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 <fcntl.h>
17 #include <string.h>
18 #include <unistd.h>
19 #include "test.h"
20
21 /**
22 * @tc.name : fchdir_0100
23 * @tc.desc : Change the current working directory of the calling process to the directory pointed to fd
24 * @tc.level : Level 0
25 */
fchdir_0100(void)26 void fchdir_0100(void)
27 {
28 char buf[30];
29
30 int fd = open("/data", O_RDONLY);
31 if (fd < 0) {
32 t_error("%s open failed\n", __func__);
33 }
34
35 int result = fchdir(fd);
36 if (result) {
37 t_error("%s fchdir failed, result is %d\n", __func__, result);
38 }
39
40 memset(buf, 0, sizeof(buf));
41
42 char *ret = getcwd(buf, sizeof(buf));
43 if (!ret) {
44 t_error("%s getcwd failed\n", __func__);
45 }
46
47 result = strcmp("/data", buf);
48 if (result) {
49 t_error("%s fchdir failed, buf is %s\n", __func__, buf);
50 }
51
52 close(fd);
53 }
54
main(int argc,char * argv[])55 int main(int argc, char *argv[])
56 {
57 fchdir_0100();
58 return t_status;
59 }
60