1 | /* Change access and/or modification date of file. Do not follow symbolic |
2 | links. |
3 | Copyright (C) 2007-2017 Free Software Foundation, Inc. |
4 | This file is part of the GNU C Library. |
5 | |
6 | The GNU C Library is free software; you can redistribute it and/or |
7 | modify it under the terms of the GNU Lesser General Public |
8 | License as published by the Free Software Foundation; either |
9 | version 2.1 of the License, or (at your option) any later version. |
10 | |
11 | The GNU C Library is distributed in the hope that it will be useful, |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 | Lesser General Public License for more details. |
15 | |
16 | You should have received a copy of the GNU Lesser General Public |
17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ |
19 | |
20 | #include <errno.h> |
21 | #include <fcntl.h> |
22 | #include <time.h> |
23 | #include <sys/time.h> |
24 | #include <sysdep.h> |
25 | |
26 | |
27 | int |
28 | lutimes (const char *file, const struct timeval tvp[2]) |
29 | { |
30 | /* The system call espects timespec, not timeval. */ |
31 | struct timespec ts[2]; |
32 | if (tvp != NULL) |
33 | { |
34 | if (tvp[0].tv_usec < 0 || tvp[0].tv_usec >= 1000000 |
35 | || tvp[1].tv_usec < 0 || tvp[1].tv_usec >= 1000000) |
36 | return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL); |
37 | |
38 | TIMEVAL_TO_TIMESPEC (&tvp[0], &ts[0]); |
39 | TIMEVAL_TO_TIMESPEC (&tvp[1], &ts[1]); |
40 | } |
41 | |
42 | return INLINE_SYSCALL (utimensat, 4, AT_FDCWD, file, tvp ? ts : NULL, |
43 | AT_SYMLINK_NOFOLLOW); |
44 | } |
45 | |