qemu/include/qapi/qmp/qnull.h
Max Reitz b38dd678a2 qapi: Add qobject_is_equal()
This generic function (along with its implementations for different
types) determines whether two QObjects are equal.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: 20171114180128.17076-4-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2017-11-17 18:21:30 +01:00

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/*
* QNull
*
* Copyright (C) 2015 Red Hat, Inc.
*
* Authors:
* Markus Armbruster <armbru@redhat.com>
*
* This work is licensed under the terms of the GNU LGPL, version 2.1
* or later. See the COPYING.LIB file in the top-level directory.
*/
#ifndef QNULL_H
#define QNULL_H
#include "qapi/qmp/qobject.h"
struct QNull {
QObject base;
};
extern QNull qnull_;
static inline QNull *qnull(void)
{
QINCREF(&qnull_);
return &qnull_;
}
bool qnull_is_equal(const QObject *x, const QObject *y);
#endif /* QNULL_H */