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117 Commits

Author SHA1 Message Date
Yann Collet
c198a39a66 LZ4_initStream() checks alignment restriction 
updated associated documentation
 2019-04-08 12:49:54 -07:00
Yann Collet
34f0004a5e added comment on initStream + _extState_ 
as suggested by @felixhandte
 2019-04-05 15:35:19 -07:00
Yann Collet
2ece0d8380 created LZ4_initStream() 
- promoted LZ4_resetStream_fast() to stable
- moved LZ4_resetStream() into deprecate, but without triggering a compiler warning
- update all sources to no longer rely on LZ4_resetStream()

note : LZ4_initStream() proposal is slightly different :
it's able to initialize any buffer, provided that it's large enough.
To this end, it accepts a void*, and returns an LZ4_stream_t*.
 2019-04-05 12:56:26 -07:00
Yann Collet
7a39fb8fb6 make _fast*() decoder generate a deprecation warning 
updated modification
 2019-04-04 12:47:36 -07:00
Yann Collet
ab91300509 moved LZ4_decompress_fast*() into deprecated section 2019-04-04 12:24:46 -07:00
Yann Collet
50f01d881d fixed doc 
and bumped version number fo v1.9.0
 2019-04-03 14:27:21 -07:00
Yann Collet
1b819bfd63
Merge pull request #593 from felixhandte/lz4hc-publish-static 
Extend Macro to Allow Publishing Experimental LZ4HC Functions in Dynamic Libraries
 2018-10-16 15:33:58 -07:00
W. Felix Handte
45dc195f84 Change Comment and Make LZ4LIB_STATIC_API Available to LZ4HC 2018-10-15 17:22:37 -07:00
Oleg Khabinov
28eb88d988 Some followups and renamings 2018-10-01 15:19:45 -07:00
Oleg Khabinov
f2ae385c2f Rename initCheck to dirtyContext and use it in LZ4_resetStream_fast() to check if full reset is needed. 2018-09-28 14:55:05 -07:00
Yann Collet
c4c19c74b8 changed LZ4_streamDecode member order 
to reduce memory usage on 128-bits systems
 2018-09-25 14:43:19 -07:00
Yann Collet
6381d828fd increase size of LZ4 contexts for 128-bit systems 2018-09-17 17:31:57 -07:00
Yann Collet
a803230f67 unpublish static-only function 
these functions are now unpublished in dll by default.
One needs to opt-in, using macro LZ4_PUBLISH_STATIC_FUNCTIONS.

used this opportunity to update a bunch of api comments in lz4.h
 2018-09-13 16:02:11 -07:00
Yann Collet
b87a8e9e62 fixed minor warning in fuzzer.c 
added a few more comments and assert()
 2018-09-10 16:48:41 -07:00
Yann Collet
eaed9ea4a1 updated function interface documentation 2018-09-07 16:21:31 -07:00
Yann Collet
bf614d3c51 first sketch for a byte-accurate partial decoder 2018-09-07 15:44:19 -07:00
Yann Collet
e32766cc34 updated API documentation 2018-09-07 11:30:15 -07:00
Yann Collet
0fea528e3a updated documentation regarding dictionary compression 
following suggestion from @stbrumme (#558)

Also : bumped version number, regenerated man page and html doc
 2018-09-05 14:05:08 -07:00
Jack Luo
2e52f03a12 fixed spelling mistake in lz4.h 2018-07-28 22:21:57 -04:00
Nick Terrell
4eca78b5c3 Fix LZ4_compress_fast_continue() docs 
Fixes #549.
 2018-07-10 11:44:03 -07:00
Yann Collet
f3e84ffd41
Merge pull request #529 from felixhandte/lz4f-fast-reset-for-streaming-only 
LZ4F: Only Reset the LZ4_stream_t when Init'ing a Streaming Block
 2018-05-03 15:37:51 -07:00
W. Felix Handte
5406c2e479 Only Reset the LZ4 Stream when Init'ing a Streaming Block 2018-05-03 00:03:20 -04:00
Yann Collet
93cf628a08 introduce LZ4_decoderRingBufferSize() 
fuzzer : fix and robustify ring buffer tests
 2018-05-02 13:01:04 -07:00
Yann Collet
4c696613a0 clarified streaming decompression function 
restrictions for ring buffer
 2018-04-30 15:55:33 -07:00
Alexey Tourbin
ab06ef97bb lz4.h: clarify the risks of using LZ4_decompress_fast() 
The notes about "security guarantee" and "malicious inputs" seemed
a bit non-technical to me, so I took the liberty to tone them down
and instead describe the actual risks in technical terms.  Namely,
the function never writes past the end of the output buffer, so
a direct hostile takeover (resulting in arbitrary code execution
soon after the return from the function) is not possible.  However,
the application can crash because of reads from unmapped pages.

I also took the liberty to describe what I believe is the only sensible
usage scenario for the function: "This function is only usable if the
originalSize of uncompressed data is known in advance," etc.
 2018-04-23 02:13:49 +03:00
W. Felix Handte
3a0c571272 Add a LZ4_STATIC_LINKING_ONLY Macro to Guard Experimental APIs 2018-04-11 18:06:10 -04:00
W. Felix Handte
afa52c9b95 Expose dictCtx Functionality in LZ4 2018-04-11 16:28:56 -04:00
W. Felix Handte
21f0c9700b Rename _extState_noReset -> _extState_fastReset and Edit Comments 2018-04-11 15:13:01 -04:00
W. Felix Handte
59c7d95121 Expose a Faster Stream Reset Function 2018-04-10 13:26:17 -04:00
W. Felix Handte
a3a9b80dff Better Describe Functionality of Obsolete Streaming Functions 2018-03-21 11:39:41 -04:00
W. Felix Handte
b0a18896fe Move LZ4_compress_fast_extState_noReset Declaration to Unstable Section 2018-03-14 15:59:33 -04:00
W. Felix Handte
66b6fbfe6f Restore the Other Old Streaming Functions in a Degraded Fashion 2018-03-14 15:53:10 -04:00
W. Felix Handte
146e676531 Restore LZ4_sizeofStreamState, We Didn't Actually Need to Delete It 2018-03-13 15:42:03 -04:00
W. Felix Handte
f9fef255a1 Renames and Comment Fixes 2018-03-12 18:34:41 -04:00
W. Felix Handte
73cc39327e Lookup Matches in Separate Dictionary Context 2018-03-12 14:58:43 -04:00
W. Felix Handte
d6a3024dbb Add LZ4_compress_fast_safeExtState Function 2018-03-12 14:58:43 -04:00
W. Felix Handte
5709891de6 Add a Table Type Field to LZ4_stream_t 2018-03-12 14:58:43 -04:00
W. Felix Handte
6933f5ad9c Remove Obsolete Stream Functions to Free Space in LZ4_stream_t 2018-03-12 14:58:43 -04:00
Yann Collet
39fda9a447 bumped version number to v1.8.2 
updated NEWS was current progresses
 2018-02-26 13:50:04 -08:00
Yann Collet
ba115386fa update code comment on LZ4 streaming interface 
notably regarding LZ4_saveDict() speed advantage,
answering #477.
 2018-02-26 13:31:18 -08:00
Yann Collet
d74f079748 update API doc regarding double-buffer strategy 
answering question #473
 2018-02-18 11:00:33 -08:00
Yann Collet
ea25250c99 fixed code comment as detected in #466 
Also clarified a few API code comments
and updated associated html documentation
 2018-02-07 02:21:25 -08:00
Nick Terrell
e832a3d87a Clarify the requirements of the LZ4 streaming API 2018-02-01 16:08:59 -08:00
Asger Hautop Drewsen
c129f480e7 Always prefer c++14 attributes if available 2018-01-31 20:24:44 +01:00
Asger Hautop Drewsen
865bd83e13 Ensure LZ4_DEPRECATED("...") is before LZ4LIB_API 
When using clang++ with std c++14 or c++17 you would get the error "an attribute list cannot appear here" when including "lz4.h" as the visibility attribute is before the c++ attribute.
This ensures that the [[deprecated]] c++ attribute is before everything
else in the function declarations.
 2018-01-31 13:33:07 +01:00
Po-Chuan Hsieh
75b81bbbf0 Change file format back to ASCII (from UTF-8) 
- Replace U+00A0 by space
- Fix build failure of archivers/py-borgbackup in FreeBSD

Reference: https://bugs.FreeBSD.org/225235
 2018-01-18 03:13:05 +08:00
Po-Chuan Hsieh
47bf1a9f01 Fix lz4 version 2018-01-14 06:38:03 +08:00
Yann Collet
da8bed4b01 API : changed a few variables' names for clarity 
updated relevant doc.
This patch has no impact on ABI/API, nor on binary generation.
 2017-11-20 10:27:05 -08:00
mikir
63a7f34fee
Separated visibility from LZ4LIB_API macro. 2017-10-30 13:44:24 +01:00
Yann Collet
3d260f3522 complementary information for #394 2017-08-30 16:09:10 -07:00