This library allows to get a human-readable string describing X11
requests, events, and errors. We now use this library to pretty-print
X11 errors if we get any.
To test this code, I added the following two lines to AwesomeWM so that
X11 errors are generated:
xcb_set_input_focus(globalconf.connection, 42, 42, 42);
xcb_randr_set_output_primary(globalconf.connection,
globalconf.screen->root, 42);
Output without xcb-errors:
X error: request=SetInputFocus (major 42, minor 0), error=BadValue (2)
X error: request=(null) (major 140, minor 30), error=(null) (147)
Output with xcb-errors:
X error: request=SetInputFocus (major 42, minor 0), error=Value (2)
X error: request=RandR-SetOutputPrimary (major 140, minor 30), error=RandR-BadOutput (147)
Signed-off-by: Uli Schlachter <psychon@znc.in>
a57c79687a