848fdf3c15Added : lz4cat utility for posx systems OS-X compatible dynamic library, thanks to Jan Stepien corrected : relative symbolic link for versioned library
yann.collet.73@gmail.com
2014-03-23 11:15:37 +0000
a9d8640c1fMakefile : library correctly compiled with -O3 switch (issue 114) Makefile : library compilation compatible with clang Makefile : library is versioned and linked (issue 119) lz4.h : no more static inline prototypes (issue 116) man : improved header/footer (issue 111) Makefile : Use system default $(CC) & $(MAKE) variables (issue 112) xxhash : updated to r34
yann.collet.73@gmail.com
2014-03-12 14:51:59 +0000
69dc85b8abLarge decompression speed improvement for GCC 32-bits. Thanks to Valery Croizier ! LZ4HC : Compression Level is now a programmable parameter (CLI from 4 to 9) Separated IO routines from command line (lz4io.c) Version number into lz4.h (suggested by Francesc Alted)
yann.collet.73@gmail.com
2014-02-04 14:11:10 +0000
648678788cMakefile : added capability to install libraries Modified Directory tree, to better separate libraries from programs.
yann.collet.73@gmail.com
2014-01-07 18:47:50 +0000
fb38ddaacblz4 & lz4hc : added capability to allocate state & stream state with custom allocator (issue 99) fuzzer & fullbench : updated to test new functions man : documented -l command (Legacy format, for Linux kernel compression) (issue 102) cmake : improved version by Mika Attila, building programs and libraries (issue 100) xxHash : updated to r33 Makefile : clean also delete local package .tar.gz
yann.collet.73@gmail.com
2013-12-30 17:16:52 +0000
8ac549f10alz4.c : corrected issue 98 within LZ4_compress_limitedOutput() Makefile : can specify version number
yann.collet.73@gmail.com
2013-12-03 15:50:46 +0000
7a863abfc2lz4.c : corrected compression efficiency issue 97 in 64-bits chained mode (-BD) for streams > 4 GB (thanks Roman Strashkin for reporting)
yann.collet.73@gmail.com
2013-11-02 12:11:04 +0000
a78db582d3Makefile : support DESTDIR for staged installs. Thanks Jorge Aparicio. Makefile : make install installs both lz4 and lz4c (Jorge Aparicio) Makefile : removed -Wno-implicit-declaration compilation switch lz4cli.c : include <stduni.h> for isatty() (Luca Barbato) lz4.h : introduced LZ4_MAX_INPUT_SIZE constant (Shay Green) lz4.h : LZ4_compressBound() : unified macro and inline definitions (Shay Green) lz4.h : LZ4_decompressSafe_partial() : clarify comments (Shay Green) lz4.c : LZ4_compress() verify input size condition (Shay Green) bench.c : corrected a bug in free memory size evaluation cmake : install into bin/ directory (Richard Yao) cmake : check for just C compiler (Elan Ruusamae)
yann.collet.73@gmail.com
2013-10-21 08:03:40 +0000
c63f81c105Makefile : New install script and man page, contributed by Prasad Pandit lz4cli.c : Minor modifications, for easier extensibility COPYING : added license file LZ4_Streaming_Format.odt : modified file name to remove white space characters exe : .exe suffix now properly added only for Windows target
yann.collet.73@gmail.com
2013-09-25 09:00:37 +0000
3e65c1e0c6New command line utility, lz4 (notice the missing final 'c'), with gzip-style arguments (issue 83) lz4c still there, supports additional gzip arguments, but also keep compatibility with legacy commands lz4 (& lz4c) display version number Fix : Sun Studio : compatible #pragma directive (issue 81) Fix : compatible with Objective-C (iOS) (issue 79) Fix : minor warnings using Visual Studio x64 (issue 80) Changed : source file lz4c.c renamed lz4cli.c
yann.collet.73@gmail.com
2013-09-09 09:06:21 +0000
02c5579ff0LZ4 compression supports block dependency (argument -BD within lz4c command line) fullbench : added bench of LZ4_compress_continue(), LZ4_compress_limitedOutput_continue(), LZ4_compressHC_continue() and LZ4_compressHC_limitedOutput_continue()
yann.collet.73@gmail.com
2013-08-16 10:46:08 +0000
27efcd4d45Removed dependency to "lz4_encoder.h" and "lz4hc_encoder.h" Improved speed of LZ4_decompress_fast() with GCC Improved speed of LZ4_decompress_safe() for 32-bits Made the fast LZ4 compression compatible with low-memory systems (buffer address < 64K). Thanks Francois Gretief for report and suggestion. Makefile : added fuzzer32 Makefile : added fullbench32 fullbench : added ability to select one specific function to benchmark lz4.c : copy macros follow memcpy() arguments convention Small coding style modifications, hinted by cppCheck.
yann.collet.73@gmail.com
2013-08-12 08:35:52 +0000
dd06f54386Bugfix release Corrected a bug into the compact XXH32() function, which affects Block Checksum results. Update is recommended if you use Block Checksum with lz4c. (Note : block checksum is disabled by default). Thanks Adrien Grand for detailed bug tracking and fixing. Corrected a bug affected Heapmode version of LZ4_compress() (Note : heapmode is disabled by default)
yann.collet.73@gmail.com
2013-08-07 17:14:03 +0000
13e966d968lz4c : made display and arguments more compatible with gzip, for easier integration with tar (patch by Yaakov Selkowitz) Correction : large files support on 32-bits unix (reported by Karthik Rajeswaran) lz4c : reduce the amount of displayed information in default mode; introduce a verbose mode lz4c : changed help message Updated xxHash to r31 Made bench.c compatible with tcc Corrected : a few minor warnings found by CppCheck, as suggested by Brian White lz4.c : Pushed BIG_ENDIAN_NATIVE_BUT_INCOMPATIBLE farther in the code, since it is reported as providing little benefit Corrected : minor 64K input condition, detected by Mat Hostetter
yann.collet.73@gmail.com
2013-07-27 11:19:31 +0000
002a93473dCorrected issue 70, 'pack' instruction on IBM AIX Added : fullbench : can select compression tests or decompression tests Removed extern inline, for compatibility with GNU89, as reported by Maciej Adamczyk lz4.c : made forceinline more explicit Decompression : corrected corner case behaviors (inputSize == 0 and outputSize == 0), thanks Adrien for detailed suggestions Makefile : Removed -march=native parameter, due to incompatibility with some GCC versions
yann.collet.73@gmail.com
2013-07-01 07:50:40 +0000
16c0942822lz4.c no longer depends on lz4_decoder.h (removed) Decompression speed improved under GCC Improved speed of LZ4_decompress_safe_partial() Added new utility : fullbench Modified x64 detection macro, as suggested by David Karner Improved Fuzzer tool Updated xxHash to r30
yann.collet.73@gmail.com
2013-06-10 17:29:13 +0000
cd3bcd0043New experimental mode : compress blocks using data from previous blocks (option -BD) (limitation : -hc mode only) Changed deprecated function names to "static", in order to avoid duplicate definition. Thanks Maciej Adamczyk for reporting. Changed a few command line options Prettify help text
yann.collet.73@gmail.com
2013-05-27 13:37:48 +0000
e185b252f0lz4c : automatic output name when decoding a *.lz4 file, as requested by Peter Humphreys Cleaner C99 detection, thanks to Elad Modified Basic Types, as recommended by Wayne Scott Simplified compression function Corrected : warning on missing #undef in lz4hc, thanks Arseny Kapoulkine Modified length loops as suggested by Wouter Vermaelen Modified pragma pack directive for older versions of GCC, as reported by Peter Costello Updated xxHash to r29 Indent lz4hc.c with spaces
yann.collet.73@gmail.com
2013-05-17 18:41:32 +0000
40ae7043df- New naming : LZ4_decompress_safe() and LZ4_decompress_fast() - New function : LZ4_decompress_safe_partial(), to decompress just enough data within a compressed block, saving CPU cycles - New source files : lz4_decoder.h, lz4_encoder.h, lz4hc_encoder.h - Improved speed of LZ4_decompress_fast() - Improved speed for compression of small blocks < 64KB - Improved speed for HC compression
yann.collet.73@gmail.com
2013-04-26 14:37:46 +0000
a2e93db805Added : function LZ4_compressHC_limitedOutput() Updated : LZ4 Streaming Format.odt, to version 1.4 New : LZ4c now supports Stream Checksum (default) and Skippable chunks Updated : Fuzzer, testing LZ4_compressHC_limitedOutput()
yann.collet.73@gmail.com
2013-04-18 08:53:13 +0000
cbfd031d30Added : LZ4 Streaming Format specification (v1.3) Added : LZ4c command-line utility, supporting the new streaming format Added : xxhash library Removed : lz4demo is now replaced by lz4.c Removed : a few level 4 warnings (issue 64) Updated : makefiles
yann.collet.73@gmail.com
2013-04-13 09:31:22 +0000
633c51904e- New cmake file, by Nobuhiro Iwamatsu, which can also produce shared and static libraries. - Improved decoding speed, even more for 64-bits, and "safe" version - Slight speed increase for LZ4-HC - Pushed a useless parameter down the list in lz4.c
yann.collet.73@gmail.com
2013-03-02 23:34:21 +0000
e898c9a79aCorrected issue 59 in lz4hc.c, reported by Masafumi Kiribayashi Corrected issue 60 in lz4.h, reported by Takayuki Matsuoka Added : a cmake/pack installer, by Dmitry Cherepanov
yann.collet.73@gmail.com
2013-02-19 20:52:50 +0000
c1d7e4f675LZ4HC : compression speed improved under Visual Bench mode : option to pause at the end
yann.collet.73@gmail.com
2013-01-08 07:23:07 +0000
77417fc4c2LZ4_HC is now compatible with CPU requiring aligned memory accesses
yann.collet.73@gmail.com
2012-12-22 17:56:05 +0000
024f83c1e5Improved decoding speed, thanks to several contributions from Ludvig Strigeus (issues 49, 50 & 54) Removed unnecessary assignment within LZ4_uncompress_unknownSize() (reported by Shivram)
yann.collet.73@gmail.com
2012-12-11 01:38:32 +0000
ffb27d4ecaLZ4 HC : extended detection window. Thanks to Adrien Grand. Fuzzer : more tests cases lz4demo : detect write errors. Thanks to Dima Tisnek bench.c : compatibility with Solaris 64. Thanks to Thorbjørn Willoch LZ4_compressBound() : now both in inline function and macro format. Thanks to Jacob Gorm Hansen
yann.collet.73@gmail.com
2012-11-30 13:23:36 +0000
43a03b41b2Corrected a bug into LZ4_uncompress_unknownOutputSize() introduced in r82
yann.collet.73@gmail.com
2012-11-05 16:55:52 +0000
5cc3efc2a5Corrected issue 38 : bench.c compilation for Sun Solaris 32 bits Corrected issue 40 : Detect early ending of compressed stream. Thanks Adrian Grand. Corrected issue 41 : minor comment editing on lz4.h
yann.collet.73@gmail.com
2012-11-03 21:04:19 +0000
206f5f48cfCorrected issue 39 : bench.c for NetBSD. Thanks to Thomas Klausner.
yann.collet.73@gmail.com
2012-10-27 18:26:58 +0000
b1e707f772- Corrected issue 31 : LZ4 correctly accepts compressing data when the output buffer has exactly the required size (it was a bit over-cautious in previous version). - Added : a fuzzer tool Thanks to Andrew Mahone, for contribution on both points
yann.collet.73@gmail.com
2012-10-24 12:59:19 +0000
66be4025dfCorrect issue 36 on LZ4_uncompress_unknownOutputSize(). Thanks to Clayton Stangeland and Maciej Adamczyk for notifying. Converted tabs to space
yann.collet.73@gmail.com
2012-10-16 21:50:15 +0000
9577c977a9Correction : LZ4_compress_limitedOutput() write too far error
yann.collet.73@gmail.com
2012-08-22 15:59:39 +0000
f4e48fe61dchanged some macro names in lz4hc to avoid duplicate definition on NetBSD
yann.collet.73@gmail.com
2012-08-14 16:27:47 +0000
4e11dc62baLZ4.c : changed inline to "static inline" to comply with limitations from GCC/LLVM combination under OS-X.
yann.collet.73@gmail.com
2012-08-08 13:02:45 +0000
19a078b132Improved speed under Visual
yann.collet.73@gmail.com
2012-08-03 14:33:12 +0000
89921dd39eFixed : small compression speed hit on GCC v4.5 introduced by r71
yann.collet.73@gmail.com
2012-08-01 23:51:55 +0000
84004b9015Added : function LZ4_compress_limitedOutput() Removed : functions with explicit *ctx management (LZ4_compressCtx & LZ4_compress64kCtx). Functions are still present in the .c Changed : LZ4_compressBound() now a macro
yann.collet.73@gmail.com
2012-07-28 13:32:30 +0000
cfbace25d7lz4.c : changed a tuning parameter name to MEMORY_USAGE, to better reflect its impact Makefile : default produces native binary, all produce native & 32-bits binaries
yann.collet.73@gmail.com
2012-07-24 17:12:23 +0000
d9ef5117f6Changed Makefile default setting to generate only native binary. The 32-bits version can still be generated (on 64-bits systems) using : make lz4demo32
yann.collet.73@gmail.com
2012-07-18 19:46:57 +0000
Yann Collet