1 /*
2 * Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #ifdef HAVE_CONFIG_H
29 # include "config.h"
30 #endif
31
32 #include <sys/syscall.h>
33
34 #ifdef __NR_lseek
35
36 #include <errno.h>
37 #include <stdio.h>
38 #include <unistd.h>
39
40 #include "kernel_types.h"
41
42 int
main(void)43 main(void)
44 {
45 const kernel_ulong_t offset = (kernel_ulong_t) 0xdefaced0badc0deULL;
46 int rc;
47
48 if (sizeof(offset) > sizeof(long))
49 rc = lseek(-1, offset, SEEK_SET);
50 else
51 rc = syscall(__NR_lseek, -1L, offset, SEEK_SET);
52
53 if (rc != -1 || EBADF != errno)
54 return 77;
55
56 printf("lseek(-1, %llu, SEEK_SET) = -1 EBADF (Bad file descriptor)\n",
57 (unsigned long long) offset);
58
59 puts("+++ exited with 0 +++");
60 return 0;
61 }
62
63 #else
64
65 int
main(void)66 main(void)
67 {
68 return 77;
69 }
70
71 #endif
72