1d9f0492fSopenharmony_ci/* 2d9f0492fSopenharmony_ci * Copyright (c) 2022 Huawei Device Co., Ltd. 3d9f0492fSopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License"); 4d9f0492fSopenharmony_ci * you may not use this file except in compliance with the License. 5d9f0492fSopenharmony_ci * You may obtain a copy of the License at 6d9f0492fSopenharmony_ci * 7d9f0492fSopenharmony_ci * http://www.apache.org/licenses/LICENSE-2.0 8d9f0492fSopenharmony_ci * 9d9f0492fSopenharmony_ci * Unless required by applicable law or agreed to in writing, software 10d9f0492fSopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS, 11d9f0492fSopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12d9f0492fSopenharmony_ci * See the License for the specific language governing permissions and 13d9f0492fSopenharmony_ci * limitations under the License. 14d9f0492fSopenharmony_ci */ 15d9f0492fSopenharmony_ci 16d9f0492fSopenharmony_ci#include <fcntl.h> 17d9f0492fSopenharmony_ci#include <unistd.h> 18d9f0492fSopenharmony_ci#include "fuzz_utils.h" 19d9f0492fSopenharmony_ci 20d9f0492fSopenharmony_civoid CloseStdout(void) 21d9f0492fSopenharmony_ci{ 22d9f0492fSopenharmony_ci int fd = open("/dev/null", O_RDWR | O_CLOEXEC); 23d9f0492fSopenharmony_ci if (fd < 0) { 24d9f0492fSopenharmony_ci return; 25d9f0492fSopenharmony_ci } 26d9f0492fSopenharmony_ci dup2(fd, 1); 27d9f0492fSopenharmony_ci close(fd); 28d9f0492fSopenharmony_ci}