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 "data_buffer.h" 17 18 #include <new> 19 20 namespace OHOS { 21 namespace DistributedHardware { DataBuffer(size_t capacity)22DataBuffer::DataBuffer(size_t capacity) 23 { 24 if (capacity != 0) { 25 data_ = new (std::nothrow) uint8_t[capacity] {0}; 26 if (data_ != nullptr) { 27 capacity_ = capacity; 28 } 29 } 30 } 31 ~DataBuffer()32DataBuffer::~DataBuffer() 33 { 34 if (data_ != nullptr) { 35 delete []data_; 36 data_ = nullptr; 37 } 38 39 capacity_ = 0; 40 } 41 Capacity() const42size_t DataBuffer::Capacity() const 43 { 44 return capacity_; 45 } 46 Data() const47uint8_t *DataBuffer::Data() const 48 { 49 return data_; 50 } 51 } // namespace DistributedHardware 52 } // namespcae OHOS