On Mon, Feb 02, 2004 at 01:23:15PM -0800, Stephan Szabo wrote:
>
> Isn't memcpy on overlapping (even entirely overlapping) buffers undefined
> behavior unless the count is 0?
The C standard says: "If copying takes place between objects that overlap,
the behaviour is undefined". SUSv3 says the same.
To my understanding this also includes copying something onto itself.
--
Michael van Elst
Internet: [EMAIL PROTECTED]
"A potential Snark may lurk in every tree."
---------------------------(end of broadcast)---------------------------
TIP 5: Have you checked our extensive FAQ?
http://www.postgresql.org/docs/faqs/FAQ.html
