mirror of
https://github.com/ventoy/Ventoy.git
synced 2024-12-26 23:25:57 -05:00
99 lines
2.5 KiB
C
99 lines
2.5 KiB
C
/******************************************************************************
|
|
* biso_list.c
|
|
*
|
|
* Copyright (c) 2020, longpanda <admin@ventoy.net>
|
|
*
|
|
* 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 3 of the
|
|
* License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#include "biso.h"
|
|
#include "biso_list.h"
|
|
#include "biso_util.h"
|
|
|
|
VOID BISO_DLL_Init(OUT BISO_DLL_S *pstList)
|
|
{
|
|
pstList->stHead.pstNext = &(pstList->stHead);
|
|
pstList->stHead.pstPre = &(pstList->stHead);
|
|
pstList->pstTail = &(pstList->stHead);
|
|
pstList->uiCount = 0;
|
|
}
|
|
|
|
VOID BISO_DLL_AddTail
|
|
(
|
|
IN BISO_DLL_S *pstList,
|
|
IN BISO_DLL_NODE_S *pstNode
|
|
)
|
|
{
|
|
pstList->pstTail->pstNext = pstNode;
|
|
pstNode->pstNext = NULL;
|
|
pstNode->pstPre = pstList->pstTail;
|
|
pstList->pstTail = pstNode;
|
|
pstList->uiCount++;
|
|
}
|
|
|
|
VOID BISO_DLL_DelHead(IN BISO_DLL_S *pstList)
|
|
{
|
|
BISO_DLL_NODE_S *pstFirst = BISO_DLL_First(pstList);
|
|
|
|
if (NULL != pstFirst)
|
|
{
|
|
if (1 == BISO_DLL_Count(pstList)) /* 唯一节点 */
|
|
{
|
|
BISO_DLL_Init(pstList);
|
|
}
|
|
else
|
|
{
|
|
pstFirst->pstNext->pstPre = &(pstList->stHead);
|
|
pstList->stHead.pstNext = pstFirst->pstNext;
|
|
pstList->uiCount--;
|
|
}
|
|
}
|
|
}
|
|
VOID BISO_DLL_DelTail(IN BISO_DLL_S *pstList)
|
|
{
|
|
BISO_DLL_NODE_S *pstLast = BISO_DLL_Last(pstList);
|
|
|
|
if (NULL != pstLast)
|
|
{
|
|
if (1 == BISO_DLL_Count(pstList)) /* 唯一节点 */
|
|
{
|
|
BISO_DLL_Init(pstList);
|
|
}
|
|
else
|
|
{
|
|
pstLast->pstPre->pstNext = NULL;
|
|
pstList->pstTail = pstLast->pstPre;
|
|
pstList->uiCount--;
|
|
}
|
|
}
|
|
}
|
|
|
|
VOID BISO_DLL_Free(IN BISO_DLL_S *pstList)
|
|
{
|
|
BISO_DLL_NODE_S *pstFirst = BISO_DLL_First(pstList);
|
|
|
|
while (NULL != pstFirst)
|
|
{
|
|
/* 每次都摘掉头节点 */
|
|
BISO_DLL_DelHead(pstList);
|
|
|
|
/* 使用free释放节点 */
|
|
BISO_FREE(pstFirst);
|
|
pstFirst = BISO_DLL_First(pstList);
|
|
}
|
|
}
|
|
|
|
|