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1 /*
2  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3  * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without modification,
6  * are permitted provided that the following conditions are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright notice, this list of
9  * conditions and the following disclaimer.
10  *
11  * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12  * of conditions and the following disclaimer in the documentation and/or other materials
13  * provided with the distribution.
14  *
15  * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16  * to endorse or promote products derived from this software without specific prior written
17  * permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 #include "It_test_IO.h"
32 
testcase(VOID)33 static UINT32 testcase(VOID)
34 {
35     struct mntent* mnt = nullptr;
36     struct mntent* mnt_new = nullptr;
37     FILE *fp = nullptr;
38     char *argv[2] = {nullptr};
39     argv[0] = "/etc/fstab";
40     argv[1] = "errors";
41     char *opt = argv[1];
42     char *ret = nullptr;
43 
44     mnt_new = (struct mntent *)malloc(sizeof(struct mntent));
45     mnt_new->mnt_fsname = "UUID=c4992556-a86e-45e8-ba5f-190b16a9073x";
46     mnt_new->mnt_dir = "/usr1";
47     mnt_new->mnt_type = "ext3";
48     mnt_new->mnt_opts = "errors=remount-ro,nofail";
49     mnt_new->mnt_freq = 0;
50     mnt_new->mnt_passno = 1;
51 
52     fp = setmntent("/etc/fstab", "r");
53     if (!fp) {
54         printf("fp=0x%x\n", fp);
55         return LOS_NOK;
56     }
57 
58     mnt = getmntent(fp);
59     if (mnt && !(feof(fp) || ferror(fp))) {
60         ret =  hasmntopt(mnt, opt);
61         printf("hasmntopt=%s\n", ret);
62         ICUNIT_ASSERT_NOT_EQUAL_NULL(ret, NULL, -1);
63         mnt = getmntent(fp);
64     }
65 
66     if (fp != NULL) {
67         endmntent(fp);
68     }
69 
70     /* test the addmntent below */
71     fp = setmntent(argv[0], "a");
72     if (fopen("/lib/libc.so", "r")) {
73         printf("aha I found you are OHOS!!!\n");
74         if (addmntent(fp, mnt_new)) {
75             printf("a new mnt is added to %s\n", argv[0]);
76         }
77     }
78 
79     if (fp != NULL) {
80         endmntent(fp);
81     }
82 
83     return LOS_OK;
84 }
85 
IT_STDIO_HASMNTOPT_001(void)86 VOID IT_STDIO_HASMNTOPT_001(void)
87 {
88     TEST_ADD_CASE(__FUNCTION__, testcase, TEST_LIB, TEST_LIBC, TEST_LEVEL1, TEST_FUNCTION);
89 }
90