Stephan Szabo wrote:
>On Mon, 2 Feb 2004, Tom Lane wrote:
>
>
>
>>Neil Conway <neilc@samurai.com> writes:
>>
>>
>>>I don't know of a memcpy() implementation that would actually bail out
>>>if called with two equal pointers, but perhaps there is one in
>>>existence somewhere.
>>>
>>>
>>This isn't a bug, and I see no reason to clutter the code just to shut
>>up valgrind.
>>
>>
>
>Isn't memcpy on overlapping (even entirely overlapping) buffers undefined
>behavior unless the count is 0?
>
>
>
On my Linux box the man page says:
DESCRIPTION
The memcpy() function copies n bytes from memory area src to
memory
area dest. The memory areas may not overlap. Use memmove(3)
if the
memory areas do overlap.
cheers
andrew
