1 /*
2 * Check decoding of utime syscall.
3 *
4 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30 #include "tests.h"
31 #include <asm/unistd.h>
32
33 #ifdef __NR_utime
34
35 # include <time.h>
36 # include <utime.h>
37 # include <errno.h>
38 # include <stdio.h>
39 # include <unistd.h>
40
41
42 static void
print_tm(const struct tm * const p)43 print_tm(const struct tm * const p)
44 {
45 char buf[256];
46
47 strftime(buf, sizeof(buf), "%FT%T%z", p);
48
49 printf("%s", buf);
50 }
51
52 static long
k_utime(const void * const filename,const void * const times)53 k_utime(const void *const filename, const void *const times)
54 {
55 return syscall(__NR_utime, filename, times);
56 }
57
58 int
main(void)59 main(void)
60 {
61 static const char *const dummy_str = "dummy filename";
62
63 const time_t t = time(NULL);
64 const struct tm * const p = localtime(&t);
65 const struct utimbuf u = { .actime = t, .modtime = t };
66 const struct utimbuf *const tail_u = tail_memdup(&u, sizeof(u));
67 const char *const dummy_filename =
68 tail_memdup(dummy_str, sizeof(dummy_str) - 1);
69
70 long rc = k_utime("", NULL);
71 printf("utime(\"\", NULL) = %s\n", sprintrc(rc));
72
73 rc = k_utime(dummy_filename + sizeof(dummy_str), tail_u + 1);
74 printf("utime(%p, %p) = %s\n", dummy_filename + sizeof(dummy_str),
75 tail_u + 1, sprintrc(rc));
76
77 rc = k_utime(dummy_filename, (struct tm *) tail_u + 1);
78 printf("utime(%p, %p) = %s\n",
79 dummy_filename, (struct tm *) tail_u + 1, sprintrc(rc));
80
81 rc = k_utime("utime\nfilename", tail_u);
82 const char *errstr = sprintrc(rc);
83 printf("utime(\"utime\\nfilename\", {actime=");
84 print_tm(p);
85 printf(", modtime=");
86 print_tm(p);
87 printf("}) = %s\n", errstr);
88
89 puts("+++ exited with 0 +++");
90 return 0;
91 }
92
93 #else
94
95 SKIP_MAIN_UNDEFINED("__NR_utime")
96
97 #endif
98