HISTORY of the LZMA SDK
-----------------------
- 4.57 2007-12-12
- -------------------------
- - Speed optimizations in Ñ++ LZMA Decoder.
- - Small changes for more compatibility with some C/C++ compilers.
+4.65 2009-02-03
+-------------------------
+- Some minor fixes
- 4.49 beta 2007-07-05
- -------------------------
- - .7z ANSI-C Decoder:
- - now it supports BCJ and BCJ2 filters
- - now it supports files larger than 4 GB.
- - now it supports "Last Write Time" field for files.
- - C++ code for .7z archives compressing/decompressing from 7-zip
- was included to LZMA SDK.
+4.63 2008-12-31
+-------------------------
+- Some minor fixes
- 4.43 2006-06-04
- -------------------------
- - Small changes for more compatibility with some C/C++ compilers.
+4.61 beta 2008-11-23
+-------------------------
+- The bug in ANSI-C LZMA Decoder was fixed:
+ If encoded stream was corrupted, decoder could access memory
+ outside of allocated range.
+- Some changes in ANSI-C 7z Decoder interfaces.
+- LZMA SDK is placed in the public domain.
- 4.42 2006-05-15
- -------------------------
- - Small changes in .h files in ANSI-C version.
+4.60 beta 2008-08-19
+-------------------------
+- Some minor fixes.
- 4.39 beta 2006-04-14
- -------------------------
- - Bug in versions 4.33b:4.38b was fixed:
- C++ version of LZMA encoder could not correctly compress
- files larger than 2 GB with HC4 match finder (-mfhc4).
+4.59 beta 2008-08-13
+-------------------------
+- The bug was fixed:
+ LZMA Encoder in fast compression mode could access memory outside of
+ allocated range in some rare cases.
- 4.37 beta 2005-04-06
- -------------------------
- - Fixes in C++ code: code could no be compiled if _NO_EXCEPTIONS was defined.
+4.58 beta 2008-05-05
+-------------------------
+- ANSI-C LZMA Decoder was rewritten for speed optimizations.
+- ANSI-C LZMA Encoder was included to LZMA SDK.
+- C++ LZMA code now is just wrapper over ANSI-C code.
- 4.35 beta 2005-03-02
- -------------------------
- - Bug was fixed in C++ version of LZMA Decoder:
- If encoded stream was corrupted, decoder could access memory
- outside of allocated range.
+4.57 2007-12-12
+-------------------------
+- Speed optimizations in Ñ++ LZMA Decoder.
+- Small changes for more compatibility with some C/C++ compilers.
- 4.34 beta 2006-02-27
- -------------------------
- - Compressing speed and memory requirements for compressing were increased
- - LZMA now can use only these match finders: HC4, BT2, BT3, BT4
+4.49 beta 2007-07-05
+-------------------------
+- .7z ANSI-C Decoder:
+ - now it supports BCJ and BCJ2 filters
+ - now it supports files larger than 4 GB.
+ - now it supports "Last Write Time" field for files.
+- C++ code for .7z archives compressing/decompressing from 7-zip
+ was included to LZMA SDK.
- 4.32 2005-12-09
- -------------------------
- - Java version of LZMA SDK was included
+4.43 2006-06-04
+-------------------------
+- Small changes for more compatibility with some C/C++ compilers.
- 4.30 2005-11-20
- -------------------------
- - Compression ratio was improved in -a2 mode
- - Speed optimizations for compressing in -a2 mode
- - -fb switch now supports values up to 273
- - Bug in 7z_C (7zIn.c) was fixed:
- It used Alloc/Free functions from different memory pools.
- So if program used two memory pools, it worked incorrectly.
- - 7z_C: .7z format supporting was improved
- - LZMA# SDK (C#.NET version) was included
+4.42 2006-05-15
+-------------------------
+- Small changes in .h files in ANSI-C version.
- 4.27 (Updated) 2005-09-21
- -------------------------
- - Some GUIDs/interfaces in C++ were changed.
- IStream.h:
- ISequentialInStream::Read now works as old ReadPart
- ISequentialOutStream::Write now works as old WritePart
+4.39 beta 2006-04-14
+-------------------------
+- The bug in versions 4.33b:4.38b was fixed:
+ C++ version of LZMA encoder could not correctly compress
+ files larger than 2 GB with HC4 match finder (-mfhc4).
- 4.27 2005-08-07
- -------------------------
- - Bug in LzmaDecodeSize.c was fixed:
- if _LZMA_IN_CB and _LZMA_OUT_READ were defined,
- decompressing worked incorrectly.
+4.37 beta 2005-04-06
+-------------------------
+- Fixes in C++ code: code could no be compiled if _NO_EXCEPTIONS was defined.
- 4.26 2005-08-05
- -------------------------
- - Fixes in 7z_C code and LzmaTest.c:
- previous versions could work incorrectly,
- if malloc(0) returns 0
+4.35 beta 2005-03-02
+-------------------------
+- The bug was fixed in C++ version of LZMA Decoder:
+ If encoded stream was corrupted, decoder could access memory
+ outside of allocated range.
- 4.23 2005-06-29
- -------------------------
- - Small fixes in C++ code
+4.34 beta 2006-02-27
+-------------------------
+- Compressing speed and memory requirements for compressing were increased
+- LZMA now can use only these match finders: HC4, BT2, BT3, BT4
- 4.22 2005-06-10
- -------------------------
- - Small fixes
+4.32 2005-12-09
+-------------------------
+- Java version of LZMA SDK was included
- 4.21 2005-06-08
- -------------------------
- - Interfaces for ANSI-C LZMA Decoder (LzmaDecode.c) were changed
- - New additional version of ANSI-C LZMA Decoder with zlib-like interface:
- - LzmaStateDecode.h
- - LzmaStateDecode.c
- - LzmaStateTest.c
- - ANSI-C LZMA Decoder now can decompress files larger than 4 GB
+4.30 2005-11-20
+-------------------------
+- Compression ratio was improved in -a2 mode
+- Speed optimizations for compressing in -a2 mode
+- -fb switch now supports values up to 273
+- The bug in 7z_C (7zIn.c) was fixed:
+ It used Alloc/Free functions from different memory pools.
+ So if program used two memory pools, it worked incorrectly.
+- 7z_C: .7z format supporting was improved
+- LZMA# SDK (C#.NET version) was included
- 4.17 2005-04-18
- -------------------------
- - New example for RAM->RAM compressing/decompressing:
- LZMA + BCJ (filter for x86 code):
- - LzmaRam.h
- - LzmaRam.cpp
- - LzmaRamDecode.h
- - LzmaRamDecode.c
- - -f86 switch for lzma.exe
+4.27 (Updated) 2005-09-21
+-------------------------
+- Some GUIDs/interfaces in C++ were changed.
+ IStream.h:
+ ISequentialInStream::Read now works as old ReadPart
+ ISequentialOutStream::Write now works as old WritePart
- 4.16 2005-03-29
- -------------------------
- - Bug was fixed in LzmaDecode.c (ANSI-C LZMA Decoder):
- If _LZMA_OUT_READ was defined, and if encoded stream was corrupted,
- decoder could access memory outside of allocated range.
- - Speed optimization of ANSI-C LZMA Decoder (now it's about 20% faster).
- Old version of LZMA Decoder now is in file LzmaDecodeSize.c.
- LzmaDecodeSize.c can provide slightly smaller code than LzmaDecode.c
- - Small speed optimization in LZMA C++ code
- - filter for SPARC's code was added
- - Simplified version of .7z ANSI-C Decoder was included
+4.27 2005-08-07
+-------------------------
+- The bug in LzmaDecodeSize.c was fixed:
+ if _LZMA_IN_CB and _LZMA_OUT_READ were defined,
+ decompressing worked incorrectly.
- 4.06 2004-09-05
- -------------------------
- - Bug in v4.05 was fixed:
- LZMA-Encoder didn't release output stream in some cases.
+4.26 2005-08-05
+-------------------------
+- Fixes in 7z_C code and LzmaTest.c:
+ previous versions could work incorrectly,
+ if malloc(0) returns 0
- 4.05 2004-08-25
- -------------------------
- - Source code of filters for x86, IA-64, ARM, ARM-Thumb
- and PowerPC code was included to SDK
- - Some internal minor changes
+4.23 2005-06-29
+-------------------------
+- Small fixes in C++ code
- 4.04 2004-07-28
- -------------------------
- - More compatibility with some C++ compilers
+4.22 2005-06-10
+-------------------------
+- Small fixes
- 4.03 2004-06-18
- -------------------------
- - "Benchmark" command was added. It measures compressing
- and decompressing speed and shows rating values.
- Also it checks hardware errors.
+4.21 2005-06-08
+-------------------------
+- Interfaces for ANSI-C LZMA Decoder (LzmaDecode.c) were changed
+- New additional version of ANSI-C LZMA Decoder with zlib-like interface:
+ - LzmaStateDecode.h
+ - LzmaStateDecode.c
+ - LzmaStateTest.c
+- ANSI-C LZMA Decoder now can decompress files larger than 4 GB
- 4.02 2004-06-10
- -------------------------
- - C++ LZMA Encoder/Decoder code now is more portable
- and it can be compiled by GCC on Linux.
+4.17 2005-04-18
+-------------------------
+- New example for RAM->RAM compressing/decompressing:
+ LZMA + BCJ (filter for x86 code):
+ - LzmaRam.h
+ - LzmaRam.cpp
+ - LzmaRamDecode.h
+ - LzmaRamDecode.c
+ - -f86 switch for lzma.exe
- 4.01 2004-02-15
- -------------------------
- - Some detection of data corruption was enabled.
- LzmaDecode.c / RangeDecoderReadByte
- .....
- {
- rd->ExtraBytes = 1;
- return 0xFF;
- }
+4.16 2005-03-29
+-------------------------
+- The bug was fixed in LzmaDecode.c (ANSI-C LZMA Decoder):
+ If _LZMA_OUT_READ was defined, and if encoded stream was corrupted,
+ decoder could access memory outside of allocated range.
+- Speed optimization of ANSI-C LZMA Decoder (now it's about 20% faster).
+ Old version of LZMA Decoder now is in file LzmaDecodeSize.c.
+ LzmaDecodeSize.c can provide slightly smaller code than LzmaDecode.c
+- Small speed optimization in LZMA C++ code
+- filter for SPARC's code was added
+- Simplified version of .7z ANSI-C Decoder was included
- 4.00 2004-02-13
- -------------------------
- - Original version of LZMA SDK
+4.06 2004-09-05
+-------------------------
+- The bug in v4.05 was fixed:
+ LZMA-Encoder didn't release output stream in some cases.
+
+
+4.05 2004-08-25
+-------------------------
+- Source code of filters for x86, IA-64, ARM, ARM-Thumb
+ and PowerPC code was included to SDK
+- Some internal minor changes
+
+
+4.04 2004-07-28
+-------------------------
+- More compatibility with some C++ compilers
+
+
+4.03 2004-06-18
+-------------------------
+- "Benchmark" command was added. It measures compressing
+ and decompressing speed and shows rating values.
+ Also it checks hardware errors.
+
+
+4.02 2004-06-10
+-------------------------
+- C++ LZMA Encoder/Decoder code now is more portable
+ and it can be compiled by GCC on Linux.
+
+
+4.01 2004-02-15
+-------------------------
+- Some detection of data corruption was enabled.
+ LzmaDecode.c / RangeDecoderReadByte
+ .....
+ {
+ rd->ExtraBytes = 1;
+ return 0xFF;
+ }
+
+
+4.00 2004-02-13
+-------------------------
+- Original version of LZMA SDK
HISTORY of the LZMA
-------------------
- 2001-2007: Improvements to LZMA compressing/decompressing code,
- keeping compatibility with original LZMA format
+ 2001-2008: Improvements to LZMA compressing/decompressing code,
+ keeping compatibility with original LZMA format
1996-2001: Development of LZMA compression format
Some milestones:
projects / platform / kernel / u-boot.git / blobdiff