265 #define array_alloc(array)						\  argument
267 	typeof((array)->freelist) _ret = (array)->freelist;		\
270 		(array)->freelist = *((typeof((array)->freelist) *) _ret);\
275 #define array_free(array, ptr)						\  argument
277 	typeof((array)->freelist) _ptr = ptr;				\
279 	*((typeof((array)->freelist) *) _ptr) = (array)->freelist;	\
280 	(array)->freelist = _ptr;					\
283 #define array_allocator_init(array)					\  argument
285 	typeof((array)->freelist) _i;					\
287 	BUILD_BUG_ON(sizeof((array)->data[0]) < sizeof(void *));	\
288 	(array)->freelist = NULL;					\
290 	for (_i = (array)->data;					\
291 	     _i < (array)->data + ARRAY_SIZE((array)->data);		\
293 		array_free(array, _i);					\
296 #define array_freelist_empty(array)	((array)->freelist == NULL)  argument