diff options
Diffstat (limited to 'BaseTools/Source/C/LzmaCompress/Sdk/DOC/lzma-history.txt')
| -rw-r--r-- | BaseTools/Source/C/LzmaCompress/Sdk/DOC/lzma-history.txt | 114 |
1 files changed, 68 insertions, 46 deletions
diff --git a/BaseTools/Source/C/LzmaCompress/Sdk/DOC/lzma-history.txt b/BaseTools/Source/C/LzmaCompress/Sdk/DOC/lzma-history.txt index d7426d38a4..0f9560c7a6 100644 --- a/BaseTools/Source/C/LzmaCompress/Sdk/DOC/lzma-history.txt +++ b/BaseTools/Source/C/LzmaCompress/Sdk/DOC/lzma-history.txt @@ -1,13 +1,35 @@ HISTORY of the LZMA SDK
-----------------------
+19.00 2019-02-21
+-------------------------
+- Encryption strength for 7z archives was increased:
+ the size of random initialization vector was increased from 64-bit to 128-bit,
+ and the pseudo-random number generator was improved.
+- The bug in 7zIn.c code was fixed.
+
+
+18.06 2018-12-30
+-------------------------
+- The speed for LZMA/LZMA2 compressing was increased by 3-10%,
+ and there are minor changes in compression ratio.
+- Some bugs were fixed.
+- The bug in 7-Zip 18.02-18.05 was fixed:
+ There was memory leak in multithreading xz decoder - XzDecMt_Decode(),
+ if xz stream contains only one block.
+- The changes for MSVS compiler makefiles:
+ - the makefiles now use "PLATFORM" macroname with values (x64, x86, arm64)
+ instead of "CPU" macroname with values (AMD64, ARM64).
+ - the makefiles by default now use static version of the run-time library.
+
+
18.05 2018-04-30
-------------------------
-- The speed for LZMA/LZMA2 compressing was increased
- by 8% for fastest/fast compression levels and
+- The speed for LZMA/LZMA2 compressing was increased
+ by 8% for fastest/fast compression levels and
by 3% for normal/maximum compression levels.
- Previous versions of 7-Zip could work incorrectly in "Large memory pages" mode in
- Windows 10 because of some BUG with "Large Pages" in Windows 10.
+ Windows 10 because of some BUG with "Large Pages" in Windows 10.
Now 7-Zip doesn't use "Large Pages" on Windows 10 up to revision 1709 (16299).
- The BUG was fixed in Lzma2Enc.c
Lzma2Enc_Encode2() function worked incorretly,
@@ -16,7 +38,7 @@ HISTORY of the LZMA SDK 18.03 beta 2018-03-04
-------------------------
-- Asm\x86\LzmaDecOpt.asm: new optimized LZMA decoder written in asm
+- Asm\x86\LzmaDecOpt.asm: new optimized LZMA decoder written in asm
for x64 with about 30% higher speed than main version of LZMA decoder written in C.
- The speed for single-thread LZMA/LZMA2 decoder written in C was increased by 3%.
- 7-Zip now can use multi-threading for 7z/LZMA2 decoding,
@@ -35,7 +57,7 @@ HISTORY of the LZMA SDK 18.00 beta 2019-01-10
-------------------------
- The BUG in xz encoder was fixed:
- There was memory leak of 16 KB for each file compressed with
+ There was memory leak of 16 KB for each file compressed with
xz compression method, if additional filter was used.
@@ -44,7 +66,7 @@ HISTORY of the LZMA SDK - Minor speed optimization for LZMA2 (xz and 7z) multi-threading compression.
7-Zip now uses additional memory buffers for multi-block LZMA2 compression.
CPU utilization was slightly improved.
-- 7-zip now creates multi-block xz archives by default. Block size can be
+- 7-zip now creates multi-block xz archives by default. Block size can be
specified with -ms[Size]{m|g} switch.
- xz decoder now can unpack random block from multi-block xz archives.
- 7-Zip command line: @listfile now doesn't work after -- switch.
@@ -55,7 +77,7 @@ HISTORY of the LZMA SDK 17.00 beta 2017-04-29
-------------------------
-- NewHandler.h / NewHandler.cpp:
+- NewHandler.h / NewHandler.cpp:
now it redefines operator new() only for old MSVC compilers (_MSC_VER < 1900).
- C/7zTypes.h : the names of variables in interface structures were changed (vt).
- Some bugs were fixed. 7-Zip could crash in some cases.
@@ -76,51 +98,51 @@ HISTORY of the LZMA SDK 16.02 2016-05-21
-------------------------
- The BUG in 16.00 - 16.01 was fixed:
- Split Handler (SplitHandler.cpp) returned incorrect
+ Split Handler (SplitHandler.cpp) returned incorrect
total size value (kpidSize) for split archives.
16.01 2016-05-19
--------------------------
+-------------------------
- Some internal changes to reduce the number of compiler warnings.
16.00 2016-05-10
--------------------------
+-------------------------
- Some bugs were fixed.
15.12 2015-11-19
--------------------------
+-------------------------
- The BUG in C version of 7z decoder was fixed:
7zDec.c : SzDecodeLzma2()
7z decoder could mistakenly report about decoding error for some 7z archives
that use LZMA2 compression method.
- The probability to get that mistaken decoding error report was about
- one error per 16384 solid blocks for solid blocks larger than 16 KB (compressed size).
+ The probability to get that mistaken decoding error report was about
+ one error per 16384 solid blocks for solid blocks larger than 16 KB (compressed size).
- The BUG (in 9.26-15.11) in C version of 7z decoder was fixed:
7zArcIn.c : SzReadHeader2()
- 7z decoder worked incorrectly for 7z archives that contain
- empty solid blocks, that can be placed to 7z archive, if some file is
+ 7z decoder worked incorrectly for 7z archives that contain
+ empty solid blocks, that can be placed to 7z archive, if some file is
unavailable for reading during archive creation.
15.09 beta 2015-10-16
--------------------------
+-------------------------
- The BUG in LZMA / LZMA2 encoding code was fixed.
The BUG in LzFind.c::MatchFinder_ReadBlock() function.
If input data size is larger than (4 GiB - dictionary_size),
the following code worked incorrectly:
- - LZMA : LzmaEnc_MemEncode(), LzmaEncode() : LZMA encoding functions
- for compressing from memory to memory.
+ - LZMA : LzmaEnc_MemEncode(), LzmaEncode() : LZMA encoding functions
+ for compressing from memory to memory.
That BUG is not related to LZMA encoder version that works via streams.
- - LZMA2 : multi-threaded version of LZMA2 encoder worked incorrectly, if
- default value of chunk size (CLzma2EncProps::blockSize) is changed
+ - LZMA2 : multi-threaded version of LZMA2 encoder worked incorrectly, if
+ default value of chunk size (CLzma2EncProps::blockSize) is changed
to value larger than (4 GiB - dictionary_size).
9.38 beta 2015-01-03
--------------------------
+-------------------------
- The BUG in 9.31-9.37 was fixed:
IArchiveGetRawProps interface was disabled for 7z archives.
- The BUG in 9.26-9.36 was fixed:
@@ -128,10 +150,10 @@ HISTORY of the LZMA SDK 9.36 beta 2014-12-26
--------------------------
+-------------------------
- The BUG in command line version was fixed:
7-Zip created temporary archive in current folder during update archive
- operation, if -w{Path} switch was not specified.
+ operation, if -w{Path} switch was not specified.
The fixed 7-Zip creates temporary archive in folder that contains updated archive.
- The BUG in 9.33-9.35 was fixed:
7-Zip silently ignored file reading errors during 7z or gz archive creation,
@@ -140,14 +162,14 @@ HISTORY of the LZMA SDK 9.35 beta 2014-12-07
--------------------------
+-------------------------
- 7zr.exe now support AES encryption.
- SFX modules were added to LZMA SDK
- Some bugs were fixed.
9.21 beta 2011-04-11
--------------------------
+-------------------------
- New class FString for file names at file systems.
- Speed optimization in CRC code for big-endian CPUs.
- The BUG in Lzma2Dec.c was fixed:
@@ -155,7 +177,7 @@ HISTORY of the LZMA SDK 9.18 beta 2010-11-02
--------------------------
+-------------------------
- New small SFX module for installers (SfxSetup).
@@ -168,7 +190,7 @@ HISTORY of the LZMA SDK 9.11 beta 2010-03-15
-------------------------
- PPMd compression method support
-
+
9.09 2009-12-12
-------------------------
@@ -202,7 +224,7 @@ HISTORY of the LZMA SDK 4.61 beta 2008-11-23
-------------------------
- The bug in ANSI-C LZMA Decoder was fixed:
- If encoded stream was corrupted, decoder could access memory
+ 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.
@@ -216,7 +238,7 @@ HISTORY of the LZMA SDK 4.59 beta 2008-08-13
-------------------------
- The bug was fixed:
- LZMA Encoder in fast compression mode could access memory outside of
+ LZMA Encoder in fast compression mode could access memory outside of
allocated range in some rare cases.
@@ -229,7 +251,7 @@ HISTORY of the LZMA SDK 4.57 2007-12-12
-------------------------
-- Speed optimizations in ?++ LZMA Decoder.
+- Speed optimizations in ?++ LZMA Decoder.
- Small changes for more compatibility with some C/C++ compilers.
@@ -239,36 +261,36 @@ HISTORY of the LZMA SDK - 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
+- C++ code for .7z archives compressing/decompressing from 7-zip
was included to LZMA SDK.
-
+
4.43 2006-06-04
-------------------------
- Small changes for more compatibility with some C/C++ compilers.
-
+
4.42 2006-05-15
-------------------------
- Small changes in .h files in ANSI-C version.
-
+
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
+ C++ version of LZMA encoder could not correctly compress
files larger than 2 GB with HC4 match finder (-mfhc4).
-
+
4.37 beta 2005-04-06
-------------------------
-- Fixes in C++ code: code could no be compiled if _NO_EXCEPTIONS was defined.
+- Fixes in C++ code: code could no be compiled if _NO_EXCEPTIONS was defined.
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
+ If encoded stream was corrupted, decoder could access memory
outside of allocated range.
@@ -339,7 +361,7 @@ HISTORY of the LZMA SDK 4.17 2005-04-18
-------------------------
-- New example for RAM->RAM compressing/decompressing:
+- New example for RAM->RAM compressing/decompressing:
LZMA + BCJ (filter for x86 code):
- LzmaRam.h
- LzmaRam.cpp
@@ -350,11 +372,11 @@ HISTORY of the LZMA SDK 4.16 2005-03-29
-------------------------
-- The bug was fixed in LzmaDecode.c (ANSI-C LZMA Decoder):
+- 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.
+ 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
@@ -369,7 +391,7 @@ HISTORY of the LZMA SDK 4.05 2004-08-25
-------------------------
-- Source code of filters for x86, IA-64, ARM, ARM-Thumb
+- Source code of filters for x86, IA-64, ARM, ARM-Thumb
and PowerPC code was included to SDK
- Some internal minor changes
@@ -381,8 +403,8 @@ HISTORY of the LZMA SDK 4.03 2004-06-18
-------------------------
-- "Benchmark" command was added. It measures compressing
- and decompressing speed and shows rating values.
+- "Benchmark" command was added. It measures compressing
+ and decompressing speed and shows rating values.
Also it checks hardware errors.
@@ -411,7 +433,7 @@ HISTORY of the LZMA SDK HISTORY of the LZMA
-------------------
- 2001-2008: Improvements to LZMA compressing/decompressing code,
+ 2001-2008: Improvements to LZMA compressing/decompressing code,
keeping compatibility with original LZMA format
1996-2001: Development of LZMA compression format
@@ -419,6 +441,6 @@ HISTORY of the LZMA 2001-08-30: LZMA compression was added to 7-Zip
1999-01-02: First version of 7-Zip was released
-
+
End of document
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