1fb299fa2Sopenharmony_ci/* 2fb299fa2Sopenharmony_ci * Copyright (c) 2021-2023 Huawei Device Co., Ltd. 3fb299fa2Sopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License"); 4fb299fa2Sopenharmony_ci * you may not use this file except in compliance with the License. 5fb299fa2Sopenharmony_ci * You may obtain a copy of the License at 6fb299fa2Sopenharmony_ci * 7fb299fa2Sopenharmony_ci * http://www.apache.org/licenses/LICENSE-2.0 8fb299fa2Sopenharmony_ci * 9fb299fa2Sopenharmony_ci * Unless required by applicable law or agreed to in writing, software 10fb299fa2Sopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS, 11fb299fa2Sopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12fb299fa2Sopenharmony_ci * See the License for the specific language governing permissions and 13fb299fa2Sopenharmony_ci * limitations under the License. 14fb299fa2Sopenharmony_ci */ 15fb299fa2Sopenharmony_ci 16fb299fa2Sopenharmony_ci#include <fcntl.h> 17fb299fa2Sopenharmony_ci#include <unistd.h> 18fb299fa2Sopenharmony_ci#include "fuzz_utils.h" 19fb299fa2Sopenharmony_ci 20fb299fa2Sopenharmony_civoid CloseStdout(void) 21fb299fa2Sopenharmony_ci{ 22fb299fa2Sopenharmony_ci int fd = open("/dev/null", O_RDWR | O_CLOEXEC); 23fb299fa2Sopenharmony_ci if (fd < 0) { 24fb299fa2Sopenharmony_ci return; 25fb299fa2Sopenharmony_ci } 26fb299fa2Sopenharmony_ci dup2(fd, 1); 27fb299fa2Sopenharmony_ci close(fd); 28fb299fa2Sopenharmony_ci} 29