1 /* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #include <dirent.h> 17 #include <signal.h> 18 #include <stdio.h> 19 #include <stdlib.h> 20 #include "test.h" 21 22 const char *path = "/data"; 23 handler(int sig)24void handler(int sig) 25 { 26 exit(t_status); 27 } 28 29 /** 30 * @tc.name : telldir_0100 31 * @tc.desc : Get the current read position of the parameter dir directory stream 32 * @tc.level : Level 0 33 */ telldir_0100(void)34void telldir_0100(void) 35 { 36 DIR *dir; 37 struct dirent *ptr; 38 int counter = 0; 39 dir = opendir(path); 40 long offset1 = telldir(dir); 41 long offset2 = 0; 42 while ((ptr = readdir(dir)) != NULL) { 43 counter++; 44 45 if (counter > 1) { 46 offset2 = telldir(dir); 47 break; 48 } 49 } 50 if (offset1 == offset2) { 51 t_error("%s offset2 invalid", __func__); 52 } 53 closedir(dir); 54 } 55 56 /** 57 * @tc.name : telldir_0200 58 * @tc.desc : Catch exception when parameter dir is NULL 59 * @tc.level : Level 2 60 */ telldir_0200(void)61void telldir_0200(void) 62 { 63 signal(SIGSEGV, handler); 64 65 DIR *dir = NULL; 66 telldir(dir); 67 } 68 main(int argc,char * argv[])69int main(int argc, char *argv[]) 70 { 71 telldir_0100(); 72 telldir_0200(); 73 return t_status; 74 } 75