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* minor news updateYann Collet2019-04-161-1/+1
| | | | for msys2
* updated NEWS for v1.9.0Yann Collet2019-04-161-0/+12
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* Merge pull request #669 from lz4/fixframeYann Collet2019-04-154-74/+67
|\ | | | | Fix lz4frame inefficiency
| * simplified output_directiveYann Collet2019-04-151-15/+17
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| * fix comma for pedanticYann Collet2019-04-151-1/+1
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| * Merge branch 'dev' into fixframeYann Collet2019-04-151-1/+1
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* | added a fake initialization to please an analyzerYann Collet2019-04-151-1/+1
| | | | | | | | | | which is unable to understand that the variable is necessarily initialized in spite of an assert just before.
| * fix fuzzer tests on dirty contextYann Collet2019-04-151-3/+3
| | | | | | | | | | | | context is no longer dirty after a failed compressed block. Actually, all indexes are fine. It remains compatible with continued streaming, and reset*_fast().
| * unified limitedOutput_directiveYann Collet2019-04-152-35/+27
| | | | | | | | | | | | | | | | | | | | | | between lz4.c and lz4hc.c . was left in a strange state after the "amalgamation" patch. Now only 3 directives remain, same name across both implementations, single definition place. Might allow some light simplification due to reduced nb of states possible.
| * Merge branch 'dev' into fixframeYann Collet2019-04-151-5/+4
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* | added more margin for canary in frametestYann Collet2019-04-151-5/+4
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| * decompress*_fast() function do not generate deprecation warningsYann Collet2019-04-151-13/+14
| | | | | | | | | | | | | | | | | | they are classified as deprecated in the API documentation (lz4.h) but do not yet trigger a warning, to give time to existing applications to move away. Also, the _fast() variants are still ~5% faster than the _safe() ones after Dave's patch.
| * fixed lz4frame with linked blocksYann Collet2019-04-151-11/+9
|/ | | | | | | when one block was not compressible, it would tag the context as `dirty`, resulting in compression automatically bailing out of all future blocks, making the rest of the frame uncompressible.
* frametest: removed uninitialized warningYann Collet2019-04-151-17/+26
| | | | was a false positive, but better remove it anyway
* assert() the failed testYann Collet2019-04-151-0/+1
| | | | ensure canary remains within buffer limits
* fixed frametestYann Collet2019-04-151-10/+14
| | | | | | One test could write a canary value out of bound in exceptional conditions involving multiple flushes triggered by -s3421 -t462948.
* Merge branch 'dev' of github.com:Cyan4973/lz4 into devYann Collet2019-04-136-34/+42
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| * Merge pull request #668 from lz4/visualYann Collet2019-04-136-34/+42
| |\ | | | | | | Fix some Visual conversion warnings
| | * and even more visual conversion warningsYann Collet2019-04-132-10/+16
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| | * some more Visual conversion warningYann Collet2019-04-131-1/+3
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| | * fixed minor Visual conversion warningsYann Collet2019-04-132-7/+7
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| | * fix minor visual warningYann Collet2019-04-121-2/+2
| | | | | | | | | | | | | | | | | | yet some overly cautious overflow risk flag, while it's actually impossible, due to previous test just one line above. Changing the cast position, just to be please the thing.
| | * fixed minor Visual warningsYann Collet2019-04-122-14/+14
| | | | | | | | | | | | | | | | | | | | | | | | since Visual 2017, worries about potential overflow, which are actually impossible. Replaced (c * a) by (c ? a : 0). Will likely replaced a * by a cmov. Probably harmless for performance.
* | | fixed incorrect assertion conditionYann Collet2019-04-131-1/+1
|/ / | | | | | | output can use the full length of output buffer
* | updated benchmark tableYann Collet2019-04-131-12/+12
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* | Merge pull request #667 from lz4/pipeMultipleYann Collet2019-04-135-20/+72
|\ \ | |/ | | Fix combination -m -c
| * added tests for -d -m -cYann Collet2019-04-123-13/+35
| | | | | | | | seems to work properly
| * fixed lz4 -m -cYann Collet2019-04-124-16/+46
|/ | | | can compress multiple files into stdout
* Merge pull request #666 from lz4/blockIndepYann Collet2019-04-124-14/+23
|\ | | | | added command -BI for "Independent Blocks"
| * added command -BI for "Independent Blocks"Yann Collet2019-04-124-14/+23
|/ | | | | | | | This is the reverse of `-BD`, and the current default. This command can be useful to reverse a previous `-BD` command. It may in the future be more important if `lz4` switches to generating dependent blocks by default.
* updated man pageYann Collet2019-04-122-6/+16
| | | | with --favor-decSpeed
* updated doc to underline difference between block and frameYann Collet2019-04-125-26/+46
| | | | as this is a very frequent source of confusion for new users.
* Merge pull request #665 from lz4/dictYann Collet2019-04-116-15/+50
|\ | | | | Dictionary compression
| * improved documentation for LZ4 dictionary compressionYann Collet2019-04-116-15/+50
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* | Merge pull request #664 from lz4/maxdistYann Collet2019-04-116-38/+84
|\ \ | |/ | | introduce LZ4_DISTANCE_MAX build macro
| * introduce LZ4_DISTANCE_MAX build macroYann Collet2019-04-116-38/+84
|/ | | | | | | | | | make it possible to generate LZ4-compressed block with a controlled maximum offset (necessarily <= 65535). This could be useful for compatibility with decoders using a very limited memory budget (<64 KB). Answer #154
* updated block format with more details on MF_LIMITYann Collet2019-04-111-12/+23
| | | | aka distance from end of block for the last match.
* Merge pull request #663 from lz4/headerSizeYann Collet2019-04-103-60/+107
|\ | | | | made LZ4F_getHeaderSize() public
| * made LZ4F_getHeaderSize() publicYann Collet2019-04-103-60/+107
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* | added versions in commentsYann Collet2019-04-102-2/+7
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* Merge pull request #659 from lz4/resetFastYann Collet2019-04-0914-343/+495
|\ | | | | LZ4_resetStream*_fast()
| * fixed loadDictHCYann Collet2019-04-092-14/+22
| | | | | | | | | | by making a full initialization instead of a fast reset.
| * re-enable LZ4_resetStreamHC()Yann Collet2019-04-091-1/+1
| | | | | | | | towards deprecation, but still available and fully supported
| * modified LZ4_initStreamHC() to look like LZ4_initStream()Yann Collet2019-04-097-72/+119
| | | | | | | | | | it is now a pure initializer, for statically allocated states. It can initialize any memory area, and because of this, requires size.
| * check some more initialization resultYann Collet2019-04-081-1/+5
| | | | | | | | ensure it's not NULL.
| * removed LZ4_stream_t alignment test on VisualYann Collet2019-04-081-0/+8
| | | | | | | | | | | | | | it fails on x86 32-bit mode : Visual reports an alignment of 8-bytes (even with alignof()) but actually only align LZ4_stream_t on 4 bytes. The alignment check then fails, resulting in missed initialization.
| * checkFrame: removed %zuYann Collet2019-04-081-7/+12
| | | | | | | | not liked by mingw
| * fullbench: assert lz4_stream_t initializationYann Collet2019-04-081-2/+4
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| * fixed cleaning tmp directoryYann Collet2019-04-081-3/+3
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| * slightly faster huge file testYann Collet2019-04-081-1/+1
| | | | | | | | | | level down 5->4 size down 6G->5G
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