wrong strlcat limit value in realpath.c

[Damien Miller]

On Tue, 13 Oct 2015, Todd C. Miller wrote:

> On Tue, 13 Oct 2015 12:36:45 -0700, William Ahern wrote:
> 
> > In realpath.c at line 182
> > 
> > 	left_len = strlcat(symlink, left, sizeof(left));
> > 
> > should be
> > 
> > 	left_len = strlcat(symlink, left, sizeof(symlink));
> > 
> > It's a benign issue because both arrays are the same size. And I can't
> > imagine that ever changing. But it's inconsistent, not to mention throwing
> > compiler warnings on OS X.
> 
> Correct.  This was fixed some time ago i version shipped with OpenSSH
> was not updated.  The truncation check immediately following the
> strlcat also should use sizeof(symlink) rather than sizeof(left).

Thanks, I've just synced the OpenSSH openbsd-compat/realpath.c to
-current.

-d