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v1.3.7
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Author SHA1 Message Date
Yann Collet 21cd8a9d95 minor NEWS update for v1.3.7 v1.3.7 2018-10-16 20:58:52 -07:00
Yann ColletandGitHub 374f2b4d03 Merge pull request #1372 from samrussell/dev 
Add man pages for zstdgrep and zstdless
 2018-10-16 10:09:33 -07:00
Sam Russell 622699706c fix up zgrep/zless references 2018-10-16 08:42:02 +13:00
Sam Russell 490f652974 Add man pages for zstdgrep and zstdless 2018-10-15 22:25:03 +13:00
Yann Collet a2708de834 update NEWS for v1.3.7 2018-10-11 16:49:55 -07:00
Yann ColletandGitHub 5d419071be Merge pull request #1369 from facebook/v137 
bumped version number to v1.3.7
 2018-10-11 15:59:57 -07:00
Yann ColletandGitHub 02e5c03f24 Merge pull request #1366 from facebook/fix_strncat 
fixed minor gcc warning
 2018-10-11 14:58:00 -07:00
Yann Collet 1e6208e75e bumped version number to v1.3.7 
updated documentation
 2018-10-11 14:40:12 -07:00
Yann ColletandGitHub 7ee135bd8e Merge pull request #1367 from atdt/dev 
Enable use of bswap intrinsics in clang
 2018-10-11 12:49:25 -07:00
Ori Livneh f31715f5e0 Enable use of bswap intrinsics in clang 
Necessary because clang disguises itself as an older (__GNUC_MINOR__ = 2) GCC.
 2018-10-11 15:01:09 -04:00
Yann ColletandGitHub d28b80e363 Merge pull request #1365 from facebook/bitspeed 
Improved decompression speed
 2018-10-10 19:16:35 -07:00
Yann Collet 6ed3b526e4 restored bitMask for shift values 
since corrupted bitstreams can generate too large values.

This slightly reduces the benefits from clang on my laptop.
gcc results and code generation are not affected.
 2018-10-10 18:29:50 -07:00
Yann Collet c012e9540a removed one assert() 
that can be triggered by a corrupted bitstream.
 2018-10-10 17:33:04 -07:00
Yann Collet 433059bbb2 fixed minor gcc warning 
gcc-8 on Linux doesn't like usage of strncat :
`warning: ‘strncat’ output truncated before terminating nul copying as many bytes from a string as its length`.

Not sure what was wrong, it might be a false positive,
but the logic is simple enough to replaced by a simple `memcpy()`,
thus avoiding the shenanigans of null-terminated strings.
 2018-10-10 17:06:25 -07:00
Yann Collet 7791f192ee removed one assert() 
which can be triggered when input is corrupted.
 2018-10-10 16:39:15 -07:00
Yann Collet d3ec23313d improved decompression speed 
while reviewing #1364,
I found a decompression speed improvement.

On my laptop, the new code decompresses +5-6% faster on clang
and +2-3% faster on gcc.

not bad for an accidental optimization...
 2018-10-10 15:48:43 -07:00
Yann ColletandGitHub 8d2c844cf1 Merge pull request #1363 from facebook/backtrace 
backtrace support compiled with more conditions
 2018-10-10 09:37:33 -07:00
Yann Collet b304b679e5 use #if BACKTRACE_ENABLE directly 
as suggested by @terrelln
 2018-10-09 17:56:59 -07:00
Julian Fessard 0ea286f740 Merge branch 'backtrace' of github.com:facebook/zstd into backtrace 2018-10-09 17:24:48 -07:00
Julian Fessard 70d8c2a031 fileio.c: Disable backtrace when built with address sanitizer 
Covers clang and gcc's sanitizer flags.
Can still be overridden through CFLAGS on commandline.
 2018-10-09 17:14:57 -07:00
Yann Collet e0ab6b61b7 fixed explicit BACKTRACE order 
and automatic linux backtrace detection :
__GLIBC__ must be tested after #include <features.h>
 2018-10-09 17:12:21 -07:00
Yann Collet 1e0c5466c5 fixed BACKTRACE_ENABLE macro test 2018-10-09 16:36:57 -07:00
Yann ColletandGitHub 942df522cc Merge pull request #1361 from facebook/streamdoc 
Clarify streaming api doc
 2018-10-08 19:19:34 -07:00
Yann ColletandGitHub 92192b267c Merge pull request #1362 from felixhandte/fix-btlazy-skipping 
`ZSTD_btlazy2`: Avoid Erroneously Trampling on Match with Worse Dictionary Match
 2018-10-08 17:06:43 -07:00
Yann Collet f17c1df1ac backtrace support compiled with more conditions 
following #1356,
only enable backtrace compilation on linux+glibc.

Also, disable backtrace by default from "release" compilation,
so that less platforms get impacted by the new requirements.
Can be manually enabled/disabled using BACKTRACE=1/0.
 2018-10-08 17:03:06 -07:00
Yann ColletandGitHub 4083bdc8f2 Merge pull request #1356 from maxice8/fix-musl 
don't assume __linux__ means __GLIBC__ on BACKTRACES_ENABLE
 2018-10-08 16:43:30 -07:00
W. Felix Handte b8235be865 Avoid Searching Dictionary in ZSTD_btlazy2 When an Optimal Match is Found 
Bailing here is important to avoid reading past the end of the input buffer.
 2018-10-08 15:59:32 -07:00
W. Felix Handte d121b3451c Clean Up Debug Log Statements 2018-10-08 15:59:32 -07:00
W. Felix Handte 08da9ad316 Remove Unused Variable 2018-10-08 15:59:32 -07:00
Yann Collet 8fc79fac07 clarify streaming api doc 
as suggested by @indygreg in #1360
 2018-10-08 15:53:29 -07:00
maxice8 1d75697d9b don't assume __linux__ means __GLIBC__ on BACKTRACES_ENABLE 
check for __GLIBC__ instead of __linux__ as musl libc doesn't provide
execinfo.h

fixes compilation on Alpine Linux and Void Linux musl arches.
 2018-10-05 21:23:45 -03:00
Yann Collet 33d643124d fixed fullbench-lib target 2018-10-04 18:12:36 -07:00
Yann ColletandGitHub 0854b06d1b Merge pull request #1351 from facebook/haikubuild 
portability macro flags updates, for Haiku
 2018-10-04 14:59:35 -07:00
Yann ColletandGitHub 1f8a3df6d8 Merge pull request #1353 from facebook/paramgrill 
fixed paramgrill wrong assert() conditions
 2018-10-04 14:59:14 -07:00
Yann Collet d4eba30bb3 Merge branch 'dev' of github.com:facebook/zstd into dev 2018-10-04 14:39:35 -07:00
Yann Collet 68bec4c5bb added graph for ZSTD_compress_usingCDict() in v1.3.6 2018-10-04 14:39:11 -07:00
Yann ColletandGitHub a9217c93b8 Merge pull request #1352 from facebook/visual 
fixed VS2017Community build script
 2018-10-04 14:30:02 -07:00
Yann Collet efbc3e823d fixed paramgrill wrong assert() conditions 
and slightly refactored affected function.

Honestly, the formula calculating variance should get a second reviewing round,
it's not clear if it's correct.
 2018-10-04 14:27:13 -07:00
Yann Collet 9ac8f2d7b9 fixed VS2017Community build script 
reported by @epicabsol
 2018-10-03 18:42:44 -07:00
Yann Collet 11cd2ea43d finalized minor warnings on Haiku 2018-10-03 16:37:50 -07:00
Yann Collet 4a85b126d9 changed ZSTD_NANOSLEEP_SUPPORT definition 
to please `-Wexpansion-to-defined`
 2018-10-03 15:34:41 -07:00
Yann Collet 549c19b42e portability macro flags updates, for Haiku 
some non-trivial changes to platform.h and util.h,
initially related to compilation for Haiku,
but I used this opportunity to make them cleaner
and add some documentation.

Noticed several tests that could be improved
(too harsh conditions, useless exception, etc.)
but I did not dare modifying too many tests just before release.
 2018-10-03 14:56:46 -07:00
Yann ColletandGitHub bc93b801f0 Merge pull request #1330 from korli/haiku 
Enable building zstd on Haiku.
 2018-10-03 13:36:00 -07:00
Yann Collet b1407f9acd fixed wrong assert() position 
could fire on invalid input.
blocking for afl tests.
 2018-10-03 12:43:59 -07:00
Yann ColletandGitHub 63f8fb07ec Merge pull request #1350 from facebook/fixmsan 
fixed msan warning
 2018-10-03 12:01:45 -07:00
Jerome Duval 87c10e2f58 Enable building zstd on Haiku. 2018-10-03 09:51:56 +02:00
Yann Collet 22ddf3523a fixed msan warning 
on btlazy2 strategy with dictAttach
 2018-10-02 18:20:20 -07:00
Yann ColletandGitHub c9843ec232 Merge pull request #1348 from facebook/donotdelete 
Fix #1082
 2018-10-02 16:37:58 -07:00
Yann Collet 3ca6261223 fixed static analyzer warnings 
note : for some reason,
scan-build version on my laptop found problems within fastcover.c
that scan-build on travisCI does not flag.

They are, as usual, false positive :
the analyzer does not understand that a table (`offset`) is correctly filled before usage.
 2018-10-02 15:59:11 -07:00
Yann Collet d98733b37e restored backtrace on failure 
for Linux and Mac OS-X.

Note : the backtraces fires up through a trap
before the sanitizer get a chance to report.
There are situations where the sanitizer report is actually preferable.

It might be good to consider a kind of build macro
which can disable backtrace
when sanitizer is enabled.
 2018-10-01 17:50:16 -07:00