AuroraMiddleware/lz4
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Author SHA1 Message Date
Yann Collet
2b6c4f3d63
Merge pull request #530 from lz4/lz4fRingBuffer 
Random lz4f clarifications
 2018-05-03 12:55:04 -07:00
Yann Collet
ffbff1f360 Merge branch 'dev' into lz4fRingBuffer 2018-05-03 11:54:57 -07:00
Yann Collet
95607a749b
Merge pull request #528 from lz4/complexShortcut 
Faster decoding speed
 2018-05-03 11:35:50 -07:00
Cyan4973
2e2c9f6ff3 fix comments / indentation 
as requested by @terrelln
 2018-05-03 07:56:33 -07:00
Yann Collet
1e130d23e3 updated NEWS in preparation for v1.8.2 2018-05-02 16:52:33 -07:00
Yann Collet
79af95a5b3 Merge branch 'lz4fRingBuffer' of github.com:Cyan4973/lz4 into lz4fRingBuffer 2018-05-02 16:43:51 -07:00
Yann Collet
ba168ee5c7 updated benchmark for v1.8.2 2018-05-02 16:43:05 -07:00
Yann Collet
543223851f updated benchmark for v1.8.2 2018-05-02 16:41:15 -07:00
Yann Collet
c25eb16666 random lz4f clarifications 
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.
 2018-05-02 16:05:42 -07:00
Yann Collet
858d12e3e1 Merge branch 'dev' into lz4fRingBuffer 2018-05-02 14:24:24 -07:00
Yann Collet
85be6b8f6d increased nbAttempts for lz4 -12 
shaves one more kilobyte from silesia.tar
 2018-05-02 14:22:35 -07:00
Yann Collet
999a8488f6 removed test that might be optimized away 
under UB rule "no overflow on int"
 2018-05-02 13:57:33 -07:00
Yann Collet
93cf628a08 introduce LZ4_decoderRingBufferSize() 
fuzzer : fix and robustify ring buffer tests
 2018-05-02 13:01:04 -07:00
Yann Collet
1a191b3f8d simplify shortcut 2018-05-02 10:33:12 -07:00
Yann Collet
0114b63b40 Merge branch 'dev' into complexShortcut 2018-05-02 10:08:30 -07:00
Yann Collet
5fc7e0b336
Merge pull request #525 from lz4/testDecMerge 
added a test case for LZ4_decompress_fast_usingDict  …
 2018-05-02 10:06:07 -07:00
Yann Collet
bd470ccd38
Merge pull request #521 from lz4/BD_deterministic 
fix lz4hc -BD non-determinism
 2018-04-30 20:40:34 -07:00
Cyan4973
6a7d501fed renamed variable for clarity 
lowLimit -> lowestMatchIndex
 2018-04-30 18:56:16 -07:00
Cyan4973
1949bf11e3 added visual test dir to .gitignore 2018-04-30 18:50:56 -07:00
Yann Collet
8c574990a9 lz4hc changed variable 
to reduce confusion
dictLowLimit => dictStart
 2018-04-30 16:08:16 -07:00
Yann Collet
4c696613a0 clarified streaming decompression function 
restrictions for ring buffer
 2018-04-30 15:55:33 -07:00
Yann Collet
90374271c2
Merge pull request #527 from svpv/fastDec 
lz4.c: two-stage shortcut for LZ4_decompress_generic
 2018-04-30 15:32:37 -07:00
Yann Collet
c32e0319a5
Merge pull request #523 from svpv/makeV1 
lib/Makefile: show commands with V=1
 2018-04-29 08:56:44 -07:00
Cyan4973
724bbcd960 Merge branch 'dev' of github.com:lz4/lz4 into dev 2018-04-29 08:47:08 -07:00
Cyan4973
e28ae0af07 updated NEWS for v1.8.2 
mentioning work from @svpv
 2018-04-29 08:46:39 -07:00
Yann Collet
99e5376ef7
Merge pull request #526 from svpv/makeV1 
lib/Makefile: show commands with V=1
 2018-04-29 08:45:16 -07:00
Cyan4973
5a2501a90d added a test case for LZ4_decompress_fast_usingDict 
with a separated dictionary
since a joined dictionary is now detected as prefix64K.

Also : fixed a minor warning under msys
 2018-04-29 07:42:24 -07:00
Yann Collet
41ad238bf9
Merge pull request #515 from svpv/refactorDec 
lz4.c: refactor the decoding routines
 2018-04-29 07:41:35 -07:00
Cyan4973
aaeeb2572b ignore windows+msys artefacts 2018-04-28 10:42:52 -07:00
Alexey Tourbin
45f8603aae lz4.c: two-stage shortcut for LZ4_decompress_generic 2018-04-28 11:16:57 +03:00
Alexey Tourbin
69242a8a08 lib/Makefile: show commands with V=1 
`make V=1` will now show the commands executed to build the library.
A similar technique is used in e.g. linux/Makefile.

The bulk of this change is produced with the following vim command:

    :g!/^\t@echo\>/s/^\t@/\t\$(Q)/
 2018-04-28 07:22:26 +03:00
Yann Collet
9d4eae59f0
Merge pull request #522 from svpv/refactorDec 
Refactor dec
 2018-04-27 17:22:06 -07:00
Yann Collet
1e6ca25af3
Merge pull request #520 from felixhandte/frame-dict-nits 
Minor Fixes to Dictionary Preparation in LZ4 Frame
 2018-04-27 13:52:30 -07:00
Yann Collet
de7b274d99 Merge branch 'dev' into BD_deterministic 2018-04-27 12:59:20 -07:00
Yann Collet
19b1267d44 fix lz4hc -BD non-determinism 
related to chain table update
 2018-04-27 12:46:49 -07:00
Yann Collet
72e99c8939 lz4hc : minor editions for clarity 2018-04-27 12:28:58 -07:00
Yann Collet
47d70e755e
Merge pull request #519 from lz4/fdParser 
Faster decoding speed
 2018-04-27 11:46:29 -07:00
W. Felix Handte
fefc40fc0a Avoid Possibly Redundant Table Clears When Loading HC Dict 2018-04-27 14:10:27 -04:00
W. Felix Handte
5076aa3e35 Remove Redundant LZ4_resetStream() Call 2018-04-27 13:59:02 -04:00
W. Felix Handte
7d11e34413 Rename LZ4F_applyCDict() -> LZ4F_initStream() 2018-04-27 13:57:10 -04:00
Yann Collet
d294dd7fc6 ensure favorDecSpeed is properly initialized 
also :
- fix a potential malloc error
- proper use of ALLOC macro inside lz4hc
- update html API doc
 2018-04-27 09:04:09 -07:00
Yann Collet
938e4849ae updated NEWS, in preparation for v1.8.2 2018-04-27 08:43:40 -07:00
Alexey Tourbin
d81a434c3d lz4.c: fixed the LZ4_decompress_fast_continue case 
The change is very similar to that of the LZ4_decompress_safe_continue
case.  The only reason a make this a separate change is to ensure that
the fuzzer, after it's been enhanced, can detect the flaw in
LZ4_decompress_fast_continue, and that the change indeed fixes the flaw.
 2018-04-27 15:10:12 +03:00
Alexey Tourbin
ce4e1389cc fuzzer.c: enabled ring buffer tests for decompress_fast 
Ring buffer tests were performed only with LZ4_decompress_safe_continue,
leaving my buggy changes to LZ4_decompress_safe_continue undetected.
The tests are now replicated and performed in a similar manner for both
LZ4_decompress_safe_continue and LZ4_decompress_safe_continue (except
for the small buffer case where only one function can be tested,
because part of the dictionary is overwritten with the output).

I also updated function names in the messages (changed them to the
actual ones).  The error was reported for LZ4_decompress_safe(),
which I found misleading.
 2018-04-27 07:27:10 +03:00
Yann Collet
0fb3a3b199 fixed a number of minor cast warnings 2018-04-26 18:08:28 -07:00
Yann Collet
00909b27b1
Merge pull request #518 from felixhandte/fix-517-dict-size-truncation 
Limit Dictionary Size During LZ4F Decompression
 2018-04-26 16:47:50 -07:00
Yann Collet
3eb3ed26e1
Merge pull request #516 from felixhandte/merge-dest-size 
Merge _destSize Compress Variant into LZ4_compress_generic()
 2018-04-26 16:40:33 -07:00
Yann Collet
5c7d3812d9 fasterDecSpeed can be triggered from cli with --favor-decSpeed 2018-04-26 15:49:32 -07:00
Yann Collet
3792d00168 favorDecSpeed feature can be triggered from lz4frame 
and lz4hc.
 2018-04-26 15:18:44 -07:00
W. Felix Handte
0858362f28 Merge _destSize Compress Variant into LZ4_compress_generic() 2018-04-26 18:01:08 -04:00