# Changelog
## Develop
- Add user argument option
## v3.1.0
- Preparation for `v3.1`
- Replace `size_t` with custom defined type `lwrb_sz_t` which matches atomicity requirements
- `lwrb_sz_t` is by default typedef-ed as `unsigned long`
- Prepare `lwrb_write_ex` and `lwrb_read_ex` functions
- Implement `lwrb_write_ex` and `lwrb_read_ex` functions
- Fix `_ex` module throwing an error for Platform.IO
## v3.0.0
- Added macros for optional STDATOMIC. Global `-DLWRB_DISABLE_ATOMIC` macro will disable C11 `<stdatomic.h>` functionality.
- Add `lwrb_move` and `lwrb_overwrite`
- Fix `lwrb_find` which failed to properly search for tokens at corner cases
## v3.1.0-RC1
- Split CMakeLists.txt files between library and executable
- Change license year to 2022
- Update code style with astyle
- Minimum required version is C11, with requirement of `stdatomic.h` library
- Add `.clang-format` draft
## v2.0.3
- Add `library.json` for Platform.IO
## v2.0.2
- Add `volatile` keyword to all local variables to ensure thread safety in highest optimization
- Add local variables for all read and write pointer accesses
- Remove generic `volatile` keyword from func parameter and replace to struct member
## v2.0.1
- Fix wrong check for valid RB instance
- Apply code style settings with Artistic style options
- Add thread safety docs
## v2.0.0
- Break compatibility with previous versions
- Rename function prefixes to `lwrb` instead of `ringbuff`
- Add astyle code syntax correction
## v1.3.1
- Fixed missing `RINGBUFF_VOLATILE` for event callback causes compiler warnings or errors
## v1.3.0
- Added support for events on read/write or reset operation
- Added optional volatile parameter for buffer structure
- Fix bug in skip and advance operation to return actual amount of bytes processed
- Remove `BUF_PREF` parameter and rename with fixed `ringbuff_` prefix for all functions
## v1.2.0
- Added first sphinx documentation
## v1.1.0
- Code optimizations, use pre-increment instead of post
- Another code-style fixes
## v1.0.0
- First stable release