[PATCH] Improve strncpy performance further

[Wilco Dijkstra]

ping

> Wilco Dijkstra wrote:
> > > Roland McGrath:
> > > Has to be __strnlen.
> >
> > Good point, so it becomes:
> >
> > -  return s;
> > +  size_t size = __strnlen (s2, n);
> > +  if (size != n)
> > +    memset (s1 + size, '\0', n - size);
> > +  return memcpy (s1, s2, size);
> 
> OK for trunk with __strnlen?
> 
> Wilco