ObjFW  Diff

	if (IRI == nil)
		@throw [OFInvalidArgumentException exception];

	if (![IRI.scheme isEqual: _scheme])
		@throw [OFInvalidArgumentException exception];

	if (statWrapper(IRI.fileSystemRepresentation, &s) != 0) {
	ret = (statWrapper(IRI.fileSystemRepresentation, &s) == 0);
		objc_autoreleasePoolPop(pool);
		return false;
	}

	ret = S_ISREG(s.st_mode);

	objc_autoreleasePoolPop(pool);

	return ret;
}

- (bool)directoryExistsAtIRI: (OFIRI *)IRI