@@ -35,18 +35,18 @@
 	return [[[self alloc] initWithObject: object
 			     requestedLength: requestedLength
 				       errNo: errNo] autorelease];
 }
 
-- init
+- (instancetype)init
 {
 	OF_INVALID_INIT_METHOD
 }
 
--  initWithObject: (id)object
-  requestedLength: (size_t)requestedLength
-	    errNo: (int)errNo
+- (instancetype)initWithObject: (id)object
+	       requestedLength: (size_t)requestedLength
+			 errNo: (int)errNo
 {
 	self = [super init];
 
 	_object = [object retain];
 	_requestedLength = requestedLength;