[Bug 277114] x11/lightdm: fix tty counting in patch-src_x-server.c

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=277114

Gleb Popov <arrowd@FreeBSD.org> changed:

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                 CC|                            |arrowd@FreeBSD.org

--- Comment #3 from Gleb Popov <arrowd@FreeBSD.org> ---
(In reply to Guido Falsi from comment #2)

> I could not identify the kernel code actually doing the naming of these devices.

If I'm not mistaken, here it is:
https://github.com/freebsd/freebsd-src/blob/d0bf8b5aaccbe082d3728279620b8f8474d9ca8a/sys/dev/vt/vt_core.c#L1854

The %r modifier uses "current" radix, which is obviously 16 in our case.

> Base32 is a completely different thing.

Not completely. Base32 is the same encoding as base16 with only difference that
we're using a radix of 32. Which would mean that after ttyvf it would be ttyvg
and then up to some 32-th character (probably a capital one).

> I'm not sure I understand what should be changed in the consolekit patch.

I was hacking ConsoleKit a lot during last autumn and this patch doesn't seem
to be really needed from my POV. The code it changes already follow the same
path, IIRC.

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