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v1.8.3 perf: minor decompression speed improvement (~+2%) with gcc fix : corruption in v1.8.2 at level 9 for files > 64KB under rare conditions (#560) cli : new command --fast, by @jennifermliu api : LZ4_decompress_safe_partial() now decodes exactly the nb of bytes requested (feature request #566) build : added Haiku target, by @fbrosson, and MidnightBSD, by @laffer1 doc : updated documentation regarding dictionary compression v1.8.2 perf: *much* faster dictionary compression on small files, by @felixhandte perf: improved decompression speed and binary size, by Alexey Tourbin (@svpv) perf: slightly faster HC compression and decompression speed perf: very small compression ratio improvement fix : compression compatible with low memory addresses (< 0xFFFF) fix : decompression segfault when provided with NULL input, by @terrelln cli : new command --favor-decSpeed cli : benchmark mode more accurate for small inputs fullbench : can bench _destSize() variants, by @felixhandte doc : clarified block format parsing restrictions, by Alexey Tourbin (@svpv) v1.8.1 perf : faster and stronger ultra modes (levels 10+) perf : slightly faster compression and decompression speed perf : fix bad degenerative case, reported by @c-morgenstern fix : decompression failed when using a combination of extDict + low memory address (#397), reported and fixed by Julian Scheid (@jscheid) cli : support for dictionary compression (`-D`), by Felix Handte @felixhandte cli : fix : `lz4 -d --rm` preserves timestamp (#441) cli : fix : do not modify /dev/null permission as root, by @aliceatlas api : `_destSize()` variant supported for all compression levels build : `make` and `make test` compatible with `-jX`, reported by @mwgamera build : can control LZ4LIB_VISIBILITY macro, by @mikir install: fix man page directory (#387), reported by Stuart Cardall (@itoffshore) v1.8.0 cli : fix : do not modify /dev/null permissions, reported by @Maokaman1 cli : added GNU separator -- specifying that all following arguments are files API : added LZ4_compress_HC_destSize(), by Oleg (@remittor) API : added LZ4F_resetDecompressionContext() API : lz4frame : negative compression levels trigger fast acceleration, request by Lawrence Chan API : lz4frame : can control block checksum and dictionary ID API : fix : expose obsolete decoding functions, reported by Chen Yufei API : experimental : lz4frame_static : new dictionary compression API build : fix : static lib installation, by Ido Rosen build : dragonFlyBSD, OpenBSD, NetBSD supported build : LZ4_MEMORY_USAGE can be modified at compile time, through external define doc : Updated LZ4 Frame format to v1.6.0, restoring Dictionary-ID field doc : lz4 api manual, by Przemyslaw Skibinski v1.7.5 lz4hc : new high compression mode : levels 10-12 compress more and slower, by Przemyslaw Skibinski lz4cat : fix : works with relative path (#284) and stdin (#285) (reported by @beiDei8z) cli : fix minor notification when using -r recursive mode API : lz4frame : LZ4F_frameBound(0) gives upper bound of *flush() and *End() operations (#290, #280) doc : markdown version of man page, by Takayuki Matsuoka (#279) build : Makefile : fix make -jX lib+exe concurrency (#277) build : cmake : improvements by Michał Górny (#296) v1.7.4.2 fix : Makefile : release build compatible with PIE and customized compilation directives provided through environment variables (#274, reported by Antoine Martin) v1.7.4 Improved : much better speed in -mx32 mode cli : fix : Large file support in 32-bits mode on Mac OS-X fix : compilation on gcc 4.4 (#272), reported by Antoine Martin v1.7.3 Changed : moved to versioning; package, cli and library have same version number Improved: Small decompression speed boost Improved: Small compression speed improvement on 64-bits systems Improved: Small compression ratio and speed improvement on small files Improved: Significant speed boost on ARMv6 and ARMv7 Fix : better ratio on 64-bits big-endian targets Improved cmake build script, by Evan Nemerson New liblz4-dll project, by Przemyslaw Skibinki Makefile: Generates object files (*.o) for faster (re)compilation on low power systems cli : new : --rm and --help commands cli : new : preserved file attributes, by Przemyslaw Skibinki cli : fix : crash on some invalid inputs cli : fix : -t correctly validates lz4-compressed files, by Nick Terrell cli : fix : detects and reports fread() errors, thanks to Hiroshi Fujishima report #243 cli : bench : new : -r recursive mode lz4cat : can cat multiple files in a single command line (#184) Added : doc/lz4_manual.html, by Przemyslaw Skibinski Added : dictionary compression and frame decompression examples, by Nick Terrell Added : Debianization, by Evgeniy Polyakov r131 New : Dos/DJGPP target, thanks to Louis Santillan (#114) Added : Example using lz4frame library, by Zbigniew Jędrzejewski-Szmek (#118) Changed: xxhash symbols are modified (namespace emulation) within liblz4 r130: Fixed : incompatibility sparse mode vs console, reported by Yongwoon Cho (#105) Fixed : LZ4IO exits too early when frame crc not present, reported by Yongwoon Cho (#106) Fixed : incompatibility sparse mode vs append mode, reported by Takayuki Matsuoka (#110) Performance fix : big compression speed boost for clang (+30%) New : cross-version test, by Takayuki Matsuoka r129: Added : LZ4_compress_fast(), LZ4_compress_fast_continue() Added : LZ4_compress_destSize() Changed: New lz4 and lz4hc compression API. Previous function prototypes still supported. Changed: Sparse file support enabled by default New : LZ4 CLI improved performance compressing/decompressing multiple files (#86, kind contribution from Kyle J. Harper & Takayuki Matsuoka) Fixed : GCC 4.9+ optimization bug - Reported by Markus Trippelsdorf, Greg Slazinski & Evan Nemerson Changed: Enums converted to LZ4F_ namespace convention - by Takayuki Matsuoka Added : AppVeyor CI environment, for Visual tests - Suggested by Takayuki Matsuoka Modified:Obsolete functions generate warnings - Suggested by Evan Nemerson, contributed by Takayuki Matsuoka Fixed : Bug #75 (unfinished stream), reported by Yongwoon Cho Updated: Documentation converted to MarkDown format r128: New : lz4cli sparse file support (Requested by Neil Wilson, and contributed by Takayuki Matsuoka) New : command -m, to compress multiple files in a single command (suggested by Kyle J. Harper) Fixed : Restored lz4hc compression ratio (slightly lower since r124) New : lz4 cli supports long commands (suggested by Takayuki Matsuoka) New : lz4frame & lz4cli frame content size support New : lz4frame supports skippable frames, as requested by Sergey Cherepanov Changed: Default "make install" directory is /usr/local, as notified by Ron Johnson New : lz4 cli supports "pass-through" mode, requested by Neil Wilson New : datagen can generate sparse files New : scan-build tests, thanks to kind help by Takayuki Matsuoka New : g++ compatibility tests New : arm cross-compilation test, thanks to kind help by Takayuki Matsuoka Fixed : Fuzzer + frametest compatibility with NetBSD (issue #48, reported by Thomas Klausner) Added : Visual project directory Updated: Man page & Specification r127: N/A : added a file on SVN r126: New : lz4frame API is now integrated into liblz4 Fixed : GCC 4.9 bug on highest performance settings, reported by Greg Slazinski Fixed : bug within LZ4 HC streaming mode, reported by James Boyle Fixed : older compiler don't like nameless unions, reported by Cheyi Lin Changed : lz4 is C90 compatible Changed : added -pedantic option, fixed a few mminor warnings r125: Changed : endian and alignment code Changed : directory structure : new "lib" directory Updated : lz4io, now uses lz4frame Improved: slightly improved decoding speed Fixed : LZ4_compress_limitedOutput(); Special thanks to Christopher Speller ! Fixed : some alignment warnings under clang Fixed : deprecated function LZ4_slideInputBufferHC() r124: New : LZ4 HC streaming mode Fixed : LZ4F_compressBound() using null preferencesPtr Updated : xxHash to r38 Updated library number, to 1.4.0 r123: Added : experimental lz4frame API, thanks to Takayuki Matsuoka and Christopher Jackson for testings Fix : s390x support, thanks to Nobuhiro Iwamatsu Fix : test mode (-t) no longer requires confirmation, thanks to Thary Nguyen r122: Fix : AIX & AIX64 support (SamG) Fix : mips 64-bits support (lew van) Added : Examples directory, using code examples from Takayuki Matsuoka Updated : Framing specification, to v1.4.1 Updated : xxHash, to r36 r121: Added : Makefile : install for kFreeBSD and Hurd (Nobuhiro Iwamatsu) Fix : Makefile : install for OS-X and BSD, thanks to Takayuki Matsuoka r120: Modified : Streaming API, using strong types Added : LZ4_versionNumber(), thanks to Takayuki Matsuoka Fix : OS-X : library install name, thanks to Clemens Lang Updated : Makefile : synchronize library version number with lz4.h, thanks to Takayuki Matsuoka Updated : Makefile : stricter compilation flags Added : pkg-config, thanks to Zbigniew Jędrzejewski-Szmek (issue 135) Makefile : lz4-test only test native binaries, as suggested by Michał Górny (issue 136) Updated : xxHash to r35 r119: Fix : Issue 134 : extended malicious address space overflow in 32-bits mode for some specific configurations r118: New : LZ4 Streaming API (Fast version), special thanks to Takayuki Matsuoka New : datagen : parametrable synthetic data generator for tests Improved : fuzzer, support more test cases, more parameters, ability to jump to specific test fix : support ppc64le platform (issue 131) fix : Issue 52 (malicious address space overflow in 32-bits mode when using large custom format) fix : Makefile : minor issue 130 : header files permissions r117: Added : man pages for lz4c and lz4cat Added : automated tests on Travis, thanks to Takayuki Matsuoka ! fix : block-dependency command line (issue 127) fix : lz4fullbench (issue 128) r116: hotfix (issue 124 & 125) r115: Added : lz4cat utility, installed on POSX systems (issue 118) OS-X compatible compilation of dynamic library (issue 115) r114: Makefile : 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 r113: Large 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) r112: quickfix r111 : Makefile : added capability to install libraries Modified Directory tree, to better separate libraries from programs. r110 : lz4 & 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 r109 : lz4.c : corrected issue 98 (LZ4_compress_limitedOutput()) Makefile : can specify version number from makefile r108 : lz4.c : corrected compression efficiency issue 97 in 64-bits chained mode (-BD) for streams > 4 GB (thanks Roman Strashkin for reporting) r107 : Makefile : 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) r106 : Makefile : make dist modify text files in the package to respect Unix EoL convention lz4cli.c : corrected small display bug in HC mode r105 : Makefile : 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 Makefile : .exe suffix now properly added only for Windows target