• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 <fcntl.h>
18 #include <stdio.h>
19 #include <string.h>
20 #include <sys/sendfile.h>
21 
22 #include "filepath_util.h"
23 
24 /**
25  * @tc.name      : sendfile_0100
26  * @tc.desc      : transfer data between file descriptors
27  * @tc.level     : Level 0
28  */
sendfile_0100(void)29 void sendfile_0100(void)
30 {
31     char fromfile[PATH_MAX] = {0};
32     char tofile[PATH_MAX] = {0};
33     FILE_ABSOLUTE_PATH(STR_FILE_FROM_TXT, fromfile);
34     FILE_ABSOLUTE_PATH(STR_FILE_TO_TXT, tofile);
35 
36     FILE *f = fopen(fromfile, "w+");
37     const char src[] = "A";
38     fwrite(src, strlen(src), 1, f);
39     fclose(f);
40 
41     f = fopen(tofile, "w+");
42     fclose(f);
43 
44     int fromfd = open(fromfile, O_RDONLY);
45     if (fromfd < 0) {
46         t_error("%s failed: open. fromfd = %d\n", __func__, fromfd);
47     }
48 
49     int tofd = open(tofile, O_WRONLY | O_CREAT, TEST_MODE);
50     if (tofd < 0) {
51         t_error("%s failed: open. tofd = %d\n", __func__, tofd);
52     }
53 
54     off_t off = 0;
55     int result = sendfile(tofd, fromfd, &off, 1);
56     if (result < 0) {
57         t_error("%s failed: sendfile. result = %d\n", __func__, result);
58     }
59 
60     close(fromfd);
61     close(tofd);
62 
63     f = fopen(tofile, "r");
64     char buf[sizeof(src) + 1] = {0};
65     fread(buf, 1, strlen(src), f);
66     fclose(f);
67 
68     if (strcmp(src, buf)) {
69         t_error("%s failed: sendfile. buf = %s\n", __func__, buf);
70     }
71 
72     remove(fromfile);
73     remove(tofile);
74 }
75 
76 /**
77  * @tc.name      : sendfile_0200
78  * @tc.desc      : transfer data between invalid file descriptors
79  * @tc.level     : Level 2
80  */
sendfile_0200(void)81 void sendfile_0200(void)
82 {
83     int fromfd = -1;
84     int tofd = -1;
85     off_t off = 0;
86 
87     int result = sendfile(tofd, fromfd, &off, 1);
88     if (result >= 0) {
89         t_error("%s failed: sendfile. result = %d\n", __func__, result);
90     }
91 
92     if (errno != EBADF) {
93         t_error("%s failed: sendfile. errno = %d\n", __func__, errno);
94     }
95 }
96 
main(int argc,char * argv[])97 int main(int argc, char *argv[])
98 {
99     sendfile_0100();
100     sendfile_0200();
101 
102     return t_status;
103 }
104