ObjFW  Diff

	 */
	return class_replaceMethod(((OFObject*)self)->isa, selector, newimp,
	    method_getTypeEncoding(method));
#endif
}

+ (IMP)replaceClassMethod: (SEL)selector
      withMethodFromClass: (Class)class;
      withMethodFromClass: (Class)class
{
	IMP newimp;

	if (![class isSubclassOfClass: self])
		@throw [OFInvalidArgumentException newWithClass: self
						       selector: _cmd];

	return class_replaceMethod(self, selector, newimp,
	    method_getTypeEncoding(method));
#endif
}

+ (IMP)replaceInstanceMethod: (SEL)selector
	 withMethodFromClass: (Class)class;
	 withMethodFromClass: (Class)class
{
	IMP newimp;

	if (![class isSubclassOfClass: self])
		@throw [OFInvalidArgumentException newWithClass: self
						       selector: _cmd];

	if (nitems > SIZE_MAX / size)
		@throw [OFOutOfRangeException newWithClass: isa];

	return [self resizeMemory: ptr
			   toSize: nitems * size];
}

- (void)freeMemory: (void*)ptr;
- (void)freeMemory: (void*)ptr
{
	void **iter, *last, **memchunks;
	size_t i, memchunks_size;

	if (ptr == NULL)
		return;