1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) International Business Machines Corp., 2001
4 * Copyright (c) Red Hat Inc., 2007
5 * 11/2007 Copyed from sendfile02.c by Masatake YAMATO
6 */
7
8 /*\
9 * [Description]
10 *
11 * Testcase to test that sendfile(2) system call returns EINVAL when passing
12 * negative offset.
13 *
14 * [Algorithm]
15 *
16 * Call sendfile with offset = -1.
17 */
18
19 #include <sys/sendfile.h>
20 #include "tst_test.h"
21
22 static int in_fd;
23 static int out_fd;
24
setup(void)25 static void setup(void)
26 {
27 in_fd = SAFE_OPEN("in_file", O_CREAT | O_RDWR, 0600);
28 out_fd = SAFE_CREAT("out_file", 0600);
29 }
30
cleanup(void)31 static void cleanup(void)
32 {
33 SAFE_CLOSE(in_fd);
34 SAFE_CLOSE(out_fd);
35 }
36
run(void)37 static void run(void)
38 {
39 off_t offset = -1;
40
41 TST_EXP_FAIL(sendfile(out_fd, in_fd, &offset, 1), EINVAL,
42 "sendfile(out, in, &offset, ..) with offset=%ld", offset);
43 }
44
45 static struct tst_test test = {
46 .needs_tmpdir = 1,
47 .cleanup = cleanup,
48 .setup = setup,
49 .test_all = run,
50 };
51