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Author SHA1 Message Date
Yann Collet 33a7e679e5 significant zlib wrapper code refactoring 
code indentation
variable scope and names
constify

Only coding style changes.
The logic should remain the same.
 2017-06-02 17:10:49 -07:00
Yann Collet 4effccbf56 zlib_wrapper's uncompress() uses ZSTD_isFrame() for routing 
more generic and safer than using own routing for magic number comparison
 2017-06-02 14:27:11 -07:00
Yann Collet dcb7535352 ensure zlibwrapper uses ZSTD_malloc() and ZSTD_free() 
which is compatible with { NULL, NULL, NULL }
 2017-06-02 14:01:21 -07:00
Yann Collet b877e834b1 minor indent 2017-06-02 13:47:11 -07:00
Yann Collet 6056e4c3eb added POOL_sizeof() for single-thread 2017-06-02 11:36:47 -07:00
Yann Collet c35e535002 added support for multithreading parameters 2017-06-01 18:44:06 -07:00
Yann Collet c4a5a21c5c created ZSTDMT_sizeof_CCtx() and POOL_sizeof() 
required by ZSTD_sizeofCCtx() while adding a ZSTDMT_CCtx*
 2017-06-01 17:56:14 -07:00
Yann Collet cd2892fd1e protected impossible switch(){default:} with assert(0) 
can be converted into assume(0) in some future
 2017-06-01 09:44:54 -07:00
Yann Collet 06589fe516 Merge branch 'advancedAPI2' of github.com:facebook/zstd into advancedAPI2 2017-05-31 10:03:20 -07:00
Yann Collet 18ab5affa5 fixed visual warning 2017-05-31 09:59:22 -07:00
Yann Collet 9a691e0f55 fixed visual warnings 2017-05-31 01:17:44 -07:00
Yann Collet 01b1549f83 finally converted ZSTD_compressStream_generic() to use {in,ou}Buffer 
replacing the older read/write variables from ZBUFF_* era.
Mostly to help code readability.

Fixed relevant callers.
 2017-05-30 18:10:26 -07:00
Yann Collet c4f46b94ce ZSTD_createCCtx_advanced() now uses ZSTD_calloc() 
initially uses calloc() instead of memset().

Performance improvement is unlikely measurable,
since ZSTD_CCtx is now very small,
with all tables transferred into workSpace.
 2017-05-30 17:45:37 -07:00
Yann Collet deee6e523f expose ZSTD_compress_generic_simpleArgs() 
which is a binding towards ZSTD_compress_generic()
using only integral types for arguments.
 2017-05-30 17:42:00 -07:00
Yann Collet ae728a43b8 removed defaultCustomMem 
now ZSTD_customCMem is promoted as new default.

Advantages : ZSTD_customCMem = { NULL, NULL, NULL},
so it's natural default after a memset.

ZSTD_customCMem is public constant
(defaultCustomMem was private only).

Also : makes it possible to introduce ZSTD_calloc(),
which can now default to stdlib's calloc()
when it detects system default.

Fixed zlibwrapper which depended on defaultCustomMem.
 2017-05-30 17:11:39 -07:00
Yann Collet 5bcef1ada2 removed mtctx->cstream 
use the first cctx in pool when ZSTDMT is used in single-thread mode
now that cctx and cstream are the same object.
 2017-05-30 16:37:19 -07:00
Yann Collet beb62b15a8 Merge branch 'dev' into advancedAPI2 
Fixed conflic in zstd_decompress.c
 2017-05-30 16:18:57 -07:00
Yann Collet 44e45e8423 added ZSTDMT_createCCtx_advanced() 
make it possible to use custom allocators
 2017-05-30 16:12:06 -07:00
Yann Collet f45ca527a1 Merge branch 'advancedAPI2' of github.com:facebook/zstd into advancedAPI2 2017-05-30 10:02:03 -07:00
Yann Collet b6dec4c3ae fixed minor cast warning 2017-05-27 17:09:06 -07:00
Yann Collet e071159101 mtctx->jobs allocate its own memory space 
to make ZSTDMT_CCtx_s size predictable
so that it can be included in CCtx
 2017-05-27 00:21:33 -07:00
Yann Collet b8136f019a static dctx is incompatible with legacy support 
documented, and runtime tested
 2017-05-27 00:03:08 -07:00
Yann ColletandGitHub e4182bbb80 Merge pull request #712 from terrelln/dev 
[linux-kernel] Fix formatting and Makefile
 2017-05-26 18:48:12 +02:00
Nick Terrell 53a67ec1a6 [linux-kernel] Fix duplicate symbols when built-in to kernel 2017-05-25 18:34:13 -07:00
Yann Collet 7028cbd7fd fixed a few code comments : ZSTD_getFrameParams => ZSTD_getFrameHeader 2017-05-25 18:29:08 -07:00
Yann Collet cdf7e82222 Added ZSTD_initStaticCDict() 2017-05-25 18:05:49 -07:00
Yann ColletandGitHub 8a1440dff4 Merge pull request #711 from ldv-alt/dev 
Fix typo in libzstd.a-mt make rules
 2017-05-26 02:31:33 +02:00
Dmitry V. Levin 1ea655c765 Fix typo in libzstd.a-mt make rules 
The macro name is ZSTD_MULTITHREAD, not ZSTD_MULTHREAD.

Fixes: ca6fae7808 ("Add MT enabled targets for libzstd")
 2017-05-25 23:43:05 +00:00
Yann Collet 57827f906f added ZSTD_initStaticDDict() 2017-05-25 15:44:06 -07:00
Yann Collet 25989e361c updated ZSTD_estimate?DictSize() to pass parameter byReference 
resulting ?Dict object is smaller when created byReference.
Seems better than a documentation note.
 2017-05-25 15:07:37 -07:00
Nick Terrell e63fff9b97 [linux-kernel] Fix clang-format edge case with goto labels 2017-05-25 13:56:46 -07:00
Yann Collet 0fdc71c3dc added ZSTD_initStaticDCtx() 2017-05-24 17:41:41 -07:00
Yann Collet ba183005d3 merged DStream's inBuff and outBuff into a single buffer 
Saves one malloc().
Also : makes it easier to implement static allocation
 2017-05-24 15:42:24 -07:00
Yann ColletandGitHub 5d62c16ff5 Merge pull request #710 from terrelln/dev 
[linux-kernel] Minor formatting changes
 2017-05-25 00:10:17 +02:00
Nick Terrell 74b12f4014 [linux-kernel] Fix some up clang-format edge cases 2017-05-24 13:52:36 -07:00
Nick Terrell 55fc1f91fd [zstd] Fix up formatting edge cases for clang-format 2017-05-24 13:50:10 -07:00
Yann Collet 2e4db3e531 fixed performance regression with ZSTD_decompress() on small files 
memset() was a quick fix to initialization problems,
but initialize too much space (tables, buffers)
which show up in decompression speed of ZSTD_decompress()
since it needs to recreate DCtx at each invocation.

Fixed by only initialization relevant pointers and size fields.
 2017-05-24 13:15:19 -07:00
Yann ColletandGitHub 10078e43a2 Merge pull request #709 from codicodi/fix-cmake 
CMake improvements
 2017-05-24 20:56:47 +02:00
codicodi e87cad1053 CMake improvements 2017-05-24 10:56:35 +02:00
Yann Collet 11ea2f7fda Merged ZSTD_DCtx and ZSTD_DStream objects 
They are now the same object.
It's recommended to keep both types in source code
as previous versions of library (<v1.3.0)
still need this differentiation.
 2017-05-23 16:19:43 -07:00
Yann Collet b81f19ffce move MEM_readMINMATCH() into zstd_opt.h 
which is its only user.
Use case too narrow to belong to mem.h.
renamed to ZSTD_readMINMATCH()
 2017-05-23 15:41:55 -07:00
Yann Collet c7fe262dc9 added ZSTD_initStaticCCtx() 
makes it possible to statically or externally allocate CCtx.
static CCtx will only use provided memory area,
it will never resize nor malloc.
 2017-05-23 13:20:41 -07:00
Yann Collet 5ac72b417c Buffered are now allocated inside workSpace 2017-05-23 11:18:24 -07:00
Yann Collet 1880337c30 Simplifier compression call graph 
Everything converge towards ZSTD_compressBegin_internal
which delegated to ZSTD_copyCCtx_internal if cdict!=NULL.

This simplifies routing which was previously depending on cdict.
 2017-05-22 18:21:51 -07:00
Yann Collet b0739bcf8f simplified reset by removing full-reset policy 
this was meant to be applied prior to dictionary loading.
But effectively, it seems redundant with later loading stage,
so it can be skipped safely.
 2017-05-22 17:45:15 -07:00
Yann Collet 1ad7c82eb5 Implemented separation between requested and applied parameters 
first version to pass cli tests with -DZSTD_NEWAPI
 2017-05-22 17:06:04 -07:00
Yann ColletandGitHub 0a84a3cde5 Merge pull request #708 from terrelln/lk 
[linux-kernel] Update patches in response to comments
 2017-05-23 00:10:59 +02:00
Yann Collet 24de7b0346 Implemented ZSTD_CCtx_refCDict() 2017-05-22 13:05:45 -07:00
Yann Collet ee970398b2 Merge branch 'dev' into advancedAPI2 2017-05-22 12:33:56 -07:00
Yann ColletandGitHub 6ea46834b2 Merge pull request #705 from terrelln/dev 
[libzstd] Allow users to define custom visibility
 2017-05-22 21:25:09 +02:00