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