51 lines
1.7 KiB
C
51 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_AMALLOC_H_
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#define _TD_AMALLOC_H_
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#include "os.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Interfaces to implement
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typedef struct {
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void *(*malloc)(void *, size_t size);
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void *(*calloc)(void *, size_t nmemb, size_t size);
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void (*free)(void *ptr, size_t size); // Do we need to set size in the allocated memory?
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void *(*realloc)(void *ptr, size_t size);
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} SMemAllocatorIf;
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typedef struct {
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void * impl;
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SMemAllocatorIf interface;
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} SMemAllocator;
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#define amalloc(allocator, size) \
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((allocator) ? (*((allocator)->interface.malloc))((allocator)->impl, (size)) : malloc(size))
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#define acalloc(allocator, nmemb, size) \
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((allocator) ? (*((allocator)->interface.calloc))((allocator)->impl, (nmemb), (size)) : calloc((nmemb), (size)))
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#define arealloc(allocator, ptr, size) \
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((allocator) ? (*((allocator)->interface.realloc))((allocator)->impl, (ptr), (size)) : realloc((ptr), (size)))
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#define afree(allocator, ptr, size) \
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((allocator) ? (*((allocator)->interface.free))((allocator)->impl, (ptr), (size)) : free(ptr))
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#ifdef __cplusplus
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}
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#endif
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#endif /*_TD_AMALLOC_H_*/ |