include/qapi/qmp/qnull.h

   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 "qapi/qmp/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 bool qnull_is_equal(const QObject *x, const QObject *y);
  30
  31 #endif /* QNULL_H */