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 17570af302Sopenharmony_ci#include <fcntl.h> 18570af302Sopenharmony_ci#include <stdio.h> 19570af302Sopenharmony_ci#include <stdlib.h> 20570af302Sopenharmony_ci#include <unistd.h> 21570af302Sopenharmony_ci#include "test.h" 22570af302Sopenharmony_ci 23570af302Sopenharmony_ci/** 24570af302Sopenharmony_ci * @tc.name : unlockpt_0100 25570af302Sopenharmony_ci * @tc.desc : Test the unlockpt method to gain access to the pseudo-terminal 26570af302Sopenharmony_ci * @tc.level : Level 0 27570af302Sopenharmony_ci */ 28570af302Sopenharmony_civoid unlockpt_0100(void) 29570af302Sopenharmony_ci{ 30570af302Sopenharmony_ci int result; 31570af302Sopenharmony_ci 32570af302Sopenharmony_ci int fdm = open("/dev/ptmx", O_RDWR | O_NOCTTY); 33570af302Sopenharmony_ci if (fdm < 0) { 34570af302Sopenharmony_ci t_error("%s open master failed", __func__); 35570af302Sopenharmony_ci return; 36570af302Sopenharmony_ci } 37570af302Sopenharmony_ci result = grantpt(fdm); 38570af302Sopenharmony_ci if (result < 0) { 39570af302Sopenharmony_ci t_error("%s grantpt failed", __func__); 40570af302Sopenharmony_ci return; 41570af302Sopenharmony_ci } 42570af302Sopenharmony_ci 43570af302Sopenharmony_ci result = unlockpt(fdm); 44570af302Sopenharmony_ci if (result < 0) { 45570af302Sopenharmony_ci t_error("%s unlockpt failed", __func__); 46570af302Sopenharmony_ci return; 47570af302Sopenharmony_ci } 48570af302Sopenharmony_ci} 49570af302Sopenharmony_ci 50570af302Sopenharmony_ciint main(int argc, char *argv[]) 51570af302Sopenharmony_ci{ 52570af302Sopenharmony_ci unlockpt_0100(); 53570af302Sopenharmony_ci return t_status; 54570af302Sopenharmony_ci}