1 /* 2 * Copyright (c) 2024 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 "utils.h" 17 MallocCString(const std::string & origin)18char* Utils::MallocCString(const std::string& origin) 19 { 20 if (origin.empty()) { 21 return nullptr; 22 } 23 auto len = origin.length() + 1; 24 char* res = static_cast<char*>(malloc(sizeof(char) * len)); 25 if (res == nullptr) { 26 return nullptr; 27 } 28 return std::char_traits<char>::copy(res, origin.c_str(), len); 29 } 30 StringVectorToArray(std::vector<std::string> vector)31CArrString Utils::StringVectorToArray(std::vector<std::string> vector) 32 { 33 if (vector.size() == 0) { 34 return CArrString{}; 35 } 36 char **head = static_cast<char **>(malloc(vector.size() * sizeof(char *))); 37 if (head == nullptr) { 38 return CArrString{}; 39 } 40 for (unsigned long i = 0; i < vector.size(); i++) { 41 head[i] = Utils::MallocCString(vector[i]); 42 } 43 CArrString stringArray = {head, vector.size()}; 44 return stringArray; 45 }