icqlist.h
上传用户:zslianheng
上传日期:2013-04-03
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文件大小:1k
- /***************************************************************************
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * copyright : (C) 2002 by Zhang Yong *
- * email : z-yong163@163.com *
- ***************************************************************************/
- #ifndef _ICQ_LIST_H_
- #define _ICQ_LIST_H_
- #include "icqtypes.h"
- #define LIST_ENTRY(ptr, type, member)
- ((type *) ((char *) (ptr) - (unsigned long) (&((type *) 0)->member)))
- #define LIST_FOR_EACH(pos, head)
- for (pos = (head)->next; pos != (head); pos = pos->next)
- class IcqListItem {
- public:
- IcqListItem() {
- prev = next = this;
- }
- void remove();
- IcqListItem *prev, *next;
- };
- class IcqList {
- public:
- bool isEmpty() {
- return (head.next == &head);
- }
- IcqListItem *getHead() {
- return head.next;
- }
- void add(IcqListItem *item);
- void addHead(IcqListItem *item);
- IcqListItem head;
- };
- #endif