ttyname() and linux+devfs

[Clifford Wolf <clifford@clifford.at>]

Hi,

the ttyname() function looks in /dev/ and /dev/pts/ for the tty devices. I
use linux 2.1.126 with devfs - this means that my virtual consoles are
/dev/vc/*, my cua devices are /dev/cua/* and so on. It would be great if
the ttyname function could make a recursive scan thru the compleate /dev
directory structure instead of lokking only in /dev/ and /dev/pts/.

I would write a patch to do this - but I'm not sure about a few things
about the ttyname implementation - and I'm affraid to tuch the function
as long as I don't understand them compleatly. My 

 *) is the only diffrence between ttyname() and ttyname_r() the way how
    the name of the device is passed to the calling function?

 *) if so - why is the implementation so diffrent (i.e. why does not one
    function call the other one - I don't think the performance is
    the reason since this functions call a lot of system calls ...)?

greetings,

  -- clifford

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Clifford Wolf (CEO and CTO)
The ROCK Projects Workgoup                          IRC: IRCnet / clifford
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