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 "functionalext.h"
18 #include "filepath_util.h"
19
20 /**
21 * @tc.name : freopen_0100
22 * @tc.desc : Each parameter is valid, f is stdin, which can realize input redirection.
23 * @tc.level : Level 0
24 */
freopen_0100(void)25 void freopen_0100(void)
26 {
27 char ptr[PATH_MAX] = {0};
28 FILE_ABSOLUTE_PATH("freopen.txt", ptr);
29
30 FILE *fp;
31 fp = freopen(ptr, "w+", stdin);
32 EXPECT_PTRNE("freopen_0100", fp, NULL);
33
34 fclose(stdin);
35 fclose(fp);
36 remove(ptr);
37 }
38
main(int argc,char * argv[])39 int main(int argc, char *argv[])
40 {
41 freopen_0100();
42 return t_status;
43 }