40 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			40 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
/*
 | 
						|
 * Clone Visitor
 | 
						|
 *
 | 
						|
 * Copyright (C) 2016 Red Hat, Inc.
 | 
						|
 *
 | 
						|
 * This work is licensed under the terms of the GNU GPL, version 2 or later.
 | 
						|
 * See the COPYING file in the top-level directory.
 | 
						|
 *
 | 
						|
 */
 | 
						|
 | 
						|
#ifndef QAPI_CLONE_VISITOR_H
 | 
						|
#define QAPI_CLONE_VISITOR_H
 | 
						|
 | 
						|
#include "qemu/typedefs.h"
 | 
						|
#include "qapi/visitor.h"
 | 
						|
#include "qapi-visit.h"
 | 
						|
 | 
						|
/*
 | 
						|
 * The clone visitor is for direct use only by the QAPI_CLONE() macro;
 | 
						|
 * it requires that the root visit occur on an object, list, or
 | 
						|
 * alternate, and is not usable directly on built-in QAPI types.
 | 
						|
 */
 | 
						|
typedef struct QapiCloneVisitor QapiCloneVisitor;
 | 
						|
 | 
						|
void *qapi_clone(const void *src, void (*visit_type)(Visitor *, const char *,
 | 
						|
                                                     void **, Error **));
 | 
						|
 | 
						|
/*
 | 
						|
 * Deep-clone QAPI object @src of the given @type, and return the result.
 | 
						|
 *
 | 
						|
 * Not usable on QAPI scalars (integers, strings, enums), nor on a
 | 
						|
 * QAPI object that references the 'any' type.  Safe when @src is NULL.
 | 
						|
 */
 | 
						|
#define QAPI_CLONE(type, src)                                           \
 | 
						|
    ((type *)qapi_clone(src,                                            \
 | 
						|
                        (void (*)(Visitor *, const char *, void**,      \
 | 
						|
                                  Error **))visit_type_ ## type))
 | 
						|
 | 
						|
#endif
 |