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Author SHA1 Message Date
Yann ColletandGitHub c0ec909bde Merge pull request #4633 from facebook/dependabot/github_actions/microsoft/setup-msbuild-3.0.0 
Bump microsoft/setup-msbuild from 2.0.0 to 3.0.0
 2026-04-01 15:04:29 -07:00
dependabot[bot]andGitHub 5fc4931c04 Bump microsoft/setup-msbuild from 2.0.0 to 3.0.0 
Bumps [microsoft/setup-msbuild](https://github.com/microsoft/setup-msbuild) from 2.0.0 to 3.0.0.
- [Release notes](https://github.com/microsoft/setup-msbuild/releases)
- [Commits](https://github.com/microsoft/setup-msbuild/compare/6fb02220983dee41ce7ae257b6f4d8f9bf5ed4ce...30375c66a4eea26614e0d39710365f22f8b0af57)

---
updated-dependencies:
- dependency-name: microsoft/setup-msbuild
  dependency-version: 3.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
 2026-04-01 05:50:27 +00:00
kevinjzhangandGitHub 3ae099b48d Merge pull request #4626 from kevinjzhang/fix-high-memory-usage 
Fix unintended high memory usage
 2026-03-17 16:16:04 -07:00
Kevin Zhang cef5a5611a Fix unintended high memory usage 2026-03-17 13:11:22 -07:00
Yann ColletandGitHub e56865641e Merge pull request #4613 from nidu-ninja/null-deref-custom-calloc 
Fix potential NULL pointer dereference in ZSTD_customCalloc when cust…
 2026-03-16 09:37:07 -07:00
Yann ColletandGitHub c84c8fb47f Merge pull request #4606 from jlee303/update_manual 
Update manual/error message
 2026-03-13 10:37:36 -07:00
Yann ColletandGitHub ff25783fcb Merge pull request #4619 from jlee303/display_option_c 
Promote -c flag
 2026-03-13 10:34:03 -07:00
Yann ColletandGitHub 155046f3ac Merge pull request #4620 from jlee303/defineable_cflags 
Make DISPLAY_LEVEL_DEFAULT configurable at compile time
 2026-03-13 10:33:46 -07:00
Yann ColletandGitHub ee0af93e1c Merge pull request #4609 from Integral-Tech/memory-g-suffix 
Accept G, GB and GiB suffixes for options
 2026-03-13 10:33:24 -07:00
Jennifer Lee e374fc76fe fix display format 2026-03-12 11:34:43 -07:00
Jennifer Lee 3f565b731e rever -q 2026-03-12 11:32:48 -07:00
Jennifer Lee 3041c8e539 Update #define format 2026-03-11 08:29:06 -07:00
Integral 488b3a7e37 Add tests for options with G, GB and GiB suffixes 2026-03-10 10:16:53 +08:00
Jennifer Lee 2293e9601f init commit 2026-03-09 17:17:13 -07:00
Jennifer Lee 13ea076d3b Update tests 2026-03-09 16:40:42 -07:00
Jennifer Lee 043426b3e2 Promote flag 2026-03-09 16:30:41 -07:00
NiDU-NINJA 3f8f9b3f89 Fix potential NULL pointer dereference in ZSTD_customCalloc when custom allocator fails 2026-03-07 08:27:15 +00:00
Integral f1e77ab2ba Accept G, GB and GiB suffixes for options 2026-03-07 14:49:39 +08:00
Jennifer Lee 7b04e6dd1e Retry CI 2026-03-06 09:47:03 -08:00
Nick TerrellandNick Terrell d7ee3207cc Remove LICENSE file in build/ dir 2026-03-05 19:00:23 -05:00
jlee303GitHubNick Terrell
 		1bd8e55363 Update programs/zstd.1.md 
Co-authored-by: Nick Terrell <nickrterrell@gmail.com>
 2026-03-05 15:12:33 -08:00
Jennifer Lee 6a8715f8d4 update man 2026-03-04 13:29:20 -08:00
Sergey G. Brester (sebres)andNick Terrell 6e1e545916 avoid potential RC on ctx->threadLimit, code review; 
closes gh-4547; replaces gh-4558
 2026-03-02 14:39:17 -05:00
Yann ColletandGitHub 0532fe3e8a Merge pull request #4598 from facebook/dependabot/github_actions/cygwin/cygwin-install-action-6.1 
Bump cygwin/cygwin-install-action from 6.0 to 6.1
 2026-03-01 00:39:29 -08:00
Yann ColletandGitHub 9468cace38 Merge pull request #4597 from facebook/dependabot/github_actions/actions/upload-artifact-7.0.0 
Bump actions/upload-artifact from 6.0.0 to 7.0.0
 2026-03-01 00:38:57 -08:00
dependabot[bot]andGitHub 1c140a86a1 Bump cygwin/cygwin-install-action from 6.0 to 6.1 
Bumps [cygwin/cygwin-install-action](https://github.com/cygwin/cygwin-install-action) from 6.0 to 6.1.
- [Release notes](https://github.com/cygwin/cygwin-install-action/releases)
- [Commits](https://github.com/cygwin/cygwin-install-action/compare/f2009323764960f80959895c7bc3bb30210afe4d...711d29f3da23c9f4a1798e369a6f01198c13b11a)

---
updated-dependencies:
- dependency-name: cygwin/cygwin-install-action
  dependency-version: '6.1'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
 2026-03-01 05:32:44 +00:00
dependabot[bot]andGitHub d9b10820f8 Bump actions/upload-artifact from 6.0.0 to 7.0.0 
Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 6.0.0 to 7.0.0.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](https://github.com/actions/upload-artifact/compare/v6...v7)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: 7.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
 2026-03-01 05:32:41 +00:00
richardsonnickandNick Terrell bb1eedcf86 correct mmap error check 
Update mmap error validation to check for MAP_FAILED instead of NULL.
POSIX specifies that mmap returns MAP_FAILED (-1) on failure.
 2026-02-27 17:40:26 -05:00
Alexander MochandNick Terrell 2107c8f189 bitstream: fix BIT_readBits and BIT_reloadDStream prototypes 
Align the declarations of BIT_readBits() and BIT_reloadDStream() in
bitstream.h with their FORCE_INLINE_TEMPLATE definitions.

The previous MEM_STATIC declarations caused an attribute mismatch
between the header and the definitions, which can lead to incorrect
compiler assumptions under certain toolchains and optimization levels.

Signed-off-by: Alexander Moch <mail@alexmoch.com>
 2026-02-27 16:37:40 -05:00
Radek ZikmundandNick Terrell bce1ec6b07 Make explicit ptrdiff_t to int casts in divsufsort.c to avoid compiler warnings. 2026-02-27 16:32:11 -05:00
CodyandNick Terrell 81cf153bce fix: adjust LDM params in estimate functions to prevent SIGFPE (issue #4590) 2026-02-27 16:14:28 -05:00
Briar CampbellandNick Terrell 117b0edfae Fix formatting of lz4 option in zstdcli.c 2026-02-27 16:10:41 -05:00
Briar CampbellandNick Terrell a90d7e7689 Fix formatting of lz4 option in README 2026-02-27 16:10:41 -05:00
Yann ColletandGitHub 1168da0e56 Merge pull request #4575 from Cyan4973/depend_monthly 
extend dependabot period to monthly
 2026-01-26 10:03:13 -08:00
Yann Collet a380d30b20 extend dependabot period to monthly 2026-01-26 09:01:27 -08:00
Yann ColletandGitHub 4b8d87a8c3 Merge pull request #4574 from facebook/dependabot/github_actions/actions/checkout-6.0.2 
Bump actions/checkout from 6.0.1 to 6.0.2
 2026-01-26 08:57:23 -08:00
Yann ColletandGitHub deb898b541 Merge pull request #4573 from facebook/dependabot/github_actions/actions/setup-java-5.2.0 
Bump actions/setup-java from 5.1.0 to 5.2.0
 2026-01-26 08:56:49 -08:00
dependabot[bot]andGitHub a46bec0fba Bump actions/checkout from 6.0.1 to 6.0.2 
Bumps [actions/checkout](https://github.com/actions/checkout) from 6.0.1 to 6.0.2.
- [Release notes](https://github.com/actions/checkout/releases)
- [Commits](https://github.com/actions/checkout/compare/v6.0.1...v6.0.2)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 6.0.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2026-01-26 05:51:10 +00:00
dependabot[bot]andGitHub a8319c39de Bump actions/setup-java from 5.1.0 to 5.2.0 
Bumps [actions/setup-java](https://github.com/actions/setup-java) from 5.1.0 to 5.2.0.
- [Release notes](https://github.com/actions/setup-java/releases)
- [Commits](https://github.com/actions/setup-java/compare/f2beeb24e141e01a676f977032f5a29d81c9e27e...be666c2fcd27ec809703dec50e508c2fdc7f6654)

---
updated-dependencies:
- dependency-name: actions/setup-java
  dependency-version: 5.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
 2026-01-26 05:50:49 +00:00
Yann ColletandGitHub ae9f20ca27 Merge pull request #4554 from facebook/no_legacy 
Remove legacy support by default
 2025-12-18 16:46:12 -08:00
Yann ColletandGitHub e00ddf63b2 Merge pull request #4555 from facebook/fix4553 
Fix #4553
 2025-12-18 16:30:23 -08:00
Yann ColletandYann Collet 1dae4f0188 test: fix versionsTest build for old zstd versions 
Summary:
Some old zstd versions (notably v0.6.x) have a bug in fileio.c where header includes check for `ZSTD_LEGACY_SUPPORT==1` but code usage checks for `ZSTD_LEGACY_SUPPORT>=1`. Using value 5 causes compilation failure because headers aren't included but the code tries to use legacy functions.

Changing to `ZSTD_LEGACY_SUPPORT=1` for old version builds fixes the compilation while still enabling legacy format support.

Test Plan:
Run `make versionsTest` or `python3 tests/test-zstd-versions.py` to verify all old versions compile and cross-version decompression works correctly.
 2025-12-18 16:13:53 -08:00
Yann Collet 3a3c506b51 Fix #4553 
This is a bug in the streaming implementation of the v0.5 decoder.
The bug has always been there.
It requires an uncommon block configuration, which wasn't tested at the time.

v0.5 is deprecated now,
latest version to produce such format is v0.5.1 from February 2016.
It was superceded in April 2016.
So it's both short lived and very old.

Another PR will remove support of this format,
but it will still be possible to explicitely request this support on demand,
so better fix the issue.
 2025-12-18 15:52:11 -08:00
Yann ColletandYann Collet a87d0cc476 test: enable legacy support in version compatibility test 
Summary:
The version compatibility test needs to decode legacy frames (v0.5.x - v0.7.x) to verify cross-version interoperability. Since legacy support is now disabled by default (v1.6.0), head must be built with ZSTD_LEGACY_SUPPORT=5 for this test.

Test Plan:
Run `python3 tests/test-zstd-versions.py` to verify cross-version compatibility testing works correctly.
 2025-12-18 14:42:41 -08:00
Yann Collet 8ba2f20a90 test: update libzstd_builds.sh for disabled legacy default 
Summary:
Updates the library build tests to reflect that legacy format support is now disabled by default. Also adds a new test case to verify that legacy support can still be explicitly enabled via ZSTD_LEGACY_SUPPORT=5.

Test Plan:
Run `bash tests/libzstd_builds.sh` on a Linux environment.
 2025-12-18 13:39:28 -08:00
Yann ColletandYann Collet f818f97be6 build: set ZSTD_LEGACY_SUPPORT=0 in remaining build systems 
Summary:
Completes the transition to disabled legacy support by default across all build systems. This follows up on the previous Makefile and CMake changes to ensure consistent default behavior regardless of the build system used.

Updated build configurations: Meson, tests/Makefile, Visual Studio 2008/2010 projects, and BUCK.

Test Plan:
Verified changes compile correctly via `make lib-release`. Build system configurations have been updated consistently across all platforms.
 2025-12-18 13:25:47 -08:00
Yann Collet 6c3e805e50 doc: legacy support is now disabled by default 2025-12-18 13:19:11 -08:00
Yann Collet 073c7fb6ea update dev version number to v1.6.0 
to reflect the relatively big scope change by removing support of legacy formats.
 2025-12-18 13:13:56 -08:00
Yann Collet b79e86291b [cmake] disable legacy support by default 
can still be explicitly enabled
 2025-12-18 13:11:37 -08:00
Yann Collet 38cce02684 Makefile: remove support of legacy formats by default 
can still be changed manually by setting `ZSTD_LEGACY_SUPPORT` to a different value
 2025-12-18 12:59:14 -08:00