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587 Commits

Author SHA1 Message Date
Stella Lau
15fdeb9e41 Enforce nbThreads<=1 for estimateCCtxSize 2017-08-24 16:28:49 -07:00
Stella Lau
1c81f725ff Remove duplicated testing code 2017-08-23 15:47:15 -07:00
Stella Lau
6f1a21c7e9 Remove formatting-only changes 2017-08-23 10:24:19 -07:00
Stella Lau
8fd1636776 Remove unused functions 2017-08-22 13:33:58 -07:00
Stella Lau
73c73bf16a Reduce code duplication in zstreamtest 2017-08-21 12:41:19 -07:00
Nick Terrell
3587556873 [cover] Test small maxdict 2017-08-21 11:16:47 -07:00
Stella Lau
91b30dbe84 Remove test parameter 2017-08-21 10:09:06 -07:00
Stella Lau
f181f33bdf Disable tests and refactor 2017-08-21 01:59:08 -07:00
Stella Lau
023b24e6d4 Add cctx param tests 2017-08-20 22:55:07 -07:00
Yann Collet
d6394cc4c3 fixed test-zstd-nolegacy 2017-08-20 10:15:44 -07:00
Yann Collet
32fb407c9d updated a bunch of headers 
for the new license
 2017-08-18 16:52:05 -07:00
Yann Collet
8049556928 Merge pull request #778 from terrelln/bad-huff 
[libzstd] Fix bug in Huffman decompresser
 2017-08-07 14:05:58 -07:00
Nick Terrell
abe12b3399 [libzstd] Fix bug in Huffman decompresser 
The zstd format specification doesn't enforce that Huffman compressed
literals (including the table) have to be smaller than the uncompressed
literals. The compressor will never Huffman compress literals if the
compressed size is larger than the uncompressed size. The decompresser
doesn't accept Huffman compressed literals with 4 streams whose compressed
size is at least as large as the uncompressed size.

* Make the decompresser accept Huffman compressed literals whose size
  increases.
* Add a test case that exposes the bug. The compressed file has to be
  statically generated, since the compressor won't normally produce files
  that expose the bug.
 2017-08-07 12:37:48 -07:00
Stella Lau
e1abc2a367 Switch the sleep function to UTIL_sleepMilli 2017-08-07 11:49:13 -07:00
Stella Lau
1e366f9dea Add test for deadlock 2017-08-02 11:27:50 -07:00
Stella Lau
5adceeed01 Allow queueSize=0 in pool.c and update poolTests 2017-07-31 10:10:16 -07:00
Yann Collet
38ba7002f2 fixed minor warning on unused variable in shell function 2017-07-20 18:39:04 -07:00
Yann Collet
5e6c5203f3 fixed fuzzer test for non OS-X platforms 2017-07-20 15:11:56 -07:00
Yann Collet
1ca1288689 added --memtest=# command to fuzzer 
to jump directly to relevant test section
 2017-07-19 16:01:16 -07:00
Yann Collet
44b0838253 Merge pull request #770 from terrelln/test-mode 
[zstdcli] Fix -t in streaming mode
 2017-07-18 15:40:59 -07:00
Nick Terrell
d0b27483ae [zstdcli] Fix -t in streaming mode 2017-07-18 14:45:49 -07:00
Nick Terrell
cc1522351f [libzstd] Fix bug in Huffman encoding 
Summary:
Huffman encoding with a bad dictionary can encode worse than the
HUF_BLOCKBOUND(srcSize), since we don't filter out incompressible
input, and even if we did, the dictionaries Huffman table could be
ill suited to compressing actual data.

The fast optimization doesn't seem to improve compression speed,
even when I hard coded fast = 1, the speed didn't improve over hard coding
it to 0.

Benchmarks:
$ ./zstd.dev -b1e5
Benchmarking levels from 1 to 5
 1#Synthetic 50%     :  10000000 ->   3139163 (3.186), 524.8 MB/s ,1890.0 MB/s
 2#Synthetic 50%     :  10000000 ->   3115138 (3.210), 372.6 MB/s ,1830.2 MB/s
 3#Synthetic 50%     :  10000000 ->   3222672 (3.103), 223.3 MB/s ,1400.2 MB/s
 4#Synthetic 50%     :  10000000 ->   3276678 (3.052), 198.0 MB/s ,1280.1 MB/s
 5#Synthetic 50%     :  10000000 ->   3271570 (3.057), 107.8 MB/s ,1200.0 MB/s
$ ./zstd -b1e5
Benchmarking levels from 1 to 5
 1#Synthetic 50%     :  10000000 ->   3139163 (3.186), 524.8 MB/s ,1870.2 MB/s
 2#Synthetic 50%     :  10000000 ->   3115138 (3.210), 370.0 MB/s ,1810.3 MB/s
 3#Synthetic 50%     :  10000000 ->   3222672 (3.103), 223.3 MB/s ,1380.1 MB/s
 4#Synthetic 50%     :  10000000 ->   3276678 (3.052), 196.1 MB/s ,1270.0 MB/s
 5#Synthetic 50%     :  10000000 ->   3271570 (3.057), 106.8 MB/s ,1180.1 MB/s
$ ./zstd.dev -b1e5 ../silesia.tar
Benchmarking levels from 1 to 5
 1#silesia.tar       : 211988480 ->  73651685 (2.878), 429.7 MB/s ,1096.5 MB/s
 2#silesia.tar       : 211988480 ->  70158785 (3.022), 321.2 MB/s ,1029.1 MB/s
 3#silesia.tar       : 211988480 ->  66993813 (3.164), 243.7 MB/s , 981.4 MB/s
 4#silesia.tar       : 211988480 ->  66306481 (3.197), 226.7 MB/s , 972.4 MB/s
 5#silesia.tar       : 211988480 ->  64757852 (3.274), 150.3 MB/s , 963.6 MB/s
$ ./zstd -b1e5 ../silesia.tar
Benchmarking levels from 1 to 5
 1#silesia.tar       : 211988480 ->  73651685 (2.878), 429.7 MB/s ,1087.1 MB/s
 2#silesia.tar       : 211988480 ->  70158785 (3.022), 318.8 MB/s ,1029.1 MB/s
 3#silesia.tar       : 211988480 ->  66993813 (3.164), 246.5 MB/s , 981.4 MB/s
 4#silesia.tar       : 211988480 ->  66306481 (3.197), 229.2 MB/s , 972.4 MB/s
 5#silesia.tar       : 211988480 ->  64757852 (3.274), 149.3 MB/s , 963.6 MB/s

Test Plan:
I added a test case to the fuzzer which crashed with ASAN before the patch
and succeeded after.
 2017-07-18 13:20:40 -07:00
Yann Collet
fa3aa04ccd Merge pull request #761 from paulcruz74/file-rename 
renamed pool.c to poolTests.c
 2017-07-14 09:09:45 -07:00
Yann Collet
3a60efd3a9 policy change : ZSTDMT automatically caps nbThreads to ZSTDMT_NBTHREADS_MAX (#760) 
Previously, ZSTDMT would refuse to create the compressor.
Also : increased ZSTDMT_NBTHREADS_MAX to 256,
updated doc,
and added relevant test
 2017-07-13 10:17:23 -07:00
Yann Collet
052a95f77c fix : ZSTDMT_compress_advanced() correctly generates checksum 
when params.fParams.checksumFlag==1.
This use case used to be impossible when only ZSTD_compress() was available
 2017-07-11 17:18:26 -07:00
Yann Collet
ef0ff7fe7f zstdmt: removed margin for improved memory usage 2017-07-11 08:54:29 -07:00
Yann Collet
4616fad18b improved ZSTDMT_compress() memory usage 
does not need the input buffer for streaming operations

also : reduced a few tests time length
 2017-07-10 17:16:41 -07:00
Yann Collet
670b1fc547 optimized memory usage for ZSTDMT_compress() 
Previously, each job would reserve a CCtx right before being posted.
The CCtx would be "part of the job description",
and only released when the job is completed (aka flushed).
For ZSTDMT_compress(), which creates all jobs first and only join at the end,
that meant one CCtx per job.
The nb of jobs used to be == nb of threads,
but since latest modification,
which reduces the size of jobs in order to spread the load of difficult areas,
it also increases the nb of jobs for large sources / small compression level.
This resulted in many more CCtx being created.

In this new version, CCtx are reserved within the worker thread.
It guaranteea there cannot be more CCtx reserved than workers (<= nb threads).

To do that, it required to make the CCtx Pool multi-threading-safe :
it can now be called from multiple threads in parallel.
 2017-07-10 16:30:55 -07:00
Yann Collet
3510efb02d fix : custom allocator correctly propagated to child contexts 2017-07-10 14:21:40 -07:00
Yann Collet
ee3423d709 extended fuzzer MT memory tests 2017-07-10 14:09:16 -07:00
Yann Collet
88da8f1816 fix : propagate custom allocator to ZSTDMT though ZSTD_CCtx_setParameter() 
also : compile fuzzer with MT enabled
 2017-07-10 14:02:33 -07:00
Yann Collet
f9524cf366 added --memtest to fuzzer 2017-07-10 13:48:41 -07:00
Yann Collet
e32fb0c1fe added ZSTD_sizeof_CCtx() test 2017-07-10 12:29:57 -07:00
Paul Cruz
89190ef07d renamed pool.c to poolTests.c 2017-07-10 11:32:30 -07:00
Yann Collet
ed0243a63c removed zbufftest from list of all tests 2017-07-07 16:16:14 -07:00
Yann Collet
990449b89d new field : ZSTD_frameHeader.frameType 
Makes frame type (zstd,skippable) detection more straighforward.
ZSTD_getFrameHeader set frameContentSize=ZSTD_CONTENTSIZE_UNKNOWN to mean "field not present"
 2017-07-07 15:21:35 -07:00
Yann Collet
7758ed8458 fixed fullbench, part 2 2017-07-06 02:48:00 -07:00
Yann Collet
9b2c1acfc0 fixed fullbench 2017-07-06 02:22:57 -07:00
Yann Collet
27e883371d fixed wrong assert() condition 
A single job created by ZSTDMT_compress() can be < 256KB
if data to compress is < 256 KB
(in which case it is delegated to single thread mode)
 2017-07-04 19:33:16 -07:00
Yann Collet
2cb9774f5e more precise estimation of amount to flush at end of stream (single thread mode) 
also : can use DEBUGLEVEL variable in /tests
 2017-07-04 12:39:26 -07:00
Yann Collet
5051dd39ca Merge pull request #743 from facebook/fullbench 
compress_generic() automatic optimization opportunities
 2017-07-03 21:26:38 -07:00
Yann Collet
95c4a6e2c8 Merge pull request #745 from terrelln/libfuzzer 
[fuzz] Add libFuzzer targets
 2017-07-03 15:15:20 -07:00
Nick Terrell
bea0f0cfa0 [fuzz] Move from fuzz/ to tests/fuzz/ 2017-07-03 12:40:12 -07:00
cyan4973
4b26306cb8 blindfix : fullbench's one-time leak, detected by valgrind 2017-07-01 08:03:59 -07:00
cyan4973
c07e43c2b5 added --show-leak-kind=all to valgrind tests 2017-07-01 07:05:11 -07:00
cyan4973
b5bb7c6d95 fixed Visual compilation of fullbench-dll 2017-06-29 19:59:37 -07:00
Yann Collet
e7e5a8cef7 made fullbench compatible with multi-threading 
fullbench 61/62 measure speed of ZSTD_compress_generic with 2 threads
 2017-06-29 18:56:24 -07:00
Yann Collet
afb0aca739 zstreamtest : big tests are only enabled in 64-bits mode 
to avoid requesting too much memory in 32-bits mode during MT tests
 2017-06-29 18:19:09 -07:00
Yann Collet
2e84bec9ac updated fullbench to also measure ZSTD_compress_generic() 
will make it possible to visualize
optimization opportunity for ZSTD_e_end
 2017-06-29 13:03:10 -07:00
Yann Collet
7303ed5d74 minor : specify compression level in tags 2017-06-29 11:30:31 -07:00
Yann Collet
590937df20 Merge pull request #739 from facebook/refPrefix 
ZSTD_refPrefix
 2017-06-29 04:36:03 -07:00
Yann Collet
811deaea6f Merge pull request #736 from terrelln/cover-default-api 
[zdict] Make COVER the default algorithm
 2017-06-28 20:25:36 -07:00
Yann Collet
ad5f29918e Merge pull request #737 from facebook/advancedAPI2 
simplified API for *initStatic*()
 2017-06-28 20:25:22 -07:00
Yann Collet
62f7efc04a added a test to ensure ZSTD_refPrefix() doesn't impact the following compression job 2017-06-28 16:25:13 -07:00
Paul Cruz
7ac4724bd2 removed fnum from DISPLAY statements 2017-06-28 13:00:49 -07:00
Paul Cruz
e667d33b0b fixed generation of buggy test, corrected DISPLAY statements for errors 2017-06-28 12:19:37 -07:00
Yann Collet
33a6639039 fixed ZSTD_refPrefix with Multithread-enabled CCtx 2017-06-28 11:09:43 -07:00
Yann Collet
1fd2df9c2c fixed zstreamtest 
modifying compression parameters is not allowed after ZSTD_CCtx_loadDictionary()
but it is still allowed after ZSTD_refPrefix()
 2017-06-28 09:57:59 -07:00
Yann Collet
2e4274262d controlled dictMode 2017-06-27 17:09:12 -07:00
Yann Collet
b7372933b8 implemented ZSTD_refPrefix() 2017-06-27 15:49:12 -07:00
Yann Collet
fecc721fd9 added parameter ZSTD_p_refDictContent 2017-06-27 11:46:39 -07:00
Yann Collet
09a5bbe22e Merge pull request #735 from terrelln/xz-default 
[zstdcli] Support xz by default when liblzma is available
 2017-06-27 09:42:02 -07:00
Nick Terrell
5b7fd7c422 [zdict] Make COVER the default algorithm 2017-06-26 21:09:22 -07:00
Yann Collet
20eeb243d1 Merge pull request #729 from paulcruz74/corpus 
Corpus
 2017-06-26 17:47:28 -07:00
Yann Collet
dde10b23fe refactored ZSTD_estimateDStreamSize() 
now uses windowSize as argument.
Also : created ZSTD_estimateDStreamSize_fromFrame()
 2017-06-26 17:44:26 -07:00
Yann Collet
09ae03a570 ZSTD_estimateCDictSize_advanced() 
ZSTD_estimateCDictSize() now uses same arguments as ZSTD_createCDict()
ZSTD_estimateCDictSize_advanced() uses same arguments as ZSTD_createCDict_advanced()
 2017-06-26 16:47:32 -07:00
Yann Collet
0c9a915a28 ZSTD_estimateCStreamSize_advanced() 2017-06-26 16:02:25 -07:00
Yann Collet
31af8290d1 ZSTD_estimateCCtx_advanced() 
ZSTD_estimateCCtx() is now a "simple" function,
taking int compressionLevel as single argument.

ZSTD_estimateCCtx_advanced() takes a CParams argument,
which is both more complete and more complex to generate.
 2017-06-26 15:52:39 -07:00
Nick Terrell
6aeb50ea0d [zstdcli] Add unlzma and unxz symlinks 2017-06-26 11:24:36 -07:00
Paul Cruz
298fe9f23b added cli tests to test-all 2017-06-23 17:10:41 -07:00
Paul Cruz
3a295a91f8 added additional condition so large offsets into the dictionary are not generated past windowSize 2017-06-23 15:54:51 -07:00
Paul Cruz
2085375816 fixed bug detected by the API test 2017-06-23 13:44:24 -07:00
Paul Cruz
8cd134559d type warnings 2017-06-23 12:00:48 -07:00
Paul Cruz
4219acc60a fixed bus error bug 2017-06-23 11:22:29 -07:00
Yann Collet
ef269c1b68 Merge pull request #725 from facebook/advancedAPI2 
New Advanced API
 2017-06-23 09:50:47 -07:00
Yann Collet
cca1ed14db Merge branch 'advancedAPI2' of github.com:facebook/zstd into advancedAPI2 2017-06-23 00:13:03 -07:00
Yann Collet
32f546c763 zstreamtest : disabled multi-threading tests with --newapi --no-big-tests 
--no-big-tests is typically used in combination with qemu-user-static
qemu-user-static allocated 4 GB of RAM upfront.
On 2 GB VM, this can degenerate into a crash.
It's not a problem as long as memory is not used.
But with multi-threading enabled, memory fragmentation kicks in,
so the amoung of RAM effectively touched increases,
and can pass beyond the 2 GB limit of the VM.

In single-threaded mode, there is no such issue :
memory requirement is smaller, and remains well-located,
so very little fragmentation is expected.

This modification should make `qemu-arm-static zstreamtests --newapi --no-big-tests`
work fine on Travis CI.
 2017-06-23 00:09:02 -07:00
Paul Cruz
2e8cc6f12a added sizeof for clarity 2017-06-22 15:52:33 -07:00
Paul Cruz
6d7f442120 changed makefile test 2017-06-22 15:44:01 -07:00
Paul Cruz
b325a2e4db changed assignment 2017-06-22 15:36:28 -07:00
Paul Cruz
2935239544 added description for dictionary cli tests 2017-06-22 15:23:59 -07:00
Paul Cruz
97a8f89bec made changes to cli test so it runs properly 2017-06-22 15:13:41 -07:00
Paul Cruz
829eb29033 added cli test for decodecorpus inside tests/Makefile. Also changed calculation of offset 2017-06-22 14:43:44 -07:00
Paul Cruz
028fb9d01b added cli test case in Makefile 2017-06-22 13:53:39 -07:00
Paul Cruz
98751f69e7 should be updating seed whenever multiple files are generated 2017-06-22 10:23:36 -07:00
Paul Cruz
84cfa07d2d changed format of command to --use-dict=# 2017-06-22 10:04:14 -07:00
Yann Collet
f99c2c1a22 reduced --no-big-tests even more 
to pass tests on qemu-aarch64
 2017-06-21 23:35:58 -07:00
Paul Cruz
04094f37e9 fixed offset in this case os that it always goes past src start 2017-06-21 18:47:40 -07:00
Yann Collet
49f8459d11 fixed minor cast warning 2017-06-21 18:43:39 -07:00
Paul Cruz
0950b3159a more meaningful names for count variables 2017-06-21 18:30:27 -07:00
Paul Cruz
0b6eedeace malloc samples instead of static allocation 2017-06-21 18:24:19 -07:00
Yann Collet
4d3bdcf130 reduced CLevelMax for --no-big-tests 2017-06-21 18:20:02 -07:00
Paul Cruz
52a13abf3f removed comment regarding windowSize requirement 2017-06-21 18:13:52 -07:00
Paul Cruz
32e36c2d9a removed requirement that offset be less than windowSize 2017-06-21 18:00:47 -07:00
Yann Collet
bfc2f00080 --no-big-tests for zstreamtest 
Apply --no-big-tests for tsan tests
 2017-06-21 17:57:14 -07:00
Paul Cruz
eeff2d0e3c added const x2 2017-06-21 17:48:37 -07:00
Paul Cruz
04253e21bb added const 2017-06-21 17:48:01 -07:00
Paul Cruz
2ceaec1aad got rid of unnecessary casting to void* 2017-06-21 17:46:37 -07:00
Paul Cruz
ccae9ec807 added comment addressing use of bits in frame header descriptor 2017-06-21 17:43:21 -07:00
Yann Collet
dce789281b fixed : decompression of skippable frames in streaming mode 2017-06-21 15:53:42 -07:00
Yann Collet
c16748b137 added test cases for new command --list 2017-06-21 12:09:53 -07:00
Yann Collet
7bd1a2900e added ZSTD_dictMode_e to control dictionary loading mode 2017-06-21 11:50:33 -07:00
Paul Cruz
db3606e249 added test for files with no frame content size 2017-06-20 17:43:36 -07:00
Paul Cruz
acf0df678c fixed strange spacing 2017-06-20 15:41:43 -07:00
Paul Cruz
69bc4fab25 free the context object once done with decompression 2017-06-20 15:37:14 -07:00
Paul Cruz
ceb4f65620 allocate statically so we don't have to deal with freeing 2017-06-20 15:31:54 -07:00
Paul Cruz
a73c2a444a added tests with null files, changed condition to check that the file is more than 0 bytes 2017-06-20 14:33:08 -07:00
Paul Cruz
58c19b4202 spacing matters for test scripts 2017-06-20 14:14:53 -07:00
Yann Collet
ff8f83bd47 fixed fuzzer test 2017-06-20 12:17:32 -07:00
Paul Cruz
b07d0af2ba added additional tests for error detection 2017-06-20 11:54:44 -07:00
Paul Cruz
43ffcdde40 const dictOffset 2017-06-20 11:27:39 -07:00
Paul Cruz
1e0d125e76 const value 2017-06-20 11:15:26 -07:00
Paul Cruz
0034129270 made changes to accommodate single file use case 2017-06-20 11:07:38 -07:00
Paul Cruz
6a99de2dd8 change test to list info on .zst files 2017-06-20 10:45:06 -07:00
Paul Cruz
36e14b1963 added description to advanced usage, changed to use-dict 2017-06-20 10:34:34 -07:00
Paul Cruz
15102069a1 removed testing code from generation code 2017-06-20 10:25:16 -07:00
Paul Cruz
ff5589c091 added comments for clarity 2017-06-20 10:17:38 -07:00
Paul Cruz
551fb7ca05 changed error condition 2017-06-20 10:14:03 -07:00
Paul Cruz
b8237c6c66 refactoring for readability 2017-06-20 10:12:13 -07:00
Paul Cruz
6f17de2132 changed computation for readability 2017-06-20 09:50:28 -07:00
Paul Cruz
4a4f9ba262 const value that doesn't change 2017-06-19 17:46:21 -07:00
Paul Cruz
3a6856edca changed scope to avoid errors 2017-06-19 17:43:16 -07:00
Paul Cruz
7d2b5613b4 adhere to min dict size 2017-06-19 17:37:14 -07:00
Paul Cruz
ea2af1ffc4 changed dictionary to stay reasonable size during test 2017-06-19 17:34:50 -07:00
Paul Cruz
fdbb07283a added test to runTestMode 2017-06-19 17:29:15 -07:00
Paul Cruz
bdec7b8ce7 fixed for loop declaration, fixed test case 2017-06-19 17:18:43 -07:00
Paul Cruz
23098b53e8 wrote a test for dictionary corpus 2017-06-19 17:13:00 -07:00
Paul Cruz
7a26390989 changing for loop declaration 2017-06-19 16:39:57 -07:00
Paul Cruz
147ef05f12 for loop declaration not allowed 2017-06-19 16:38:51 -07:00
Paul Cruz
791352ad0e scope change 2017-06-19 16:32:38 -07:00
Paul Cruz
365e265a8e changed scope so that warning disappears 2017-06-19 16:28:40 -07:00
Paul Cruz
f4f928595b changed scope to get rid of mixed code/variables warning 2017-06-19 16:27:05 -07:00
Paul Cruz
7ea025cc7d added in struct to keep functions more orderly 2017-06-19 16:23:00 -07:00
Paul Cruz
b91b810c64 made some small changes to dictInfo struct and initDictInfo 2017-06-19 16:05:05 -07:00
Paul Cruz
1ee4f6b36c cleaning up code 2017-06-19 15:55:01 -07:00
Paul Cruz
2a52d72712 added comment to anotate decompressed error code 2017-06-19 14:21:35 -07:00
Paul Cruz
73ebb646d8 small stylistic changes 2017-06-19 14:20:35 -07:00
Paul Cruz
34f4e5cab2 changed if statement styling 2017-06-19 14:07:56 -07:00
Paul Cruz
1fc1a35dc4 added calls to free to match calls to malloc, made some stylistic changes, added init function for new struct 2017-06-19 14:02:27 -07:00
Paul Cruz
8f4fa43fe8 got files to decompress 2017-06-19 13:21:50 -07:00
Yann Collet
688952062b minor declaration statement warning fix 2017-06-19 11:53:42 -07:00
Yann Collet
d7a3bffba9 new api : setting compression parameters is refused if a dictionary is already loaded 2017-06-19 11:53:01 -07:00
Paul Cruz
da4ddc1f76 fixed decompression so that it uses compressed version 2017-06-19 11:40:45 -07:00
Paul Cruz
33467add60 made changes so that HUF_writeCTable no longer fails 2017-06-19 11:27:50 -07:00
Yann Collet
ed1d039127 newapi fuzzer tests : random flush orders in main loop 2017-06-19 11:07:33 -07:00
Paul Cruz
09ac51b56b small style changes 2017-06-19 09:24:38 -07:00
Yann Collet
f5deae8a67 new api fuzzer tests : frame parameters are randonly set 2017-06-18 23:41:38 -07:00
Yann Collet
ea3630a889 new api fuzzer set : dictionary is randomly set 2017-06-18 23:31:55 -07:00
Yann Collet
8dee0ec99e new api fuzzer tests : compression parameters are randomly set 2017-06-18 23:25:15 -07:00
Yann Collet
bd05b19713 removed macro CLAMP from decodecorpus 
never used,
and would duplicate with CLAMP from zstd_compress.c
 2017-06-16 18:16:27 -07:00