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###############################################################################
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@@ -1,102 +0,0 @@
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# Microsoft Developer Studio Project File - Name="lzmatest" - Package Owner=<4>
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# Microsoft Developer Studio Generated Build File, Format Version 6.00
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# ** DO NOT EDIT **
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||||
# TARGTYPE "Win32 (x86) Console Application" 0x0103
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|
||||
CFG=lzmatest - Win32 Debug
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||||
!MESSAGE This is not a valid makefile. To build this project using NMAKE,
|
||||
!MESSAGE use the Export Makefile command and run
|
||||
!MESSAGE
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!MESSAGE NMAKE /f "lzmatest.mak".
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!MESSAGE
|
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!MESSAGE You can specify a configuration when running NMAKE
|
||||
!MESSAGE by defining the macro CFG on the command line. For example:
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!MESSAGE
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||||
!MESSAGE NMAKE /f "lzmatest.mak" CFG="lzmatest - Win32 Debug"
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!MESSAGE Possible choices for configuration are:
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CPP=cl.exe
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# ADD BSC32 /nologo
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LINK32=link.exe
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# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386
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# ADD LINK32 kernel32.lib ..\lzmapack.lib /nologo /subsystem:console /machine:I386
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# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
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@@ -1,31 +0,0 @@
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#include <stdio.h>
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#include <windows.h>
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extern "C" __stdcall lzma_set_dict_size(unsigned logdictsize);
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||||
extern "C" __stdcall lzma_compress(
|
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const void* source,
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void* destination,
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||||
unsigned length,
|
||||
void* workmem);
|
||||
|
||||
int main()
|
||||
{
|
||||
FILE* f;
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||||
f = fopen("test.in","rb");
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||||
fseek(f,0,SEEK_END);
|
||||
unsigned inlen = ftell(f);
|
||||
fseek(f,0,SEEK_SET);
|
||||
void* in = VirtualAlloc(NULL,inlen,MEM_COMMIT,PAGE_READWRITE);
|
||||
void* out = VirtualAlloc(NULL,inlen,MEM_COMMIT,PAGE_READWRITE);
|
||||
fread(in,1,inlen,f);
|
||||
fclose(f);
|
||||
unsigned logdictsize,dictsize;
|
||||
for (logdictsize=0,dictsize=1;dictsize<inlen && logdictsize<=28;logdictsize++,dictsize<<=1) ;
|
||||
lzma_set_dict_size(logdictsize);
|
||||
void* work = VirtualAlloc(NULL,dictsize*19/2+0x509000,MEM_COMMIT,PAGE_READWRITE);
|
||||
unsigned outlen = lzma_compress(in,out,inlen,work);
|
||||
printf("%d -> %d\n",inlen,outlen);
|
||||
f = fopen("test.out","wb");
|
||||
fwrite(out,1,outlen,f);
|
||||
fclose(f);
|
||||
return 0;
|
||||
}
|
||||
@@ -1,44 +1,33 @@
|
||||
<EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> C <20><><EFBFBD><EFBFBD>, diamond'<27><>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
LZMA-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> LZMA SDK 4.32 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> copyright (c) 1999-2005
|
||||
Igor Pavlov, <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> http://www.7-zip.org/sdk.html,
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><> C++,C# <EFBFBD> Java <EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD> LZMA-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> ANSI-C, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 7z.
|
||||
This directory contains a simplified version of the LZMA packer rewritten in C by me, diamond.
|
||||
The original LZMA SDK 4.32 is copyright (c) 1999-2005
|
||||
Igor Pavlov, can be obtained from the page http://www.7-zip.org/sdk.html,
|
||||
in particular, it contains versions of the source code in C++, C# and Java for packing and
|
||||
unpacking, the LZMA unpacking code in ANSI-C, a description of the 7z format.
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
bt4 match-finder, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD> <20><><EFBFBD>
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>), <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>. (<28><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> LZMA
|
||||
SDK.) <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> VC++, <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> ANSI C <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> VC-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> #pragma intrinsic(memcpy), <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> memcpy <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD> - <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
<EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> C run-time library. (<28><><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> MtApPack, <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
RTL <20> <20> <20><><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD> Windows, <20> <20><><EFBFBD> Kolibri.)
|
||||
This version is not thread-safe (!), supports only bt4 match-finder,
|
||||
some packing parameters are fixed (however, this can be easily modified if necessary),
|
||||
only data compression in RAM is supported. (These restrictions are not in the original LZMA SDK.)
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> LZMA SDK, <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (<28><> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>) GNU LGPL <EFBFBD><EFBFBD><EFBFBD>
|
||||
GNU CPL. (<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> SDK <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>, <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.)
|
||||
This library, like the original LZMA SDK, can be used in other
|
||||
programs under one of the licenses (your choice) GNU LGPL or
|
||||
GNU CPL. (The original SDK also allows the original library to be used without restrictions,
|
||||
provided that the object files are used without modifying the code; this version does not.)
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <20> C++-<2D><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>:
|
||||
extern "C" __stdcall void lzma_set_dict_size(unsigned logdictsize);
|
||||
extern "C" __stdcall unsigned lzma_compress(
|
||||
Two functions are exported: in C++ the declaration looks like this:
|
||||
extern "C" __stdcall void lzma_set_dict_size(unsigned logdictsize);
|
||||
extern "C" __stdcall unsigned lzma_compress(
|
||||
const void* source,
|
||||
void* destination,
|
||||
unsigned length,
|
||||
void* workmem);
|
||||
void* workmem, int is_kerpack)
|
||||
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 2 <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
(<28>.<2E>. dictsize == (1<<logdictsize)). <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> 256Mb,
|
||||
<EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> logdictsize <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 28. <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,
|
||||
<EFBFBD>.<2E>. <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 12345 <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> 16384 <20><><EFBFBD><EFBFBD> <20>
|
||||
<EFBFBD><EFBFBD> 1 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>. source - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, destination - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,
|
||||
length - <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, workmem - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD> 0x509000+dictsize*19/2
|
||||
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>. <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 0x10 + length*9/8 <20><><EFBFBD><EFBFBD>.
|
||||
Before packing, the dictionary size of the first of these functions, taking the base 2 logarithm of this value,
|
||||
(i.e. dictsize == (1<<logdictsize)). The maximum buffer size is 256Mb,
|
||||
so the logdictsize parameter should not exceed 28. If the buffer size is larger than the input data size,
|
||||
the result does not depend on the buffer size, i.e. for data of 12345 bytes,
|
||||
the results of compression with a 16384-byte buffer and with a 1 megabyte buffer are the same.
|
||||
Packing is performed by calling the second of these functions;
|
||||
source is a pointer to the input data, destination is a pointer to the buffer for packed data,
|
||||
length is the length of the input data, workmem is a pointer to temporary memory
|
||||
used by the packer; at least 0x509000+dictsize*19/2 bytes must be allocated.
|
||||
For packed data, 0x10 + length*9/8 bytes is enough in the worst case.
|
||||
|
||||
Reference in New Issue
Block a user