unplugged-system/system/chre/platform/shared/mbedtls/mbedtls_memory.cc

37 lines
1.1 KiB
C++

/*
* Copyright (C) 2023 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "mbedtls_memory.h"
#include <stdint.h>
#include <string.h>
#include "chre/platform/memory.h"
void *mbedtlsMemoryCalloc(size_t nItems, size_t itemSize) {
if (nItems == 0 || itemSize == 0 || SIZE_MAX / nItems < itemSize) {
return nullptr;
}
size_t totalSize = nItems * itemSize;
void *ptr = chre::memoryAlloc(totalSize);
if (ptr != nullptr) {
memset(ptr, 0, totalSize);
}
return ptr;
}
void mbedtlsMemoryFree(void *ptr) {
chre::memoryFree(ptr);
}