| 1 | /* |
| 2 | * QNull |
| 3 | * |
| 4 | * Copyright (C) 2015 Red Hat, Inc. |
| 5 | * |
| 6 | * Authors: |
| 7 | * Markus Armbruster <armbru@redhat.com> |
| 8 | * |
| 9 | * This work is licensed under the terms of the GNU LGPL, version 2.1 |
| 10 | * or later. See the COPYING.LIB file in the top-level directory. |
| 11 | */ |
| 12 | |
| 13 | #ifndef QNULL_H |
| 14 | #define QNULL_H |
| 15 | |
| 16 | #include "qobject/qobject.h" |
| 17 | |
| 18 | struct QNull { |
| 19 | struct QObjectBase_ base; |
| 20 | }; |
| 21 | |
| 22 | extern QNull qnull_; |
| 23 | |
| 24 | static inline QNull *qnull(void) |
| 25 | { |
| 26 | return qobject_ref(&qnull_); |
| 27 | } |
| 28 | |
| 29 | void qnull_unref(QNull *q); |
| 30 | |
| 31 | G_DEFINE_AUTOPTR_CLEANUP_FUNC(QNull, qnull_unref) |
| 32 | |
| 33 | #endif /* QNULL_H */ |