Re: [Valgrind-users] New skin available: Annelid, a pointer-misuse checker

[Jeremy F. <je...@go...>]

On Mon, 2003-09-29 at 17:27, Nicholas Nethercote wrote:
> Interesting... were they allowing for the possibility of a non-flat
> address space, or something like that?  If you cast the pointers to
> integers, did the subtraction, then used the result as the offset, would
> that be legal C?

Not really.  There are some (very strange) machines which do
annelid-like things internally, so the C standard allows for them. 

But it doesn't matter what C does or doesn't allow, since Valgrind works
on machine-code from any language.

> Either way, in practice we have to deal with it, especially since glibc
> does it in strcpy() (see below), and it pops up in lots of other places.

Yep.

	J