AuroraMiddleware/lz4
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Commit Graph

107 Commits

Author SHA1 Message Date
W. Felix Handte
d7347f9eea Add API for Attaching Dictionaries 2018-04-20 14:59:34 -04:00
W. Felix Handte
0a2abacd90 Use Fast Reset in LZ4F Again 2018-04-19 20:54:35 -04:00
W. Felix Handte
61c7ceffed Use Fast Reset API in LZ4F 2018-04-19 20:54:35 -04:00
W. Felix Handte
6289ff4fb1 Call LZ4F_applyCDict Even on NULL CDict 2018-04-19 20:54:35 -04:00
W. Felix Handte
fdeead0b09 Set dictCtx Rather than memcpy'ing Ctx 2018-04-19 20:54:35 -04:00
W. Felix Handte
e75153f508 Add Debug Log Statements to HC 2018-04-19 20:54:35 -04:00
W. Felix Handte
51a56c47c0 Minor Fixes 2018-04-11 18:06:48 -04:00
W. Felix Handte
3a0c571272 Add a LZ4_STATIC_LINKING_ONLY Macro to Guard Experimental APIs 2018-04-11 18:06:10 -04:00
W. Felix Handte
afa52c9b95 Expose dictCtx Functionality in LZ4 2018-04-11 16:28:56 -04:00
W. Felix Handte
21f0c9700b Rename _extState_noReset -> _extState_fastReset and Edit Comments 2018-04-11 15:13:01 -04:00
W. Felix Handte
59c7d95121 Expose a Faster Stream Reset Function 2018-04-10 13:26:17 -04:00
Yann Collet
863e24892d fix comment style 2018-03-21 07:07:24 -07:00
W. Felix Handte
c852f20c39 Switch ALLOC() to ALLOC_AND_ZERO() to Paper Over Existing Uninitialized Read 2018-03-13 17:47:34 -04:00
W. Felix Handte
995756f218 Split lz4CtxLevel into Two Fields 2018-03-13 17:45:09 -04:00
W. Felix Handte
640db34e43 Another Allocation Fail Check 2018-03-13 17:35:44 -04:00
W. Felix Handte
f9fef255a1 Renames and Comment Fixes 2018-03-12 18:34:41 -04:00
W. Felix Handte
1df5d911aa Hoist LZ4F Dictionary Setup into Helper LZ4F_applyCDict() 2018-03-12 16:11:55 -04:00
W. Felix Handte
3ecc1d7a5b Minor Style Fixes 2018-03-12 16:11:44 -04:00
W. Felix Handte
efc419a6d4 Replace calloc() Calls With malloc() Where Possible 2018-03-12 14:58:43 -04:00
W. Felix Handte
9dcd9abc14 Make LZ4F_compressFrame_usingCDict Take a Compression Context 2018-03-12 14:58:43 -04:00
W. Felix Handte
68c6bd17b8 Set Dictionary Context Pointer Rather than Copying the Context In 2018-03-12 14:58:43 -04:00
W. Felix Handte
7060bcabf0 Only Re-Alloc / Reset When Needed When Switching Between Regular and High Compression Modes 2018-03-12 14:58:43 -04:00
W. Felix Handte
b3628cb0c5 Avoid Resetting the Context When Possible 2018-03-12 14:58:43 -04:00
Yann Collet
87fb7a1d03 refactored frameCompress example 
to better reflect LZ4F API usage.
 2018-01-31 14:33:16 -08:00
Yann Collet
5e7780d2d8 lz4frame : removed some intermediate stage from LZ4F_decompress() 
ensure some strange jump cases are not possible
(they were already not possible, but static analyzer couldn't understand it).
 2018-01-14 00:15:07 -08:00
Yann Collet
18b4c66d25 ensure a ptr is non-null 
with an assert()
to help static analyzer understanding this condition.
 2018-01-13 22:47:46 -08:00
Yann Collet
4d61ebc9c8 modified formulation for LZ4F_compressBound() 
previous version used an intentional overflow,
which is defined since it uses unsigned type,
but static analyzer complain about it.
 2018-01-13 22:39:39 -08:00
Nick Terrell
c2dd686e96 [lz4f] Skip memcpy() on empty dictionary 2018-01-05 14:30:49 -08:00
Yann Collet
89821ac7a1 minor comment edit 2017-11-03 11:49:56 -07:00
Yann Collet
87968517f9 fixed decoding block checksum in lz4frame 2017-10-04 15:24:08 -07:00
Yann Collet
ceb868f442 minor lz4frame code refactor 
try to improve code readability.
minor optimization on condition to preserve history.
 2017-09-23 15:06:24 -07:00
W. Felix Handte
77f7245ea7 Fix Segfault When Copying Dict 
dctx must have been initialized before we can copy the dictionary in.
 2017-09-22 13:20:49 -07:00
Yann Collet
c10863b98e fix : asan error in dctx, due to increased maximum frame header size, reported by Craig Young 2017-08-17 10:55:30 -07:00
Yann Collet
77f99d2922 restored block checksum capability at lz4frame API level 2017-08-11 17:46:52 -07:00
Yann Collet
757497ae3d implemented lz4frame decompression API 2017-08-10 16:53:57 -07:00
Yann Collet
4531637ecd support dictionary compression with independent blocks 2017-08-10 12:12:53 -07:00
Yann Collet
d8aafe2c52 dictionary compression correctly uses compression level 
Not obvious : copying the state was copying cdict's compression level
 2017-08-10 00:48:19 -07:00
Yann Collet
ca2fb166ab fixed C++ conversion warnings 2017-08-09 18:22:26 -07:00
Yann Collet
bf8daa2fd5 fixed uninitialization error in lz4frame 2017-08-09 18:00:48 -07:00
Yann Collet
31f2cdf4d2 implemented dictionary compression in lz4frame 
note : only compression API is implemented and tested
still to do : decompression API
 2017-08-09 16:51:19 -07:00
Yann Collet
a82dadfbae added dictID inside LZ4F_frameInfo_t 
Compressor can set dictID on LZ4F_compressBegin()
Decompressor can retrieve it using LZ4F_getFrameInfo()
 2017-08-08 17:43:11 -07:00
Chocobo1
a4ec7fa7b7 Fix gcc7 Wimplicit-fallthrough warnings 
For the default Wimplicit-fallthrough=3 level,
the comment should start with "fall*"
 2017-06-19 13:57:35 +08:00
Yann Collet
e60cbb5cac added test for LZ4F_resetDecompressionContext() 2017-05-10 16:28:36 -07:00
Yann Collet
fe932c4527 expose LZ4F_resetDecompressionContext() 2017-05-10 12:25:05 -07:00
Yann Collet
e2c9b19122 lz4frame : Added negative compression levels 2017-04-09 01:41:36 -07:00
Yann Collet
7eecd32c07 ensure lz4f_cctx internal buffer size remain valid in case of malloc error 2017-04-09 01:11:39 -07:00
Yann Collet
e169edac05 lz4frame : control lz4 context creation success 2017-04-08 18:27:31 -07:00
Yann Collet
6226d52eab fixed minor Visual warning 2017-03-29 14:18:10 -07:00
Yann Collet
b88df6b1b0 Improved comments on LZ4F_getFrameInfo() 
and added LZ4F_resetCompressionContext()
 2017-03-29 12:51:08 -07:00
Yann Collet
f0a7651fce Safer LZ4_getFrameInfo() 
LZ4_getFrameInfo() is now guaranteed to keep dctx state clean,
even in case of failure.
 2017-03-28 17:10:01 -07:00