Excerpts from netbsd: 19-Dec-96 Re: Empty bootargs .... ws@kurt.tools.de (858*)

> > 	  for (cp = bootpath + strlen(bootpath) + 1; --cp >= bootpath;) {

> Hmm, arguably this isn't unsafe, as the boot code guarrantees that the
> arguments are not empty.

Worse than that, the change above doesn't fix the problem any way :-(

> > o	The size argument (r7?) should probably be passed into
> > 	the function machdep.c:initppc().  That function in turn
> > 	doing some sort of sanity check.

> Again, the boot code guarrantees that the argument string is indeed one string,
> so this isn't necessary either.

I prefer a more conservative aproach.  Don't trust and hence check every
thing at every stage.

		enjoy,
			Andrew