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
|
/* Change access and/or modification date of file. Do not follow symbolic
links.
Copyright (C) 2007-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <fcntl.h>
#include <time.h>
#include <sys/time.h>
#include <sysdep.h>
#include <y2038-support.h>
int
lutimes (const char *file, const struct timeval tvp[2])
{
/* The system call espects timespec, not timeval. */
struct timespec ts[2];
if (tvp != NULL)
{
if (tvp[0].tv_usec < 0 || tvp[0].tv_usec >= 1000000
|| tvp[1].tv_usec < 0 || tvp[1].tv_usec >= 1000000)
return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
TIMEVAL_TO_TIMESPEC (&tvp[0], &ts[0]);
TIMEVAL_TO_TIMESPEC (&tvp[1], &ts[1]);
}
return INLINE_SYSCALL (utimensat, 4, AT_FDCWD, file, tvp ? ts : NULL,
AT_SYMLINK_NOFOLLOW);
}
/* 64-bit time version */
int
__lutimes64 (const char *file, const struct __timeval64 tvp[2])
{
struct timespec ts32[2], *ts32p = NULL;;
/* Only try and use this syscall if defined by kernel */
#ifdef __NR_utimensat_time64
/* The system call expects timespec, not timeval. */
struct __timespec64 ts64[2], *ts64p = NULL;
int result;
#endif
/* Only try and use this syscall if defined by kernel */
#ifdef __NR_utimensat_time64
if (__y2038_linux_support > 0)
{
if (tvp != NULL)
{
if (tvp[0].tv_usec < 0 || tvp[0].tv_usec >= 1000000
|| tvp[1].tv_usec < 0 || tvp[1].tv_usec >= 1000000)
return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
ts64[0].tv_sec = tvp[0].tv_sec;
ts64[0].tv_nsec = tvp[0].tv_usec * 1000;
ts64[0].tv_pad = 0;
ts64[1].tv_sec = tvp[1].tv_sec;
ts64[1].tv_nsec = tvp[1].tv_usec * 1000;
ts64[1].tv_pad = 0;
ts64p = ts64;
}
result = INLINE_SYSCALL (utimensat_time64, 4, AT_FDCWD, file, ts64p,
AT_SYMLINK_NOFOLLOW);
if (result == 0 || errno == ENOSYS)
return result;
__y2038_linux_support = -1;
}
#endif
if (tvp != NULL)
{
if (tvp[0].tv_usec < 0 || tvp[0].tv_usec >= 1000000
|| tvp[1].tv_usec < 0 || tvp[1].tv_usec >= 1000000)
return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
ts32[0].tv_sec = tvp[0].tv_sec;
ts32[0].tv_nsec = tvp[0].tv_usec * 1000;
ts32[1].tv_sec = tvp[1].tv_sec;
ts32[1].tv_nsec = tvp[1].tv_usec * 1000;
ts32p = ts32;
}
return INLINE_SYSCALL (utimensat, 4, AT_FDCWD, file, ts32p,
AT_SYMLINK_NOFOLLOW);
}
|