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* random lz4f clarificationsYann Collet2018-05-021-29/+47
| | | | | | | | | | | | | | the initial intention was to update lz4f ring buffer strategy, but lz4f doesn't use ring buffer. Instead, it uses the destination buffer as much as possible, and merely copies just what's required to preserve history into its own buffer, at the end. Pretty efficient. This patch just clarifies a few comments and add some assert(). It's built on top of #528. It also updates doc.
* Merge pull request #520 from felixhandte/frame-dict-nitsYann Collet2018-04-271-7/+14
|\ | | | | Minor Fixes to Dictionary Preparation in LZ4 Frame
| * Avoid Possibly Redundant Table Clears When Loading HC DictW. Felix Handte2018-04-271-1/+1
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| * Remove Redundant LZ4_resetStream() CallW. Felix Handte2018-04-271-2/+1
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| * Rename LZ4F_applyCDict() -> LZ4F_initStream()W. Felix Handte2018-04-271-4/+12
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* | Merge pull request #519 from lz4/fdParserYann Collet2018-04-271-0/+3
|\ \ | |/ |/| Faster decoding speed
| * fixed a number of minor cast warningsYann Collet2018-04-271-1/+1
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| * fasterDecSpeed can be triggered from cli with --favor-decSpeedYann Collet2018-04-261-1/+1
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| * favorDecSpeed feature can be triggered from lz4frameYann Collet2018-04-261-0/+3
| | | | | | | | and lz4hc.
* | Limit Dictionary Size During LZ4F DecompressionW. Felix Handte2018-04-261-4/+21
|/ | | | Fixes lz4/lz4#517.
* Change Over Includes in the ProjectW. Felix Handte2018-04-241-1/+2
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* Remove Debug Log StatementsW. Felix Handte2018-04-241-21/+0
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* Add API for Attaching DictionariesW. Felix Handte2018-04-201-2/+1
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* Use Fast Reset in LZ4F AgainW. Felix Handte2018-04-201-1/+1
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* Use Fast Reset API in LZ4FW. Felix Handte2018-04-201-1/+1
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* Call LZ4F_applyCDict Even on NULL CDictW. Felix Handte2018-04-201-1/+1
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* Set dictCtx Rather than memcpy'ing CtxW. Felix Handte2018-04-201-6/+3
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* Add Debug Log Statements to HCW. Felix Handte2018-04-201-0/+21
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* Minor FixesW. Felix Handte2018-04-111-2/+0
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* Add a LZ4_STATIC_LINKING_ONLY Macro to Guard Experimental APIsW. Felix Handte2018-04-111-0/+1
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* Expose dictCtx Functionality in LZ4W. Felix Handte2018-04-111-2/+1
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* Rename _extState_noReset -> _extState_fastReset and Edit CommentsW. Felix Handte2018-04-111-1/+1
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* Expose a Faster Stream Reset FunctionW. Felix Handte2018-04-101-3/+1
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* fix comment styleYann Collet2018-03-211-2/+2
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* Switch ALLOC() to ALLOC_AND_ZERO() to Paper Over Existing Uninitialized ReadW. Felix Handte2018-03-131-1/+1
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* Split lz4CtxLevel into Two FieldsW. Felix Handte2018-03-131-17/+10
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* Another Allocation Fail CheckW. Felix Handte2018-03-131-1/+2
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* Renames and Comment FixesW. Felix Handte2018-03-121-1/+1
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* Hoist LZ4F Dictionary Setup into Helper LZ4F_applyCDict()W. Felix Handte2018-03-121-47/+25
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* Minor Style FixesW. Felix Handte2018-03-121-9/+9
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* Replace calloc() Calls With malloc() Where PossibleW. Felix Handte2018-03-121-15/+16
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* Make LZ4F_compressFrame_usingCDict Take a Compression ContextW. Felix Handte2018-03-121-22/+53
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* Set Dictionary Context Pointer Rather than Copying the Context InW. Felix Handte2018-03-121-6/+29
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* Only Re-Alloc / Reset When Needed When Switching Between Regular and High ↵W. Felix Handte2018-03-121-13/+27
| | | | Compression Modes
* Avoid Resetting the Context When PossibleW. Felix Handte2018-03-121-2/+19
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* refactored frameCompress exampleYann Collet2018-01-311-1/+2
| | | | to better reflect LZ4F API usage.
* lz4frame : removed some intermediate stage from LZ4F_decompress()Yann Collet2018-01-141-16/+6
| | | | | ensure some strange jump cases are not possible (they were already not possible, but static analyzer couldn't understand it).
* ensure a ptr is non-nullYann Collet2018-01-141-0/+9
| | | | | with an assert() to help static analyzer understanding this condition.
* modified formulation for LZ4F_compressBound()Yann Collet2018-01-141-5/+5
| | | | | | previous version used an intentional overflow, which is defined since it uses unsigned type, but static analyzer complain about it.
* [lz4f] Skip memcpy() on empty dictionaryNick Terrell2018-01-051-2/+4
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* minor comment editYann Collet2017-11-031-4/+4
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* fixed decoding block checksum in lz4frameYann Collet2017-10-041-4/+3
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* minor lz4frame code refactorYann Collet2017-09-231-50/+54
| | | | | try to improve code readability. minor optimization on condition to preserve history.
* Fix Segfault When Copying DictW. Felix Handte2017-09-221-0/+1
| | | | dctx must have been initialized before we can copy the dictionary in.
* fix : asan error in dctx, due to increased maximum frame header size, ↵v1.8.0Yann Collet2017-08-171-3/+3
| | | | reported by Craig Young
* restored block checksum capability at lz4frame API levelYann Collet2017-08-121-315/+384
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* implemented lz4frame decompression APIYann Collet2017-08-101-54/+52
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* support dictionary compression with independent blocksYann Collet2017-08-101-31/+51
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* dictionary compression correctly uses compression levelYann Collet2017-08-101-10/+13
| | | | Not obvious : copying the state was copying cdict's compression level
* fixed C++ conversion warningsYann Collet2017-08-101-2/+2
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