light/ChangeLog.md

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