/* * Copyright (c) 2022 Huawei Device Co., Ltd. * 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. */ #ifndef COMMON_H #define COMMON_H #include #include namespace Common { static const unsigned int NUMBER = 128; // cmd calls std::string runProcess(const std::string &cmd) { if (FILE* fp = popen(cmd.c_str(), "r")) { std::ostringstream stm; char line[NUMBER]; while (fgets(line, NUMBER, fp)) { stm << line; } pclose(fp); return stm.str(); } return ""; } } #endif // COMMON_H