#include "linked_list.h"
#include "stdlib.h"


ALARM_NODE_T * pList_head = NULL;
uint8_t alarm_list_cnt = 0;
	
///*Á´±íÍ·Êý¾Ý¹¹Ôì*/
//ALARM_NODE_T * Alarm_List_Node_HeadCreated(ALARM_NODE_T * pHead,SYS_ALARM_VALVE_T alarm_id)
//{
//	if(pHead->list_data == AV_NORMAL && pHead->alarm_list_next == NULL)
//	{
//		pHead->list_data = alarm_id;
//	}
//	return pHead;
//}
/*ÉêÇ붯̬Á´±í¿Õ¼ä*/
ALARM_NODE_T * Alarm_List_Node_Add(SYS_ALARM_VALVE_T alarm_id)
{
	ALARM_NODE_T * ptr = (ALARM_NODE_T * )malloc(ALARM_LIST_NODE_LEN);
	if(ptr != NULL)
	{
		ptr->list_data = alarm_id;
		ptr->alarm_list_next = NULL;
		return ptr;
	}
	return NULL;
}
//µ¥Á´±íβ²å
//Ë«ÖØÖ¸Õ룺ָÏòÖ¸ÕëµÄÖ¸Õ룬Èç¹ûÐè¸Ä±äÖ¸ÕëµØÖ·µÄÖµ£¬Ôò¿ÉÓÃË«ÖØÖ¸Õë
void Alarm_List_Node_PushBack(ALARM_NODE_T ** ppList,SYS_ALARM_VALVE_T alarm_id)
{
	ALARM_NODE_T * tail, * now_ptr;
	
	if(alarm_id != ALARM_ID_NORMAL)
	{
		alarm_list_cnt++;
		if(*ppList == NULL)
		{
			*ppList = Alarm_List_Node_Add(alarm_id);
		}
		else
		{
			//ÅжÏÁ´±íÖÐÊÇ·ñÒѾ­´æÔڸñ¨¾¯id£¬ÒѾ­´æÔÚ²»ÔÙ²åÈëÁ´±í
			do{
				if(now_ptr->list_data == alarm_id){
					return;
				}else{
					now_ptr = now_ptr->alarm_list_next;
				}
				
			}while(now_ptr != NULL);
			
			tail = *ppList;
			while(tail->alarm_list_next)
				tail = tail->alarm_list_next;
			tail->alarm_list_next = Alarm_List_Node_Add(alarm_id);
		}
	}
}
//µ¥Á´±íµÄβɾ
void Alarm_List_Node_PopBack(ALARM_NODE_T ** ppList)
{
	ALARM_NODE_T * tail = *ppList;
	while (tail->alarm_list_next->alarm_list_next)
	{
		tail = tail->alarm_list_next;
	}
	free(tail->alarm_list_next);
	tail->alarm_list_next = NULL;
}
////µ¥Á´±í²éÕÒ
//ALARM_NODE_T * Alarm_List_Node_Find(ALARM_NODE_T * pList,SYS_ALARM_VALVE_T alarm_id)
//{
//	ALARM_NODE_T * cur_ptr = pList;
//	while(cur_ptr)
//	{
//		if(cur_ptr->list_data == alarm_id)
//			return cur_ptr;
//		cur_ptr = cur_ptr->alarm_list_next;
//	}
//	return NULL;
//}	
//µ¥Á´±íÖмäɾ³ý
void Alarm_List_Node_Deleted(ALARM_NODE_T ** ppHeadList,SYS_ALARM_VALVE_T alarm_id)
{
	if(alarm_id != ALARM_ID_NORMAL)
	{
		ALARM_NODE_T * last_ptr,* now_ptr;
		if(*ppHeadList == NULL)
			return;
		else
		{
			now_ptr = *ppHeadList;
			while(now_ptr->alarm_list_next != NULL && now_ptr->list_data != alarm_id)
			{
				last_ptr = now_ptr;
				now_ptr = now_ptr->alarm_list_next;
			}
			if(now_ptr->list_data == alarm_id)
			{
				alarm_list_cnt--;
				if(now_ptr == *ppHeadList)
					*ppHeadList = now_ptr->alarm_list_next;
				else
					last_ptr->alarm_list_next = now_ptr->alarm_list_next;
				free(now_ptr);
				now_ptr = NULL;
			}
		}
	}
}