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Author SHA1 Message Date
Yann Collet
e4ae24c229
Merge pull request #1420 from felixhandte/zstd-decompress-minimal 
Various Macros to Allow Building Extremely Minimal Decoder Library
 2018-12-20 15:17:37 -08:00
Yann Collet
6e9512a70c
Merge pull request #1463 from yijinfb/getenv 
Add support for environment variable ZSTD_CLEVEL in CLI
 2018-12-20 15:17:00 -08:00
Yann Collet
95784c654c fixed shadowing of stat variable 
some standard lib declares a `stat` variable at global scope
shadowing local declarations ....
 2018-12-20 14:56:44 -08:00
Yann Collet
e129174d1d fixed shadowing of variable time 
some standard lib do define `time` as a global variable
shadowing local declarations ...
 2018-12-20 14:54:05 -08:00
Yann Collet
0ed8ee4a37 fixed wrong assert condition 2018-12-20 14:46:23 -08:00
Yann Collet
ffba142406 fixed file identity detection in 32-bit mode 
also :
some library decided to use `index` as a global variable declared in standard header
shadowing the ones used in fastcover.c  :(
 2018-12-20 14:30:30 -08:00
Yann Collet
65a441a8f0 fixed stdlib implementation of time functions 
generated redefinitions
 2018-12-20 14:02:50 -08:00
Yann Collet
72dbf1bcd0 removed strncpy() from util.c 
as Visual surprisingly complains about their usage.
Replaced by memcpy()
 2018-12-20 12:27:12 -08:00
W. Felix Handte
91b7309115 Mask Off Unused Functions When ZSTD_FORCE_DECOMPRESS_SEQUENCES_LONG 2018-12-20 12:20:34 -08:00
W. Felix Handte
038aabde28 Mask Off Unused Functions When ZSTD_FORCE_DECOMPRESS_SEQUENCES_SHORT 2018-12-20 12:15:07 -08:00
W. Felix Handte
9b944041da Update Travis Jobs to Run Shorter Tests with -Werror 2018-12-20 12:10:51 -08:00
Yann Collet
105fa953cb use strerror() to generate error message 
as suggested by @terrelln .

also:
- hopefully fixed Windows version
- changed the test, so that it passes on non-english OS stdlib errors.
 2018-12-20 09:16:40 -08:00
Yi Jin
9b2d708850 change function name: _readU32FromChar() -> readU32FromCharChecked() 2018-12-19 23:41:18 -08:00
Yann Collet
de4eb06a77 fixed 1 transitive include 2018-12-19 18:38:37 -08:00
Yann Collet
26d66942ef
Merge pull request #1464 from facebook/sysErrStr 
add more system error strings
 2018-12-19 18:33:10 -08:00
Yann Collet
173ef9dea2 fixed : detection of non-existing file 
better error message
with test
 2018-12-19 18:30:57 -08:00
Yi Jin
f7b1841b6f make init_cLevel(...) static 2018-12-19 17:56:45 -08:00
Yann Collet
a835e9cb81
Merge pull request #1461 from terrelln/regression 
[regression] Add more configs
 2018-12-19 17:53:15 -08:00
Yi Jin
30ffc24ad7 fix the code ahead of declaration issue 2018-12-19 17:49:04 -08:00
Yann Collet
bb7e6018af
Merge pull request #1462 from facebook/btultra2.3 
fixed ossfuzz 11849
 2018-12-19 17:48:11 -08:00
Yi Jin
0700335f57 change int init_cLevel() to int init_cLevel(void) 2018-12-19 17:38:28 -08:00
Yann Collet
0f2d443e10 added system error strings 
to more failure cases in fileio.c
as requested by fbpkg
 2018-12-19 17:25:58 -08:00
Yi Jin
cdc7bbf8b2 edit README.md 2018-12-19 17:09:54 -08:00
Yi Jin
29c7d82390 add a section on restricted support of environment variables to README.md 2018-12-19 17:06:56 -08:00
Yann Collet
2898afab52 fixed OSSfuzz 11849 
The problem was already masked,
due to no longer accepting tiny blocks for statistics.

But in case it could still happen with not-so-tiny blocks,
there is a stricter control which ensures that
nothing was already loaded prior to statistics collection.
 2018-12-19 16:54:15 -08:00
Yi Jin
26a9ae3f5f refactor readU32FromChar(...), improve init_cLevel(...), and add env var ZSTD_CLEVEL tests 2018-12-19 16:45:42 -08:00
Nick Terrell
6e6315ae46 [regression] Add more configs 
* Add configs that test multithreading, LDM, and setting explicit
  parameters.
* Update the `compress cctx` method to accept `ZSTD_parameters`.
* Compile against the multithreaded `libzstd.a`.
* Update `results.csv` for the new configs.

Unless you think there are more configs/methods I should test, I think
we have a fairly wide set of configs/methods, so I'll pause adding
more for now.
 2018-12-19 16:36:26 -08:00
Yann Collet
2f67ac3dce
Merge pull request #1460 from facebook/btultra2.2 
fixed: compression ratio discrepancy
 2018-12-19 15:00:15 -08:00
Yann Collet
78c4ea4930 added tests case 2018-12-19 14:10:27 -08:00
Yi Jin
5324b1e386 add support for setting compression level through environment variable ZSTD_CLEVEL 2018-12-19 13:26:27 -08:00
W. Felix Handte
8e61ac8161 Use Unused Variable in ERR_getErrorString() 2018-12-19 12:36:10 -08:00
Yann Collet
d99ed4740d
Merge pull request #1454 from lzutao/readme 
README: Explain a little bit about Meson build
 2018-12-19 10:43:27 -08:00
Yann Collet
8e0e495ce8 fixed: compression ratio discrepancy 
depending on initialization,
the first byte of a new frame was invalidated or not.

As a consequence, one match opportunity was available or not,
resulting in slightly different compressed sizes
(on average, 1 or 2 bytes once every 20 frames).

It impacted ratio comparison between one-shot and streaming modes.

This fix makes the first byte of a new frame always a valid match.
Now compressed size is always the same.
It also improves compressed size by a negligible amount.
 2018-12-19 10:11:06 -08:00
Lzu Tao
c4b9b8aa52 README: Explain a bit more about Meson build [skip ci] 
- Increase one heading level. Now headings is bigger and prettier.
 2018-12-19 12:52:30 +07:00
Nick Terrell
3a4634f2af
Merge pull request #1459 from terrelln/destroy 
[zstdcli] Refuse to overwrite input file
 2018-12-18 17:03:54 -08:00
Nick Terrell
7abd6acebf Also compare device thanks to @felixhandte 2018-12-18 15:40:27 -08:00
Nick Terrell
cd2c8defad [zstdcli] Refuse to overwrite input file 
Compare the input and output files by their inode number and
refuse to open the output file if the input file is the same.

This doesn't work when (de)compressing multiple files to a single
file, but that is a very uncommon use case, mostly used for
benchmarking by me.

Fixes #1422.
 2018-12-18 15:29:54 -08:00
Yann Collet
d0e15f8d32
Merge pull request #1458 from terrelln/estimate 
[libzstd] Fix estimate with negative levels
 2018-12-18 15:12:21 -08:00
Yann Collet
04baecaeed
Merge pull request #1457 from facebook/btultra2.1 
btultra2 and very small input
 2018-12-18 14:46:55 -08:00
Nick Terrell
d7def456d8 [libzstd] Fix estimate with negative levels 
* Fix `ZSTD_estimateCCtxSize()` with negative levels.
* Fix `ZSTD_estimateCStreamSize()` with negative levels.
* Add a unit test to test for this error.
 2018-12-18 14:24:49 -08:00
Yann Collet
ef984e7307 fix debug levels 
as reported by @terrelln.
2 is reserved for temporary usage only.
 2018-12-18 13:40:07 -08:00
W. Felix Handte
0d606ee3db Fix Incorrect assert() 2018-12-18 13:36:39 -08:00
W. Felix Handte
bd4afc389f Add Logic to Makefile to Convert Make Vars to Defines 2018-12-18 13:36:39 -08:00
W. Felix Handte
ece2c18372 Document Macros in README 2018-12-18 13:36:39 -08:00
W. Felix Handte
4e2f6c110e Add Contbuild Tests 2018-12-18 13:36:39 -08:00
W. Felix Handte
c2d51637d9 Add Mutual-Exclusion Error 2018-12-18 13:36:39 -08:00
W. Felix Handte
c560e34c86 Add HUF_FORCE_DECOMPRESS_X2 2018-12-18 13:36:39 -08:00
W. Felix Handte
abd1567d3c Move HUF_DGEN Up Out of X1 Definitions 2018-12-18 13:36:39 -08:00
W. Felix Handte
4a0572b215 Refactor Huffman Decompression Away From Ternary Tree in ZSTD_decodeLiteralsBlock 2018-12-18 13:36:39 -08:00
W. Felix Handte
432314b58a Rename HUF_DECOMPRESS_MINIMAL -> HUF_FORCE_DECOMPRESS_X1 2018-12-18 13:36:39 -08:00