[Gllug] C function strcasecmp

[Mark Hemment]

On Sun, 29 Jul 2001 home at alexhudson.com wrote:

> On Sun, Jul 29, 2001 at 08:48:30PM +0100, Mark Hemment wrote:
> >   There is a difference between illegal constructs and undefined behaviour
> > within the C language.  With undefined behaviour the compiler still has
> > rules to follow.  But under some conditions, one/some of those rules are
> > "open", and can change from compiler-to-compiler (and even from
> > optimization level to optimization level).
>
> .. which was exactly what I was saying.

No it isn't.

> The point is, in this case, although there is still ambiguity, it makes
> no difference how the compiler interprets it - it will always get it
> right.

It cannot always get it right - as there is no right way (it is
undefined).

Mark


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