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CHANGELOG.md

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8 January 2023 - 0.2.3

Changes:

  • Fixed initialization and sizeof for flexible structs
  • Fixed handling of pointer arithmetic with reference types
  • Fixed handling of references in cffi.copy and other places
  • Reworked module memory management to respect type alignment
  • Added a Clang build with sanitizers (UBSan, ASan, CFI) in CI
    • Fixed issues found by sanitized build
  • Updated CI to Ubuntu 22.04

1 November 2022 - 0.2.2

Changes:

  • Passing unions by value is now permitted on specific platforms:
    • Windows (x86 and x86_64), MIPS32/64, all 32-bit ARM, PowerPC
  • Initializer fixes in ffi.new
  • Fixed unary metamethods on newer versions of Lua
  • Expanded architecture identifier coverage
  • CI updates
  • Various fixes and cleanups

31 January 2021 - 0.2.1

Changes:

  • Fixed multidimensional arrays in structs
  • Fixed release builds with NDEBUG
  • CI updates

29 November 2020 - 0.2.0

Changes:

  • No longer using the C++ standard library, exceptions, RTTI and TLS
  • Lower resource utilization, simpler memory management
  • Constant expressions now properly handle errors
  • A large amount of fixes (unhandled cases, LuaJIT FFI compatibility, etc.)
  • Greatly expanded test suite
  • Removed custom test runner (using just Lua)

Requirements:

  • No changes

01 August 2020 - 0.1.1

Changes:

  • Build system enhancements
  • CI enhancements
  • We no longer ship a library/API (except a static library for embedded uses)
  • Initial LuaRocks support (Windows support pending)
  • Added option to disable tests

Requirements:

  • No changes

Library clarification:

By default, you will only get a Lua module now. You can pass -Dstatic=true to meson to switch the build to a static library; you will then get that instead of a module. This is intended for systems that don't have Lua module support - there you will want to link the FFI into the application instead.

It is not possible to build the static library and the module at the same time, and usually the recommended thing is to build the module.

26 July 2020 - 0.1.0 - Initial release

This is the initial release of the cffi module. It is of beta quality. See STATUS.md for status and README.md for building and usage.

Production usage is currently not recommended, since the module is not battle tested. Testing is highly encouraged.

Requirements:

  • Lua 5.1 - 5.4
  • libffi
  • meson 0.50+, optional pkg-config
  • GCC 7+, Clang 8+ or Visual Studio 2017+ with updates recommended
    • Theoretical minimum is GCC 4.8, Clang 3.4 or any compiler with enough C++14