homework-jianmu/include/util/tlist.h

72 lines
2.2 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* 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.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _TD_LIST_
#define _TD_LIST_
#ifdef __cplusplus
extern "C" {
#endif
typedef enum { TD_LIST_FORWARD, TD_LIST_BACKWARD } TD_LIST_DIRECTION_T;
typedef struct _list_node {
struct _list_node *next;
struct _list_node *prev;
char data[];
} SListNode;
typedef struct {
struct _list_node *head;
struct _list_node *tail;
int numOfEles;
int eleSize;
} SList;
typedef struct {
SListNode * next;
TD_LIST_DIRECTION_T direction;
} SListIter;
#define listHead(l) (l)->head
#define listTail(l) (l)->tail
#define listNEles(l) (l)->numOfEles
#define listEleSize(l) (l)->eleSize
#define isListEmpty(l) ((l)->numOfEles == 0)
#define listNodeFree(n) free(n)
SList * tdListNew(int eleSize);
void * tdListFree(SList *list);
void tdListEmpty(SList *list);
void tdListPrependNode(SList *list, SListNode *node);
void tdListAppendNode(SList *list, SListNode *node);
int tdListPrepend(SList *list, void *data);
int tdListAppend(SList *list, void *data);
SListNode *tdListPopHead(SList *list);
SListNode *tdListPopTail(SList *list);
SListNode *tdListGetHead(SList *list);
SListNode *tsListGetTail(SList *list);
SListNode *tdListPopNode(SList *list, SListNode *node);
void tdListMove(SList *src, SList *dst);
void tdListDiscard(SList *list);
void tdListNodeGetData(SList *list, SListNode *node, void *target);
void tdListInitIter(SList *list, SListIter *pIter, TD_LIST_DIRECTION_T direction);
SListNode *tdListNext(SListIter *pIter);
#ifdef __cplusplus
}
#endif
#endif