qobject/qnull.c

   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 #include "qemu/osdep.h"
  14 #include "qapi/qmp/qnull.h"
  15 #include "qobject-internal.h"
  16
  17 QNull qnull_ = {
  18     .base = {
  19         .type = QTYPE_QNULL,
  20         .refcnt = 1,
  21     },
  22 };
  23
  24 /**
  25  * qnull_is_equal(): Always return true because any two QNull objects
  26  * are equal.
  27  */
  28 bool qnull_is_equal(const QObject *x, const QObject *y)
  29 {
  30     return true;
  31 }
  32
  33 void qnull_unref(QNull *q)
  34 {
  35     qobject_unref(q);
  36 }