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1 /*
2  * Copyright (c) 2016 Anchit Jain <anchitjain1234@gmail.com>
3  * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include "tests.h"
30 #include <asm/unistd.h>
31 
32 #if defined __NR_chmod
33 
34 #include <fcntl.h>
35 #include <stdio.h>
36 #include <unistd.h>
37 #include <errno.h>
38 
39 int
main(void)40 main(void)
41 {
42 	static const char fname[] = "chmod_test_file";
43 
44 	if (open(fname, O_CREAT|O_RDONLY, 0400) < 0)
45 		perror_msg_and_fail("open");
46 
47 	long rc = syscall(__NR_chmod, fname, 0600);
48 	printf("chmod(\"%s\", 0600) = %s\n", fname, sprintrc(rc));
49 
50 	if (unlink(fname))
51 		perror_msg_and_fail("unlink");
52 
53 	rc = syscall(__NR_chmod, fname, 051);
54 	printf("chmod(\"%s\", 051) = %s\n", fname, sprintrc(rc));
55 
56 	rc = syscall(__NR_chmod, fname, 004);
57 	printf("chmod(\"%s\", 004) = %s\n", fname, sprintrc(rc));
58 
59 	puts("+++ exited with 0 +++");
60 	return 0;
61 }
62 
63 #else
64 
65 SKIP_MAIN_UNDEFINED("__NR_chmod")
66 
67 #endif
68