diff --git a/.cmake-format.yaml b/.cmake-format.yaml new file mode 100644 index 000000000..9c554da15 --- /dev/null +++ b/.cmake-format.yaml @@ -0,0 +1,245 @@ +_help_parse: Options affecting listfile parsing +parse: + _help_additional_commands: + - Specify structure for custom cmake functions + additional_commands: + foo: + flags: + - BAR + - BAZ + kwargs: + HEADERS: '*' + SOURCES: '*' + DEPENDS: '*' + _help_override_spec: + - Override configurations per-command where available + override_spec: {} + _help_vartags: + - Specify variable tags. + vartags: [] + _help_proptags: + - Specify property tags. + proptags: [] +_help_format: Options affecting formatting. +format: + _help_disable: + - Disable formatting entirely, making cmake-format a no-op + disable: false + _help_line_width: + - How wide to allow formatted cmake files + line_width: 80 + _help_tab_size: + - How many spaces to tab for indent + tab_size: 4 + _help_use_tabchars: + - If true, lines are indented using tab characters (utf-8 + - 0x09) instead of space characters (utf-8 0x20). + - In cases where the layout would require a fractional tab + - character, the behavior of the fractional indentation is + - governed by + use_tabchars: false + _help_fractional_tab_policy: + - If is True, then the value of this variable + - indicates how fractional indentions are handled during + - whitespace replacement. If set to 'use-space', fractional + - indentation is left as spaces (utf-8 0x20). If set to + - '`round-up` fractional indentation is replaced with a single' + - tab character (utf-8 0x09) effectively shifting the column + - to the next tabstop + fractional_tab_policy: use-space + _help_max_subgroups_hwrap: + - If an argument group contains more than this many sub-groups + - (parg or kwarg groups) then force it to a vertical layout. + max_subgroups_hwrap: 2 + _help_max_pargs_hwrap: + - If a positional argument group contains more than this many + - arguments, then force it to a vertical layout. + max_pargs_hwrap: 6 + _help_max_rows_cmdline: + - If a cmdline positional group consumes more than this many + - lines without nesting, then invalidate the layout (and nest) + max_rows_cmdline: 2 + _help_separate_ctrl_name_with_space: + - If true, separate flow control names from their parentheses + - with a space + separate_ctrl_name_with_space: false + _help_separate_fn_name_with_space: + - If true, separate function names from parentheses with a + - space + separate_fn_name_with_space: false + _help_dangle_parens: + - If a statement is wrapped to more than one line, than dangle + - the closing parenthesis on its own line. + dangle_parens: false + _help_dangle_align: + - If the trailing parenthesis must be 'dangled' on its on + - 'line, then align it to this reference: `prefix`: the start' + - 'of the statement, `prefix-indent`: the start of the' + - 'statement, plus one indentation level, `child`: align to' + - the column of the arguments + dangle_align: prefix + _help_min_prefix_chars: + - If the statement spelling length (including space and + - parenthesis) is smaller than this amount, then force reject + - nested layouts. + min_prefix_chars: 4 + _help_max_prefix_chars: + - If the statement spelling length (including space and + - parenthesis) is larger than the tab width by more than this + - amount, then force reject un-nested layouts. + max_prefix_chars: 10 + _help_max_lines_hwrap: + - If a candidate layout is wrapped horizontally but it exceeds + - this many lines, then reject the layout. + max_lines_hwrap: 2 + _help_line_ending: + - What style line endings to use in the output. + line_ending: unix + _help_command_case: + - Format command names consistently as 'lower' or 'upper' case + command_case: canonical + _help_keyword_case: + - Format keywords consistently as 'lower' or 'upper' case + keyword_case: unchanged + _help_always_wrap: + - A list of command names which should always be wrapped + always_wrap: [] + _help_enable_sort: + - If true, the argument lists which are known to be sortable + - will be sorted lexicographicall + enable_sort: true + _help_autosort: + - If true, the parsers may infer whether or not an argument + - list is sortable (without annotation). + autosort: false + _help_require_valid_layout: + - By default, if cmake-format cannot successfully fit + - everything into the desired linewidth it will apply the + - last, most aggressive attempt that it made. If this flag is + - True, however, cmake-format will print error, exit with non- + - zero status code, and write-out nothing + require_valid_layout: false + _help_layout_passes: + - A dictionary mapping layout nodes to a list of wrap + - decisions. See the documentation for more information. + layout_passes: {} +_help_markup: Options affecting comment reflow and formatting. +markup: + _help_bullet_char: + - What character to use for bulleted lists + bullet_char: '*' + _help_enum_char: + - What character to use as punctuation after numerals in an + - enumerated list + enum_char: . + _help_first_comment_is_literal: + - If comment markup is enabled, don't reflow the first comment + - block in each listfile. Use this to preserve formatting of + - your copyright/license statements. + first_comment_is_literal: false + _help_literal_comment_pattern: + - If comment markup is enabled, don't reflow any comment block + - which matches this (regex) pattern. Default is `None` + - (disabled). + literal_comment_pattern: null + _help_fence_pattern: + - Regular expression to match preformat fences in comments + - default= ``r'^\s*([`~]{3}[`~]*)(.*)$'`` + fence_pattern: ^\s*([`~]{3}[`~]*)(.*)$ + _help_ruler_pattern: + - Regular expression to match rulers in comments default= + - '``r''^\s*[^\w\s]{3}.*[^\w\s]{3}$''``' + ruler_pattern: ^\s*[^\w\s]{3}.*[^\w\s]{3}$ + _help_explicit_trailing_pattern: + - If a comment line matches starts with this pattern then it + - is explicitly a trailing comment for the preceding argument. + - Default is '#<' + explicit_trailing_pattern: '#<' + _help_hashruler_min_length: + - If a comment line starts with at least this many consecutive + - hash characters, then don't lstrip() them off. This allows + - for lazy hash rulers where the first hash char is not + - separated by space + hashruler_min_length: 10 + _help_canonicalize_hashrulers: + - If true, then insert a space between the first hash char and + - remaining hash chars in a hash ruler, and normalize its + - length to fill the column + canonicalize_hashrulers: true + _help_enable_markup: + - enable comment markup parsing and reflow + enable_markup: true +_help_lint: Options affecting the linter +lint: + _help_disabled_codes: + - a list of lint codes to disable + disabled_codes: [] + _help_function_pattern: + - regular expression pattern describing valid function names + function_pattern: '[0-9a-z_]+' + _help_macro_pattern: + - regular expression pattern describing valid macro names + macro_pattern: '[0-9A-Z_]+' + _help_global_var_pattern: + - regular expression pattern describing valid names for + - variables with global (cache) scope + global_var_pattern: '[A-Z][0-9A-Z_]+' + _help_internal_var_pattern: + - regular expression pattern describing valid names for + - variables with global scope (but internal semantic) + internal_var_pattern: _[A-Z][0-9A-Z_]+ + _help_local_var_pattern: + - regular expression pattern describing valid names for + - variables with local scope + local_var_pattern: '[a-z][a-z0-9_]+' + _help_private_var_pattern: + - regular expression pattern describing valid names for + - privatedirectory variables + private_var_pattern: _[0-9a-z_]+ + _help_public_var_pattern: + - regular expression pattern describing valid names for public + - directory variables + public_var_pattern: '[A-Z][0-9A-Z_]+' + _help_argument_var_pattern: + - regular expression pattern describing valid names for + - function/macro arguments and loop variables. + argument_var_pattern: '[a-z][a-z0-9_]+' + _help_keyword_pattern: + - regular expression pattern describing valid names for + - keywords used in functions or macros + keyword_pattern: '[A-Z][0-9A-Z_]+' + _help_max_conditionals_custom_parser: + - In the heuristic for C0201, how many conditionals to match + - within a loop in before considering the loop a parser. + max_conditionals_custom_parser: 2 + _help_min_statement_spacing: + - Require at least this many newlines between statements + min_statement_spacing: 1 + _help_max_statement_spacing: + - Require no more than this many newlines between statements + max_statement_spacing: 2 + max_returns: 6 + max_branches: 12 + max_arguments: 5 + max_localvars: 15 + max_statements: 50 +_help_encode: Options affecting file encoding +encode: + _help_emit_byteorder_mark: + - If true, emit the unicode byte-order mark (BOM) at the start + - of the file + emit_byteorder_mark: false + _help_input_encoding: + - Specify the encoding of the input file. Defaults to utf-8 + input_encoding: utf-8 + _help_output_encoding: + - Specify the encoding of the output file. Defaults to utf-8. + - Note that cmake only claims to support utf-8 so be careful + - when using anything else + output_encoding: utf-8 +_help_misc: Miscellaneous configurations options. +misc: + _help_per_command: + - A dictionary containing any per-command configuration + - overrides. Currently only `command_case` is supported. + per_command: {} diff --git a/.github/workflows/c-std.yml b/.github/workflows/c-std.yml new file mode 100644 index 000000000..b6e116bbc --- /dev/null +++ b/.github/workflows/c-std.yml @@ -0,0 +1,233 @@ +name: C Standard + +# Compile with as many C standards as possible. +# The worflow is setup to fail on any compilation warnings. + +on: + workflow_dispatch: + push: + pull_request: + +jobs: + + main: + name: ${{ matrix.os.name }} ${{ matrix.compiler }} ${{ matrix.arch.name }} ${{ matrix.std.name }} ${{ matrix.builder }} + runs-on: ${{ matrix.os.value }} + strategy: + fail-fast: false + matrix: + os: + - name: Linux + value: ubuntu-latest + + - name: MacOS + value: macos-latest + + - name: Windows + value: windows-latest + cmake-opt: -G Ninja + + compiler: + - gcc + - clang + + arch: + - name: 64-bit + tag: amd64 + compiler-opt: -m64 + cmake-opt: -A x64 + + - name: 32-bit + tag: i386 + compiler-opt: -m32 + cmake-opt: -A Win32 + + + builder: + - configure + - cmake + + std: + - name: c89 + value: c89 + compiler-opt: -DZLIB_INSECURE + + - name: gnu89 + value: gnu89 + compiler-opt: -DZLIB_INSECURE + + - name: c94 + value: iso9899:199409 + compiler-opt: -DZLIB_INSECURE + + - name: c99 + value: c99 + + - name: gnu99 + value: gnu99 + + - name: c11 + value: c11 + + - name: gnu11 + value: gnu11 + + - name: c17 + value: c17 + + - name: gnu17 + value: gnu17 + + - name: c2x + value: c2x + + - name: gnu2x + value: gnu2x + + exclude: + # Don't run 32-bit on MacOS + - { os: { name: MacOS }, + arch: { tag: i386 } } + + # Don't run configure on Windows + - { os: { name: Windows }, + builder: configure } + + # Don't run gcc 32-bit on Windows + - { os: { name: Windows }, + arch: { tag: i386 } } + + steps: + + - name: Checkout repository + uses: actions/checkout@v4 + with: + show-progress: 'false' + + - name: Install packages (Linux) + if: runner.os == 'Linux' && matrix.arch.tag == 'i386' + run: | + sudo apt-get update + sudo apt install gcc-multilib libc6-dev-i386-cross + + - name: Install packages (Windows) + if: runner.os == 'Windows' + run: | + choco install --no-progress ninja + + - name: Generate project files (configure) + if: matrix.builder == 'configure' + run: | + ./configure + env: + CC: ${{ matrix.compiler }} + CFLAGS: -std=${{ matrix.std.value }} ${{ matrix.std.compiler-opt }} ${{ matrix.arch.compiler-opt }} -Werror -Wall -Wextra + + - name: Compile source code (configure) + if: matrix.builder == 'configure' + run: make -j2 + + - name: Run test cases (configure) + if: matrix.builder == 'configure' + run: | + make test + make cover + + - name: Generate project files (cmake) + if: matrix.builder == 'cmake' + run: | + cmake -S . -B ./build1 -D CMAKE_BUILD_TYPE=Release ${{ matrix.os.cmake-opt }} -DZLIB_BUILD_TESTING=OFF + env: + CC: ${{ matrix.compiler }} + CFLAGS: -std=${{ matrix.std.value }} ${{ matrix.std.compiler-opt }} ${{ matrix.arch.compiler-opt }} -Werror -Wall -Wextra + + - name: Generate project files with tests (cmake) + if: matrix.builder == 'cmake' + run: | + cmake -S . -B ./build2 -D CMAKE_BUILD_TYPE=Release ${{ matrix.os.cmake-opt }} -DZLIB_BUILD_MINIZIP=ON -DMINIZIP_ENABLE_BZIP2=OFF + env: + CC: ${{ matrix.compiler }} + CFLAGS: -std=${{ matrix.std.value }} ${{ matrix.std.compiler-opt }} ${{ matrix.arch.compiler-opt }} -Wall -Wextra + + - name: Compile source code (cmake) + if: matrix.builder == 'cmake' + run: cmake --build ./build1 --config Release + + - name: Compile source code with tests (cmake) + if: matrix.builder == 'cmake' + run: cmake --build ./build2 --config Release + + - name: Run test cases (cmake) + if: matrix.builder == 'cmake' + run: ctest ./build2 -C Release --output-on-failure --max-width 120 + + + msvc: + name: ${{ matrix.os.name }} ${{ matrix.compiler }} ${{ matrix.arch.name }} ${{ matrix.std.name }} ${{ matrix.builder }} + runs-on: ${{ matrix.os.value }} + strategy: + fail-fast: false + matrix: + os: + - name: Windows + value: windows-latest + + compiler: + - cl + + arch: + - name: 32-bit + value: -A Win32 + + - name: 64-bit + value: -A x64 + + builder: + - cmake + + std: + - name: default + value: "" + + - name: C11 + value: /std:c11 + + - name: C17 + value: /std:c17 + + # not available on the runner yet + # - name: C20 + # value: /std:c20 + + - name: latest + value: /std:clatest + + steps: + + - name: Checkout repository + uses: actions/checkout@v4 + with: + show-progress: 'false' + + - name: Generate project files (cmake) + run: | + cmake -S . -B ./build1 ${{ matrix.arch.value }} -D CMAKE_BUILD_TYPE=Release -DZLIB_BUILD_TESTING=OFF + env: + CC: ${{ matrix.compiler }} + CFLAGS: /WX ${{ matrix.std.value }} + + - name: Generate project files with tests (cmake) + run: | + cmake -S . -B ./build2 ${{ matrix.arch.value }} -D CMAKE_BUILD_TYPE=Release -DZLIB_BUILD_MINIZIP=ON -DMINIZIP_ENABLE_BZIP2=OFF + env: + CC: ${{ matrix.compiler }} + CFLAGS: ${{ matrix.std.value }} + + - name: Compile source code (cmake) + run: cmake --build ./build1 --config Release -v + + - name: Compile source code with tests(cmake) + run: cmake --build ./build2 --config Release -v + + - name: Run test cases (cmake) + run: ctest ./build2 -C Release --output-on-failure --max-width 120 diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml new file mode 100644 index 000000000..60fdf5959 --- /dev/null +++ b/.github/workflows/cmake.yml @@ -0,0 +1,126 @@ +name: CMake +on: [push, pull_request] +jobs: + ci-cmake: + name: ${{ matrix.name }} + runs-on: ${{ matrix.os }} + strategy: + fail-fast: false + matrix: + include: + - name: Ubuntu GCC + os: ubuntu-latest + compiler: gcc + cflags: -Wall -Wextra + pkgtgt: package package_source + cmake-args: -DMINIZIP_ENABLE_BZIP2=ON + + - name: Ubuntu GCC -O3 + os: ubuntu-latest + compiler: gcc + cflags: -O3 -Wall -Wextra + pkgtgt: package package_source + cmake-args: -DMINIZIP_ENABLE_BZIP2=ON + + - name: Ubuntu Clang + os: ubuntu-latest + compiler: clang + cflags: -Wall -Wextra + pkgtgt: package package_source + cmake-args: -DMINIZIP_ENABLE_BZIP2=ON + + - name: Ubuntu Clang Debug + os: ubuntu-latest + compiler: clang + cflags: -Wall -Wextra + build-config: Debug + pkgtgt: package package_source + cmake-args: -DMINIZIP_ENABLE_BZIP2=ON + + - name: Windows MSVC Win32 + os: windows-latest + compiler: cl + cflags: /W3 + cmake-args: -A Win32 + pkgtgt: PACKAGE + + - name: Windows MSVC Win64 + os: windows-latest + compiler: cl + cflags: /W3 + cmake-args: -A x64 -DMINIZIP_ENABLE_BZIP2=OFF + pkgtgt: PACKAGE + + - name: Windows GCC + os: windows-latest + compiler: gcc + cflags: -Wall -Wextra + cmake-args: -G Ninja -DMINIZIP_ENABLE_BZIP2=OFF + pkgtgt: package + + - name: macOS Clang + os: macos-latest + compiler: clang + cflags: -Wall -Wextra + pkgtgt: package + cmake-args: -DMINIZIP_ENABLE_BZIP2=ON + + - name: macOS GCC 13 + os: macos-latest + compiler: gcc-13 + cflags: -Wall -Wextra + pkgtgt: package + cmake-args: -DMINIZIP_ENABLE_BZIP2=ON + + - name: macOS GCC 14 + os: macos-latest + compiler: gcc-14 + cflags: -Wall -Wextra + pkgtgt: package + cmake-args: -DMINIZIP_ENABLE_BZIP2=ON + + - name: macOS GCC 15 + os: macos-latest + compiler: gcc-15 + cflags: -Wall -Wextra + pkgtgt: package + cmake-args: -DMINIZIP_ENABLE_BZIP2=ON + + steps: + - name: Checkout repository + uses: actions/checkout@v4 + + - name: Install packages (Windows) + if: runner.os == 'Windows' + run: | + choco install --no-progress nsis + + - name: Install packages (Linux) + if: runner.os == 'Linux' + run: | + sudo apt install libbz2-dev + - name: Generate project files + run: cmake -S . -B ../build ${{ matrix.cmake-args }} -D CMAKE_BUILD_TYPE=${{ matrix.build-config || 'Release' }} -DZLIB_BUILD_MINIZIP=ON + env: + CC: ${{ matrix.compiler }} + CFLAGS: ${{ matrix.cflags }} + + - name: Compile source code + run: cmake --build ../build --config ${{ matrix.build-config || 'Release' }} + + - name: Run test cases + run: ctest -C Release --output-on-failure --max-width 120 + working-directory: ../build + + - name: create packages + run: cmake --build ../build --config ${{ matrix.build-config || 'Release' }} -t ${{ matrix.pkgtgt }} + + - name: Upload build errors + uses: actions/upload-artifact@v4 + if: failure() + with: + name: ${{ matrix.name }} (cmake) + path: | + ../build/CMakeFiles/CMakeOutput.log + ../build/CMakeFiles/CMakeError.log + retention-days: 7 diff --git a/.github/workflows/configure.yml b/.github/workflows/configure.yml new file mode 100644 index 000000000..837620d42 --- /dev/null +++ b/.github/workflows/configure.yml @@ -0,0 +1,146 @@ +name: Configure +on: [push, pull_request] +jobs: + ci-configure: + name: ${{ matrix.name }} + runs-on: ${{ matrix.os }} + strategy: + fail-fast: false + matrix: + include: + - name: Ubuntu GCC + os: ubuntu-latest + compiler: gcc + configure-args: --warn + + # Test out of source builds + - name: Ubuntu GCC OSB + os: ubuntu-latest + compiler: gcc + configure-args: --warn + build-dir: ../build + src-dir: ../zlib + + - name: Ubuntu GCC ARM SF + os: ubuntu-latest + compiler: arm-linux-gnueabi-gcc + configure-args: --warn + chost: arm-linux-gnueabi + packages: qemu-system qemu-user gcc-arm-linux-gnueabi libc-dev-armel-cross + qemu-run: qemu-arm -L /usr/arm-linux-gnueabi + + - name: Ubuntu GCC ARM HF + os: ubuntu-latest + compiler: arm-linux-gnueabihf-gcc + configure-args: --warn + chost: arm-linux-gnueabihf + packages: qemu-system qemu-user gcc-arm-linux-gnueabihf libc-dev-armhf-cross + qemu-run: qemu-arm -L /usr/arm-linux-gnueabihf + + - name: Ubuntu GCC AARCH64 + os: ubuntu-latest + compiler: aarch64-linux-gnu-gcc + configure-args: --warn + chost: aarch64-linux-gnu + packages: qemu-system qemu-user gcc-aarch64-linux-gnu libc-dev-arm64-cross + qemu-run: qemu-aarch64 -L /usr/aarch64-linux-gnu + + - name: Ubuntu GCC PPC + os: ubuntu-latest + compiler: powerpc-linux-gnu-gcc + configure-args: --warn --static + chost: powerpc-linux-gnu + packages: qemu-system qemu-user gcc-powerpc-linux-gnu libc-dev-powerpc-cross + qemu-run: qemu-ppc -L /usr/powerpc-linux-gnu + cflags: -static + ldflags: -static + + - name: Ubuntu GCC PPC64 + os: ubuntu-latest + compiler: powerpc64-linux-gnu-gcc + configure-args: --warn --static + chost: powerpc-linux-gnu + packages: qemu-system qemu-user gcc-powerpc64-linux-gnu libc-dev-ppc64-cross + qemu-run: qemu-ppc64 -L /usr/powerpc64-linux-gnu + cflags: -static + ldflags: -static + + - name: Ubuntu GCC PPC64LE + os: ubuntu-latest + compiler: powerpc64le-linux-gnu-gcc + configure-args: --warn + chost: powerpc64le-linux-gnu + packages: qemu-system qemu-user gcc-powerpc64le-linux-gnu libc-dev-ppc64el-cross + qemu-run: qemu-ppc64le -L /usr/powerpc64le-linux-gnu + + - name: Ubuntu GCC S390X + os: ubuntu-latest + compiler: s390x-linux-gnu-gcc + configure-args: --warn --static + chost: s390x-linux-gnu + packages: qemu-system qemu-user gcc-s390x-linux-gnu libc-dev-s390x-cross + qemu-run: qemu-s390x -L /usr/s390x-linux-gnu + cflags: -static + ldflags: -static + + - name: macOS GCC 13 + os: macos-latest + compiler: gcc-13 + configure-args: --warn + + - name: macOS GCC 14 + os: macos-latest + compiler: gcc-14 + configure-args: --warn + + - name: macOS GCC 15 + os: macos-latest + compiler: gcc-15 + configure-args: --warn + + - name: macOS Clang + os: macos-latest + compiler: clang + configure-args: --warn + + steps: + - name: Checkout repository + uses: actions/checkout@v4 + + - name: Install packages (Ubuntu) + if: runner.os == 'Linux' && matrix.packages + run: | + sudo apt-get update + sudo apt-get install -y ${{ matrix.packages }} + + - name: Generate project files + run: | + [ -d ${{ matrix.build-dir || '.' }} ] || mkdir ${{ matrix.build-dir || '.' }} + cd ${{ matrix.build-dir || '.' }} + ${{ matrix.src-dir || '.' }}/configure ${{ matrix.configure-args }} + env: + CC: ${{ matrix.compiler }} + CFLAGS: ${{ matrix.cflags }} + LDFLAGS: ${{ matrix.ldflags }} + CHOST: ${{ matrix.chost }} + + - name: Compile source code + run: make -j2 + working-directory: ${{ matrix.build-dir }} + + - name: Run test cases + run: | + make test + make cover + working-directory: ${{ matrix.build-dir }} + env: + QEMU_RUN: ${{ matrix.qemu-run }} + + - name: Upload build errors + uses: actions/upload-artifact@v4 + if: failure() + with: + name: ${{ matrix.name }} (configure) + path: | + ${{ matrix.build-dir || '.' }}/configure.log + retention-days: 7 diff --git a/.github/workflows/fuzz.yml b/.github/workflows/fuzz.yml new file mode 100644 index 000000000..ddca83c37 --- /dev/null +++ b/.github/workflows/fuzz.yml @@ -0,0 +1,25 @@ +name: OSS-Fuzz +on: [pull_request] +jobs: + Fuzzing: + runs-on: ubuntu-latest + steps: + - name: Build Fuzzers + uses: google/oss-fuzz/infra/cifuzz/actions/build_fuzzers@master + with: + oss-fuzz-project-name: 'zlib' + dry-run: false + + - name: Run Fuzzers + uses: google/oss-fuzz/infra/cifuzz/actions/run_fuzzers@master + with: + oss-fuzz-project-name: 'zlib' + fuzz-seconds: 300 + dry-run: false + + - name: Upload Crash + uses: actions/upload-artifact@v4 + if: failure() + with: + name: artifacts + path: ./out/artifacts diff --git a/.github/workflows/msys-cygwin.yml b/.github/workflows/msys-cygwin.yml new file mode 100644 index 000000000..e76be9f0d --- /dev/null +++ b/.github/workflows/msys-cygwin.yml @@ -0,0 +1,77 @@ +name: mingw/cygwin + +on: [push, pull_request] + +jobs: + MSys: + runs-on: windows-latest + strategy: + fail-fast: false + matrix: + sys: [mingw32, mingw64, ucrt64, clang64] + name: MSys - ${{ matrix.sys }} + defaults: + run: + shell: msys2 {0} + steps: + - name: Checkout + uses: actions/checkout@v4 + with: + fetch-depth: 0 + - name: Setup MSYS2 + uses: msys2/setup-msys2@v2 + with: + msystem: ${{ matrix.sys }} + update: true + install: >- + make + pacboy: >- + toolchain:p + cmake:p + - name: Configure + run: | + cmake -G"Unix Makefiles" \ + -S . \ + -B build \ + -DCMAKE_VERBOSE_MAKEFILE=ON \ + -DCMAKE_BUILD_TYPE=Release \ + -DMINIZIP_ENABLE_BZIP2=ON + - name: Build + run: cmake --build build --config Release + - name: Run tests + run: ctest --output-on-failure --test-dir build -C Release + + cygwin: + strategy: + fail-fast: false + runs-on: windows-latest + defaults: + run: + shell: C:\cygwin\bin\bash.exe --login -o igncr '{0}' + name: Cygwin + steps: + - name: Checkout + uses: actions/checkout@v4 + with: + fetch-depth: 0 + - name: Setup cygwin + uses: cygwin/cygwin-install-action@master + with: + packages: >- + cmake + cygwin-devel + gcc-core + gcc-g++ + ninja + - name: Configure + run: | + cmake /cygdrive/d/a/zlib/zlib \ + -B build \ + -DCMAKE_BUILD_TYPE=Release \ + -DZLIB_BUILD_MINIZIP=ON \ + -DMINIZIP_ENABLE_BZIP2=OFF \ + -G Ninja + - name: Build + run: cmake --build build --config Release -v -j1 + - name: Run tests + run: ctest --output-on-failure --test-dir build -C Release diff --git a/.gitignore b/.gitignore index b1c7422fe..8d069ed38 100644 --- a/.gitignore +++ b/.gitignore @@ -13,14 +13,39 @@ *.gcno *.gcov +/zconf.h +/Makefile /example /example64 /examplesh -/libz.so* +**/libz.so* /minigzip /minigzip64 /minigzipsh /zlib.pc /configure.log +/build .DS_Store +.vs +*.user +*.nupkg +contrib/vstudio/vc143/x86 +contrib/vstudio/vc143/x64 +contrib/vstudio/vc143/arm +contrib/vstudio/vc143/arm64 +contrib/nuget/bin +contrib/nuget/obj +*.included + +# Bazel directories +/bazel-* +/bazel-bin +/bazel-genfiles +/bazel-out +/bazel-testlogs +user.bazelrc + +# MODULE.bazel.lock is ignored for now as per this recommendation: +# https://github.com/bazelbuild/bazel/issues/20369 +MODULE.bazel.lock diff --git a/BUILD.bazel b/BUILD.bazel new file mode 100644 index 000000000..9a294f2f2 --- /dev/null +++ b/BUILD.bazel @@ -0,0 +1,134 @@ +# Copied from https://github.com/bazelbuild/bazel-central-registry/tree/main/modules/zlib/1.3.1.bcr.4/patches +# Adapted from https://github.com/protocolbuffers/protobuf/blob/master/third_party/zlib.BUILD + +# Copyright 2008 Google Inc. All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Code generated by the Protocol Buffer compiler is owned by the owner +# of the input file used when generating it. This code is not +# standalone and requires a support library to be linked with it. This +# support library is itself covered by the above license. + +load("@rules_cc//cc:defs.bzl", "cc_library") +load("@rules_license//rules:license.bzl", "license") + +package( + default_applicable_licenses = [":license"], +) + +license( + name = "license", + license_kinds = ["@rules_license//licenses/spdx:Zlib"], + license_text = "LICENSE", +) + +exports_files([ + "LICENSE", +]) + +_ZLIB_HEADERS = [ + "crc32.h", + "deflate.h", + "gzguts.h", + "inffast.h", + "inffixed.h", + "inflate.h", + "inftrees.h", + "trees.h", + "zconf.h", + "zlib.h", + "zutil.h", +] + +_ZLIB_PREFIXED_HEADERS = ["zlib/include/" + hdr for hdr in _ZLIB_HEADERS] + +# In order to limit the damage from the `includes` propagation +# via `:zlib`, copy the public headers to a subdirectory and +# expose those. +genrule( + name = "copy_public_headers", + srcs = _ZLIB_HEADERS, + outs = _ZLIB_PREFIXED_HEADERS, + cmd_bash = "cp $(SRCS) $(@D)/zlib/include/", + cmd_bat = " && ".join( + ["@copy /Y \"$(location %s)\" \"$(@D)\\zlib\\include\\\" >NUL" % + s for s in _ZLIB_HEADERS], + ), +) + +config_setting( + name = "mingw_gcc_compiler", + flag_values = { + "@bazel_tools//tools/cpp:compiler": "mingw-gcc", + }, + visibility = [":__subpackages__"], +) + +cc_library( + name = "z", + srcs = [ + "adler32.c", + "compress.c", + "crc32.c", + "deflate.c", + "gzclose.c", + "gzlib.c", + "gzread.c", + "gzwrite.c", + "infback.c", + "inffast.c", + "inflate.c", + "inftrees.c", + "trees.c", + "uncompr.c", + "zutil.c", + # Include the un-prefixed headers in srcs to work + # around the fact that zlib isn't consistent in its + # choice of <> or "" delimiter when including itself. + ] + _ZLIB_HEADERS, + hdrs = _ZLIB_PREFIXED_HEADERS, + copts = select({ + ":mingw_gcc_compiler": [ + "-fpermissive", + ], + "@platforms//os:windows": [], + "//conditions:default": [ + "-Wno-deprecated-non-prototype", + "-Wno-unused-variable", + "-Wno-implicit-function-declaration", + ], + }), + includes = ["zlib/include/"], + visibility = ["//visibility:public"], +) + +alias( + name = "zlib", + actual = ":z", + visibility = ["//visibility:public"], +) diff --git a/CMakeLists.txt b/CMakeLists.txt index e108c16f8..66dd72818 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1,99 +1,130 @@ -cmake_minimum_required(VERSION 2.4.4) -set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS ON) +cmake_minimum_required(VERSION 3.12...3.31) + +project( + zlib + LANGUAGES C + VERSION 1.4.1.1 + HOMEPAGE_URL "https://zlib.net/" + DESCRIPTION "a general-purpose lossless data-compression library") + +# ============================================================================ +# CPack +# ============================================================================ +set(CPACK_PACKAGE_VENDOR "zlib-Project") +set(CPACK_PACKAGE_DESCRIPTION_FILE ${zlib_SOURCE_DIR}/README) +set(CPACK_RESOURCE_FILE_LICENSE ${zlib_SOURCE_DIR}/LICENSE) +set(CPACK_RESOURCE_FILE_README ${zlib_SOURCE_DIR}/README) + +# ============================================================================ +# configuration +# ============================================================================ + +option(ZLIB_BUILD_TESTING "Enable Zlib Examples as tests" ON) +option(ZLIB_BUILD_SHARED "Enable building zlib shared library" ON) +option(ZLIB_BUILD_STATIC "Enable building zlib static library" ON) +option(ZLIB_INSTALL "Enable installation of zlib" ON) +option(ZLIB_PREFIX "prefix for all types and library functions, see zconf.h.in" + OFF) +mark_as_advanced(ZLIB_PREFIX) + +if(WIN32) + option(ZLIB_INSTALL_COMPAT_DLL "Install a copy as zlib1.dll" ON) +endif(WIN32) + +get_property(IS_MULTI GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG) + +if(NOT DEFINED CMAKE_BUILD_TYPE AND NOT IS_MULTI) + message(STATUS "No CMAKE_BUILD_TYPE set -- using Release") + set(CMAKE_BUILD_TYPE Release) +endif(NOT DEFINED CMAKE_BUILD_TYPE AND NOT IS_MULTI) -project(zlib C) - -set(VERSION "1.2.11.1") - -option(ASM686 "Enable building i686 assembly implementation") -option(AMD64 "Enable building amd64 assembly implementation") - -set(INSTALL_BIN_DIR "${CMAKE_INSTALL_PREFIX}/bin" CACHE PATH "Installation directory for executables") -set(INSTALL_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib" CACHE PATH "Installation directory for libraries") -set(INSTALL_INC_DIR "${CMAKE_INSTALL_PREFIX}/include" CACHE PATH "Installation directory for headers") -set(INSTALL_MAN_DIR "${CMAKE_INSTALL_PREFIX}/share/man" CACHE PATH "Installation directory for manual pages") -set(INSTALL_PKGCONFIG_DIR "${CMAKE_INSTALL_PREFIX}/share/pkgconfig" CACHE PATH "Installation directory for pkgconfig (.pc) files") - -include(CheckTypeSize) +include(CheckCSourceCompiles) include(CheckFunctionExists) include(CheckIncludeFile) -include(CheckCSourceCompiles) -enable_testing() - -check_include_file(sys/types.h HAVE_SYS_TYPES_H) -check_include_file(stdint.h HAVE_STDINT_H) -check_include_file(stddef.h HAVE_STDDEF_H) +include(CMakePackageConfigHelpers) +include(CheckTypeSize) +include(CPack) +include(GNUInstallDirs) + +set(CPACK_INCLUDED TRUE) + +if(NOT ZLIB_CONF_WRITTEN) + set(Z_PREFIX ${ZLIB_PREFIX}) + set(CONF_OUT_FILE ${zlib_BINARY_DIR}/zconf.h.cmakein) + file(READ ${zlib_SOURCE_DIR}/zconf.h ZCONF_CONTENT LIMIT 245) + file(WRITE ${CONF_OUT_FILE} ${ZCONF_CONTENT}) + file(APPEND ${CONF_OUT_FILE} "#cmakedefine Z_PREFIX 1\n") + file(APPEND ${CONF_OUT_FILE} "#cmakedefine HAVE_STDARG_H 1\n") + file(APPEND ${CONF_OUT_FILE} "#cmakedefine HAVE_UNISTD_H 1\n") + file(READ ${zlib_SOURCE_DIR}/zconf.h ZCONF_CONTENT OFFSET 244) + set(FIRST_ITEM TRUE) + + foreach(item IN LISTS ZCONF_CONTENT) + if(FIRST_ITEM) + string(APPEND OUT_CONTENT ${item}) + set(FIRST_ITEM FALSE) + else(FIRST_ITEM) + string(APPEND OUT_CONTENT "\;" ${item}) + endif(FIRST_ITEM) + endforeach(item IN LISTS ${ZCONF_CONTENT}) + + file(APPEND ${CONF_OUT_FILE} ${OUT_CONTENT}) + set(ZLIB_CONF_WRITTEN + TRUE + CACHE BOOL "zconf.h.cmakein was created") + mark_as_advanced(ZLIB_CONF_WRITTEN) +endif(NOT ZLIB_CONF_WRITTEN) # # Check to see if we have large file support # set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1) -# We add these other definitions here because CheckTypeSize.cmake -# in CMake 2.4.x does not automatically do so and we want -# compatibility with CMake 2.4.x. -if(HAVE_SYS_TYPES_H) - list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_SYS_TYPES_H) -endif() -if(HAVE_STDINT_H) - list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDINT_H) -endif() -if(HAVE_STDDEF_H) - list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDDEF_H) -endif() check_type_size(off64_t OFF64_T) -if(HAVE_OFF64_T) - add_definitions(-D_LARGEFILE64_SOURCE=1) -endif() -set(CMAKE_REQUIRED_DEFINITIONS) # clear variable +unset(CMAKE_REQUIRED_DEFINITIONS) # clear variable # # Check for fseeko # check_function_exists(fseeko HAVE_FSEEKO) -if(NOT HAVE_FSEEKO) - add_definitions(-DNO_FSEEKO) -endif() + +# +# Check for stdarg.h +# +check_include_file(stdarg.h HAVE_STDARG_H) # # Check for unistd.h # -check_include_file(unistd.h Z_HAVE_UNISTD_H) +check_include_file(unistd.h HAVE_UNISTD_H) +# +# Check visibility attribute is supported +# if(MSVC) - set(CMAKE_DEBUG_POSTFIX "d") - add_definitions(-D_CRT_SECURE_NO_DEPRECATE) - add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE) - include_directories(${CMAKE_CURRENT_SOURCE_DIR}) -endif() - -if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR) - # If we're doing an out of source build and the user has a zconf.h - # in their source tree... - if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h) - message(STATUS "Renaming") - message(STATUS " ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h") - message(STATUS "to 'zconf.h.included' because this file is included with zlib") - message(STATUS "but CMake generates it automatically in the build directory.") - file(RENAME ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.included) - endif() -endif() - -set(ZLIB_PC ${CMAKE_CURRENT_BINARY_DIR}/zlib.pc) -configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zlib.pc.cmakein - ${ZLIB_PC} @ONLY) -configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.cmakein - ${CMAKE_CURRENT_BINARY_DIR}/zconf.h @ONLY) -include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_SOURCE_DIR}) - - -#============================================================================ + set(CMAKE_REQUIRED_FLAGS "-WX") +else(MSVC) + set(CMAKE_REQUIRED_FLAGS "-WError") +endif(MSVC) + +check_c_source_compiles( + " + #include + static void f(void) __attribute__ ((visibility(\"hidden\"))); + int main(void) {return 0;} + " + HAVE___ATTR__VIS_HIDDEN) + +unset(CMAKE_COMPILE_FLAGS) +set(ZLIB_PC ${zlib_BINARY_DIR}/zlib.pc) +configure_file(${zlib_SOURCE_DIR}/zlib.pc.cmakein ${ZLIB_PC} @ONLY) +configure_file(${zlib_BINARY_DIR}/zconf.h.cmakein ${zlib_BINARY_DIR}/zconf.h) + +# ============================================================================ # zlib -#============================================================================ +# ============================================================================ + +set(ZLIB_PUBLIC_HDRS ${zlib_BINARY_DIR}/zconf.h zlib.h) -set(ZLIB_PUBLIC_HDRS - ${CMAKE_CURRENT_BINARY_DIR}/zconf.h - zlib.h -) set(ZLIB_PRIVATE_HDRS crc32.h deflate.h @@ -103,8 +134,8 @@ set(ZLIB_PRIVATE_HDRS inflate.h inftrees.h trees.h - zutil.h -) + zutil.h) + set(ZLIB_SRCS adler32.c compress.c @@ -120,130 +151,177 @@ set(ZLIB_SRCS inffast.c trees.c uncompr.c - zutil.c -) - -if(NOT MINGW) - set(ZLIB_DLL_SRCS - win32/zlib1.rc # If present will override custom build rule below. - ) -endif() - -if(CMAKE_COMPILER_IS_GNUCC) - if(ASM686) - set(ZLIB_ASMS contrib/asm686/match.S) - elseif (AMD64) - set(ZLIB_ASMS contrib/amd64/amd64-match.S) - endif () - - if(ZLIB_ASMS) - add_definitions(-DASMV) - set_source_files_properties(${ZLIB_ASMS} PROPERTIES LANGUAGE C COMPILE_FLAGS -DNO_UNDERLINE) - endif() -endif() + zutil.c) -if(MSVC) - if(ASM686) - ENABLE_LANGUAGE(ASM_MASM) - set(ZLIB_ASMS - contrib/masmx86/inffas32.asm - contrib/masmx86/match686.asm - ) - elseif (AMD64) - ENABLE_LANGUAGE(ASM_MASM) - set(ZLIB_ASMS - contrib/masmx64/gvmat64.asm - contrib/masmx64/inffasx64.asm - ) - endif() - - if(ZLIB_ASMS) - add_definitions(-DASMV -DASMINF) - endif() -endif() - -# parse the full version number from zlib.h and include in ZLIB_FULL_VERSION -file(READ ${CMAKE_CURRENT_SOURCE_DIR}/zlib.h _zlib_h_contents) -string(REGEX REPLACE ".*#define[ \t]+ZLIB_VERSION[ \t]+\"([-0-9A-Za-z.]+)\".*" - "\\1" ZLIB_FULL_VERSION ${_zlib_h_contents}) - -if(MINGW) - # This gets us DLL resource information when compiling on MinGW. - if(NOT CMAKE_RC_COMPILER) - set(CMAKE_RC_COMPILER windres.exe) - endif() - - add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj - COMMAND ${CMAKE_RC_COMPILER} - -D GCC_WINDRES - -I ${CMAKE_CURRENT_SOURCE_DIR} - -I ${CMAKE_CURRENT_BINARY_DIR} - -o ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj - -i ${CMAKE_CURRENT_SOURCE_DIR}/win32/zlib1.rc) - set(ZLIB_DLL_SRCS ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj) -endif(MINGW) - -add_library(zlib SHARED ${ZLIB_SRCS} ${ZLIB_ASMS} ${ZLIB_DLL_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS}) -add_library(zlibstatic STATIC ${ZLIB_SRCS} ${ZLIB_ASMS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS}) -set_target_properties(zlib PROPERTIES DEFINE_SYMBOL ZLIB_DLL) -set_target_properties(zlib PROPERTIES SOVERSION 1) - -if(NOT CYGWIN) - # This property causes shared libraries on Linux to have the full version - # encoded into their final filename. We disable this on Cygwin because - # it causes cygz-${ZLIB_FULL_VERSION}.dll to be created when cygz.dll - # seems to be the default. - # - # This has no effect with MSVC, on that platform the version info for - # the DLL comes from the resource file win32/zlib1.rc - set_target_properties(zlib PROPERTIES VERSION ${ZLIB_FULL_VERSION}) -endif() - -if(UNIX) - # On unix-like platforms the library is almost always called libz - set_target_properties(zlib zlibstatic PROPERTIES OUTPUT_NAME z) - if(NOT APPLE) - set_target_properties(zlib PROPERTIES LINK_FLAGS "-Wl,--version-script,\"${CMAKE_CURRENT_SOURCE_DIR}/zlib.map\"") - endif() -elseif(BUILD_SHARED_LIBS AND WIN32) - # Creates zlib1.dll when building shared library version - set_target_properties(zlib PROPERTIES SUFFIX "1.dll") -endif() - -if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL ) - install(TARGETS zlib zlibstatic - RUNTIME DESTINATION "${INSTALL_BIN_DIR}" - ARCHIVE DESTINATION "${INSTALL_LIB_DIR}" - LIBRARY DESTINATION "${INSTALL_LIB_DIR}" ) -endif() -if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL ) - install(FILES ${ZLIB_PUBLIC_HDRS} DESTINATION "${INSTALL_INC_DIR}") -endif() -if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL ) - install(FILES zlib.3 DESTINATION "${INSTALL_MAN_DIR}/man3") -endif() -if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL ) - install(FILES ${ZLIB_PC} DESTINATION "${INSTALL_PKGCONFIG_DIR}") -endif() - -#============================================================================ -# Example binaries -#============================================================================ - -add_executable(example test/example.c) -target_link_libraries(example zlib) -add_test(example example) - -add_executable(minigzip test/minigzip.c) -target_link_libraries(minigzip zlib) - -if(HAVE_OFF64_T) - add_executable(example64 test/example.c) - target_link_libraries(example64 zlib) - set_target_properties(example64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64") - add_test(example64 example64) - - add_executable(minigzip64 test/minigzip.c) - target_link_libraries(minigzip64 zlib) - set_target_properties(minigzip64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64") -endif() +if(WIN32) + set(zlib_static_suffix "s") + set(CMAKE_DEBUG_POSTFIX "d") +endif(WIN32) + +if(ZLIB_BUILD_SHARED) + add_library( + zlib SHARED ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS} + $<$,$>:win32/zlib1.rc>) + add_library(ZLIB::ZLIB ALIAS zlib) + target_include_directories( + zlib + PUBLIC $ + $ + $) + target_compile_definitions( + zlib + PRIVATE ZLIB_BUILD + $<$:NO_FSEEKO> + $<$:HAVE_HIDDEN> + $<$:_CRT_SECURE_NO_DEPRECATE> + $<$:_CRT_NONSTDC_NO_DEPRECATE> + PUBLIC $<$:_LARGEFILE64_SOURCE=1>) + set(INSTALL_VERSION ${zlib_VERSION}) + + if(NOT CYGWIN) + set_target_properties(zlib PROPERTIES SOVERSION ${zlib_VERSION_MAJOR} + VERSION ${INSTALL_VERSION}) + endif(NOT CYGWIN) + + set_target_properties( + zlib + PROPERTIES DEFINE_SYMBOL ZLIB_DLL + EXPORT_NAME ZLIB + OUTPUT_NAME z) + if(UNIX + AND NOT APPLE + AND NOT (CMAKE_SYSTEM_NAME STREQUAL AIX)) + # On unix-like platforms the library is almost always called libz + set_target_properties( + zlib + PROPERTIES LINK_FLAGS + "-Wl,--version-script,\"${zlib_SOURCE_DIR}/zlib.map\"") + endif( + UNIX + AND NOT APPLE + AND NOT (CMAKE_SYSTEM_NAME STREQUAL AIX)) +endif(ZLIB_BUILD_SHARED) + +if(ZLIB_BUILD_STATIC) + add_library(zlibstatic STATIC ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} + ${ZLIB_PRIVATE_HDRS}) + add_library(ZLIB::ZLIBSTATIC ALIAS zlibstatic) + target_include_directories( + zlibstatic + PUBLIC $ + $ + $) + target_compile_definitions( + zlibstatic + PRIVATE ZLIB_BUILD + $<$:NO_FSEEKO> + $<$:HAVE_HIDDEN> + $<$:_CRT_SECURE_NO_DEPRECATE> + $<$:_CRT_NONSTDC_NO_DEPRECATE> + PUBLIC $<$:_LARGEFILE64_SOURCE=1>) + set_target_properties( + zlibstatic PROPERTIES EXPORT_NAME ZLIBSTATIC OUTPUT_NAME + z${zlib_static_suffix}) +endif(ZLIB_BUILD_STATIC) + +if(ZLIB_INSTALL) + if(ZLIB_BUILD_SHARED) + install( + TARGETS zlib + COMPONENT Runtime + EXPORT zlibSharedExport + RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" + ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}" + LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}") + install( + EXPORT zlibSharedExport + FILE ZLIB-shared.cmake + NAMESPACE ZLIB:: + DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/zlib) + if(ZLIB_INSTALL_COMPAT_DLL) + install( + FILES $ + COMPONENT Development + RENAME zlib1.dll + DESTINATION "${CMAKE_INSTALL_BINDIR}") + endif(ZLIB_INSTALL_COMPAT_DLL) + + if(MSVC) + install( + FILES $ + COMPONENT Runtime + DESTINATION ${CMAKE_INSTALL_BINDIR} + CONFIGURATIONS Debug OR RelWithDebInfo + OPTIONAL) + endif(MSVC) + endif(ZLIB_BUILD_SHARED) + + if(ZLIB_BUILD_STATIC) + install( + TARGETS zlibstatic + COMPONENT Development + EXPORT zlibStaticExport + RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" + ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}" + LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}") + install( + EXPORT zlibStaticExport + FILE ZLIB-static.cmake + NAMESPACE ZLIB:: + DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/zlib) + + if(ZLIB_INSTALL_COMPAT_DLL AND MINGW) + install( + FILES $ + COMPONENT Development + RENAME libz.dll.a + DESTINATION "${CMAKE_INSTALL_LIBDIR}") + endif(ZLIB_INSTALL_COMPAT_DLL AND MINGW) + endif(ZLIB_BUILD_STATIC) + + configure_package_config_file( + ${zlib_SOURCE_DIR}/zlibConfig.cmake.in + ${zlib_BINARY_DIR}/ZLIBConfig.cmake + INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/zlib) + + write_basic_package_version_file( + "${zlib_BINARY_DIR}/ZLIBConfigVersion.cmake" + VERSION "${zlib_VERSION}" + COMPATIBILITY AnyNewerVersion) + + install(FILES ${zlib_BINARY_DIR}/ZLIBConfig.cmake + ${zlib_BINARY_DIR}/ZLIBConfigVersion.cmake + DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/zlib) + install( + FILES ${ZLIB_PUBLIC_HDRS} + COMPONENT Development + DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}") + install( + FILES zlib.3 + COMPONENT Docs + DESTINATION "${CMAKE_INSTALL_MANDIR}/man3") + install( + FILES LICENSE + doc/algorithm.txt + doc/crc-doc.1.0.pdf + doc/rfc1950.txt + doc/rfc1951.txt + doc/rfc1952.txt + doc/txtvsbin.txt + COMPONENT Docs + DESTINATION "${CMAKE_INSTALL_DOCDIR}/zlib") + install( + FILES ${ZLIB_PC} + COMPONENT Development + DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig") +endif(ZLIB_INSTALL) + +# ============================================================================ +# Tests +# ============================================================================ +if(ZLIB_BUILD_TESTING) + enable_testing() + add_subdirectory(test) +endif(ZLIB_BUILD_TESTING) + +add_subdirectory(contrib) diff --git a/ChangeLog b/ChangeLog index 9c6d95b8d..0571d81b7 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,8 +1,134 @@ ChangeLog file for zlib -Changes in 1.2.11.1 (xx Jan 2017) -- +Changes in 1.3.1.2 (8 Dec 2025) +- Improve portability to RISC OS +- Permit compiling contrib/minizip/unzip.c with decryption +- Enable build of shared library on AIX +- Make deflateBound() more conservative and handle Z_STREAM_END +- Add zipAlreadyThere() to minizip zip.c to help avoid duplicates +- Make z_off_t 64 bits by default +- Add deflateUsed() function to get the used bits in the last byte +- Avoid out-of-bounds pointer arithmetic in inflateCopy() +- Add Haiku to configure for proper LDSHARED settings +- Add Bazel targets +- Complete rewrite of CMake build [Vollstrecker] +- Clarify the use of errnum in gzerror() +- Note that gzseek() requests are deferred until the next operation +- Note the use of gzungetc() to run a deferred seek while reading +- Fix bug in inflatePrime() for 16-bit ints +- Add a "G" option to force gzip, disabling transparency in gzread() +- Improve the discrimination between trailing garbage and bad gzip +- Allow gzflush() to write empty gzip members +- Remove redundant frees of point list on error in examples/zran.c +- Clarify the use of inflateGetHeader() +- Update links to the RFCs +- Return all available uncompressed data on error in gzread.c +- Support non-blocking devices in the gz* routines +- Various other small improvements + +Changes in 1.3.1 (22 Jan 2024) +- Reject overflows of zip header fields in minizip +- Fix bug in inflateSync() for data held in bit buffer +- Add LIT_MEM define to use more memory for a small deflate speedup +- Fix decision on the emission of Zip64 end records in minizip +- Add bounds checking to ERR_MSG() macro, used by zError() +- Neutralize zip file traversal attacks in miniunz +- Fix a bug in ZLIB_DEBUG compiles in check_match() +- Various portability and appearance improvements + +Changes in 1.3 (18 Aug 2023) +- Remove K&R function definitions and zlib2ansi +- Fix bug in deflateBound() for level 0 and memLevel 9 +- Fix bug when gzungetc() is used immediately after gzopen() +- Fix bug when using gzflush() with a very small buffer +- Fix crash when gzsetparams() attempted for transparent write +- Fix test/example.c to work with FORCE_STORED +- Rewrite of zran in examples (see zran.c version history) +- Fix minizip to allow it to open an empty zip file +- Fix reading disk number start on zip64 files in minizip +- Fix logic error in minizip argument processing +- Add minizip testing to Makefile +- Read multiple bytes instead of byte-by-byte in minizip unzip.c +- Add memory sanitizer to configure (--memory) +- Various portability improvements +- Various documentation improvements +- Various spelling and typo corrections + +Changes in 1.2.13 (13 Oct 2022) +- Fix configure issue that discarded provided CC definition +- Correct incorrect inputs provided to the CRC functions +- Repair prototypes and exporting of new CRC functions +- Fix inflateBack to detect invalid input with distances too far +- Have infback() deliver all of the available output up to any error +- Fix a bug when getting a gzip header extra field with inflate() +- Fix bug in block type selection when Z_FIXED used +- Tighten deflateBound bounds +- Remove deleted assembler code references +- Various portability and appearance improvements + +Changes in 1.2.12 (27 Mar 2022) +- Cygwin does not have _wopen(), so do not create gzopen_w() there +- Permit a deflateParams() parameter change as soon as possible +- Limit hash table inserts after switch from stored deflate +- Fix bug when window full in deflate_stored() +- Fix CLEAR_HASH macro to be usable as a single statement +- Avoid a conversion error in gzseek when off_t type too small +- Have Makefile return non-zero error code on test failure +- Avoid some conversion warnings in gzread.c and gzwrite.c +- Update use of errno for newer Windows CE versions +- Small speedup to inflate [psumbera] +- Return an error if the gzputs string length can't fit in an int +- Add address checking in clang to -w option of configure +- Don't compute check value for raw inflate if asked to validate +- Handle case where inflateSync used when header never processed +- Avoid the use of ptrdiff_t +- Avoid an undefined behavior of memcpy() in gzappend() +- Avoid undefined behaviors of memcpy() in gz*printf() +- Avoid an undefined behavior of memcpy() in _tr_stored_block() +- Make the names in functions declarations identical to definitions +- Remove old assembler code in which bugs have manifested +- Fix deflateEnd() to not report an error at start of raw deflate +- Add legal disclaimer to README +- Emphasize the need to continue decompressing gzip members +- Correct the initialization requirements for deflateInit2() +- Fix a bug that can crash deflate on some input when using Z_FIXED +- Assure that the number of bits for deflatePrime() is valid +- Use a structure to make globals in enough.c evident +- Use a macro for the printf format of big_t in enough.c +- Clean up code style in enough.c, update version +- Use inline function instead of macro for index in enough.c +- Clarify that prefix codes are counted in enough.c +- Show all the codes for the maximum tables size in enough.c +- Add gznorm.c example, which normalizes gzip files +- Fix the zran.c example to work on a multiple-member gzip file +- Add tables for crc32_combine(), to speed it up by a factor of 200 +- Add crc32_combine_gen() and crc32_combine_op() for fast combines +- Speed up software CRC-32 computation by a factor of 1.5 to 3 +- Use atomic test and set, if available, for dynamic CRC tables +- Don't bother computing check value after successful inflateSync() +- Correct comment in crc32.c +- Add use of the ARMv8 crc32 instructions when requested +- Use ARM crc32 instructions if the ARM architecture has them +- Explicitly note that the 32-bit check values are 32 bits +- Avoid adding empty gzip member after gzflush with Z_FINISH +- Fix memory leak on error in gzlog.c +- Fix error in comment on the polynomial representation of a byte +- Clarify gz* function interfaces, referring to parameter names +- Change macro name in inflate.c to avoid collision in VxWorks +- Correct typo in blast.c +- Improve portability of contrib/minizip +- Fix indentation in minizip's zip.c +- Replace black/white with allow/block. (theresa-m) +- minizip warning fix if MAXU32 already defined. (gvollant) +- Fix unztell64() in minizip to work past 4GB. (Daniël Hörchner) +- Clean up minizip to reduce warnings for testing +- Add fallthrough comments for gcc +- Eliminate use of ULL constants +- Separate out address sanitizing from warnings in configure +- Remove destructive aspects of make distclean +- Check for cc masquerading as gcc or clang in configure +- Fix crc32.c to compile local functions only if used Changes in 1.2.11 (15 Jan 2017) - Fix deflate stored bug when pulling last block from window @@ -99,7 +225,7 @@ Changes in 1.2.7.1 (24 Mar 2013) - Fix types in contrib/minizip to match result of get_crc_table() - Simplify contrib/vstudio/vc10 with 'd' suffix - Add TOP support to win32/Makefile.msc -- Suport i686 and amd64 assembler builds in CMakeLists.txt +- Support i686 and amd64 assembler builds in CMakeLists.txt - Fix typos in the use of _LARGEFILE64_SOURCE in zconf.h - Add vc11 and vc12 build files to contrib/vstudio - Add gzvprintf() as an undocumented function in zlib @@ -299,14 +425,14 @@ Changes in 1.2.5.1 (10 Sep 2011) - Use u4 type for crc_table to avoid conversion warnings - Apply casts in zlib.h to avoid conversion warnings - Add OF to prototypes for adler32_combine_ and crc32_combine_ [Miller] -- Improve inflateSync() documentation to note indeterminancy +- Improve inflateSync() documentation to note indeterminacy - Add deflatePending() function to return the amount of pending output - Correct the spelling of "specification" in FAQ [Randers-Pehrson] - Add a check in configure for stdarg.h, use for gzprintf() - Check that pointers fit in ints when gzprint() compiled old style - Add dummy name before $(SHAREDLIBV) in Makefile [Bar-Lev, Bowler] - Delete line in configure that adds -L. libz.a to LDFLAGS [Weigelt] -- Add debug records in assmebler code [Londer] +- Add debug records in assembler code [Londer] - Update RFC references to use http://tools.ietf.org/html/... [Li] - Add --archs option, use of libtool to configure for Mac OS X [Borstel] @@ -514,7 +640,7 @@ Changes in 1.2.3.5 (8 Jan 2010) - Don't use _vsnprintf on later versions of MSVC [Lowman] - Add CMake build script and input file [Lowman] - Update contrib/minizip to 1.1 [Svensson, Vollant] -- Moved nintendods directory from contrib to . +- Moved nintendods directory from contrib to root - Replace gzio.c with a new set of routines with the same functionality - Add gzbuffer(), gzoffset(), gzclose_r(), gzclose_w() as part of above - Update contrib/minizip to 1.1b @@ -688,7 +814,7 @@ Changes in 1.2.2.4 (11 July 2005) - Be more strict on incomplete code sets in inflate_table() and increase ENOUGH and MAXD -- this repairs a possible security vulnerability for invalid inflate input. Thanks to Tavis Ormandy and Markus Oberhumer for - discovering the vulnerability and providing test cases. + discovering the vulnerability and providing test cases - Add ia64 support to configure for HP-UX [Smith] - Add error return to gzread() for format or i/o error [Levin] - Use malloc.h for OS/2 [Necasek] @@ -724,7 +850,7 @@ Changes in 1.2.2.2 (30 December 2004) - Add Z_FIXED strategy option to deflateInit2() to force fixed trees - Add updated make_vms.com [Coghlan], update README - Create a new "examples" directory, move gzappend.c there, add zpipe.c, - fitblk.c, gzlog.[ch], gzjoin.c, and zlib_how.html. + fitblk.c, gzlog.[ch], gzjoin.c, and zlib_how.html - Add FAQ entry and comments in deflate.c on uninitialized memory access - Add Solaris 9 make options in configure [Gilbert] - Allow strerror() usage in gzio.c for STDC @@ -795,7 +921,7 @@ Changes in 1.2.1.1 (9 January 2004) - Fix a big fat bug in inftrees.c that prevented decoding valid dynamic blocks with only literals and no distance codes -- Thanks to "Hot Emu" for the bug report and sample file -- Add a note to puff.c on no distance codes case. +- Add a note to puff.c on no distance codes case Changes in 1.2.1 (17 November 2003) - Remove a tab in contrib/gzappend/gzappend.c @@ -973,7 +1099,7 @@ Changes in 1.2.0.1 (17 March 2003) - Include additional header file on VMS for off_t typedef - Try to use _vsnprintf where it supplants vsprintf [Vollant] - Add some casts in inffast.c -- Enchance comments in zlib.h on what happens if gzprintf() tries to +- Enhance comments in zlib.h on what happens if gzprintf() tries to write more than 4095 bytes before compression - Remove unused state from inflateBackEnd() - Remove exit(0) from minigzip.c, example.c @@ -1039,14 +1165,14 @@ Changes in 1.2.0 (9 March 2003) - Add contrib/puff/ simple inflate for deflate format description Changes in 1.1.4 (11 March 2002) -- ZFREE was repeated on same allocation on some error conditions. +- ZFREE was repeated on same allocation on some error conditions This creates a security problem described in http://www.zlib.org/advisory-2002-03-11.txt - Returned incorrect error (Z_MEM_ERROR) on some invalid data - Avoid accesses before window for invalid distances with inflate window - less than 32K. + less than 32K - force windowBits > 8 to avoid a bug in the encoder for a window size - of 256 bytes. (A complete fix will be available in 1.1.5). + of 256 bytes. (A complete fix will be available in 1.1.5) Changes in 1.1.3 (9 July 1998) - fix "an inflate input buffer bug that shows up on rare but persistent @@ -1120,7 +1246,7 @@ Changes in 1.1.1 (27 Feb 98) - remove block truncation heuristic which had very marginal effect for zlib (smaller lit_bufsize than in gzip 1.2.4) and degraded a little the compression ratio on some files. This also allows inlining _tr_tally for - matches in deflate_slow. + matches in deflate_slow - added msdos/Makefile.w32 for WIN32 Microsoft Visual C++ (Bob Frazier) Changes in 1.1.0 (24 Feb 98) @@ -1151,7 +1277,7 @@ Changes in 1.0.9 (17 Feb 1998) - Avoid gcc 2.8.0 comparison bug a little differently than zlib 1.0.8 - in inftrees.c, avoid cc -O bug on HP (Farshid Elahi) - in zconf.h move the ZLIB_DLL stuff earlier to avoid problems with - the declaration of FAR (Gilles VOllant) + the declaration of FAR (Gilles Vollant) - install libz.so* with mode 755 (executable) instead of 644 (Marc Lehmann) - read_buf buf parameter of type Bytef* instead of charf* - zmemcpy parameters are of type Bytef*, not charf* (Joseph Strout) @@ -1165,7 +1291,7 @@ Changes in 1.0.8 (27 Jan 1998) - include sys/types.h to get off_t on some systems (Marc Lehmann & QingLong) - use constant arrays for the static trees in trees.c instead of computing them at run time (thanks to Ken Raeburn for this suggestion). To create - trees.h, compile with GEN_TREES_H and run "make test". + trees.h, compile with GEN_TREES_H and run "make test" - check return code of example in "make test" and display result - pass minigzip command line options to file_compress - simplifying code of inflateSync to avoid gcc 2.8 bug @@ -1204,12 +1330,12 @@ Changes in 1.0.6 (19 Jan 1998) - add functions gzprintf, gzputc, gzgetc, gztell, gzeof, gzseek, gzrewind and gzsetparams (thanks to Roland Giersig and Kevin Ruland for some of this code) - Fix a deflate bug occurring only with compression level 0 (thanks to - Andy Buckler for finding this one). -- In minigzip, pass transparently also the first byte for .Z files. + Andy Buckler for finding this one) +- In minigzip, pass transparently also the first byte for .Z files - return Z_BUF_ERROR instead of Z_OK if output buffer full in uncompress() - check Z_FINISH in inflate (thanks to Marc Schluper) - Implement deflateCopy (thanks to Adam Costello) -- make static libraries by default in configure, add --shared option. +- make static libraries by default in configure, add --shared option - move MSDOS or Windows specific files to directory msdos - suppress the notion of partial flush to simplify the interface (but the symbol Z_PARTIAL_FLUSH is kept for compatibility with 1.0.4) @@ -1221,7 +1347,7 @@ Changes in 1.0.6 (19 Jan 1998) - added Makefile.nt (thanks to Stephen Williams) - added the unsupported "contrib" directory: contrib/asm386/ by Gilles Vollant - 386 asm code replacing longest_match(). + 386 asm code replacing longest_match() contrib/iostream/ by Kevin Ruland A C++ I/O streams interface to the zlib gz* functions contrib/iostream2/ by Tyge Løvset @@ -1229,7 +1355,7 @@ Changes in 1.0.6 (19 Jan 1998) contrib/untgz/ by "Pedro A. Aranda Guti\irrez" A very simple tar.gz file extractor using zlib contrib/visual-basic.txt by Carlos Rios - How to use compress(), uncompress() and the gz* functions from VB. + How to use compress(), uncompress() and the gz* functions from VB - pass params -f (filtered data), -h (huffman only), -1 to -9 (compression level) in minigzip (thanks to Tom Lane) @@ -1238,8 +1364,8 @@ Changes in 1.0.6 (19 Jan 1998) - add undocumented function inflateSyncPoint() (hack for Paul Mackerras) - add undocumented function zError to convert error code to string (for Tim Smithers) -- Allow compilation of gzio with -DNO_DEFLATE to avoid the compression code. -- Use default memcpy for Symantec MSDOS compiler. +- Allow compilation of gzio with -DNO_DEFLATE to avoid the compression code +- Use default memcpy for Symantec MSDOS compiler - Add EXPORT keyword for check_func (needed for Windows DLL) - add current directory to LD_LIBRARY_PATH for "make test" - create also a link for libz.so.1 @@ -1252,7 +1378,7 @@ Changes in 1.0.6 (19 Jan 1998) - allow compilation with ANSI keywords only enabled for TurboC in large model - avoid "versionString"[0] (Borland bug) - add NEED_DUMMY_RETURN for Borland -- use variable z_verbose for tracing in debug mode (L. Peter Deutsch). +- use variable z_verbose for tracing in debug mode (L. Peter Deutsch) - allow compilation with CC - defined STDC for OS/2 (David Charlap) - limit external names to 8 chars for MVS (Thomas Lund) @@ -1262,7 +1388,7 @@ Changes in 1.0.6 (19 Jan 1998) - use _fdopen instead of fdopen for MSC >= 6.0 (Thomas Fanslau) - added makelcc.bat for lcc-win32 (Tom St Denis) - in Makefile.dj2, use copy and del instead of install and rm (Frank Donahoe) -- Avoid expanded $Id$. Use "rcs -kb" or "cvs admin -kb" to avoid Id expansion. +- Avoid expanded $Id$. Use "rcs -kb" or "cvs admin -kb" to avoid Id expansion - check for unistd.h in configure (for off_t) - remove useless check parameter in inflate_blocks_free - avoid useless assignment of s->check to itself in inflate_blocks_new @@ -1283,7 +1409,7 @@ Changes in 1.0.5 (3 Jan 98) Changes in 1.0.4 (24 Jul 96) - In very rare conditions, deflate(s, Z_FINISH) could fail to produce an EOF bit, so the decompressor could decompress all the correct data but went - on to attempt decompressing extra garbage data. This affected minigzip too. + on to attempt decompressing extra garbage data. This affected minigzip too - zlibVersion and gzerror return const char* (needed for DLL) - port to RISCOS (no fdopen, no multiple dots, no unlink, no fileno) - use z_error only for DEBUG (avoid problem with DLLs) @@ -1313,7 +1439,7 @@ Changes in 1.0.1 (20 May 96) [1.0 skipped to avoid confusion] - fix array overlay in deflate.c which sometimes caused bad compressed data - fix inflate bug with empty stored block - fix MSDOS medium model which was broken in 0.99 -- fix deflateParams() which could generate bad compressed data. +- fix deflateParams() which could generate bad compressed data - Bytef is define'd instead of typedef'ed (work around Borland bug) - added an INDEX file - new makefiles for DJGPP (Makefile.dj2), 32-bit Borland (Makefile.b32), @@ -1334,7 +1460,7 @@ Changes in 0.99 (27 Jan 96) - allow preset dictionary shared between compressor and decompressor - allow compression level 0 (no compression) - add deflateParams in zlib.h: allow dynamic change of compression level - and compression strategy. + and compression strategy - test large buffers and deflateParams in example.c - add optional "configure" to build zlib as a shared library - suppress Makefile.qnx, use configure instead @@ -1373,33 +1499,33 @@ Changes in 0.99 (27 Jan 96) - fix typo in Make_vms.com (f$trnlnm -> f$getsyi) - in fcalloc, normalize pointer if size > 65520 bytes - don't use special fcalloc for 32 bit Borland C++ -- use STDC instead of __GO32__ to avoid redeclaring exit, calloc, etc... +- use STDC instead of __GO32__ to avoid redeclaring exit, calloc, etc. - use Z_BINARY instead of BINARY - document that gzclose after gzdopen will close the file -- allow "a" as mode in gzopen. +- allow "a" as mode in gzopen - fix error checking in gzread - allow skipping .gz extra-field on pipes - added reference to Perl interface in README - put the crc table in FAR data (I dislike more and more the medium model :) - added get_crc_table -- added a dimension to all arrays (Borland C can't count). +- added a dimension to all arrays (Borland C can't count) - workaround Borland C bug in declaration of inflate_codes_new & inflate_fast - guard against multiple inclusion of *.h (for precompiled header on Mac) -- Watcom C pretends to be Microsoft C small model even in 32 bit mode. +- Watcom C pretends to be Microsoft C small model even in 32 bit mode - don't use unsized arrays to avoid silly warnings by Visual C++: warning C4746: 'inflate_mask' : unsized array treated as '__far' - (what's wrong with far data in far model?). + (what's wrong with far data in far model?) - define enum out of inflate_blocks_state to allow compilation with C++ Changes in 0.95 (16 Aug 95) - fix MSDOS small and medium model (now easier to adapt to any compiler) - inlined send_bits - fix the final (:-) bug for deflate with flush (output was correct but - not completely flushed in rare occasions). + not completely flushed in rare occasions) - default window size is same for compression and decompression - (it's now sufficient to set MAX_WBITS in zconf.h). + (it's now sufficient to set MAX_WBITS in zconf.h) - voidp -> voidpf and voidnp -> voidp (for consistency with other - typedefs and because voidnp was not near in large model). + typedefs and because voidnp was not near in large model) Changes in 0.94 (13 Aug 95) - support MSDOS medium model @@ -1408,12 +1534,12 @@ Changes in 0.94 (13 Aug 95) - added support for VMS - allow a compression level in gzopen() - gzflush now calls fflush -- For deflate with flush, flush even if no more input is provided. +- For deflate with flush, flush even if no more input is provided - rename libgz.a as libz.a - avoid complex expression in infcodes.c triggering Turbo C bug - work around a problem with gcc on Alpha (in INSERT_STRING) - don't use inline functions (problem with some gcc versions) -- allow renaming of Byte, uInt, etc... with #define. +- allow renaming of Byte, uInt, etc... with #define - avoid warning about (unused) pointer before start of array in deflate.c - avoid various warnings in gzio.c, example.c, infblock.c, adler32.c, zutil.c - avoid reserved word 'new' in trees.c @@ -1432,7 +1558,7 @@ Changes in 0.92 (3 May 95) - no memcpy on Pyramid - suppressed inftest.c - optimized fill_window, put longest_match inline for gcc -- optimized inflate on stored blocks. +- optimized inflate on stored blocks - untabify all sources to simplify patches Changes in 0.91 (2 May 95) @@ -1450,7 +1576,7 @@ Changes in 0.9 (1 May 95) - let again gzread copy uncompressed data unchanged (was working in 0.71) - deflate(Z_FULL_FLUSH), inflateReset and inflateSync are now fully implemented - added a test of inflateSync in example.c -- moved MAX_WBITS to zconf.h because users might want to change that. +- moved MAX_WBITS to zconf.h because users might want to change that - document explicitly that zalloc(64K) on MSDOS must return a normalized pointer (zero offset) - added Makefiles for Microsoft C, Turbo C, Borland C++ @@ -1459,7 +1585,7 @@ Changes in 0.9 (1 May 95) Changes in 0.8 (29 April 95) - added fast inflate (inffast.c) - deflate(Z_FINISH) now returns Z_STREAM_END when done. Warning: this - is incompatible with previous versions of zlib which returned Z_OK. + is incompatible with previous versions of zlib which returned Z_OK - work around a TurboC compiler bug (bad code for b << 0, see infutil.h) (actually that was not a compiler bug, see 0.81 above) - gzread no longer reads one extra byte in certain cases @@ -1469,50 +1595,50 @@ Changes in 0.8 (29 April 95) Changes in 0.71 (14 April 95) - Fixed more MSDOS compilation problems :( There is still a bug with - TurboC large model. + TurboC large model Changes in 0.7 (14 April 95) -- Added full inflate support. +- Added full inflate support - Simplified the crc32() interface. The pre- and post-conditioning (one's complement) is now done inside crc32(). WARNING: this is - incompatible with previous versions; see zlib.h for the new usage. + incompatible with previous versions; see zlib.h for the new usage Changes in 0.61 (12 April 95) -- workaround for a bug in TurboC. example and minigzip now work on MSDOS. +- workaround for a bug in TurboC. example and minigzip now work on MSDOS Changes in 0.6 (11 April 95) - added minigzip.c - added gzdopen to reopen a file descriptor as gzFile -- added transparent reading of non-gziped files in gzread. +- added transparent reading of non-gziped files in gzread - fixed bug in gzread (don't read crc as data) -- fixed bug in destroy (gzio.c) (don't return Z_STREAM_END for gzclose). +- fixed bug in destroy (gzio.c) (don't return Z_STREAM_END for gzclose) - don't allocate big arrays in the stack (for MSDOS) - fix some MSDOS compilation problems Changes in 0.5: - do real compression in deflate.c. Z_PARTIAL_FLUSH is supported but - not yet Z_FULL_FLUSH. + not yet Z_FULL_FLUSH - support decompression but only in a single step (forced Z_FINISH) -- added opaque object for zalloc and zfree. +- added opaque object for zalloc and zfree - added deflateReset and inflateReset -- added a variable zlib_version for consistency checking. -- renamed the 'filter' parameter of deflateInit2 as 'strategy'. - Added Z_FILTERED and Z_HUFFMAN_ONLY constants. +- added a variable zlib_version for consistency checking +- renamed the 'filter' parameter of deflateInit2 as 'strategy' + Added Z_FILTERED and Z_HUFFMAN_ONLY constants Changes in 0.4: -- avoid "zip" everywhere, use zlib instead of ziplib. +- avoid "zip" everywhere, use zlib instead of ziplib - suppress Z_BLOCK_FLUSH, interpret Z_PARTIAL_FLUSH as block flush - if compression method == 8. + if compression method == 8 - added adler32 and crc32 - renamed deflateOptions as deflateInit2, call one or the other but not both -- added the method parameter for deflateInit2. +- added the method parameter for deflateInit2 - added inflateInit2 -- simplied considerably deflateInit and inflateInit by not supporting +- simplified considerably deflateInit and inflateInit by not supporting user-provided history buffer. This is supported only in deflateInit2 - and inflateInit2. + and inflateInit2 Changes in 0.3: - prefix all macro names with Z_ -- use Z_FINISH instead of deflateEnd to finish compression. +- use Z_FINISH instead of deflateEnd to finish compression - added Z_HUFFMAN_ONLY - added gzerror() diff --git a/FAQ b/FAQ index 99b7cf92e..43d51b7da 100644 --- a/FAQ +++ b/FAQ @@ -4,7 +4,7 @@ If your question is not there, please check the zlib home page http://zlib.net/ which may have more recent information. -The lastest zlib FAQ is at http://zlib.net/zlib_faq.html +The latest zlib FAQ is at http://zlib.net/zlib_faq.html 1. Is zlib Y2K-compliant? @@ -14,13 +14,12 @@ The lastest zlib FAQ is at http://zlib.net/zlib_faq.html 2. Where can I get a Windows DLL version? The zlib sources can be compiled without change to produce a DLL. See the - file win32/DLL_FAQ.txt in the zlib distribution. Pointers to the - precompiled DLL are found in the zlib web site at http://zlib.net/ . + file win32/DLL_FAQ.txt in the zlib distribution. 3. Where can I get a Visual Basic interface to zlib? See - * http://marknelson.us/1997/01/01/zlib-engine/ + * https://zlib.net/nelson/ * win32/DLL_FAQ.txt in the zlib distribution 4. compress() returns Z_BUF_ERROR. @@ -157,6 +156,10 @@ The lastest zlib FAQ is at http://zlib.net/zlib_faq.html library memory allocation routines by default. zlib's *Init* functions allow for the application to provide custom memory allocation routines. + If the non-default BUILDFIXED or DYNAMIC_CRC_TABLE defines are used on a + system without atomics (e.g. pre-C11), then inflate() and crc32() will not + be thread safe. + Of course, you should only operate on any given zlib or gzip stream from a single thread at a time. @@ -259,20 +262,20 @@ The lastest zlib FAQ is at http://zlib.net/zlib_faq.html 33. Does zlib have any security vulnerabilities? The only one that we are aware of is potentially in gzprintf(). If zlib is - compiled to use sprintf() or vsprintf(), then there is no protection - against a buffer overflow of an 8K string space (or other value as set by - gzbuffer()), other than the caller of gzprintf() assuring that the output - will not exceed 8K. On the other hand, if zlib is compiled to use - snprintf() or vsnprintf(), which should normally be the case, then there is - no vulnerability. The ./configure script will display warnings if an - insecure variation of sprintf() will be used by gzprintf(). Also the - zlibCompileFlags() function will return information on what variant of - sprintf() is used by gzprintf(). + compiled to use sprintf() or vsprintf(), which requires that ZLIB_INSECURE + be defined, then there is no protection against a buffer overflow of an 8K + string space (or other value as set by gzbuffer()), other than the caller + of gzprintf() assuring that the output will not exceed 8K. On the other + hand, if zlib is compiled to use snprintf() or vsnprintf(), which should + normally be the case, then there is no vulnerability. The ./configure + script will display warnings if an insecure variation of sprintf() will be + used by gzprintf(). Also the zlibCompileFlags() function will return + information on what variant of sprintf() is used by gzprintf(). If you don't have snprintf() or vsnprintf() and would like one, you can - find a portable implementation here: + find a good portable implementation in stb_sprintf.h here: - http://www.ijs.si/software/snprintf/ + https://github.com/nothings/stb Note that you should be using the most recent version of zlib. Versions 1.1.3 and before were subject to a double-free vulnerability, and versions diff --git a/LICENSE b/LICENSE new file mode 100644 index 000000000..61229c397 --- /dev/null +++ b/LICENSE @@ -0,0 +1,22 @@ +Copyright notice: + + (C) 1995-2025 Jean-loup Gailly and Mark Adler + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + + Jean-loup Gailly Mark Adler + jloup@gzip.org madler@alumni.caltech.edu diff --git a/MODULE.bazel b/MODULE.bazel new file mode 100644 index 000000000..cb4c13ef3 --- /dev/null +++ b/MODULE.bazel @@ -0,0 +1,9 @@ +module( + name = "zlib", + version = "0.0.0", + compatibility_level = 1, +) + +bazel_dep(name = "platforms", version = "0.0.10") +bazel_dep(name = "rules_cc", version = "0.0.16") +bazel_dep(name = "rules_license", version = "1.0.0") diff --git a/Makefile.in b/Makefile.in index 3413266ae..52d5c2c40 100644 --- a/Makefile.in +++ b/Makefile.in @@ -1,5 +1,5 @@ # Makefile for zlib -# Copyright (C) 1995-2017 Jean-loup Gailly, Mark Adler +# Copyright (C) 1995-2024 Jean-loup Gailly, Mark Adler # For conditions of distribution and use, see copyright notice in zlib.h # To compile and test, type: @@ -7,16 +7,14 @@ # Normally configure builds both a static and a shared library. # If you want to build just a static library, use: ./configure --static -# To use the asm code, type: -# cp contrib/asm?86/match.S ./match.S -# make LOC=-DASMV OBJA=match.o - # To install /usr/local/lib/libz.* and /usr/local/include/zlib.h, type: # make install # To install in $HOME instead of /usr/local, use: # make install prefix=$HOME CC=cc +GCOV=GCOV +LLVM_GCOV_FLAG=LLMV_GCOV_FLAG CFLAGS=-O #CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7 @@ -26,13 +24,13 @@ CFLAGS=-O SFLAGS=-O LDFLAGS= -TEST_LDFLAGS=-L. libz.a +TEST_LIBS=-L. libz.a LDSHARED=$(CC) CPP=$(CC) -E STATICLIB=libz.a SHAREDLIB=libz.so -SHAREDLIBV=libz.so.1.2.11.1 +SHAREDLIBV=libz.so.1.3.1.2 SHAREDLIBM=libz.so.1 LIBS=$(STATICLIB) $(SHAREDLIBV) @@ -87,7 +85,7 @@ test: all teststatic testshared teststatic: static @TMPST=tmpst_$$; \ - if echo hello world | ./minigzip | ./minigzip -d && ./example $$TMPST ; then \ + if echo hello world | ${QEMU_RUN} ./minigzip | ${QEMU_RUN} ./minigzip -d && ${QEMU_RUN} ./example $$TMPST ; then \ echo ' *** zlib test OK ***'; \ else \ echo ' *** zlib test FAILED ***'; false; \ @@ -100,7 +98,7 @@ testshared: shared DYLD_LIBRARY_PATH=`pwd`:$(DYLD_LIBRARY_PATH) ; export DYLD_LIBRARY_PATH; \ SHLIB_PATH=`pwd`:$(SHLIB_PATH) ; export SHLIB_PATH; \ TMPSH=tmpsh_$$; \ - if echo hello world | ./minigzipsh | ./minigzipsh -d && ./examplesh $$TMPSH; then \ + if echo hello world | ${QEMU_RUN} ./minigzipsh | ${QEMU_RUN} ./minigzipsh -d && ${QEMU_RUN} ./examplesh $$TMPSH; then \ echo ' *** zlib shared test OK ***'; \ else \ echo ' *** zlib shared test FAILED ***'; false; \ @@ -109,7 +107,7 @@ testshared: shared test64: all64 @TMP64=tmp64_$$; \ - if echo hello world | ./minigzip64 | ./minigzip64 -d && ./example64 $$TMP64; then \ + if echo hello world | ${QEMU_RUN} ./minigzip64 | ${QEMU_RUN} ./minigzip64 -d && ${QEMU_RUN} ./example64 $$TMP64; then \ echo ' *** zlib 64-bit test OK ***'; \ else \ echo ' *** zlib 64-bit test FAILED ***'; false; \ @@ -117,15 +115,19 @@ test64: all64 @rm -f tmp64_$$ infcover.o: $(SRCDIR)test/infcover.c $(SRCDIR)zlib.h zconf.h - $(CC) $(CFLAGS) $(ZINCOUT) -c -o $@ $(SRCDIR)test/infcover.c + $(CC) $(CFLAGS) $(ZINCOUT) -c -coverage -o $@ $(SRCDIR)test/infcover.c infcover: infcover.o libz.a - $(CC) $(CFLAGS) -o $@ infcover.o libz.a + $(CC) $(CFLAGS) -coverage -o $@ infcover.o libz.a cover: infcover +ifdef $(GCOV) rm -f *.gcda - ./infcover - gcov inf*.c + ${QEMU_RUN} ./infcover + ${GCOV} ${LLVM_GCOV_FLAG} inf*.c -o ./infcover.gcda +else + @echo 'cover disabled as no suitable gcov was found' +endif libz.a: $(OBJS) $(AR) $(ARFLAGS) $@ $(OBJS) @@ -180,7 +182,7 @@ inftrees.o: $(SRCDIR)inftrees.c trees.o: $(SRCDIR)trees.c $(CC) $(CFLAGS) $(ZINC) -c -o $@ $(SRCDIR)trees.c -zutil.o: $(SRCDIR)zutil.c +zutil.o: $(SRCDIR)zutil.c $(SRCDIR)gzguts.h $(CC) $(CFLAGS) $(ZINC) -c -o $@ $(SRCDIR)zutil.c compress.o: $(SRCDIR)compress.c @@ -242,7 +244,7 @@ trees.lo: $(SRCDIR)trees.c $(CC) $(SFLAGS) $(ZINC) -DPIC -c -o objs/trees.o $(SRCDIR)trees.c -@mv objs/trees.o $@ -zutil.lo: $(SRCDIR)zutil.c +zutil.lo: $(SRCDIR)zutil.c $(SRCDIR)gzguts.h -@mkdir objs 2>/dev/null || test -d objs $(CC) $(SFLAGS) $(ZINC) -DPIC -c -o objs/zutil.o $(SRCDIR)zutil.c -@mv objs/zutil.o $@ @@ -286,22 +288,22 @@ placebo $(SHAREDLIBV): $(PIC_OBJS) libz.a -@rmdir objs example$(EXE): example.o $(STATICLIB) - $(CC) $(CFLAGS) -o $@ example.o $(TEST_LDFLAGS) + $(CC) $(CFLAGS) $(LDFLAGS) -o $@ example.o $(TEST_LIBS) minigzip$(EXE): minigzip.o $(STATICLIB) - $(CC) $(CFLAGS) -o $@ minigzip.o $(TEST_LDFLAGS) + $(CC) $(CFLAGS) $(LDFLAGS) -o $@ minigzip.o $(TEST_LIBS) examplesh$(EXE): example.o $(SHAREDLIBV) - $(CC) $(CFLAGS) -o $@ example.o -L. $(SHAREDLIBV) + $(CC) $(CFLAGS) -o $@ example.o $(LDFLAGS) -L. $(SHAREDLIBV) minigzipsh$(EXE): minigzip.o $(SHAREDLIBV) - $(CC) $(CFLAGS) -o $@ minigzip.o -L. $(SHAREDLIBV) + $(CC) $(CFLAGS) -o $@ minigzip.o $(LDFLAGS) -L. $(SHAREDLIBV) example64$(EXE): example64.o $(STATICLIB) - $(CC) $(CFLAGS) -o $@ example64.o $(TEST_LDFLAGS) + $(CC) $(CFLAGS) $(LDFLAGS) -o $@ example64.o $(TEST_LIBS) minigzip64$(EXE): minigzip64.o $(STATICLIB) - $(CC) $(CFLAGS) -o $@ minigzip64.o $(TEST_LDFLAGS) + $(CC) $(CFLAGS) $(LDFLAGS) -o $@ minigzip64.o $(TEST_LIBS) install-libs: $(LIBS) -@if [ ! -d $(DESTDIR)$(exec_prefix) ]; then mkdir -p $(DESTDIR)$(exec_prefix); fi @@ -353,18 +355,25 @@ docs: zlib.3.pdf zlib.3.pdf: $(SRCDIR)zlib.3 groff -mandoc -f H -T ps $(SRCDIR)zlib.3 | ps2pdf - $@ -zconf.h.cmakein: $(SRCDIR)zconf.h.in - -@ TEMPFILE=zconfh_$$; \ - echo "/#define ZCONF_H/ a\\\\\n#cmakedefine Z_PREFIX\\\\\n#cmakedefine Z_HAVE_UNISTD_H\n" >> $$TEMPFILE &&\ - sed -f $$TEMPFILE $(SRCDIR)zconf.h.in > $@ &&\ - touch -r $(SRCDIR)zconf.h.in $@ &&\ - rm $$TEMPFILE +# zconf.h.cmakein: $(SRCDIR)zconf.h.in +# -@ TEMPFILE=zconfh_$$; \ +# echo "/#define ZCONF_H/ a\\\\\n#cmakedefine Z_PREFIX\\\\\n#cmakedefine Z_HAVE_UNISTD_H\n" >> $$TEMPFILE &&\ +# sed -f $$TEMPFILE $(SRCDIR)zconf.h.in > $@ &&\ +# touch -r $(SRCDIR)zconf.h.in $@ &&\ +# rm $$TEMPFILE +# zconf: $(SRCDIR)zconf.h.in cp -p $(SRCDIR)zconf.h.in zconf.h +minizip-test: static + cd contrib/minizip && { CC="$(CC)" CFLAGS="$(CFLAGS)" $(MAKE) test ; cd ../.. ; } + +minizip-clean: + cd contrib/minizip && { $(MAKE) clean ; cd ../.. ; } + mostlyclean: clean -clean: +clean: minizip-clean rm -f *.o *.lo *~ \ example$(EXE) minigzip$(EXE) examplesh$(EXE) minigzipsh$(EXE) \ example64$(EXE) minigzip64$(EXE) \ @@ -376,20 +385,19 @@ clean: rm -f contrib/infback9/*.gcda contrib/infback9/*.gcno contrib/infback9/*.gcov maintainer-clean: distclean -distclean: clean zconf zconf.h.cmakein docs +distclean: clean zconf # zconf.h.cmakein rm -f Makefile zlib.pc configure.log -@rm -f .DS_Store @if [ -f Makefile.in ]; then \ printf 'all:\n\t-@echo "Please use ./configure first. Thank you."\n' > Makefile ; \ printf '\ndistclean:\n\tmake -f Makefile.in distclean\n' >> Makefile ; \ touch -r $(SRCDIR)Makefile.in Makefile ; fi - @if [ ! -f zconf.h.in ]; then rm -f zconf.h zconf.h.cmakein ; fi - @if [ ! -f zlib.3 ]; then rm -f zlib.3.pdf ; fi tags: etags $(SRCDIR)*.[ch] -adler32.o zutil.o: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h +adler32.o: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h +zutil.o: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)gzguts.h gzclose.o gzlib.o gzread.o gzwrite.o: $(SRCDIR)zlib.h zconf.h $(SRCDIR)gzguts.h compress.o example.o minigzip.o uncompr.o: $(SRCDIR)zlib.h zconf.h crc32.o: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)crc32.h @@ -399,7 +407,8 @@ inffast.o: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)inftrees.h $(SRCDIR inftrees.o: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)inftrees.h trees.o: $(SRCDIR)deflate.h $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)trees.h -adler32.lo zutil.lo: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h +adler32.lo: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h +zutil.lo: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)gzguts.h gzclose.lo gzlib.lo gzread.lo gzwrite.lo: $(SRCDIR)zlib.h zconf.h $(SRCDIR)gzguts.h compress.lo example.lo minigzip.lo uncompr.lo: $(SRCDIR)zlib.h zconf.h crc32.lo: $(SRCDIR)zutil.h $(SRCDIR)zlib.h zconf.h $(SRCDIR)crc32.h diff --git a/README b/README index 5b74a3cdf..beba22ea6 100644 --- a/README +++ b/README @@ -1,10 +1,10 @@ ZLIB DATA COMPRESSION LIBRARY -zlib 1.2.11.1 is a general purpose data compression library. All the code is -thread safe. The data format used by the zlib library is described by RFCs -(Request for Comments) 1950 to 1952 in the files -http://tools.ietf.org/html/rfc1950 (zlib format), rfc1951 (deflate format) and -rfc1952 (gzip format). +zlib 1.3.1.2 is a general purpose data compression library. All the code is +thread safe (though see the FAQ for caveats). The data format used by the zlib +library is described by RFCs (Request for Comments) 1950 to 1952 at +https://datatracker.ietf.org/doc/html/rfc1950 (zlib format), rfc1951 (deflate +format) and rfc1952 (gzip format). All functions of the compression library are documented in the file zlib.h (volunteer to write man pages welcome, contact zlib@gzip.org). A usage example @@ -29,18 +29,17 @@ PLEASE read the zlib FAQ http://zlib.net/zlib_faq.html before asking for help. Mark Nelson wrote an article about zlib for the Jan. 1997 issue of Dr. Dobb's Journal; a copy of the article is available at -http://marknelson.us/1997/01/01/zlib-engine/ . +https://zlib.net/nelson/ . -The changes made in version 1.2.11.1 are documented in the file ChangeLog. +The changes made in version 1.3.1.2 are documented in the file ChangeLog. Unsupported third party contributions are provided in directory contrib/ . -zlib is available in Java using the java.util.zip package, documented at -http://java.sun.com/developer/technicalArticles/Programming/compression/ . +zlib is available in Java using the java.util.zip package. Follow the API +Documentation link at: https://docs.oracle.com/search/?q=java.util.zip . -A Perl interface to zlib written by Paul Marquess is available -at CPAN (Comprehensive Perl Archive Network) sites, including -http://search.cpan.org/~pmqs/IO-Compress-Zlib/ . +A Perl interface to zlib and bzip2 written by Paul Marquess +can be found at https://github.com/pmqs/IO-Compress . A Python interface to zlib written by A.M. Kuchling is available in Python 1.5 and later versions, see @@ -64,14 +63,12 @@ Notes for some targets: - zlib doesn't work with gcc 2.6.3 on a DEC 3000/300LX under OSF/1 2.1 it works when compiled with cc. -- On Digital Unix 4.0D (formely OSF/1) on AlphaServer, the cc option -std1 is +- On Digital Unix 4.0D (formerly OSF/1) on AlphaServer, the cc option -std1 is necessary to get gzprintf working correctly. This is done by configure. - zlib doesn't work on HP-UX 9.05 with some versions of /bin/cc. It works with other compilers. Use "make test" to check your compiler. -- gzdopen is not supported on RISCOS or BEOS. - - For PalmOs, see http://palmzlib.sourceforge.net/ @@ -84,7 +81,7 @@ Acknowledgments: Copyright notice: - (C) 1995-2017 Jean-loup Gailly and Mark Adler + (C) 1995-2025 Jean-loup Gailly and Mark Adler This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages diff --git a/README-cmake.md b/README-cmake.md new file mode 100644 index 000000000..7258f9cad --- /dev/null +++ b/README-cmake.md @@ -0,0 +1,83 @@ +# For building with cmake at least version 3.12 (minizip 3.12) is needed + +In most cases the usual + + cmake -S . -B build -D CMAKE_BUILD_TYPE=Release + +will create everything you need, however if you want something off default you can adjust several options fit your needs. +Every option is list below (excluding the cmake-standard options), they can be set via cmake-gui or on cmdline with + + -D