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4e9066bc | 1 | /* futimesat -- Change access and modification times of file. Linux version. |
d614a753 | 2 | Copyright (C) 2005-2020 Free Software Foundation, Inc. |
a63c7fa1 CM |
3 | This file is part of the GNU C Library. |
4 | Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. | |
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 | |
ab84e3ff | 17 | License along with the GNU C Library. If not, see |
5a82c748 | 18 | <https://www.gnu.org/licenses/>. */ |
a63c7fa1 CM |
19 | |
20 | #include <errno.h> | |
21 | #include <fcntl.h> | |
22 | #include <stddef.h> | |
23 | #include <stdio.h> | |
24 | #include <string.h> | |
25 | #include <utime.h> | |
26 | #include <sys/time.h> | |
27 | #include <sysdep.h> | |
a63c7fa1 CM |
28 | |
29 | ||
30 | /* Change the access time of FILE relative to FD to TVP[0] and | |
31 | the modification time of FILE to TVP[1]. */ | |
32 | int | |
33 | futimesat (int fd, const char *file, const struct timeval tvp[2]) | |
34 | { | |
35 | struct timespec tsp[2]; | |
36 | int result; | |
37 | ||
38 | if (tvp) | |
39 | { | |
aa0e4663 JM |
40 | if (tvp[0].tv_usec >= 1000000 || tvp[0].tv_usec < 0 |
41 | || tvp[1].tv_usec >= 1000000 || tvp[1].tv_usec < 0) | |
a63c7fa1 CM |
42 | { |
43 | __set_errno (EINVAL); | |
44 | return -1; | |
45 | } | |
46 | TIMEVAL_TO_TIMESPEC (&tvp[0], &tsp[0]); | |
47 | TIMEVAL_TO_TIMESPEC (&tvp[1], &tsp[1]); | |
48 | } | |
49 | ||
50 | result = INLINE_SYSCALL (utimensat, 4, fd, file, tvp ? tsp : NULL, 0); | |
51 | return result; | |
52 | } |