1 /*
2 * Check decoding of fchmod syscall.
3 *
4 * Copyright (c) 2016 Fabien Siron <fabien.siron@epita.fr>
5 * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "tests.h"
32 #include <asm/unistd.h>
33
34 #ifdef __NR_fchmod
35
36 # include <fcntl.h>
37 # include <sys/stat.h>
38 # include <stdio.h>
39 # include <unistd.h>
40
41 int
main(void)42 main(void)
43 {
44 static const char fname[] = "fchmod_test_file";
45
46 int fd = open(fname, O_CREAT|O_RDONLY, 0400);
47 if (fd < 0)
48 perror_msg_and_fail("open");
49
50 if (unlink(fname))
51 perror_msg_and_fail("unlink");
52
53 long rc = syscall(__NR_fchmod, fd, 0600);
54 printf("fchmod(%d, 0600) = %s\n", fd, sprintrc(rc));
55
56 close(fd);
57
58 rc = syscall(__NR_fchmod, fd, 051);
59 printf("fchmod(%d, 051) = %s\n", fd, sprintrc(rc));
60
61 rc = syscall(__NR_fchmod, fd, 004);
62 printf("fchmod(%d, 004) = %s\n", fd, sprintrc(rc));
63
64 puts("+++ exited with 0 +++");
65 return 0;
66 }
67
68 #else
69
70 SKIP_MAIN_UNDEFINED("__NR_fchmod")
71
72 #endif
73