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 <errno.h>
17 #include <stdio.h>
18 #include <string.h>
19 #include "filepath_util.h"
20
21 const char *str = "Hello";
22
23 /**
24 * @tc.name : setbuffer_0100
25 * @tc.desc : The buffer type is _IOFBF
26 * @tc.level : Level 0
27 */
setbuffer_0100(void)28 void setbuffer_0100(void)
29 {
30 char path[PATH_MAX] = {0};
31 FILE_ABSOLUTE_PATH(STR_FILE_TXT, path);
32 FILE *fp = fopen(path, "w+");
33 char buf[BUFSIZ] = {0};
34 errno = 0;
35 setbuffer(fp, buf, BUFSIZ);
36 if (errno != 0) {
37 t_error("%s failed: errno = %d\n", __func__, errno);
38 }
39
40 fputs(str, fp);
41 fflush(fp);
42 fclose(fp);
43
44 fp = fopen(path, "r");
45
46 memset(buf, 0, sizeof(buf));
47 fread(buf, sizeof(buf), 1, fp);
48
49 if (strcmp(buf, str)) {
50 t_error("%s failed: setbuf. buf = %s\n", __func__, buf);
51 }
52
53 fclose(fp);
54 remove(path);
55 }
56
57 /**
58 * @tc.name : setbuffer_0200
59 * @tc.desc : Stream buffering operations with NULL
60 * @tc.level : Level 1
61 */
setbuffer_0200(void)62 void setbuffer_0200(void)
63 {
64 char path[PATH_MAX] = {0};
65 FILE_ABSOLUTE_PATH(STR_FILE_TXT, path);
66 FILE *f = fopen(path, "w+");
67
68 errno = 0;
69 setbuffer(f, NULL, BUFSIZ);
70 if (errno != 0) {
71 t_error("%s failed: errno = %d\n", __func__, errno);
72 }
73
74 fclose(f);
75 remove(path);
76 }
77
main(int argc,char * argv[])78 int main(int argc, char *argv[])
79 {
80 setbuffer_0100();
81 setbuffer_0200();
82 return t_status;
83 }