110 lines
2.9 KiB
C
110 lines
2.9 KiB
C
/*
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* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "securec.h"
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#include "los_config.h"
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#include "los_memory.h"
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void *calloc(size_t nitems, size_t size)
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{
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size_t real_size;
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void *ptr = NULL;
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if (nitems == 0 || size == 0) {
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return NULL;
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}
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real_size = (size_t)(nitems * size);
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ptr = LOS_MemAlloc(OS_SYS_MEM_ADDR, real_size);
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if (ptr != NULL) {
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(void)memset_s(ptr, real_size, 0, real_size);
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}
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return ptr;
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}
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void free(void *ptr)
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{
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if (ptr == NULL) {
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return;
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}
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LOS_MemFree(OS_SYS_MEM_ADDR, ptr);
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}
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void *malloc(size_t size)
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{
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if (size == 0) {
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return NULL;
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}
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return LOS_MemAlloc(OS_SYS_MEM_ADDR, size);
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}
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void *zalloc(size_t size)
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{
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void *ptr = NULL;
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if (size == 0) {
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return NULL;
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}
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ptr = LOS_MemAlloc(OS_SYS_MEM_ADDR, size);
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if (ptr != NULL) {
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(void)memset_s(ptr, size, 0, size);
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}
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return ptr;
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}
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void *memalign(size_t boundary, size_t size)
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{
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if (size == 0) {
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return NULL;
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}
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return LOS_MemAllocAlign(OS_SYS_MEM_ADDR, size, boundary);
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}
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void *realloc(void *ptr, size_t size)
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{
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if (ptr == NULL) {
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return malloc(size);
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}
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if (size == 0) {
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free(ptr);
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return NULL;
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}
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return LOS_MemRealloc(OS_SYS_MEM_ADDR, ptr, size);
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}
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