Kohei KaiGai <kaigai@kaigai.gr.jp> writes:
> I'm under implementation of this code according to the suggestion.
> However, I'm not sure whether it is really portable way (at least, GCC accepts),
> and whether the interface is simpler than as Robert suggested at first.
> #define get_object_property_attnum_name(objtype) \
> ({ AttrNumber ____temp; \
> get_object_property((objtype), NULL, NULL, NULL, NULL, \
> &____temp, NULL, NULL); \
> ____temp; })
Blocks within expressions are a gcc-ism and will fail on any other
compiler, so you can't do it that way.
regards, tom lane