AuroraMiddleware/zstd
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ccbf067973
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2372 Commits

Author SHA1 Message Date
W. Felix Handte
ccbf067973 Add _dictMatchState Functions 2018-06-19 13:01:21 -04:00
W. Felix Handte
d5d8240967 Convert extDict Flag to dictMode Enum 2018-06-19 13:01:21 -04:00
W. Felix Handte
93c3184d44 Attach Dicts when Using ZSTD_btopt and ZSTD_btultra 2018-06-19 13:01:21 -04:00
Yann Collet
e30f13bde0
Merge pull request #1185 from felixhandte/zstd-btlazy-in-place-dict 
ZSTD_btlazy2: Support Searching the Dictionary Context In-Place
 2018-06-18 13:29:44 -07:00
Yann Collet
d8462ecba2 Merge branch 'dev' into huf_rename 2018-06-14 20:42:10 -04:00
Yann Collet
b7e5ebef2a grouped X2 function together 2018-06-14 20:41:50 -04:00
Yann Collet
9698d2fb72
Merge pull request #1189 from facebook/hist 
histogram module
 2018-06-14 20:39:52 -04:00
Yann Collet
6901c94cd6 avoid duplicate code comments 
when a function is decribed in hist.h,
do not describe it again in hist.c
to avoid future doc synchronization issues.
 2018-06-14 19:47:05 -04:00
Yann Collet
f70f829ff5
Merge pull request #1187 from facebook/fix1186 
fix dctx initialization within ZSTD_decompress in stack mode
 2018-06-14 16:22:22 -04:00
Yann Collet
a71513bec6
Merge pull request #1184 from facebook/debug 
Grouped debug functions into debug.h
 2018-06-14 16:21:53 -04:00
Yann Collet
1adf84ccb7 renamed all HUF_decompress*X4*() functions into *X2 
to underline they generate up to 2 symbols per decoding,
in preparation for a future *X3 variant.
 2018-06-14 15:17:03 -04:00
Yann Collet
a09af5eb6b renamed all HUF_decompress*X2*() functions into *X1 
to underline they generate one symbol per decoding operation.

The new naming scheme will make it easier to introduce an *X3 variant.
 2018-06-14 15:08:43 -04:00
W. Felix Handte
0c654d22c8 Force Inline BtFindBestMatch 2018-06-14 14:54:39 -04:00
Yann Collet
7fee966f02 fix dctx initialization within ZSTD_decompress in stack mode 
when ZSTD_HEAPMODE=0 (which is not default).

Also : added an associated test (test-fuzzer-stackmode)
run on travis CI

fix #1186
 2018-06-14 10:22:24 -04:00
Yann Collet
fc682263d0 fixed g_debuglevel variable name 
in debug.h
 2018-06-13 20:02:33 -04:00
Yann Collet
2d76defbfe grouped all histogram functions into hist.c 
renamed functions with HIST_* prefix
 2018-06-13 19:49:31 -04:00
W. Felix Handte
0551de4b5a Search Dict for Matches 2018-06-13 16:06:28 -04:00
W. Felix Handte
ace9cfa950 Attach Dicts when Using ZSTD_btlazy2 2018-06-13 16:06:28 -04:00
Yann Collet
fa41bcc2c2 grouped debug functions into debug.h 
There were 2 competing set of debug functions
within zstd_internal.h and bitstream.h.
They were mostly duplicate, and required care to avoid messing with each other.

There is now a single implementation, shared by both.

Significant change :
The macro variable ZSTD_DEBUG does no longer exist,
it has been replaced by DEBUGLEVEL,
which required modifying several source files.
 2018-06-13 15:43:09 -04:00
W. Felix Handte
d53200a846 Fix Cast Warning 2018-06-13 14:58:36 -04:00
W. Felix Handte
b82063b266 Extend Dictionary Matches Backwards 2018-06-13 14:58:36 -04:00
W. Felix Handte
d53a04211c Update Dictionary Attachment Cutoff Values Again 2018-06-13 14:58:36 -04:00
W. Felix Handte
2162aa9f18 Do Not Inline DMS Search Function 2018-06-13 14:58:36 -04:00
W. Felix Handte
338bede9b5 Also Implement Depth Repcode Checks 2018-06-13 14:58:36 -04:00
W. Felix Handte
555ab9f8cf Apply Match Continuation Bug Fix 2018-06-13 14:58:36 -04:00
W. Felix Handte
c87dd2121d Update Dictionary Attachment Cutoff Values 2018-06-13 14:58:36 -04:00
W. Felix Handte
6204b6d592 Check Dict Match State in ZSTD_HcFindBestMatch_generic 2018-06-13 14:58:36 -04:00
W. Felix Handte
211a61b69b Focus on Non-BT Impls for the Moment 2018-06-13 14:58:36 -04:00
W. Felix Handte
2e93736a77 Remove Pre-Existing Repcode Check 2018-06-13 14:58:36 -04:00
W. Felix Handte
3b82a23a35 Second Repcode Check 2018-06-13 14:58:36 -04:00
W. Felix Handte
a2a24bebec First Repcode Check 2018-06-13 14:58:36 -04:00
W. Felix Handte
f74c2cd673 Disallow Too-Long Repcodes When Using an Attached Dict 2018-06-13 14:58:36 -04:00
W. Felix Handte
c14db94450 Rename base -> prefixLowest 2018-06-13 14:58:36 -04:00
W. Felix Handte
5d90708a0a Go Back to Separate Intermediate Functions for Different Dict Modes 2018-06-13 14:58:36 -04:00
W. Felix Handte
f84fc63a43 Further Templatize Intermediate Functions on dictMode 2018-06-13 14:58:36 -04:00
W. Felix Handte
529d3a5acd Convert Existing U32 extDict Vars to ZSTD_dictMode Enums 2018-06-13 14:58:36 -04:00
W. Felix Handte
33e2240fac Attach Dict When Using ZSTD_lazy Strategies 2018-06-13 14:58:36 -04:00
W. Felix Handte
90cfc799e5 Add _dictMatchState Stubs for ZSTD_lazy Functions 2018-06-13 14:58:36 -04:00
W. Felix Handte
a85ecb32bd Add dictMode Param to ZSTD_compressBlock_lazy_generic 2018-06-13 14:58:36 -04:00
Yann Collet
750ee87a92
Merge pull request #1175 from ryandesign/macos 
Fix name of macOS
 2018-06-13 11:32:06 -04:00
Yann Collet
b2632bcf6c
Merge pull request #1174 from duc0/document_default_level 
Expose ZSTD_CLEVEL_DEFAULT and update documentation
 2018-06-12 12:09:01 -07:00
Duc Ngo
869e2718f6 Line break 2018-06-11 10:02:15 -07:00
Duc Ngo
e8ef725e13 Address comments 2018-06-11 10:01:35 -07:00
Ryan Schmidt
b567ce9d68 Fix name of macOS 2018-06-09 14:31:17 -05:00
Duc Ngo
e34c000e44 Expose ZSTD_CLEVEL_DEFAULT and update documentation 2018-06-08 11:33:44 -07:00
Yann Collet
3050733042 Merge branch 'dev' into negLevels 2018-06-07 15:51:35 -07:00
Yann Collet
c2c47e24e0 support targetlen==0 with strategy==ZSTD_fast 
to mean "normal compression",
targetlen >= 1 now means "disable huffman compression of literals"
 2018-06-07 15:49:01 -07:00
Yann Collet
a57b4df85f removed literalCompression directive 
in this version, literal compression is always disabled for ZSTD_fast strategy.

Performance parity between ZSTD_compress_advanced() and ZSTD_compress_generic()
 2018-06-07 15:24:12 -07:00
Yann Collet
8537bfd85c fuzzer: make negative compression level fail 
result of ZSTD_compress_advanced()
is different from ZSTD_compress_generic()
when using negative compression levels
because the disabling of huffman compression is not passed in parameters.
 2018-06-07 15:12:13 -07:00
Yann Collet
8ef75547ef
Merge pull request #1165 from facebook/ctxSizeDown 
Dynamic context downsize
 2018-06-07 14:44:32 -07:00