1570af302Sopenharmony_ci/* 2570af302Sopenharmony_ci * Copyright (c) 2022 Huawei Device Co., Ltd. 3570af302Sopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License"); 4570af302Sopenharmony_ci * you may not use this file except in compliance with the License. 5570af302Sopenharmony_ci * You may obtain a copy of the License at 6570af302Sopenharmony_ci * 7570af302Sopenharmony_ci * http://www.apache.org/licenses/LICENSE-2.0 8570af302Sopenharmony_ci * 9570af302Sopenharmony_ci * Unless required by applicable law or agreed to in writing, software 10570af302Sopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS, 11570af302Sopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12570af302Sopenharmony_ci * See the License for the specific language governing permissions and 13570af302Sopenharmony_ci * limitations under the License. 14570af302Sopenharmony_ci */ 15570af302Sopenharmony_ci 16570af302Sopenharmony_ci#include <fcntl.h> 17570af302Sopenharmony_ci#include "functionalext.h" 18570af302Sopenharmony_ci#include "filepath_util.h" 19570af302Sopenharmony_ci 20570af302Sopenharmony_ci/** 21570af302Sopenharmony_ci * @tc.name : freopen_0100 22570af302Sopenharmony_ci * @tc.desc : Each parameter is valid, f is stdin, which can realize input redirection. 23570af302Sopenharmony_ci * @tc.level : Level 0 24570af302Sopenharmony_ci */ 25570af302Sopenharmony_civoid freopen_0100(void) 26570af302Sopenharmony_ci{ 27570af302Sopenharmony_ci char ptr[PATH_MAX] = {0}; 28570af302Sopenharmony_ci FILE_ABSOLUTE_PATH("freopen.txt", ptr); 29570af302Sopenharmony_ci 30570af302Sopenharmony_ci FILE *fp; 31570af302Sopenharmony_ci fp = freopen(ptr, "w+", stdin); 32570af302Sopenharmony_ci EXPECT_PTRNE("freopen_0100", fp, NULL); 33570af302Sopenharmony_ci 34570af302Sopenharmony_ci fclose(stdin); 35570af302Sopenharmony_ci fclose(fp); 36570af302Sopenharmony_ci remove(ptr); 37570af302Sopenharmony_ci} 38570af302Sopenharmony_ci 39570af302Sopenharmony_ciint main(int argc, char *argv[]) 40570af302Sopenharmony_ci{ 41570af302Sopenharmony_ci freopen_0100(); 42570af302Sopenharmony_ci return t_status; 43570af302Sopenharmony_ci}