Re: Introducing "toggle references"

[Tim Janik <timj gtk org>]

On Thu, 5 May 2005, Owen Taylor wrote:

> On Thu, 2005-05-05 at 10:15 +0200, Tim Janik wrote:

> > why is this not simply (GData*) (~flags & (gsize) *(datalist)) ?
>
> OK, yes, these just got crudded up, the above should work. Well, except
> that going back to our earlier discussion
>
> ~flags & (gsize) *(datalist)
>
> *doesn't* work, because gsize might be wider than an int. It needs to be
>
> ~(gsize)(flags) & (gsize) *(datalist)
>
> Right? Those unnecessary casts aren't *always* unnecessary :-)

right, you need to negate a type of at least size of gsize, so this is not an
unnecessary cast. but you had that right in your earlier patches and i
didn't say the cast for bit inversion should be omitted. (you caught me sloppy
on the above question though ;)

> Regards,
> 						Owen

---
ciaoTJ