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Change Log

0.3.0 (2020-01-17)

This release changes the resource management strategy. Tracking lifetimes of dependent resources makes for a less-ergonomic API. That has been replaced with reference-counting. There are no known backwards-compatibility issues with this change, so existing code should not have to be updated for compatibility with reference-counting.

There are, however, some breaking changes to the API that are unrelated to the changes in resource management:

  1. Context::device_from_syspath() has been moved to Device::from_syspath(). Upgrading involves a search-and-replace. Anywhere you have the following code:

    context.device_from_syspath(path);

    should be replaced with:

    Device::from_syspath(&context, path);

  2. Several methods on Device changed their return type to account for the possibility of the C library returning NULL pointers:

    • Device::syspath() returns Option<&Path> instead of &Path.
    • Device::devpath() returns Option<&OsStr> instead of &OsStr.
    • Device::subsystem() returns Option<&OsStr> instead of &OsStr.
    • Device::sysname() returns Option<&OsStr> instead of &OsStr.

    Client code will have to decide how to handle a None return value.

Added

  • Implemented Clone for Context.

Fixed

  • Fixed several issues related to lifetimes.
  • Handled possible NULL return from udev_device_get_syspath(), udev_device_get_devpath(), udev_device_get_subsystem(), and udev_device_get_sysname().
  • Reduced memory footprint of several types to a single pointer.
  • Reduced unnecessary memory allocations when iterating devices and setting up a monitor.

Changed

  • Replaced explicit lifetimes with reference counting.
  • Moved Context::device_from_syspath() to Device::from_syspath().
  • Changed return type of Device::syspath(), Device::devpath(), Device::subsystem(), and Device::sysname() to Option<...>.

0.2.0 (2016-04-16)

Added

  • Added Device::parent().

Changed

  • Replaced c_int error code with std::io::ErrorKind.
  • Minimum supported version of Rust is now 1.4.0.

0.1.2 (2015-11-04)

Changed

  • Upgraded libc dependency to v0.2.

0.1.1 (2015-10-02)

Added

  • Added Monitor.
  • Wrote documentation.

0.1.0 (2015-05-07)

Changed

  • Bumped libudev-sys dependency to v0.1.1, which allows libudev to compile on 1.0.0-beta and presumably the imminent 1.0.0 release.

0.0.2 (2015-04-14)

Changed

  • Removed dependencies on unstable features:
    • #![feature(libc)]: replaced with libc crate
    • #1[feature(std_misc)]: replaced AsOsStr with AsRef<OsStr>
    • #![feature(unsafe_destructor)]: stabilized

0.0.1 (2015-04-04)

Initial release