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2018-05-27Revert "Add basic backlight percentage support"Aaron Marcher
On OpenBSD the backlight percentage cannot be retrieved in a simple way. The only two solutions we are aware of for now are: - reading from /dev/ttyC0: which isn't possible without changing permissions or running slstatus as root - linking against xcb-xrandr: which is bloat and does not work in every case appearently This reverts commit 37724ac2c3f496f4736223d0d8e5d8fecb933590 for now.
2018-05-22Add basic backlight percentage supportDavid Demelier
At the moment linux only, but will add support for OpenBSD as well.
2018-05-21Refactor fmt_human() and fix a bugLaslo Hunhold
It is not necessary to copy memory or anything. Just keep a pointer to the active prefix-array and assign the length of the arrays to a variable. Make the code more readable by using a switch, be more strict when an invalid base is passed to it and fix a small oversight in the bottom of the code where the base 1024 was forgotten to generalized.
2018-05-21Merge fmt_human_2 and fmt_human_10 to one functionAaron Marcher
Now only one function, fmt_human, takes an additional argument "base".
2018-05-21Remove units from numbersAaron Marcher
This is a first step to decouple formatting from information because of two reasons: 1. The components should only gather and return the values by design 2. Fine grained user control should be a focus Scaling will be implemented in a different way in a later commit.
2018-05-19Implement fmt_human_2() and fmt_human_10()Laslo Hunhold
These functions take the raw number and a unit and automatically print it out "scaled down" to a proper SI-prefix, for powers of 2 and 10 respectively. Apply them to the 2-power cases and keep the 10-power for a later commit.
2018-05-19Implement esnprintf() and make formatted calls more efficientLaslo Hunhold
Within the components, snprintf() was unchecked and had inefficient calls in some places. We implement esnprintf() that does all the dirty laundry for us and use it exclusively now.
2018-05-18Add fmt_scaled util functionAaron Marcher
2018-05-18Add warn() and die()Laslo Hunhold
Given slstatus is a tool that runs in the background, most likely run from .xinitrc, it's important to prepend the name of the tool to error messages so it becomes clear where the error is coming from. To make this much more consistent, this commit adds warn() and die() utility functions consistent with other suckless projects and adapts all calls to fprintf(stderr, *) to the warn() and die() functions, greatly increasing the readability of the code.
2018-05-17Remove UNUSED macroAaron Marcher
Use variables named unused instead which is simpler
2018-05-17Mark unused parameters, fix compiler warningsAaron Marcher
2017-09-17Added LICENSE statements to all source filesAaron Marcher
2017-09-17Properly declare buf as extern and fix all unused-warningsLaslo Hunhold
2017-09-17Split into multiple filesAaron Marcher
For multiple reasons the program is now split: - Make future porting to OpenBSD easier - Assign header includes to individiual functions - Make future program extensions easier - Recompile only changed parts