v1.4.0

.cirrus.yml

@@ -0,0 +1,16 @@
+env:
+  CIRRUS_CLONE_DEPTH: 1
+  ARCH: amd64
+
+task:
+  freebsd_instance:
+    matrix:
+      image: freebsd-12-0-release-amd64
+      image: freebsd-11-2-release-amd64
+  install_script:
+    - sed -i.bak -e 's,pkg+http://pkg.FreeBSD.org/\${ABI}/quarterly,pkg+http://pkg.FreeBSD.org/\${ABI}/latest,' /etc/pkg/FreeBSD.conf
+    - pkg upgrade -y
+    - pkg install -y gmake coreutils
+  script: |
+    MOREFLAGS="-Werror" gmake -j all
+    gmake shortest

.travis.yml

@@ -2,7 +2,6 @@
 
 language: c
 dist: trusty
-sudo: required
 
 git:
   depth: 1
@@ -179,14 +178,17 @@ matrix:
 
     # meson dedicated test
     - name: Xenial (Meson + clang)
+      # env: ALLOW_FAILURES=true
       dist: xenial
       language: cpp
       compiler: clang
-      before_install:
+      install:
         - sudo apt-get install -qq liblz4-dev valgrind tree
-        - curl -o ~/get-pip.py 'https://bootstrap.pypa.io/get-pip.py'
-        - python3 ~/get-pip.py --user
-        - pip3 install --user meson ninja
+        - travis_retry curl -o ~/ninja.zip -L 'https://github.com/ninja-build/ninja/releases/download/v1.8.2/ninja-linux.zip'
+            && unzip ~/ninja.zip -d ~/.local/bin
+        - travis_retry curl -o ~/get-pip.py -L 'https://bootstrap.pypa.io/get-pip.py'
+            && python3 ~/get-pip.py --user
+            && pip3 install --user meson
       script:
         - meson --buildtype=debug
                 -Db_lundef=false
@@ -198,4 +200,4 @@ matrix:
         - DESTDIR=./staging ninja install
         - tree ./staging
   allow_failures:
-    - name: Xenial (Meson + clang)
+    - env: ALLOW_FAILURES=true

CHANGELOG

@@ -1,3 +1,40 @@
+v1.4.0
+perf: Improve level 1 compression speed in most scenarios by 6% by @gbtucker and @terrelln
+api: Move the advanced API, including all functions in the staging section, to the stable section
+api: Make ZSTD_e_flush and ZSTD_e_end block for maximum forward progress
+api: Rename ZSTD_CCtxParam_getParameter to ZSTD_CCtxParams_getParameter
+api: Rename ZSTD_CCtxParam_setParameter to ZSTD_CCtxParams_setParameter
+api: Don't export ZSTDMT functions from the shared library by default
+api: Require ZSTD_MULTITHREAD to be defined to use ZSTDMT
+api: Add ZSTD_decompressBound() to provide an upper bound on decompressed size by @shakeelrao
+api: Fix ZSTD_decompressDCtx() corner cases with a dictionary
+api: Move ZSTD_getDictID_*() functions to the stable section
+api: Add ZSTD_c_literalCompressionMode flag to enable or disable literal compression by @terrelln
+api: Allow compression parameters to be set when a dictionary is used
+api: Allow setting parameters before or after ZSTD_CCtx_loadDictionary() is called
+api: Fix ZSTD_estimateCStreamSize_usingCCtxParams()
+api: Setting ZSTD_d_maxWindowLog to 0 means use the default
+cli: Ensure that a dictionary is not used to compress itself by @shakeelrao
+cli: Add --[no-]compress-literals flag to enable or disable literal compression
+doc: Update the examples to use the advanced API
+doc: Explain how to transition from old streaming functions to the advanced API in the header
+build: Improve the Windows release packages
+build: Improve CMake build by @hjmjohnson
+build: Build fixes for FreeBSD by @lwhsu
+build: Remove redundant warnings by @thatsafunnyname
+build: Fix tests on OpenBSD by @bket
+build: Extend fuzzer build system to work with the new clang engine
+build: CMake now creates the libzstd.so.1 symlink
+build: Improve Menson build by @lzutao
+misc: Fix symbolic link detection on FreeBSD
+misc: Use physical core count for -T0 on FreeBSD by @cemeyer
+misc: Fix zstd --list on truncated files by @kostmo
+misc: Improve logging in debug mode by @felixhandte
+misc: Add CirrusCI tests by @lwhsu
+misc: Optimize dictionary memory usage in corner cases
+misc: Improve the dictionary builder on small or homogeneous data
+misc: Fix spelling across the repo by @jsoref
+
 v1.3.8
 perf: better decompression speed on large files (+7%) and cold dictionaries (+15%)
 perf: slightly better compression ratio at high compression modes
@@ -239,7 +276,7 @@ v1.0.0
 Change Licensing, all project is now BSD, Copyright Facebook
 Small decompression speed improvement
 API : Streaming API supports legacy format
-API : ZDICT_getDictID(), ZSTD_sizeof_{CCtx, DCtx, CStream, DStream}(), ZSTD_setDStreamParamter()
+API : ZDICT_getDictID(), ZSTD_sizeof_{CCtx, DCtx, CStream, DStream}(), ZSTD_setDStreamParameter()
 CLI supports legacy formats v0.4+
 Fixed : compression fails on certain huge files, reported by Jesse McGrew
 Enhanced documentation, by Przemyslaw Skibinski

Makefile

@@ -156,7 +156,7 @@ list:
 	    done \
 	} | column -t -s $$'\t'
 
-.PHONY: install clangtest armtest usan asan uasan
+.PHONY: install armtest usan asan uasan
 install:
 	@$(MAKE) -C $(ZSTDDIR) $@
 	@$(MAKE) -C $(PRGDIR) $@
@@ -188,7 +188,7 @@ gcc7build: clean
 .PHONY: clangbuild
 clangbuild: clean
 	clang -v
-	CXX=clang++ CC=clang $(MAKE) all MOREFLAGS="-Werror -Wconversion -Wno-sign-conversion -Wdocumentation"
+	CXX=clang++ CC=clang CFLAGS="-Werror -Wconversion -Wno-sign-conversion -Wdocumentation" $(MAKE) all
 
 m32build: clean
 	gcc -v
@@ -232,10 +232,6 @@ gcc6test: clean
 	gcc-6 -v
 	$(MAKE) all CC=gcc-6 MOREFLAGS="-Werror"
 
-clangtest: clean
-	clang -v
-	$(MAKE) all CXX=clang++ CC=clang MOREFLAGS="-Werror -Wconversion -Wno-sign-conversion -Wdocumentation"
-
 armtest: clean
 	$(MAKE) -C $(TESTDIR) datagen   # use native, faster
 	$(MAKE) -C $(TESTDIR) test CC=arm-linux-gnueabi-gcc QEMU_SYS=qemu-arm-static ZSTDRTTEST= MOREFLAGS="-Werror -static" FUZZER_FLAGS=--no-big-tests

README.md

@@ -14,21 +14,24 @@ a list of known ports and bindings is provided on [Zstandard homepage](http://ww
 [![Build Status][travisDevBadge]][travisLink]
 [![Build status][AppveyorDevBadge]][AppveyorLink]
 [![Build status][CircleDevBadge]][CircleLink]
+[![Build status][CirrusDevBadge]][CirrusLink]
 
 [travisDevBadge]: https://travis-ci.org/facebook/zstd.svg?branch=dev "Continuous Integration test suite"
 [travisLink]: https://travis-ci.org/facebook/zstd
 [AppveyorDevBadge]: https://ci.appveyor.com/api/projects/status/xt38wbdxjk5mrbem/branch/dev?svg=true "Windows test suite"
 [AppveyorLink]: https://ci.appveyor.com/project/YannCollet/zstd-p0yf0
 [CircleDevBadge]: https://circleci.com/gh/facebook/zstd/tree/dev.svg?style=shield "Short test suite"
 [CircleLink]: https://circleci.com/gh/facebook/zstd
+[CirrusDevBadge]: https://api.cirrus-ci.com/github/facebook/zstd.svg?branch=dev
+[CirrusLink]: https://cirrus-ci.com/github/facebook/zstd
 
 ## Benchmarks
 
 For reference, several fast compression algorithms were tested and compared
-on a server running Linux Debian (`Linux version 4.14.0-3-amd64`),
-with a Core i7-6700K CPU @ 4.0GHz,
+on a server running Arch Linux (`Linux version 5.0.5-arch1-1`),
+with a Core i9-9900K CPU @ 5.0GHz,
 using [lzbench], an open-source in-memory benchmark by @inikep
-compiled with [gcc] 7.3.0,
+compiled with [gcc] 8.2.1,
 on the [Silesia compression corpus].
 
 [lzbench]: https://github.com/inikep/lzbench
@@ -37,14 +40,14 @@ on the [Silesia compression corpus].
 
 | Compressor name         | Ratio | Compression| Decompress.|
 | ---------------         | ------| -----------| ---------- |
-| **zstd 1.3.4 -1**       | 2.877 |   470 MB/s |  1380 MB/s |
-| zlib 1.2.11 -1          | 2.743 |   110 MB/s |   400 MB/s |
-| brotli 1.0.2 -0         | 2.701 |   410 MB/s |   430 MB/s |
-| quicklz 1.5.0 -1        | 2.238 |   550 MB/s |   710 MB/s |
-| lzo1x 2.09 -1           | 2.108 |   650 MB/s |   830 MB/s |
-| lz4 1.8.1               | 2.101 |   750 MB/s |  3700 MB/s |
-| snappy 1.1.4            | 2.091 |   530 MB/s |  1800 MB/s |
-| lzf 3.6 -1              | 2.077 |   400 MB/s |   860 MB/s |
+| **zstd 1.4.0 -1**       | 2.884 |   530 MB/s |  1360 MB/s |
+| zlib 1.2.11 -1          | 2.743 |   110 MB/s |   440 MB/s |
+| brotli 1.0.7 -0         | 2.701 |   430 MB/s |   470 MB/s |
+| quicklz 1.5.0 -1        | 2.238 |   600 MB/s |   800 MB/s |
+| lzo1x 2.09 -1           | 2.106 |   680 MB/s |   950 MB/s |
+| lz4 1.8.3               | 2.101 |   800 MB/s |  4220 MB/s |
+| snappy 1.1.4            | 2.073 |   580 MB/s |  2020 MB/s |
+| lzf 3.6 -1              | 2.077 |   440 MB/s |   930 MB/s |
 
 [zlib]: http://www.zlib.net/
 [LZ4]: http://www.lz4.org/

build/VS2008/fullbench/fullbench.vcproj

@@ -408,6 +408,10 @@
 				RelativePath="..\..\..\programs\util.c"
 				>
 			</File>
+			<File
+				RelativePath="..\..\..\programs\timefn.c"
+				>
+			</File>
 			<File
 				RelativePath="..\..\..\lib\compress\zstd_fast.c"
 				>

build/VS2008/fuzzer/fuzzer.vcproj

@@ -45,7 +45,7 @@
 				Name="VCCLCompilerTool"
 				Optimization="0"
 				AdditionalIncludeDirectories="$(SolutionDir)..\..\lib;$(SolutionDir)..\..\lib\common;$(SolutionDir)..\..\lib\compress;$(SolutionDir)..\..\lib\dictBuilder;$(SolutionDir)..\..\lib\legacy;$(SolutionDir)..\..\programs"
-				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
+				PreprocessorDefinitions="ZSTD_MULTITHREAD=1;WIN32;_DEBUG;_CONSOLE"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
@@ -121,7 +121,7 @@
 				EnableIntrinsicFunctions="true"
 				OmitFramePointers="true"
 				AdditionalIncludeDirectories="$(SolutionDir)..\..\lib;$(SolutionDir)..\..\lib\common;$(SolutionDir)..\..\lib\compress;$(SolutionDir)..\..\lib\dictBuilder;$(SolutionDir)..\..\lib\legacy;$(SolutionDir)..\..\programs"
-				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
+				PreprocessorDefinitions="ZSTD_MULTITHREAD=1;WIN32;NDEBUG;_CONSOLE"
 				RuntimeLibrary="0"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
@@ -195,7 +195,7 @@
 				Name="VCCLCompilerTool"
 				Optimization="0"
 				AdditionalIncludeDirectories="$(SolutionDir)..\..\lib;$(SolutionDir)..\..\lib\common;$(SolutionDir)..\..\lib\compress;$(SolutionDir)..\..\lib\dictBuilder;$(SolutionDir)..\..\lib\legacy;$(SolutionDir)..\..\programs"
-				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
+				PreprocessorDefinitions="ZSTD_MULTITHREAD=1;WIN32;_DEBUG;_CONSOLE"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
@@ -272,7 +272,7 @@
 				EnableIntrinsicFunctions="true"
 				OmitFramePointers="true"
 				AdditionalIncludeDirectories="$(SolutionDir)..\..\lib;$(SolutionDir)..\..\lib\common;$(SolutionDir)..\..\lib\dictBuilder;$(SolutionDir)..\..\lib\legacy;$(SolutionDir)..\..\lib\compress;$(SolutionDir)..\..\programs"
-				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
+				PreprocessorDefinitions="ZSTD_MULTITHREAD=1;WIN32;NDEBUG;_CONSOLE"
 				RuntimeLibrary="0"
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="0"
@@ -332,6 +332,10 @@
 				RelativePath="..\..\..\programs\util.c"
 				>
 			</File>
+			<File
+				RelativePath="..\..\..\programs\timefn.c"
+				>
+			</File>
 			<File
 				RelativePath="..\..\..\programs\datagen.c"
 				>

build/VS2008/zstd/zstd.vcproj

@@ -336,6 +336,10 @@
 				RelativePath="..\..\..\programs\util.c"
 				>
 			</File>
+			<File
+				RelativePath="..\..\..\programs\timefn.c"
+				>
+			</File>
 			<File
 				RelativePath="..\..\..\programs\benchfn.c"
 				>

build/VS2010/fullbench-dll/fullbench-dll.vcxproj

@@ -167,6 +167,7 @@
   <ItemGroup>
     <ClCompile Include="..\..\..\lib\common\xxhash.c" />
     <ClCompile Include="..\..\..\programs\util.c" />
+    <ClCompile Include="..\..\..\programs\timefn.c" />
     <ClCompile Include="..\..\..\programs\datagen.c" />
     <ClCompile Include="..\..\..\programs\benchfn.c" />
     <ClCompile Include="..\..\..\tests\fullbench.c" />

build/VS2010/fullbench/fullbench.vcxproj

@@ -156,7 +156,6 @@
   </ItemDefinitionGroup>
   <ItemGroup>
     <ClCompile Include="..\..\..\lib\common\entropy_common.c" />
-    <ClCompile Include="..\..\..\programs\util.c" />
     <ClCompile Include="..\..\..\lib\common\debug.c" />
     <ClCompile Include="..\..\..\lib\common\fse_decompress.c" />
     <ClCompile Include="..\..\..\lib\common\zstd_common.c" />
@@ -178,6 +177,8 @@
     <ClCompile Include="..\..\..\lib\decompress\zstd_decompress.c" />
     <ClCompile Include="..\..\..\lib\decompress\zstd_decompress_block.c" />
     <ClCompile Include="..\..\..\lib\decompress\zstd_ddict.c" />
+    <ClCompile Include="..\..\..\programs\util.c" />
+    <ClCompile Include="..\..\..\programs\timefn.c" />
     <ClCompile Include="..\..\..\programs\datagen.c" />
     <ClCompile Include="..\..\..\programs\benchfn.c" />
     <ClCompile Include="..\..\..\tests\fullbench.c" />

build/VS2010/fuzzer/fuzzer.vcxproj

@@ -90,7 +90,7 @@
       </PrecompiledHeader>
       <WarningLevel>Level4</WarningLevel>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>ZSTD_MULTITHREAD=1;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <TreatWarningAsError>true</TreatWarningAsError>
       <EnablePREfast>false</EnablePREfast>
     </ClCompile>
@@ -105,7 +105,7 @@
       </PrecompiledHeader>
       <WarningLevel>Level4</WarningLevel>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>ZSTD_MULTITHREAD=1;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <TreatWarningAsError>true</TreatWarningAsError>
       <EnablePREfast>false</EnablePREfast>
     </ClCompile>
@@ -122,7 +122,7 @@
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>ZSTD_MULTITHREAD=1;WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <EnablePREfast>false</EnablePREfast>
       <TreatWarningAsError>false</TreatWarningAsError>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
@@ -142,7 +142,7 @@
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>ZSTD_MULTITHREAD=1;WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <TreatWarningAsError>false</TreatWarningAsError>
       <EnablePREfast>false</EnablePREfast>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
@@ -182,6 +182,7 @@
     <ClCompile Include="..\..\..\lib\dictBuilder\divsufsort.c" />
     <ClCompile Include="..\..\..\lib\dictBuilder\zdict.c" />
     <ClCompile Include="..\..\..\programs\util.c" />
+    <ClCompile Include="..\..\..\programs\timefn.c" />
     <ClCompile Include="..\..\..\programs\datagen.c" />
     <ClCompile Include="..\..\..\tests\fuzzer.c" />
   </ItemGroup>

build/VS2010/zstd/zstd.vcxproj

@@ -53,6 +53,7 @@
     <ClCompile Include="..\..\..\lib\legacy\zstd_v06.c" />
     <ClCompile Include="..\..\..\lib\legacy\zstd_v07.c" />
     <ClCompile Include="..\..\..\programs\util.c" />
+    <ClCompile Include="..\..\..\programs\timefn.c" />
     <ClCompile Include="..\..\..\programs\benchfn.c" />
     <ClCompile Include="..\..\..\programs\benchzstd.c" />
     <ClCompile Include="..\..\..\programs\datagen.c" />

build/cmake/CMakeLists.txt

@@ -7,17 +7,57 @@
 # in the COPYING file in the root directory of this source tree).
 # ################################################################
 
-cmake_minimum_required(VERSION 2.8.9)
+cmake_minimum_required(VERSION 2.8.9 FATAL_ERROR)
+
+# As of 2018-12-26 ZSTD has been validated to build with cmake version 3.13.2 new policies. 
+# Set and use the newest cmake policies that are validated to work 
+set(ZSTD_MAX_VALIDATED_CMAKE_MAJOR_VERSION "3") 
+set(ZSTD_MAX_VALIDATED_CMAKE_MINOR_VERSION "13") #Policies never changed at PATCH level
+if("${CMAKE_MAJOR_VERSION}" LESS 3)
+  set(ZSTD_CMAKE_POLICY_VERSION "${CMAKE_VERSION}") 
+elseif( "${ZSTD_MAX_VALIDATED_CMAKE_MAJOR_VERSION}" EQUAL "${CMAKE_MAJOR_VERSION}" AND 
+        "${ZSTD_MAX_VALIDATED_CMAKE_MINOR_VERSION}" GREATER "${CMAKE_MINOR_VERSION}")
+    set(ZSTD_CMAKE_POLICY_VERSION "${CMAKE_VERSION}") 
+else() 
+    set(ZSTD_CMAKE_POLICY_VERSION "${ZSTD_MAX_VALIDATED_CMAKE_MAJOR_VERSION}.${ZSTD_MAX_VALIDATED_CMAKE_MINOR_VERSION}.0") 
+endif()
+cmake_policy(VERSION ${ZSTD_CMAKE_POLICY_VERSION})
 
-project(zstd)
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules")
 set(ZSTD_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../..")
-
-if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
-  message(STATUS "No build type selected, defaulting to Release")
-  set(CMAKE_BUILD_TYPE "Release")
+set(LIBRARY_DIR ${ZSTD_SOURCE_DIR}/lib)
+# Parse version
+include(GetZstdLibraryVersion)
+GetZstdLibraryVersion(${LIBRARY_DIR}/zstd.h zstd_VERSION_MAJOR zstd_VERSION_MINOR zstd_VERSION_PATCH)
+
+if( CMAKE_MAJOR_VERSION LESS 3 )
+  ## Provide cmake 3+ behavior for older versions of cmake
+  project(zstd)
+  set(PROJECT_VERSION_MAJOR ${zstd_VERSION_MAJOR})
+  set(PROJECT_VERSION_MINOR ${zstd_VERSION_MINOR})
+  set(PROJECT_VERSION_PATCH ${zstd_VERSION_PATCH})
+  set(PROJECT_VERSION "${zstd_VERSION_MAJOR}.${zstd_VERSION_MINOR}.${zstd_VERSION_PATCH}")
+  enable_language(C)   # Main library is in C
+  enable_language(CXX) # Testing contributed code also utilizes CXX
+else()
+  project(zstd
+    VERSION "${zstd_VERSION_MAJOR}.${zstd_VERSION_MINOR}.${zstd_VERSION_PATCH}"
+    LANGUAGES C   # Main library is in C
+              CXX # Testing contributed code also utilizes CXX
+    )
+endif()
+message(STATUS "ZSTD VERSION: ${zstd_VERSION}")
+set(zstd_HOMEPAGE_URL "http://www.zstd.net")
+set(zstd_DESCRIPTION  "Zstandard is a real-time compression algorithm, providing high compression ratios.")
+
+# Set a default build type if none was specified
+if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+  message(STATUS "Setting build type to 'Release' as none was specified.")
+  set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build." FORCE)
+  # Set the possible values of build type for cmake-gui
+  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
 endif()
 
-list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules")
 include(GNUInstallDirs)
 
 #-----------------------------------------------------------------------------