Re: [Qemu-devel] [PATCH 2/7] add strify() macros.

[Gerd Hoffmann]

On 07/13/09 15:54, Anthony Liguori wrote:
> Gerd Hoffmann wrote:
> Could get even fancier with something like:
>
> #define strify_i(a) # a
> #define strify(a) strify_i(a)
>
> #define to_prop(a) __builtin_choose_expr( \
> __builtin_types_compatible_p(typeof(a), const char []), \
> (a), \
> __builtin_choose_expr( \
> __builtin_types_compatible_p(typeof(a), int) || \
> __builtin_types_compatible_p(typeof(a), double), \
> strify(a), \
> (int *)0))
>
> It should be possible to use to_prop() for any property initializer.

Hmm?  This is how related to properties?  To me it looks just like a 
stringify version which accepts strings too and does nothing for them. 
Not sure why this would be useful ...

cheers,
  Gerd