2 * Copyright (c) 2016 Anchit Jain <anchitjain1234@gmail.com>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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.
29 #include <asm/unistd.h>
31 #if defined __NR_chmod
41 static const char fname[] = "chmod_test_file";
43 if (open(fname, O_CREAT|O_RDONLY, 0400) == -1)
44 perror_msg_and_fail("open");
46 int chmod_res = syscall(__NR_chmod, fname, 0600);
49 printf("chmod(\"%s\", 0600) = 0\n", fname);
51 if (errno == ENOSYS) {
52 printf("chmod(\"%s\", 0600) = -1 ENOSYS (%m)\n", fname);
54 perror_msg_and_fail("chmod");
58 if (unlink(fname) == -1)
59 perror_msg_and_fail("unlink");
62 if (syscall(__NR_chmod, fname, 0600) != -1)
63 perror_msg_and_fail("chmod");
65 printf("chmod(\"%s\", 0600) = -1 ENOENT (%m)\n", fname);
68 puts("+++ exited with 0 +++");
74 SKIP_MAIN_UNDEFINED("__NR_chmod")