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Author SHA1 Message Date
Yann ColletandGitHub 33dfc54069 Merge pull request #1124 from terrelln/playtests-gnu 
Write to /dev/random for test
 2018-05-09 09:39:02 -07:00
Nick Terrell 2dde9d5aba Write to /dev/random for test 2018-05-08 11:06:01 -07:00
Yann ColletandGitHub 87125c2c01 Merge pull request #1122 from facebook/fixCDictBlock 
fix ZSTD_compressBlock() associated with ZSTD_CDict
 2018-05-07 17:13:59 -07:00
Yann Collet ad4524d605 fix ZSTD_compressBlock() associated with CDict 
reported by @let-def.

It's actually a bug in ZSTD_compressBegin_usingCDict()
which would pass a wrong pledgedSrcSize value (0 instead of ZSTD_CONTENTSIZE_UNKNOWN)
resulting in wrong window size, resulting in downsized seqStore,
resulting in segfault when writing into the seqStore later in the process.

Added a test in fuzzer to cover this use case (fails before the patch).
 2018-05-07 12:54:13 -07:00
Yann ColletandGitHub ef1abd3c07 Merge pull request #1120 from lamby/897904-libzstd-please-make-the-build-reproducible 
Make the build reproducible
 2018-05-04 12:39:40 -07:00
Chris Lamb 2dbe408a49 Make the build reproducible 
Whilst working on the Reproducible Builds effort [0], we noticed
that zstd could not be built reproducibly.

This is due to the manual page encoding the number of CPUs from the
build machine and thus varies across builds.

This was originally filed in Debian as #897904 [1].

 [0] https://reproducible-builds.org/
 [1] https://bugs.debian.org/897904

Signed-off-by: Chris Lamb <lamby@debian.org>
 2018-05-04 08:39:51 -07:00
Yann ColletandGitHub 5ec92c4d96 Merge pull request #1118 from terrelln/playtests-typo 
Fix playTests.sh typo
 2018-05-03 14:26:26 -07:00
Nick Terrell 263134ce66 Fix playTests.sh typo 
Thanks to @mestia for reporting and finding the bug!
Fixes #1116.
 2018-05-03 13:03:08 -07:00
cyan4973 b095bffac6 ignore Windows build/test artefacts 2018-05-01 05:45:46 -07:00
Yann ColletandGitHub 1fc15dfd9d Merge pull request #1114 from pseiderer/ps-devel-001 
Split library install target into pc, static, shared and include only target
 2018-04-30 14:59:59 -07:00
Yann Collet 82ad249645 Clarifications of Zstandard format specification 
from IETF RFC review
 2018-04-30 12:36:55 -07:00
Peter Seiderer 64bfdca5b9 Split library install target into pc, static, shared and include only target 
Signed-off-by: Peter Seiderer <ps.report@gmx.net>
 2018-04-30 20:32:32 +02:00
Yann ColletandGitHub a11f0c67bb Merge pull request #1113 from terrelln/dict-fix 
Fix parameter adjustment with dictionary
 2018-04-26 10:31:25 -07:00
Nick Terrell ca77822ddf Fix parameter adjustment with dictionary 
The new advanced API basically set `requestedParams = appliedParams` when
using a dictionary. This halted all parameter adjustment, which can hurt
compression ratio if, for example, the window log is small for the first
call, but the rest of the files are large.

This patch fixes the bug, and checks that the `requestedParams` don't change
in the new advanced API when using a dictionary, and generally in the fuzzer.
 2018-04-25 16:32:29 -07:00
Yann Collet 12f60b8c98 clarified documentation related to refPrefix() 2018-04-25 10:17:06 -07:00
Yann ColletandGitHub 449cccf6c9 Merge pull request #1112 from facebook/lz4dec 
fixed decoding bogus lz4 frame
 2018-04-24 16:50:54 -07:00
Yann Collet ace856a835 updated documentation of streaming compression api 2018-04-24 14:44:27 -07:00
cyan4973 62487b5e76 fixed decoding bogus lz4 frame 
FIO would keep presenting data after an LZ4F decoding error
resulting in a NULL pointer dereference
when associated with older liblz4 version (< v1.8.1.2)
 2018-04-23 18:50:16 -07:00
taigaconandNick Terrell 2c3ad05812 Fix the problem that enables DYNAMIC_BMI2 macro by mistake on ARM architecture with Clang (#1110) 2018-04-23 15:41:50 -07:00
Yann ColletandGitHub 9de03cd748 Merge pull request #1107 from terrelln/reset-params 
Add ZSTD_CCtx_resetParameters() function
 2018-04-13 13:23:47 -07:00
Nick Terrell e8c9dc5cea Fix documentation 2018-04-13 12:43:38 -07:00
Nick Terrell c0987986e5 Only reset CDict in ZSTD_CCtx_resetParameters() 2018-04-13 11:26:40 -07:00
Nick Terrell 9f76eebd17 Add ZSTD_CCtx_resetParameters() function 
* Fix docs for `ZSTD_CCtx_reset()`.
* Add `ZSTD_CCtx_resetParameters()`.

Fixes #1094.
 2018-04-12 16:54:07 -07:00
Nick TerrellandGitHub 3c3f59e68f Enforce pledgeSrcSize whenever known (#1106) 
The test fails before the patch and passes after.

Fixes #1095.
 2018-04-12 16:02:03 -07:00
Yann ColletandGitHub 1f25b17c7d Merge pull request #1105 from terrelln/get-param 
Add ZSTD_CCtx(Param)?_getParameter() function
 2018-04-12 13:25:57 -07:00
Nick Terrell 280a236e9e Add ZSTD_CCtx(Param)?_getParameter() function 
Closes #1096.
 2018-04-12 11:50:12 -07:00
Yann Collet 04212178b5 doc : clarified advanced API usage 
sticky parameters only work with `ZSTD_compress_generic()`
 2018-04-10 11:40:36 -07:00
Yann Collet ad5ba6cdcf updated comment on parameters that can be changed during compression 2018-04-09 17:39:07 -07:00
Yann ColletandGitHub 1da629f2ad Merge pull request #1104 from terrelln/fast-train 
Allow negative compression levels in training
 2018-04-09 14:16:20 -07:00
Nick Terrell 569e2abccd Allow negative compression levels in training 
* Set `dictCLevel` in `zstdcli.c`.
* Only set to default level if the compression level `== 0`, not `<= 0`.
 2018-04-09 12:12:03 -07:00
Yann ColletandGitHub 77e373bff5 Merge pull request #1103 from kilobyte/dev 
Fix riscv.
 2018-04-09 11:12:51 -07:00
Adam Borowski 00d52282d0 Use -pthread rather than -lpthread. 
It can have other effects, such as pulling in extra libraries.  Without it,
riscv build fails with undefined reference to `__atomic_compare_exchange_1'.
 2018-04-09 01:50:49 +02:00
Yann ColletandGitHub 4195b36dd7 Merge pull request #1100 from bket/stable_sort 
zstd requires a stable sort.
 2018-04-05 11:39:27 -07:00
Yann Collet f35b8ba9da updated ZSTD_p_chainLog description 2018-04-05 11:05:11 -07:00
Yann ColletandGitHub b1e4d891cf Merge pull request #1099 from bket/fix_typo 
fix typo in programs/zstd.{1,1.md}
 2018-04-05 10:30:35 -07:00
Björn Ketelaars 462aed6811 zstd requires a stable sort. 
On OpenBSD qsort() is not guaranteed to be stable, their mergesort() is.
This fixes issue #1088. All the hard work has been done by @terrelln.
 2018-04-05 07:59:16 +02:00
Björn Ketelaars e5ea8d272a fix typo in programs/zstd.{1,1.md} 
s/nodictID/no-dictID/g
 2018-04-05 06:44:46 +02:00
Yann ColletandGitHub 55f67502f4 Merge pull request #1098 from terrelln/nd-mt 
Only load extra table positions for CDicts
 2018-04-02 15:38:20 -07:00
Nick Terrell 295ab0dbfa Only load extra table positions for CDicts 
Zstdmt uses prefixes to load the overlap between segments. Loading extra
positions makes compression non-deterministic, depending on the previous
job the context was used for. Since loading extra position takes extra
time as well, only do it when creating a `ZSTD_CDict`.

Fixes #1077.
 2018-04-02 14:41:30 -07:00
Yann ColletandGitHub e866f0919f Merge pull request #1089 from bket/portability 
examples/Makefile assumes GNU make.
 2018-04-02 14:16:16 -07:00
Yann ColletandGitHub 5b616fa269 Merge pull request #1090 from bket/openbsd 
Fix building zstd on OpenBSD.
 2018-04-02 14:15:26 -07:00
bketandNick Terrell daf3ab0aad Make sure that make check runs on OpenBSD. (#1091) 
OpenBSD uses md5 instead of md5sum, and has no device called full.

With this patch, make check runs until #1088. With the assumption made
in the issue make check runs succesfully.
 2018-04-02 14:12:18 -07:00
Yann ColletandGitHub 754a821f17 Merge pull request #1080 from facebook/getFrameHeader 
added ZSTD_getFrameHeader_advanced()
 2018-04-01 14:27:46 -07:00
Björn Ketelaars 9d3048346d Fix building zstd on OpenBSD. 2018-03-31 10:46:20 +02:00
Björn Ketelaars b7e2c8e723 examples/Makefile assumes GNU make. 
This fixes a building issue on systems that default to a different
flavour of make (as is the case with OpenBSD).
 2018-03-31 10:25:12 +02:00
Yann Collet 8be984ec45 fixed comments as suggested by @terrelln 2018-03-30 20:09:27 -07:00
Yann ColletandGitHub 7188862d32 Merge pull request #1086 from hagemt/hagemt-patch-1 
Correct small typo in manual (man file and markdown)
 2018-03-30 20:45:10 -06:00
Tor E HagemannandGitHub c7a5e60bc6 Update zstd.1.md 2018-03-30 15:25:32 -07:00
Tor E HagemannandGitHub 292d370ab4 Update zstd.1 2018-03-30 14:53:57 -07:00
Yann ColletandGitHub 678d0cacbf Merge pull request #1079 from facebook/ovlog 
restore ability to set overlapLog
 2018-03-30 15:52:07 -06:00