1 /*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "hilog_realloc.h"
17 #include "securec.h"
18
19 namespace OHOS {
20 namespace ACELite {
Realloc(void * ptr,size_t size,size_t srcSize)21 void *HilogRealloc::Realloc(void *ptr, size_t size, size_t srcSize)
22 {
23 if (size == 0) {
24 return nullptr;
25 }
26 if (srcSize >= size) {
27 return ptr;
28 }
29 if (ptr == nullptr) {
30 return malloc(size);
31 }
32
33 void *newPtr = malloc(size);
34 if (newPtr == nullptr) {
35 return nullptr;
36 }
37 if (srcSize > 0) {
38 memcpy_s(newPtr, size, ptr, srcSize);
39 }
40 free(ptr);
41 return newPtr;
42 }
43 } // namespace ACELite
44 } // namespace OHOS