🚀 go-pugleaf

andrew@lsa.ncl.omron.co.jp (Andrew Walduck) writes:
>What exactly is an overlapping object in ANSI??

The Standard does not appear to have an explicit definition, so one has
to rely on common sense.  Two objects overlap if they share any storage
at all.

>char buffer[5];
>memcpy(buffer, buffer, 5);
>Is this a call to memcpy with overlapping objects?? 

Yes.

>And so...its perfectly alright for memcpy to dump core?? 

"The behavior is undefined."  It may dump core, it may work, it may set fire
to your collection of rare Beatles LPs.