1 /*
2  * Check decoding of utime syscall.
3  *
4  * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
5  * Copyright (c) 2015-2017 The strace developers.
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_utime
35 
36 # include <time.h>
37 # include <utime.h>
38 # include <errno.h>
39 # include <stdio.h>
40 # include <unistd.h>
41 
42 static long
k_utime(const void * const filename,const void * const times)43 k_utime(const void *const filename, const void *const times)
44 {
45 	return syscall(__NR_utime, filename, times);
46 }
47 
48 int
main(void)49 main(void)
50 {
51 	static const char *const dummy_str = "dummy filename";
52 
53 	const time_t t = 1492350678;
54 	const struct utimbuf u = { .actime = t, .modtime = t };
55 	const struct utimbuf *const tail_u = tail_memdup(&u, sizeof(u));
56 	const char *const dummy_filename =
57 		tail_memdup(dummy_str, sizeof(dummy_str) - 1);
58 
59 	long rc = k_utime("", NULL);
60 	printf("utime(\"\", NULL) = %s\n", sprintrc(rc));
61 
62 	rc = k_utime(dummy_filename + sizeof(dummy_str), tail_u + 1);
63 	printf("utime(%p, %p) = %s\n", dummy_filename + sizeof(dummy_str),
64 	       tail_u + 1, sprintrc(rc));
65 
66 	rc = k_utime(dummy_filename, (struct tm *) tail_u + 1);
67 	printf("utime(%p, %p) = %s\n",
68 	       dummy_filename, (struct tm *) tail_u + 1, sprintrc(rc));
69 
70 	rc = k_utime("utime\nfilename", tail_u);
71 	const char *errstr = sprintrc(rc);
72 	printf("utime(\"utime\\nfilename\", {actime=%lld", (long long) t);
73 	print_time_t_nsec(t, 0, 1);
74 	printf(", modtime=%lld", (long long) t);
75 	print_time_t_nsec(t, 0, 1);
76 	printf("}) = %s\n", errstr);
77 
78 	puts("+++ exited with 0 +++");
79 	return 0;
80 }
81 
82 #else
83 
84 SKIP_MAIN_UNDEFINED("__NR_utime")
85 
86 #endif
87