This is an old email, I exchanged with Linus some time ago.
attached mail follows:
On Wed, 4 Mar 1998, Paolo Zeppegno wrote:
>
> Why not add a syscall? The way glibc does it now, seem a real hack to
> me. (Yes, we have this syscall, but it's not really a syscall... well..)
Agreed. I'll add it, as it should be fairly simple.
> The old user land implementation had also the side effect that if a
> directory
> was not readable meant that getcwd would not give a pathname back. Now
> I think the syscall will never fail. Is this kosher for posix?
We can make it fail if we want to. I don't think we want to, and I don't
think POSIX says anything about it, but let's just do it and see what
people think...
Linus
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