1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
/*
* Check decoding of futimesat syscall.
*
* Copyright (c) 2015-2018 Dmitry V. Levin <ldv@strace.io>
* Copyright (c) 2016-2021 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include "scno.h"
#ifdef __NR_futimesat
# include <stdint.h>
# include <stdio.h>
# include <sys/time.h>
# include <unistd.h>
static void
print_tv(const struct timeval *tv)
{
printf("{tv_sec=%lld, tv_usec=%llu}",
(long long) tv->tv_sec,
zero_extend_signed_to_ull(tv->tv_usec));
print_time_t_usec(tv->tv_sec,
zero_extend_signed_to_ull(tv->tv_usec), 1);
}
static const char *errstr;
static long
k_futimesat(const kernel_ulong_t dirfd,
const kernel_ulong_t pathname,
const kernel_ulong_t times)
{
long rc = syscall(__NR_futimesat, dirfd, pathname, times);
errstr = sprintrc(rc);
return rc;
}
int
main(void)
{
static const kernel_ulong_t bogus_fd =
(kernel_ulong_t) 0xbadfaceddeadbeaf;
static const kernel_ulong_t kfdcwd =
(kernel_ulong_t) 0xdefaced00000000 | -100U;
static const char proto_fname[] = "futimesat_sample";
static const char qname[] = "\"futimesat_sample\"";
char *const fname = tail_memdup(proto_fname, sizeof(proto_fname));
const kernel_ulong_t kfname = (uintptr_t) fname;
struct timeval *const tv = tail_alloc(sizeof(*tv) * 2);
(void) close(0);
/* dirfd */
k_futimesat(0, kfname, 0);
printf("futimesat(0, %s, NULL) = %s\n", qname, errstr);
k_futimesat(bogus_fd, kfname, 0);
printf("futimesat(%d, %s, NULL) = %s\n", (int) bogus_fd, qname, errstr);
k_futimesat(-100U, kfname, 0);
printf("futimesat(AT_FDCWD, %s, NULL) = %s\n", qname, errstr);
k_futimesat(kfdcwd, kfname, 0);
printf("futimesat(AT_FDCWD, %s, NULL) = %s\n", qname, errstr);
/* pathname */
k_futimesat(kfdcwd, 0, 0);
printf("futimesat(AT_FDCWD, NULL, NULL) = %s\n", errstr);
k_futimesat(kfdcwd, kfname + sizeof(proto_fname) - 1, 0);
printf("futimesat(AT_FDCWD, \"\", NULL) = %s\n", errstr);
fname[sizeof(proto_fname) - 1] = '+';
k_futimesat(kfdcwd, kfname, 0);
fname[sizeof(proto_fname) - 1] = '\0';
printf("futimesat(AT_FDCWD, %p, NULL) = %s\n", fname, errstr);
if (F8ILL_KULONG_SUPPORTED) {
k_futimesat(kfdcwd, f8ill_ptr_to_kulong(fname), 0);
printf("futimesat(AT_FDCWD, %#jx, NULL) = %s\n",
(uintmax_t) f8ill_ptr_to_kulong(fname), errstr);
}
/* times */
k_futimesat(kfdcwd, kfname, (uintptr_t) (tv + 1));
printf("futimesat(AT_FDCWD, %s, %p) = %s\n",
qname, tv + 1, errstr);
k_futimesat(kfdcwd, kfname, (uintptr_t) (tv + 2));
printf("futimesat(AT_FDCWD, %s, %p) = %s\n",
qname, tv + 2, errstr);
tv[0].tv_sec = 0xdeadbeefU;
tv[0].tv_usec = 0xfacefeedU;
tv[1].tv_sec = (time_t) 0xcafef00ddeadbeefLL;
tv[1].tv_usec = (suseconds_t) 0xbadc0dedfacefeedLL;
k_futimesat(kfdcwd, kfname, (uintptr_t) tv);
printf("futimesat(AT_FDCWD, %s, [", qname);
print_tv(&tv[0]);
printf(", ");
print_tv(&tv[1]);
printf("]) = %s\n", errstr);
tv[0].tv_sec = 1492356708;
tv[0].tv_usec = 567891234;
tv[1].tv_sec = 1492357086;
tv[1].tv_usec = 678902345;
k_futimesat(kfdcwd, kfname, (uintptr_t) tv);
printf("futimesat(AT_FDCWD, %s, [", qname);
print_tv(&tv[0]);
printf(", ");
print_tv(&tv[1]);
printf("]) = %s\n", errstr);
tv[0].tv_usec = 567891;
tv[1].tv_usec = 678902;
k_futimesat(kfdcwd, kfname, (uintptr_t) tv);
printf("futimesat(AT_FDCWD, %s, [", qname);
print_tv(&tv[0]);
printf(", ");
print_tv(&tv[1]);
printf("]) = %s\n", errstr);
if (F8ILL_KULONG_SUPPORTED) {
k_futimesat(kfdcwd, kfname, f8ill_ptr_to_kulong(tv));
printf("futimesat(AT_FDCWD, %s, %#jx) = %s\n",
qname, (uintmax_t) f8ill_ptr_to_kulong(tv), errstr);
}
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_futimesat")
#endif
|
