58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _TD_UTIL_FREELIST_H_
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#define _TD_UTIL_FREELIST_H_
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#include "tlist.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct SFreeListNode {
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TD_SLIST_NODE(SFreeListNode);
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char payload[];
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};
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typedef TD_SLIST(SFreeListNode) SFreeList;
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#define TFL_MALLOC(SIZE, LIST) \
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({ \
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void *ptr = malloc((SIZE) + sizeof(struct SFreeListNode)); \
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if (ptr) { \
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TD_SLIST_PUSH((LIST), (struct SFreeListNode *)ptr); \
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ptr = ((struct SFreeListNode *)ptr)->payload; \
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} \
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ptr; \
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})
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#define tFreeListInit(pFL) TD_SLIST_INIT(pFL)
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static FORCE_INLINE void tFreeListClear(SFreeList *pFL) {
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struct SFreeListNode *pNode;
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for (;;) {
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pNode = TD_SLIST_HEAD(pFL);
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if (pNode == NULL) break;
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TD_SLIST_POP(pFL);
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free(pNode);
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}
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /*_TD_UTIL_FREELIST_H_*/ |