On 03/21/2012 12:45 AM, oliver wrote:
> Are there so many bugs in glibc that fixing this one means waiting
> in a long, long queue... and bugfixes will need months or years?
>
> Are there any reasons this bug is not already fixed?
> And since when is it known?
Using stdin might be on purpose, this is what a glibc comment says:
/* Get name of tty connected to fd 0. Return NULL if not a tty or
if fd 0 isn't open. Note that a lot of documentation says that
getlogin() is based on the controlling terminal---what they
really mean is "the terminal connected to standard input". The
getlogin() implementation of DEC Unix, SunOS, Solaris, HP-UX all
return NULL if fd 0 has been closed, so this is the compatible
thing to do. Note that ttyname(open("/dev/tty")) on those
systems returns /dev/tty, so that is not a possible solution for
getlogin(). */
--Edwin
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