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* Remove fmt from load_avgs for consistencyAaron Marcher2018-05-211-2/+2
| | | | | In a later commit something like that will be enabled for every component
* Add warn() and die()Laslo Hunhold2018-05-181-1/+1
| | | | | | | | | | | 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.
* Format error messages properlyAaron Marcher2018-03-281-1/+1
| | | | | Make use of strerror(errno) and format all errors equally: function ['parameters']: error message
* Get rid of err.h as it is not portableAaron Marcher2018-03-281-2/+2
| | | | | Replace warn() and warnx() with fprintf() and add <stdio.h> where necessary.
* Move components into dedicated subdirectoryLaslo Hunhold2017-09-241-0/+18
This brings us a lot more tidiness.