1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) International Business Machines Corp., 2001
4 * 07/2001 Ported by Wayne Boyer
5 */
6 /*
7 * Description:
8 * 1) lseek64(2) fails and sets errno to EINVAL when whence is invalid.
9 * 2) lseek64(2) fails ans sets errno to EBADF when fd is not an open
10 * file descriptor.
11 */
12
13 #ifndef _GNU_SOURCE
14 #define _GNU_SOURCE
15 #endif
16
17 #include <stdio.h>
18 #include "tst_test.h"
19
20 #define TEMP_FILE1 "tmp_file1"
21 #define TEMP_FILE2 "tmp_file2"
22
23 #define FILE_MODE S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH
24 #define SEEK_TOP 10
25
26 static int fd1;
27 static int fd2;
28
29 static struct tcase {
30 int *fd;
31 int whence;
32 int exp_err;
33 } tcases[] = {
34 {&fd1, SEEK_TOP, EINVAL},
35 {&fd2, SEEK_SET, EBADF},
36 };
37
verify_llseek(unsigned int n)38 static void verify_llseek(unsigned int n)
39 {
40 struct tcase *tc = &tcases[n];
41
42 TEST(lseek64(*tc->fd, (loff_t) 1, tc->whence));
43 if (TST_RET != (off_t) -1) {
44 tst_res(TFAIL, "lseek64(%d, 1, %d) succeeded unexpectedly (%ld)",
45 *tc->fd, tc->whence, TST_RET);
46 return;
47 }
48 if (TST_ERR == tc->exp_err) {
49 tst_res(TPASS | TTERRNO, "lseek64(%d, 1, %d) failed as expected",
50 *tc->fd, tc->whence);
51 } else {
52 tst_res(TFAIL | TTERRNO, "lseek64(%d, 1, %d) failed "
53 "unexpectedly, expected %s", *tc->fd, tc->whence,
54 tst_strerrno(tc->exp_err));
55 }
56 }
57
setup(void)58 static void setup(void)
59 {
60 fd1 = SAFE_OPEN(TEMP_FILE1, O_RDWR | O_CREAT, FILE_MODE);
61 fd2 = SAFE_OPEN(TEMP_FILE2, O_RDWR | O_CREAT, FILE_MODE);
62 close(fd2);
63 }
64
65 static struct tst_test test = {
66 .setup = setup ,
67 .needs_tmpdir = 1 ,
68 .test = verify_llseek,
69 .tcnt = ARRAY_SIZE(tcases),
70 };
71