Revert "Revert "added zlib-ng (disabled by default)""

This reverts commit aaafaad.

Author: Yenaled

CMakeLists.txt

@@ -4,6 +4,7 @@ project(splitcode)
 
 include(GNUInstallDirs)
 
+set(EXT_PROJECTS_DIR ${PROJECT_SOURCE_DIR}/ext)
 set(CMAKE_CXX_FLAGS_PROFILE "-g")
 
 if(NOT CMAKE_BUILD_TYPE)
@@ -36,3 +37,23 @@ if (BUILD_FUNCTESTING)
     )
 endif(BUILD_FUNCTESTING)
 
+include(ExternalProject)
+
+
+if (NOT ZLIBNG)
+    set(NO_ZLIBNG "True")
+endif(NOT ZLIBNG)
+
+
+if (NOT NO_ZLIBNG)
+    message("zlib-ng enabled.")
+    ExternalProject_Add(zlib-ng
+    PREFIX ${PROJECT_SOURCE_DIR}/ext/zlib-ng
+    SOURCE_DIR ${PROJECT_SOURCE_DIR}/ext/zlib-ng
+    BUILD_IN_SOURCE 1
+    CONFIGURE_COMMAND mkdir -p build && cd build && cmake .. -DCMAKE_INSTALL_PREFIX=${PREFIX}
+    BUILD_COMMAND cd build && make
+    INSTALL_COMMAND ""
+    )
+endif(NOT NO_ZLIBNG)
+

ext/zlib-ng/.codecov.yaml

@@ -0,0 +1,27 @@
+codecov:
+  max_report_age: off
+  notify:
+    wait_for_ci: false
+  require_ci_to_pass: false
+comment:
+  require_base: false
+  require_head: false
+coverage:
+  status:
+    project:
+      default:
+        threshold: 0.07
+fixes:
+- '/home/actions-runner/_work/zlib-ng/zlib-ng::'
+- '/home/actions-runner/_work/zlib-ng/zlib-ng/build/::'
+ignore:
+- usr/include/.*
+- /usr/include/.*
+- /build/usr/include/.*
+- usr/lib/.*
+- /usr/lib/.*
+- /build/usr/lib/.*
+- usr/lib64/.*
+- /usr/lib64/.*
+- /build/usr/lib64/.*
+- _deps/**/*

ext/zlib-ng/.gitattributes

@@ -0,0 +1,5 @@
+* text=auto
+*.c text
+*.h text
+Makefile text
+configure text eol=lf

ext/zlib-ng/.github/workflows/analyze.yml

@@ -0,0 +1,71 @@
+name: Static Analysis
+on: [push, pull_request]
+jobs:
+  static-analysis:
+    name: GCC
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+
+    - name: Install packages (Ubuntu)
+      run: sudo apt-get install -y gcc-10
+
+    - name: Generate project files
+      run: |
+        cmake . \
+          -DCMAKE_BUILD_TYPE=Release \
+          -DBUILD_SHARED_LIBS=OFF \
+          -DWITH_FUZZERS=OFF \
+          -DWITH_CODE_COVERAGE=OFF \
+          -DWITH_MAINTAINER_WARNINGS=OFF
+      env:
+        CC: gcc-10
+        CFLAGS:
+          -fanalyzer
+          -Werror
+          -Wanalyzer-double-fclose
+          -Wanalyzer-double-free
+          -Wanalyzer-exposure-through-output-file
+          -Wanalyzer-file-leak
+          -Wanalyzer-free-of-non-heap
+          -Wanalyzer-malloc-leak
+          -Wanalyzer-null-argument
+          -Wanalyzer-null-dereference
+          -Wanalyzer-possible-null-argument
+          -Wanalyzer-possible-null-dereference
+          -Wanalyzer-stale-setjmp-buffer
+          -Wanalyzer-tainted-array-index
+          -Wanalyzer-unsafe-call-within-signal-handler
+          -Wanalyzer-use-after-free
+          -Wanalyzer-use-of-pointer-in-stale-stack-frame
+        CI: true
+
+    - name: Compile source code
+      run: cmake --build . --config Release > /dev/null
+
+  Clang:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+
+    - name: Install packages (Ubuntu)
+      run: sudo apt-get install -y clang-tools
+
+    - name: Generate project files
+      run: |
+        scan-build --status-bugs \
+          cmake . \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DBUILD_SHARED_LIBS=OFF \
+            -DWITH_FUZZERS=OFF \
+            -DWITH_CODE_COVERAGE=OFF \
+            -DWITH_MAINTAINER_WARNINGS=OFF
+      env:
+        CI: true
+
+    - name: Compile source code
+      run: |
+        scan-build --status-bugs \
+          cmake --build . --config Release > /dev/null