0c16b53773
kernel. Adjust the Makefiles that referenced it to the new path. Sponsored by: Netflix OK'd by: cem@ and AllanJude@
337 lines
16 KiB
Plaintext
337 lines
16 KiB
Plaintext
v1.3.2
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new : long range mode, using --long command, by Stella Lau (@stellamplau)
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new : ability to generate and decode magicless frames (#591)
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changed : maximum nb of threads reduced to 200, to avoid address space exhaustion in 32-bits mode
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fix : multi-threading compression works with custom allocators
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fix : ZSTD_sizeof_CStream() was over-evaluating memory usage
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fix : a rare compression bug when compression generates very large distances and bunch of other conditions (only possible at --ultra -22)
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fix : 32-bits build can now decode large offsets (levels 21+)
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cli : added LZ4 frame support by default, by Felix Handte (@felixhandte)
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cli : improved --list output
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cli : new : can split input file for dictionary training, using command -B#
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cli : new : clean operation artefact on Ctrl-C interruption
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cli : fix : do not change /dev/null permissions when using command -t with root access, reported by @mike155 (#851)
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cli : fix : write file size in header in multiple-files mode
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api : added macro ZSTD_COMPRESSBOUND() for static allocation
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api : experimental : new advanced decompression API
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api : fix : sizeof_CCtx() used to over-estimate
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build: fix : no-multithread variant compiles without pool.c dependency, reported by Mitchell Blank Jr (@mitchblank) (#819)
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build: better compatibility with reproducible builds, by Bernhard M. Wiedemann (@bmwiedemann) (#818)
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example : added streaming_memory_usage
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license : changed /examples license to BSD + GPLv2
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license : fix a few header files to reflect new license (#825)
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v1.3.1
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New license : BSD + GPLv2
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perf: substantially decreased memory usage in Multi-threading mode, thanks to reports by Tino Reichardt (@mcmilk)
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perf: Multi-threading supports up to 256 threads. Cap at 256 when more are requested (#760)
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cli : improved and fixed --list command, by @ib (#772)
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cli : command -vV to list supported formats, by @ib (#771)
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build : fixed binary variants, reported by @svenha (#788)
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build : fix Visual compilation for non x86/x64 targets, reported by Greg Slazinski (@GregSlazinski) (#718)
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API exp : breaking change : ZSTD_getframeHeader() provides more information
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API exp : breaking change : pinned down values of error codes
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doc : fixed huffman example, by Ulrich Kunitz (@ulikunitz)
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new : contrib/adaptive-compression, I/O driven compression strength, by Paul Cruz (@paulcruz74)
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new : contrib/long_distance_matching, statistics by Stella Lau (@stellamplau)
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updated : contrib/linux-kernel, by Nick Terrell (@terrelln)
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v1.3.0
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cli : new : `--list` command, by Paul Cruz
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cli : changed : xz/lzma support enabled by default
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cli : changed : `-t *` continue processing list after a decompression error
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API : added : ZSTD_versionString()
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API : promoted to stable status : ZSTD_getFrameContentSize(), by Sean Purcell
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API exp : new advanced API : ZSTD_compress_generic(), ZSTD_CCtx_setParameter()
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API exp : new : API for static or external allocation : ZSTD_initStatic?Ctx()
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API exp : added : ZSTD_decompressBegin_usingDDict(), requested by Guy Riddle (#700)
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API exp : clarified memory estimation / measurement functions.
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API exp : changed : strongest strategy renamed ZSTD_btultra, fastest strategy ZSTD_fast set to 1
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tools : decodecorpus can generate random dictionary-compressed samples, by Paul Cruz
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new : contrib/seekable_format, demo and API, by Sean Purcell
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changed : contrib/linux-kernel, updated version and license, by Nick Terrell
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v1.2.0
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cli : changed : Multithreading enabled by default (use target zstd-nomt or HAVE_THREAD=0 to disable)
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cli : new : command -T0 means "detect and use nb of cores", by Sean Purcell
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cli : new : zstdmt symlink hardwired to `zstd -T0`
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cli : new : command --threads=# (#671)
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cli : changed : cover dictionary builder by default, for improved quality, by Nick Terrell
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cli : new : commands --train-cover and --train-legacy, to select dictionary algorithm and parameters
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cli : experimental targets `zstd4` and `xzstd4`, with support for lz4 format, by Sean Purcell
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cli : fix : does not output compressed data on console
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cli : fix : ignore symbolic links unless --force specified,
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API : breaking change : ZSTD_createCDict_advanced(), only use compressionParameters as argument
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API : added : prototypes ZSTD_*_usingCDict_advanced(), for direct control over frameParameters.
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API : improved: ZSTDMT_compressCCtx() reduced memory usage
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API : fix : ZSTDMT_compressCCtx() now provides srcSize in header (#634)
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API : fix : src size stored in frame header is controlled at end of frame
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API : fix : enforced consistent rules for pledgedSrcSize==0 (#641)
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API : fix : error code "GENERIC" replaced by "dstSizeTooSmall" when appropriate
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build: improved cmake script, by @Majlen
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build: enabled Multi-threading support for *BSD, by Baptiste Daroussin
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tools: updated Paramgrill. Command -O# provides best parameters for sample and speed target.
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new : contrib/linux-kernel version, by Nick Terrell
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v1.1.4
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cli : new : can compress in *.gz format, using --format=gzip command, by Przemyslaw Skibinski
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cli : new : advanced benchmark command --priority=rt
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cli : fix : write on sparse-enabled file systems in 32-bits mode, by @ds77
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cli : fix : --rm remains silent when input is stdin
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cli : experimental : xzstd, with support for xz/lzma decoding, by Przemyslaw Skibinski
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speed : improved decompression speed in streaming mode for single shot scenarios (+5%)
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memory: DDict (decompression dictionary) memory usage down from 150 KB to 20 KB
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arch: 32-bits variant able to generate and decode very long matches (>32 MB), by Sean Purcell
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API : new : ZSTD_findFrameCompressedSize(), ZSTD_getFrameContentSize(), ZSTD_findDecompressedSize()
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API : changed : dropped support of legacy versions <= v0.3 (can be changed by modifying ZSTD_LEGACY_SUPPORT value)
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build : new: meson build system in contrib/meson, by Dima Krasner
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build : improved cmake script, by @Majlen
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build : added -Wformat-security flag, as recommended by Padraig Brady
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doc : new : educational decoder, by Sean Purcell
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v1.1.3
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cli : zstd can decompress .gz files (can be disabled with `make zstd-nogz` or `make HAVE_ZLIB=0`)
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cli : new : experimental target `make zstdmt`, with multi-threading support
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cli : new : improved dictionary builder "cover" (experimental), by Nick Terrell, based on prior work by Giuseppe Ottaviano.
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cli : new : advanced commands for detailed parameters, by Przemyslaw Skibinski
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cli : fix zstdless on Mac OS-X, by Andrew Janke
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cli : fix #232 "compress non-files"
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dictBuilder : improved dictionary generation quality, thanks to Nick Terrell
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API : new : lib/compress/ZSTDMT_compress.h multithreading API (experimental)
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API : new : ZSTD_create?Dict_byReference(), requested by Bartosz Taudul
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API : new : ZDICT_finalizeDictionary()
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API : fix : ZSTD_initCStream_usingCDict() properly writes dictID into frame header, by Gregory Szorc (#511)
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API : fix : all symbols properly exposed in libzstd, by Nick Terrell
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build : support for Solaris target, by Przemyslaw Skibinski
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doc : clarified specification, by Sean Purcell
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v1.1.2
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API : streaming : decompression : changed : automatic implicit reset when chain-decoding new frames without init
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API : experimental : added : dictID retrieval functions, and ZSTD_initCStream_srcSize()
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API : zbuff : changed : prototypes now generate deprecation warnings
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lib : improved : faster decompression speed at ultra compression settings and 32-bits mode
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lib : changed : only public ZSTD_ symbols are now exposed
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lib : changed : reduced usage of stack memory
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lib : fixed : several corner case bugs, by Nick Terrell
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cli : new : gzstd, experimental version able to decode .gz files, by Przemyslaw Skibinski
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cli : new : preserve file attributes
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cli : new : added zstdless and zstdgrep tools
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cli : fixed : status displays total amount decoded, even for file consisting of multiple frames (like pzstd)
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cli : fixed : zstdcat
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zlib_wrapper : added support for gz* functions, by Przemyslaw Skibinski
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install : better compatibility with FreeBSD, by Dimitry Andric
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source tree : changed : zbuff source files moved to lib/deprecated
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v1.1.1
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New : command -M#, --memory=, --memlimit=, --memlimit-decompress= to limit allowed memory consumption
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New : doc/zstd_manual.html, by Przemyslaw Skibinski
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Improved : slightly better compression ratio at --ultra levels (>= 20)
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Improved : better memory usage when using streaming compression API, thanks to @Rogier-5 report
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Added : API : ZSTD_initCStream_usingCDict(), ZSTD_initDStream_usingDDict() (experimental section)
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Added : example/multiple_streaming_compression.c
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Changed : zstd_errors.h is now installed within /include (and replaces errors_public.h)
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Updated man page
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Fixed : zstd-small, zstd-compress and zstd-decompress compilation targets
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v1.1.0
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New : contrib/pzstd, parallel version of zstd, by Nick Terrell
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added : NetBSD install target (#338)
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Improved : speed for batches of small files
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Improved : speed of zlib wrapper, by Przemyslaw Skibinski
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Changed : libzstd on Windows supports legacy formats, by Christophe Chevalier
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Fixed : CLI -d output to stdout by default when input is stdin (#322)
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Fixed : CLI correctly detects console on Mac OS-X
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Fixed : CLI supports recursive mode `-r` on Mac OS-X
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Fixed : Legacy decoders use unified error codes, reported by benrg (#341), fixed by Przemyslaw Skibinski
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Fixed : compatibility with OpenBSD, reported by Juan Francisco Cantero Hurtado (#319)
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Fixed : compatibility with Hurd, by Przemyslaw Skibinski (#365)
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Fixed : zstd-pgo, reported by octoploid (#329)
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v1.0.0
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Change Licensing, all project is now BSD, Copyright Facebook
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Small decompression speed improvement
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API : Streaming API supports legacy format
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API : ZDICT_getDictID(), ZSTD_sizeof_{CCtx, DCtx, CStream, DStream}(), ZSTD_setDStreamParamter()
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CLI supports legacy formats v0.4+
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Fixed : compression fails on certain huge files, reported by Jesse McGrew
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Enhanced documentation, by Przemyslaw Skibinski
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v0.8.1
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New streaming API
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Changed : --ultra now enables levels beyond 19
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Changed : -i# now selects benchmark time in second
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Fixed : ZSTD_compress* can now compress > 4 GB in a single pass, reported by Nick Terrell
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Fixed : speed regression on specific patterns (#272)
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Fixed : support for Z_SYNC_FLUSH, by Dmitry Krot (#291)
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Fixed : ICC compilation, by Przemyslaw Skibinski
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v0.8.0
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Improved : better speed on clang and gcc -O2, thanks to Eric Biggers
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New : Build on FreeBSD and DragonFly, thanks to JrMarino
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Changed : modified API : ZSTD_compressEnd()
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Fixed : legacy mode with ZSTD_HEAPMODE=0, by Christopher Bergqvist
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Fixed : premature end of frame when zero-sized raw block, reported by Eric Biggers
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Fixed : large dictionaries (> 384 KB), reported by Ilona Papava
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Fixed : checksum correctly checked in single-pass mode
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Fixed : combined --test amd --rm, reported by Andreas M. Nilsson
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Modified : minor compression level adaptations
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Updated : compression format specification to v0.2.0
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changed : zstd.h moved to /lib directory
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v0.7.5
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Transition version, supporting decoding of v0.8.x
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v0.7.4
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Added : homebrew for Mac, by Daniel Cade
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Added : more examples
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Fixed : segfault when using small dictionaries, reported by Felix Handte
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Modified : default compression level for CLI is now 3
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Updated : specification, to v0.1.1
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v0.7.3
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New : compression format specification
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New : `--` separator, stating that all following arguments are file names. Suggested by Chip Turner.
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New : `ZSTD_getDecompressedSize()`
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New : OpenBSD target, by Juan Francisco Cantero Hurtado
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New : `examples` directory
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fixed : dictBuilder using HC levels, reported by Bartosz Taudul
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fixed : legacy support from ZSTD_decompress_usingDDict(), reported by Felix Handte
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fixed : multi-blocks decoding with intermediate uncompressed blocks, reported by Greg Slazinski
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modified : removed "mem.h" and "error_public.h" dependencies from "zstd.h" (experimental section)
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modified : legacy functions no longer need magic number
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v0.7.2
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fixed : ZSTD_decompressBlock() using multiple consecutive blocks. Reported by Greg Slazinski.
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fixed : potential segfault on very large files (many gigabytes). Reported by Chip Turner.
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fixed : CLI displays system error message when destination file cannot be created (#231). Reported by Chip Turner.
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v0.7.1
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fixed : ZBUFF_compressEnd() called multiple times with too small `dst` buffer, reported by Christophe Chevalier
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fixed : dictBuilder fails if first sample is too small, reported by Руслан Ковалёв
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fixed : corruption issue, reported by cj
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modified : checksum enabled by default in command line mode
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v0.7.0
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New : Support for directory compression, using `-r`, thanks to Przemyslaw Skibinski
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New : Command `--rm`, to remove source file after successful de/compression
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New : Visual build scripts, by Christophe Chevalier
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New : Support for Sparse File-systems (do not use space for zero-filled sectors)
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New : Frame checksum support
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New : Support pass-through mode (when using `-df`)
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API : more efficient Dictionary API : `ZSTD_compress_usingCDict()`, `ZSTD_decompress_usingDDict()`
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API : create dictionary files from custom content, by Giuseppe Ottaviano
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API : support for custom malloc/free functions
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New : controllable Dictionary ID
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New : Support for skippable frames
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v0.6.1
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New : zlib wrapper API, thanks to Przemyslaw Skibinski
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New : Ability to compile compressor / decompressor separately
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Changed : new lib directory structure
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Fixed : Legacy codec v0.5 compatible with dictionary decompression
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Fixed : Decoder corruption error (#173)
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Fixed : null-string roundtrip (#176)
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New : benchmark mode can select directory as input
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Experimental : midipix support, VMS support
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v0.6.0
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Stronger high compression modes, thanks to Przemyslaw Skibinski
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API : ZSTD_getFrameParams() provides size of decompressed content
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New : highest compression modes require `--ultra` command to fully unleash their capacity
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Fixed : zstd cli return error code > 0 and removes dst file artifact when decompression fails, thanks to Chip Turner
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v0.5.1
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New : Optimal parsing => Very high compression modes, thanks to Przemyslaw Skibinski
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Changed : Dictionary builder integrated into libzstd and zstd cli
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Changed (!) : zstd cli now uses "multiple input files" as default mode. See `zstd -h`.
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Fix : high compression modes for big-endian platforms
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New : zstd cli : `-t` | `--test` command
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v0.5.0
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New : dictionary builder utility
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Changed : streaming & dictionary API
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Improved : better compression of small data
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v0.4.7
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Improved : small compression speed improvement in HC mode
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Changed : `zstd_decompress.c` has ZSTD_LEGACY_SUPPORT to 0 by default
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fix : bt search bug
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v0.4.6
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fix : fast compression mode on Windows
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New : cmake configuration file, thanks to Artyom Dymchenko
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Improved : high compression mode on repetitive data
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New : block-level API
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New : ZSTD_duplicateCCtx()
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v0.4.5
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new : -m/--multiple : compress/decompress multiple files
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v0.4.4
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Fixed : high compression modes for Windows 32 bits
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new : external dictionary API extended to buffered mode and accessible through command line
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new : windows DLL project, thanks to Christophe Chevalier
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v0.4.3 :
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new : external dictionary API
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new : zstd-frugal
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v0.4.2 :
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Generic minor improvements for small blocks
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Fixed : big-endian compatibility, by Peter Harris (#85)
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v0.4.1
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Fixed : ZSTD_LEGACY_SUPPORT=0 build mode (reported by Luben)
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removed `zstd.c`
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v0.4.0
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Command line utility compatible with high compression levels
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Removed zstdhc => merged into zstd
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Added : ZBUFF API (see zstd_buffered.h)
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Rolling buffer support
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v0.3.6
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small blocks params
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v0.3.5
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minor generic compression improvements
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v0.3.4
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Faster fast cLevels
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v0.3.3
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Small compression ratio improvement
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v0.3.2
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Fixed Visual Studio
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v0.3.1 :
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Small compression ratio improvement
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v0.3
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HC mode : compression levels 2-26
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v0.2.2
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Fix : Visual Studio 2013 & 2015 release compilation, by Christophe Chevalier
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v0.2.1
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Fix : Read errors, advanced fuzzer tests, by Hanno Böck
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v0.2.0
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**Breaking format change**
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Faster decompression speed
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Can still decode v0.1 format
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v0.1.3
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fix uninitialization warning, reported by Evan Nemerson
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v0.1.2
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frame concatenation support
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v0.1.1
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fix compression bug
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detects write-flush errors
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v0.1.0
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first release
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