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Changelog

All notable changes to the Sigmyne/xchange library will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased]

Upcoming feature release, possibly around 1 August 2026.

Added

  • Now installing xmutex.h containing portable mutex macros.

Changed

  • CMake install to skip .gitignore in examples/.

  • Makefile doc install to match CMake.

  • CMake export targets from build-directory (for dependent builds)

  • examples/Makefile to work standalone, without config.mk.

[1.1.2] - 2026-04-27

Maintenance release with improved portability (esp. Windows, MacOS, and BSD). It also enables ports to vcpkg and Homebrew (coming very soon...).

Fixed

  • #23: Removed unneeded includes of UNIX-specific unistd.h (blocking portability).

Added

  • #23: Portability to Windows, MacOS, and BSD.

  • #23: CMake build configuration, alongside the GNU make config.

  • #23: New GitHub Actions workflows for multi-platform checks.

Changed

  • #23: Use portable mutexes in xlookup.c.

  • #23: xjson error/warning reporting via static functions instead of niche macros that Windows does not support.

  • #23: xGetAsLongAtIndex() and xGetAsDoubleAtIndex() switch to setting errno to EINVAL instead of ENOSR, as the latter is not defined on BSD.

[1.1.1] - 2026-02-16

Maintenance release with minor code style improvements.

Changed

  • #18: A few code style improvements, spotted by cppcheck.

[1.1.0] - 2025-11-10

Minor feature release with bug fixes.

Fixed

  • #15: xPrintFloat() printed an extra digit, which would appear as a 'rounding error' in decimal representations.

  • #16: Width detection of platform-specific built-in integer types (i.e., short, int, long, and long long). The previous implementation included stdint.h with __STDC_LIMIT_MACROS defined. However, if the application source, then included stdint.h before xchange.h, then the fixed-width integer limits were left undefined. As a result, we no longer rely on stdint.h providing these limits.

Added

  • xParseFloat() to parse floats without rounding errors that might result if parsing as double and then casting as float.

[1.0.1] - 2025-07-01

Bug fix release.

Fixed

  • Handling of serialized strings in xClearField() and xCopyOfField().

  • Handling of heterogeneous arrays (type X_FIELD) in xCopyOfField().

Added

  • xDestroyLookupAndData() to destroy a lookup table including all the data that was referenced inside it.

Changed

  • xCreateField() to treat X_RAW types always as scalars, ignoring the dimensions provided.

[1.0.0] - 2025-03-31

Initial public release.