> >> (Specifically, it's bad that we open /dev/tty for writing 
> even if we 
> >> failed it for reading (that will create a new file), and that we 
> >> don't check if it's a tty at all).
> > Maybe we should stat the file and check that it's actually 
> a character 
> > special device.
> On any sane Unix installation, /dev is not user-writable ... 
> and I've never heard of one without /dev/tty, either.  So the 
> above risk seems illusory, except on Windows.

That was kind of my main guess, but I don't know enough different Unix
flavours to state it. I'm sure you do :-)

Given that, please just go with the win32-only solution.


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