/*
 * @(#)link.h
 * @date 2005/12/25
 * @version 1.0
 * @author Zhou Shangpin.
 * Copyright 2005 Anyka corporation, Inc. All rights reserved.
 * ANYKA PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

#ifndef		_LINK_H_
#define		_LINK_H_
#include	"object.h"
#include	"mem_api.h"

typedef struct LinkItem* T_PLINKITEM;
typedef struct LinkItem T_LINKITEM;
struct LinkItem
{
	T_POBJECT	data;
	T_PLINKITEM	prev;
	T_PLINKITEM	next;
};

struct Link
{
	T_OBJECT object;
	T_PLINKITEM	head;
	T_PLINKITEM	tail;
	T_PLINKITEM	ptr;
};

typedef	struct Link	T_LINK;
typedef	struct Link* T_PLINK;

T_VOID Link_Destroy(T_PLINK obj);
T_VOID Link_Initial(T_PLINK obj);
T_U32 Link_Search(T_PLINK obj, T_POBJECT item);
T_POBJECT Link_Get(T_PLINK obj, T_U32 pos);
T_VOID Link_First(T_PLINK obj);
T_VOID Link_Last(T_PLINK obj);
T_POBJECT Link_Next(T_PLINK obj);
T_POBJECT Link_Prev(T_PLINK obj);
T_BOOL Link_Delete(T_PLINK obj);
T_BOOL Link_Insert(T_PLINK obj, T_POBJECT item);
T_BOOL Link_IsEmpty(T_PLINK obj);

#endif