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* Merge pull request #1188 from x4m/static_functionYann Collet2022-12-031-1/+1
|\ | | | | Declare read_long_length_no_check() static
| * Declare read_long_length_no_check() staticAndrey Borodin2022-11-101-1/+1
| | | | | | | | Fix #1176
* | Merge pull request #1187 from t-mat/pr-issue-1186Yann Collet2022-12-022-4/+34
|\ \ | | | | | | Add environment check for freestanding test : resolves #1186
| * | Add environment check for freestanding testTakayuki Matsuoka2022-11-092-4/+34
| |/ | | | | | | | | | | | | | | | | | | Freestanding test is intended to run on only Linux x86_64 platform. Because it uses Linux x86_64 syscall directly to avoid any dependency to the standard library. This changeset adds platform checking code to tests/Makefile to avoid unintended error in non-Linux x86_64 platforms. This changeset resolves issue #1186
* | Merge pull request #1196 from t-mat/fix-issue-1195Yann Collet2022-11-301-12/+12
|\ \ | | | | | | Remove PATH=$(PATH) prefix from all shell script invocation in tests/Makefile
| * | Remove PATH=$(PATH) prefix from all shell script invocationTakayuki Matsuoka2022-11-291-12/+12
| | | | | | | | | | | | | | | | | | | | | When $(PATH) contains ' ' (space, 0x20), this prefix causes error. Also we don't need reconfiguring PATH for each shell script, we don't need them. This changeset fixes issue #1195
* | | Merge pull request #1197 from t-mat/fix-test-clang-11-12-mx32Yann Collet2022-11-291-2/+2
|\ \ \ | |/ / |/| | Change the version of lib[x]gcc for clang-(11|12) -mx32
| * | Change the version of lib[x]gcc for clang-(11|12) -mx32Takayuki Matsuoka2022-11-291-2/+2
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* | Merge pull request #1191 from vsolontsov-volant/install_lz4file_hYann Collet2022-11-241-0/+2
|\ \ | | | | | | Add copying lz4file.h to make install
| * | Add copying lz4file.h to make installVladimir Solontsov2022-11-221-0/+2
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* | Merge pull request #1192 from vsolontsov-volant/lz4f_write_const_srcYann Collet2022-11-222-3/+3
|\ \ | |/ |/| Fixed const-ness of src data pointer in lz4file and install lz4file.h
| * Fixed const-ness of src data pointer in lz4file and install lz4file.hVladimir Solontsov2022-11-222-3/+3
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* Merge pull request #1139 from tristan957/mesonYann Collet2022-10-2523-346/+746
|\ | | | | Update Meson build to 1.9.4
| * Update Meson build to 1.9.4Tristan Partin2022-10-2023-346/+746
|/ | | | | | | | | | | | | | | Specifically this adds support for the following options: - LZ4_ALIGN_TEST - LZ4_STATIC_LINKING_ONLY_DISABLE_MEMORY_ALLOCATION - LZ4_DISTANCE_MAX - LZ4_FAST_DEC_LOOP - LZ4_FORCE_SW_BITCOUNT - LZ4_FREESTANDING - LZ4_USER_MEMORY_FUNCTIONS - compiling ossfuzz targets - compiling more test targets - registering some tests
* Merge pull request #1174 from lz4/lz4_ubnullYann Collet2022-10-011-19/+23
|\ | | | | very minor refactor of lz4.c
| * minor refactor of lz4.cYann Collet2022-10-011-19/+23
|/ | | | | | almost no change, functionally equivalent replaced one test by an assert() (since it should always be true)
* Merge pull request #1173 from lz4/md_offYann Collet2022-10-011-107/+104
|\ | | | | LZ4 HC match finder and parsers use direct offset values
| * fix another ubsan warning in lz4hcmd_offYann Collet2022-10-011-1/+1
| | | | | | | | | | | | | | because ubsan complains even about intermediate pointer arithmetic results (in a simple linear formula with 3 factors for example). use parenthesis to make sure calculations go directly from one valid memory address to another valid memory address value.
| * use LZ4HC_match_t structure directly to store match candidatesYann Collet2022-10-011-68/+53
| | | | | | | | | | this formalized better the coupling between match length and match offset which were 2 separated variables before.
| * removed virtual pointer from optimal parserYann Collet2022-09-301-5/+4
| | | | | | | | | | replaced by direct offset value. this virtual pointer was only used in rare _dstSize scenario.
| * removed virtual match pointer from HC parserYann Collet2022-09-301-26/+23
| | | | | | | | replaced by direct offset values.
| * sequence encoder accepts offset as a valueYann Collet2022-09-301-14/+15
| | | | | | | | instead of a virtual pointer
| * LZ4 HC matchfinder returns an offset valueYann Collet2022-09-301-43/+58
|/ | | | instead of a virtual past pointer.
* Merge pull request #1171 from dosaboy/snap-1.9.4Yann Collet2022-09-271-1/+2
|\ | | | | Update snapcraft.yaml to reflect build of v1.9.4
| * Update snapcraft.yaml to reflect build of v1.9.4Edward Hope-Morley2022-09-211-1/+2
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* | added code documentation on heap modeYann Collet2022-09-274-15/+46
|/ | | | and also on decompress_continue variants.
* added notes about LZ4_compressFrame() and stack/heap memory usageYann Collet2022-09-202-4/+14
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* Merge pull request #1169 from lz4/fix_ub485Yann Collet2022-09-171-6/+8
|\ | | | | fix rare ub
| * fix rare ubYann Collet2022-09-171-6/+8
|/ | | | | apparently, accessing the short member of a union still requires enough space for its largest member.
* Merge pull request #1163 from lz4/dict_fillOnIndexYann Collet2022-09-162-31/+39
|\ | | | | remove usages of `base` pointer
| * fixed minor UB warningYann Collet2022-09-161-12/+13
| | | | | | | | now, even intermediate ptr arithmetic results can be UB ??
| * removed a few more usages of base ptrYann Collet2022-09-161-15/+20
| | | | | | | | | | | | | | by making LZ4_putPosition() specific to byPtr strategy. byU32 and byU16 use LZ4_putIndexOnHash() instead. In both cases, it makes it irrelevant to pass` base as reference ptr.
| * remove another usage of baseYann Collet2022-09-161-4/+6
|/ | | | | within `LZ4_loadDict()` function : it's possible to only employ Indexes directly.
* Merge pull request #1168 from lz4/benchDYann Collet2022-09-164-31/+72
|\ | | | | fix benchmark more using Dictionary
| * added test able to catch bug #1167Yann Collet2022-09-152-22/+37
| | | | | | | | also : errors during benchmark mode return an error code.
| * fix benchmark more using DictionaryYann Collet2022-09-153-9/+35
|/ | | | | | | benchmark dictionary mode, implemented in #808, is incorrect. It would desynchronize compression and decompression as soon as 2+ files are dictionary compressed. Also : slightly improved traces system, to also include __LINE__ number
* Merge pull request #1165 from lz4/testmYann Collet2022-09-151-0/+6
|\ | | | | add a test to catch issue #1164
| * add a test to catch issue #1164Yann Collet2022-09-141-0/+6
|/ | | | | | | | | | where `--test -m files*.lz4` would create a bunch of `files*` files. `--test` should not create any file. It turns out the bug was already fixed when #1164 was filled, but it also shows that the CI system was blind to such issues when it happened. The new test was run with `v1.9.3` and triggered an error, as expected.
* update v1.9.4 NEWSYann Collet2022-09-141-0/+1
| | | | one fix was forgotten
* document Makefile variablesYann Collet2022-09-131-0/+7
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* Merge pull request #1162 from foxeng/fix-static-onlyYann Collet2022-09-131-0/+4
|\ | | | | build: Support BUILD_SHARED=no
| * build: Support BUILD_SHARED=noFotis Xenakis2022-09-131-0/+4
|/ | | | | | Since e585a438c714652e866a59371b287f52aa4d2dc3, the BUILD_SHARED Makefile variable only takes effect for the install target (i.e. the shared libraries always built). This restores the original behaviour.
* Clarifiy documentation for LZ4F_HEAPMODEYann Collet2022-09-132-3/+5
| | | | | | Now it's only about LZ4F_compressFrame(), and it's only about the Compression Context (not the hash tables, which used to be integrated).
* clarify Data Block in the Frame format documentationYann Collet2022-09-131-5/+7
| | | | as requested in #1156
* Merge pull request #1161 from lz4/byPtrYann Collet2022-09-131-9/+7
|\ | | | | simplify getPosition
| * simplify getPositionYann Collet2022-09-121-9/+7
|/ | | | | it's only used in byPtr mode. This removes the need to transfer `base` ptr value.
* updated documentation : no more issue with 32-bit compilation on recent ↵Yann Collet2022-09-121-21/+8
| | | | compilers
* updated Github Actions tests documentationYann Collet2022-09-091-11/+12
| | | | notably regarding ubsan test status (now enabled)
* Merge pull request #1160 from lz4/ubsan_hcYann Collet2022-09-091-18/+18
|\ | | | | fixed a few remaining ubsan warnings in lz4hc
| * fixed a few ubsan warnings in lz4hcYann Collet2022-09-091-18/+18
|/ | | | mostly related to pointer arithmetic involving NULL ptr.
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