On Tue, May 23, 2017 at 11:32:02AM +0100, Ian Abbott wrote: > > #define container_of(ptr, type, member) ( \ > > _Static_assert(__builtin_types_compatible_p( \ > > typeof(*ptr), typeof( ((type *)0)->member )), "WUT"), \ > > ((type *)((char *)(ptr) - offsetof(type, member))); \ > > ) > > It's a fine suggestion (if more parentheses are added), but _Static_assert > is a C11 feature, and I thought the kernel was using gnu89 (unless it's been > updated since).
We have BUILD_BUG_ON() that should be similar in functionality.
