[PATCH] os: restrict display names to digits

[Keith Packard]

Peter Hutterer <peter.hutterer at who-t.net> writes:

> We call atoi() on the server's display to get the socket but otherwise use the
> unmodified display for log file name, xkb paths, etc. This results in
> Xorg :banana being the equivalent of Xorg :0, except for the log files being
> in /var/log/Xorg.banana.log. I'm not sure there's a good use-case for this
> behaviour.
>
> Check the display for something that looks reasonable, i.e. digits only, but
> do allow for :0.0 (i.e. digits, followed by a period, followed by one or two
> digits).

Reviewed-by: Keith Packard <keithp at keithp.com>

-- 
keith.packard at intel.com
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