320 lines
16 KiB
Text
320 lines
16 KiB
Text
v1.9.3
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perf: highly improved speed in kernel space, by @terrelln
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perf: faster speed with Visual Studio, thanks to @wolfpld and @remittor
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perf: improved dictionary compression speed, by @felixhandte
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perf: fixed LZ4_compress_HC_destSize() ratio, detected by @hsiangkao
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perf: reduced stack usage in high compression mode, by @Yanpas
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api : LZ4_decompress_safe_partial() supports unknown compressed size, requested by @jfkthame
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api : improved LZ4F_compressBound() with automatic flushing, by Christopher Harvie
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api : can (de)compress to/from NULL without UBs
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api : fix alignment test on 32-bit systems (state initialization)
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api : fix LZ4_saveDictHC() in corner case scenario, detected by @IgorKorkin
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cli : `-l` legacy format is now compatible with `-m` multiple files, by Filipe Calasans
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cli : benchmark mode supports dictionary, by @rkoradi
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cli : fix --fast with large argument, detected by @picoHz
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build: link to user-defined memory functions with LZ4_USER_MEMORY_FUNCTIONS, suggested by Yuriy Levchenko
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build: contrib/cmake_unofficial/ moved to build/cmake/
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build: visual/* moved to build/
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build: updated meson script, by @neheb
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build: tinycc support, by Anton Kochkov
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install: Haiku support, by Jerome Duval
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doc : updated LZ4 frame format, clarify EndMark
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v1.9.2
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fix : out-of-bound read in exceptional circumstances when using decompress_partial(), by @terrelln
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fix : slim opportunity for out-of-bound write with compress_fast() with a large enough input and when providing an output smaller than recommended (< LZ4_compressBound(inputSize)), by @terrelln
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fix : rare data corruption bug with LZ4_compress_destSize(), by @terrelln
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fix : data corruption bug when Streaming with an Attached Dict in HC Mode, by @felixhandte
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perf: enable LZ4_FAST_DEC_LOOP on aarch64/GCC by default, by @prekageo
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perf: improved lz4frame streaming API speed, by @dreambottle
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perf: speed up lz4hc on slow patterns when using external dictionary, by @terrelln
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api: better in-place decompression and compression support
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cli : --list supports multi-frames files, by @gstedman
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cli: --version outputs to stdout
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cli : add option --best as an alias of -12 , by @Low-power
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misc: Integration into oss-fuzz by @cmeister2, expanded list of scenarios by @terrelln
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v1.9.1
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fix : decompression functions were reading a few bytes beyond input size (introduced in v1.9.0, reported by @ppodolsky and @danlark1)
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api : fix : lz4frame initializers compatibility with c++, reported by @degski
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cli : added command --list, based on a patch by @gabrielstedman
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build: improved Windows build, by @JPeterMugaas
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build: AIX, by Norman Green
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v1.9.0
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perf: large decompression speed improvement on x86/x64 (up to +20%) by @djwatson
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api : changed : _destSize() compression variants are promoted to stable API
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api : new : LZ4_initStream(HC), replacing LZ4_resetStream(HC)
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api : changed : LZ4_resetStream(HC) as recommended reset function, for better performance on small data
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cli : support custom block sizes, by @blezsan
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build: source code can be amalgamated, by Bing Xu
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build: added meson build, by @lzutao
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build: new build macros : LZ4_DISTANCE_MAX, LZ4_FAST_DEC_LOOP
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install: MidnightBSD, by @laffer1
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install: msys2 on Windows 10, by @vtorri
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v1.8.3
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perf: minor decompression speed improvement (~+2%) with gcc
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fix : corruption in v1.8.2 at level 9 for files > 64KB under rare conditions (#560)
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cli : new command --fast, by @jennifermliu
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cli : fixed elapsed time, and added cpu load indicator (on -vv) (#555)
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api : LZ4_decompress_safe_partial() now decodes exactly the nb of bytes requested (feature request #566)
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build : added Haiku target, by @fbrosson, and MidnightBSD, by @laffer1
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doc : updated documentation regarding dictionary compression
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v1.8.2
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perf: *much* faster dictionary compression on small files, by @felixhandte
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perf: improved decompression speed and binary size, by Alexey Tourbin (@svpv)
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perf: slightly faster HC compression and decompression speed
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perf: very small compression ratio improvement
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fix : compression compatible with low memory addresses (< 0xFFFF)
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fix : decompression segfault when provided with NULL input, by @terrelln
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cli : new command --favor-decSpeed
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cli : benchmark mode more accurate for small inputs
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fullbench : can bench _destSize() variants, by @felixhandte
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doc : clarified block format parsing restrictions, by Alexey Tourbin (@svpv)
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v1.8.1
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perf : faster and stronger ultra modes (levels 10+)
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perf : slightly faster compression and decompression speed
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perf : fix bad degenerative case, reported by @c-morgenstern
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fix : decompression failed when using a combination of extDict + low memory address (#397), reported and fixed by Julian Scheid (@jscheid)
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cli : support for dictionary compression (`-D`), by Felix Handte @felixhandte
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cli : fix : `lz4 -d --rm` preserves timestamp (#441)
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cli : fix : do not modify /dev/null permission as root, by @aliceatlas
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api : `_destSize()` variant supported for all compression levels
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build : `make` and `make test` compatible with `-jX`, reported by @mwgamera
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build : can control LZ4LIB_VISIBILITY macro, by @mikir
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install: fix man page directory (#387), reported by Stuart Cardall (@itoffshore)
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v1.8.0
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cli : fix : do not modify /dev/null permissions, reported by @Maokaman1
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cli : added GNU separator -- specifying that all following arguments are files
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API : added LZ4_compress_HC_destSize(), by Oleg (@remittor)
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API : added LZ4F_resetDecompressionContext()
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API : lz4frame : negative compression levels trigger fast acceleration, request by Lawrence Chan
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API : lz4frame : can control block checksum and dictionary ID
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API : fix : expose obsolete decoding functions, reported by Chen Yufei
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API : experimental : lz4frame_static : new dictionary compression API
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build : fix : static lib installation, by Ido Rosen
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build : dragonFlyBSD, OpenBSD, NetBSD supported
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build : LZ4_MEMORY_USAGE can be modified at compile time, through external define
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doc : Updated LZ4 Frame format to v1.6.0, restoring Dictionary-ID field
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doc : lz4 api manual, by Przemyslaw Skibinski
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v1.7.5
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lz4hc : new high compression mode : levels 10-12 compress more and slower, by Przemyslaw Skibinski
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lz4cat : fix : works with relative path (#284) and stdin (#285) (reported by @beiDei8z)
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cli : fix minor notification when using -r recursive mode
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API : lz4frame : LZ4F_frameBound(0) gives upper bound of *flush() and *End() operations (#290, #280)
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doc : markdown version of man page, by Takayuki Matsuoka (#279)
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build : Makefile : fix make -jX lib+exe concurrency (#277)
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build : cmake : improvements by Michał Górny (#296)
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v1.7.4.2
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fix : Makefile : release build compatible with PIE and customized compilation directives provided through environment variables (#274, reported by Antoine Martin)
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v1.7.4
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Improved : much better speed in -mx32 mode
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cli : fix : Large file support in 32-bits mode on Mac OS-X
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fix : compilation on gcc 4.4 (#272), reported by Antoine Martin
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v1.7.3
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Changed : moved to versioning; package, cli and library have same version number
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Improved: Small decompression speed boost
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Improved: Small compression speed improvement on 64-bits systems
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Improved: Small compression ratio and speed improvement on small files
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Improved: Significant speed boost on ARMv6 and ARMv7
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Fix : better ratio on 64-bits big-endian targets
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Improved cmake build script, by Evan Nemerson
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New liblz4-dll project, by Przemyslaw Skibinki
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Makefile: Generates object files (*.o) for faster (re)compilation on low power systems
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cli : new : --rm and --help commands
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cli : new : preserved file attributes, by Przemyslaw Skibinki
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cli : fix : crash on some invalid inputs
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cli : fix : -t correctly validates lz4-compressed files, by Nick Terrell
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cli : fix : detects and reports fread() errors, thanks to Hiroshi Fujishima report #243
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cli : bench : new : -r recursive mode
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lz4cat : can cat multiple files in a single command line (#184)
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Added : doc/lz4_manual.html, by Przemyslaw Skibinski
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Added : dictionary compression and frame decompression examples, by Nick Terrell
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Added : Debianization, by Evgeniy Polyakov
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r131
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New : Dos/DJGPP target, thanks to Louis Santillan (#114)
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Added : Example using lz4frame library, by Zbigniew Jędrzejewski-Szmek (#118)
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Changed: xxhash symbols are modified (namespace emulation) within liblz4
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r130:
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Fixed : incompatibility sparse mode vs console, reported by Yongwoon Cho (#105)
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Fixed : LZ4IO exits too early when frame crc not present, reported by Yongwoon Cho (#106)
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Fixed : incompatibility sparse mode vs append mode, reported by Takayuki Matsuoka (#110)
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Performance fix : big compression speed boost for clang (+30%)
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New : cross-version test, by Takayuki Matsuoka
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r129:
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Added : LZ4_compress_fast(), LZ4_compress_fast_continue()
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Added : LZ4_compress_destSize()
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Changed: New lz4 and lz4hc compression API. Previous function prototypes still supported.
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Changed: Sparse file support enabled by default
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New : LZ4 CLI improved performance compressing/decompressing multiple files (#86, kind contribution from Kyle J. Harper & Takayuki Matsuoka)
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Fixed : GCC 4.9+ optimization bug - Reported by Markus Trippelsdorf, Greg Slazinski & Evan Nemerson
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Changed: Enums converted to LZ4F_ namespace convention - by Takayuki Matsuoka
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Added : AppVeyor CI environment, for Visual tests - Suggested by Takayuki Matsuoka
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Modified:Obsolete functions generate warnings - Suggested by Evan Nemerson, contributed by Takayuki Matsuoka
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Fixed : Bug #75 (unfinished stream), reported by Yongwoon Cho
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Updated: Documentation converted to MarkDown format
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r128:
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New : lz4cli sparse file support (Requested by Neil Wilson, and contributed by Takayuki Matsuoka)
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New : command -m, to compress multiple files in a single command (suggested by Kyle J. Harper)
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Fixed : Restored lz4hc compression ratio (slightly lower since r124)
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New : lz4 cli supports long commands (suggested by Takayuki Matsuoka)
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New : lz4frame & lz4cli frame content size support
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New : lz4frame supports skippable frames, as requested by Sergey Cherepanov
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Changed: Default "make install" directory is /usr/local, as notified by Ron Johnson
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New : lz4 cli supports "pass-through" mode, requested by Neil Wilson
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New : datagen can generate sparse files
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New : scan-build tests, thanks to kind help by Takayuki Matsuoka
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New : g++ compatibility tests
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New : arm cross-compilation test, thanks to kind help by Takayuki Matsuoka
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Fixed : Fuzzer + frametest compatibility with NetBSD (issue #48, reported by Thomas Klausner)
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Added : Visual project directory
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Updated: Man page & Specification
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r127:
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N/A : added a file on SVN
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r126:
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New : lz4frame API is now integrated into liblz4
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Fixed : GCC 4.9 bug on highest performance settings, reported by Greg Slazinski
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Fixed : bug within LZ4 HC streaming mode, reported by James Boyle
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Fixed : older compiler don't like nameless unions, reported by Cheyi Lin
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Changed : lz4 is C90 compatible
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Changed : added -pedantic option, fixed a few mminor warnings
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r125:
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Changed : endian and alignment code
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Changed : directory structure : new "lib" directory
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Updated : lz4io, now uses lz4frame
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Improved: slightly improved decoding speed
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Fixed : LZ4_compress_limitedOutput(); Special thanks to Christopher Speller !
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Fixed : some alignment warnings under clang
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Fixed : deprecated function LZ4_slideInputBufferHC()
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r124:
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New : LZ4 HC streaming mode
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Fixed : LZ4F_compressBound() using null preferencesPtr
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Updated : xxHash to r38
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Updated library number, to 1.4.0
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r123:
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Added : experimental lz4frame API, thanks to Takayuki Matsuoka and Christopher Jackson for testings
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Fix : s390x support, thanks to Nobuhiro Iwamatsu
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Fix : test mode (-t) no longer requires confirmation, thanks to Thary Nguyen
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r122:
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Fix : AIX & AIX64 support (SamG)
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Fix : mips 64-bits support (lew van)
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Added : Examples directory, using code examples from Takayuki Matsuoka
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Updated : Framing specification, to v1.4.1
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Updated : xxHash, to r36
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r121:
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Added : Makefile : install for kFreeBSD and Hurd (Nobuhiro Iwamatsu)
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Fix : Makefile : install for OS-X and BSD, thanks to Takayuki Matsuoka
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r120:
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Modified : Streaming API, using strong types
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Added : LZ4_versionNumber(), thanks to Takayuki Matsuoka
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Fix : OS-X : library install name, thanks to Clemens Lang
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Updated : Makefile : synchronize library version number with lz4.h, thanks to Takayuki Matsuoka
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Updated : Makefile : stricter compilation flags
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Added : pkg-config, thanks to Zbigniew Jędrzejewski-Szmek (issue 135)
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Makefile : lz4-test only test native binaries, as suggested by Michał Górny (issue 136)
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Updated : xxHash to r35
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r119:
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Fix : Issue 134 : extended malicious address space overflow in 32-bits mode for some specific configurations
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r118:
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New : LZ4 Streaming API (Fast version), special thanks to Takayuki Matsuoka
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New : datagen : parametrable synthetic data generator for tests
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Improved : fuzzer, support more test cases, more parameters, ability to jump to specific test
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fix : support ppc64le platform (issue 131)
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fix : Issue 52 (malicious address space overflow in 32-bits mode when using large custom format)
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fix : Makefile : minor issue 130 : header files permissions
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r117:
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Added : man pages for lz4c and lz4cat
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Added : automated tests on Travis, thanks to Takayuki Matsuoka !
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fix : block-dependency command line (issue 127)
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fix : lz4fullbench (issue 128)
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r116:
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hotfix (issue 124 & 125)
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r115:
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Added : lz4cat utility, installed on POSX systems (issue 118)
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OS-X compatible compilation of dynamic library (issue 115)
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r114:
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Makefile : library correctly compiled with -O3 switch (issue 114)
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Makefile : library compilation compatible with clang
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Makefile : library is versioned and linked (issue 119)
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lz4.h : no more static inline prototypes (issue 116)
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man : improved header/footer (issue 111)
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Makefile : Use system default $(CC) & $(MAKE) variables (issue 112)
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xxhash : updated to r34
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r113:
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Large decompression speed improvement for GCC 32-bits. Thanks to Valery Croizier !
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LZ4HC : Compression Level is now a programmable parameter (CLI from 4 to 9)
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Separated IO routines from command line (lz4io.c)
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Version number into lz4.h (suggested by Francesc Alted)
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r112:
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quickfix
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r111 :
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Makefile : added capability to install libraries
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Modified Directory tree, to better separate libraries from programs.
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r110 :
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lz4 & lz4hc : added capability to allocate state & stream state with custom allocator (issue 99)
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fuzzer & fullbench : updated to test new functions
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man : documented -l command (Legacy format, for Linux kernel compression) (issue 102)
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cmake : improved version by Mika Attila, building programs and libraries (issue 100)
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xxHash : updated to r33
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Makefile : clean also delete local package .tar.gz
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r109 :
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lz4.c : corrected issue 98 (LZ4_compress_limitedOutput())
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Makefile : can specify version number from makefile
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r108 :
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lz4.c : corrected compression efficiency issue 97 in 64-bits chained mode (-BD) for streams > 4 GB (thanks Roman Strashkin for reporting)
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r107 :
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Makefile : support DESTDIR for staged installs. Thanks Jorge Aparicio.
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Makefile : make install installs both lz4 and lz4c (Jorge Aparicio)
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Makefile : removed -Wno-implicit-declaration compilation switch
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lz4cli.c : include <stduni.h> for isatty() (Luca Barbato)
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lz4.h : introduced LZ4_MAX_INPUT_SIZE constant (Shay Green)
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lz4.h : LZ4_compressBound() : unified macro and inline definitions (Shay Green)
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lz4.h : LZ4_decompressSafe_partial() : clarify comments (Shay Green)
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lz4.c : LZ4_compress() verify input size condition (Shay Green)
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bench.c : corrected a bug in free memory size evaluation
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cmake : install into bin/ directory (Richard Yao)
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cmake : check for just C compiler (Elan Ruusamae)
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r106 :
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Makefile : make dist modify text files in the package to respect Unix EoL convention
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lz4cli.c : corrected small display bug in HC mode
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r105 :
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Makefile : New install script and man page, contributed by Prasad Pandit
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lz4cli.c : Minor modifications, for easier extensibility
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COPYING : added license file
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LZ4_Streaming_Format.odt : modified file name to remove white space characters
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Makefile : .exe suffix now properly added only for Windows target
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