For convenience and clarity, make it possible to call qobject_ref() at the time when the reference is associated with a variable, or argument, by making qobject_ref() return the same pointer as given. Use that to simplify the callers. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20180419150145.24795-5-marcandre.lureau@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Useless change to qobject_ref_impl() dropped, commit message improved slightly] Signed-off-by: Markus Armbruster <armbru@redhat.com>
		
			
				
	
	
		
			32 lines
		
	
	
		
			538 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			32 lines
		
	
	
		
			538 B
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
 * 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 {
 | 
						|
    struct QObjectBase_ base;
 | 
						|
};
 | 
						|
 | 
						|
extern QNull qnull_;
 | 
						|
 | 
						|
static inline QNull *qnull(void)
 | 
						|
{
 | 
						|
    return qobject_ref(&qnull_);
 | 
						|
}
 | 
						|
 | 
						|
bool qnull_is_equal(const QObject *x, const QObject *y);
 | 
						|
 | 
						|
#endif /* QNULL_H */
 |