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Change Log

All relevant changes to the project are documented in this file.

v1.2 - 2018-09-23

Changes

  • Converted to GNU configure & build system
  • Major rewrite to add a device system, folds in all kinds of display/keyboard/LED controllers under one roof. Note, this change break command line options from previous releases
  • Support for installing as non-SUID root using an udev rule enabled --with-udev to the new configure script
  • Migrated to use ~/.cache/light instead of /etc/light for unpriviliged operation. Respects XDG_CACHE_HOME if set
  • Added proper light.1 man page, remvoes help2man dependency
  • Update presentation of commands and options in built-in help text, as well as in the README and man page
  • Overhaul of coding style, see DOCUMENTATION.md for details
  • Add Fedora installation instructions

v1.1.2 - 2018-06-20

Panic release to fix save/restore.

Changes

  • Add help2man dependency in README
  • Better Support for Overriding Install Prefix
  • Restore DESTDIR support

Fixes

  • Issue #29: Fix save and restore arguments
  • Issue #27: Use the install command instead of raw cp/mv/chmod.

v1.1 - 2017-11-23

Various fixes and improvements. Credits to Abdullah ibn Nadjo

Changes

  • Add -k flag for keyboard backlight support
  • Cache max brightness data from automatic controller detection
  • Improve overall logging
  • Logging of clamps, saves and restores
  • Support for save, restore, get [max] brightness etc. for both screen and keyboard controllers

Fixes

  • Avoid checking for write permission if just getting value
  • Check if controller is accessible before getting value
  • Avoid redondant checking
  • Don't truncate file contents when checking if file is writable
  • Fix light_controllerAccessible() and light_getBrightness() this functions were:
    • Reading values from the controller
    • Checking write permission even when we just want reading values
    • Checking the mincap file instead of the actual controller
  • Don't try to read brightness values when only targetting max bright
  • Fix issues with string buffers and pointers
    • Use NAME_MAX and PATH_MAX instead of hardcoded values
    • Allow paths to be longer than 256 chars
    • Check pointers everywhere
    • Use strncpy()/snprintf() instead of strcpy()/sprintf()
    • Validate controllers' name (-s flag + a very long name = bad things happening)
    • Get rid of globals for dir iteration

v1.0 - 2016-05-10

First major release. Light has been around for a while now and seems to make some people happy. Also someone wanted a new release, so here you go!

Changes

  • Added save/restore functionality
  • Generate man page on make install

Fixes

  • Issue #5: Can't increase brightness on ATI propietary driver
  • Issue #10: Honor $DESTDIR on man page installation

v0.9 - 2014-06-08

Changes

  • Complete rewrite of program (Every single byte)
  • Cleaner, safer code
  • Completely new intuitive usage (Sorry, it was needed)
  • Added functionality:
    • Ability to set/get minimum brightness directly from commandline
    • Ability to specify the backlight controller to use directly from commandline
    • Better verbosity
  • Probably missed some stuff

v0.7 - 2012-11-18

Changes

  • Ported bash script to C