184be629dSMax Reitz /* 284be629dSMax Reitz * QNull 384be629dSMax Reitz * 484be629dSMax Reitz * Copyright (C) 2015 Red Hat, Inc. 584be629dSMax Reitz * 684be629dSMax Reitz * Authors: 784be629dSMax Reitz * Markus Armbruster <armbru@redhat.com> 884be629dSMax Reitz * 984be629dSMax Reitz * This work is licensed under the terms of the GNU LGPL, version 2.1 1084be629dSMax Reitz * or later. See the COPYING.LIB file in the top-level directory. 1184be629dSMax Reitz */ 1284be629dSMax Reitz 1384be629dSMax Reitz #ifndef QNULL_H 1484be629dSMax Reitz #define QNULL_H 1584be629dSMax Reitz 1684be629dSMax Reitz #include "qapi/qmp/qobject.h" 1784be629dSMax Reitz 1884be629dSMax Reitz struct QNull { 193d3eacaeSMarc-André Lureau struct QObjectBase_ base; 2084be629dSMax Reitz }; 2184be629dSMax Reitz 2284be629dSMax Reitz extern QNull qnull_; 2384be629dSMax Reitz qnull(void)2484be629dSMax Reitzstatic inline QNull *qnull(void) 2584be629dSMax Reitz { 26f5a74a5aSMarc-André Lureau return qobject_ref(&qnull_); 2784be629dSMax Reitz } 2884be629dSMax Reitz 29*d709bbf3SMarc-André Lureau void qnull_unref(QNull *q); 30*d709bbf3SMarc-André Lureau 31*d709bbf3SMarc-André Lureau G_DEFINE_AUTOPTR_CLEANUP_FUNC(QNull, qnull_unref) 32*d709bbf3SMarc-André Lureau 3384be629dSMax Reitz #endif /* QNULL_H */ 34