Re: CVS commit: xsrc/external/mit/xauth/dist

[Martin Husemann <martin%duskware.de@localhost>]

On Mon, Jun 03, 2013 at 08:00:58PM +0000, David Holland wrote:
>  > #define    __DECONST(t, a) const_cast<t>(a)
> 
> and I suppose one could also do something like this:
> 
> #define __DECONST(t, v) \
>    (sizeof((v) - (const t)0) ? (t)(unsigned long)(v) : 0)

Sounds good to me.

I seriously wonder why an intern __-namespaced macro needs to be portable
beyound all currently supported architextures. Maybe we could add another
clause to the ? selector and check for sizeof(unsigned long) >=
sizeof(const t) to make possible future failures very explicit - but that
should IMO be enough.

On the other hand, the idea of making this *evil* macro usable by C++
code makes me shiver. Plaese don't tell me bind11 or newer gcc will
need this!

Martin