1 /* Change access and modification times of open file. Linux version.
2 Copyright (C) 2007-2021 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19 #include <errno.h>
20 #include <fcntl.h>
21 #include <string.h>
22 #include <time.h>
23 #include <sysdep.h>
24
25
26 /* Change the access time of the file associated with FD to TSP[0] and
27 the modification time of FILE to TSP[1].
28
29 Starting with 2.6.22 the Linux kernel has the utimensat syscall which
30 can be used to implement futimens. */
31 int
__futimens64(int fd,const struct __timespec64 tsp64[2])32 __futimens64 (int fd, const struct __timespec64 tsp64[2])
33 {
34 if (fd < 0)
35 return INLINE_SYSCALL_ERROR_RETURN_VALUE (EBADF);
36
37 return __utimensat64_helper (fd, NULL, &tsp64[0], 0);
38 }
39
40 #if __TIMESIZE != 64
41 libc_hidden_def (__futimens64);
42
43 int
__futimens(int fd,const struct timespec tsp[2])44 __futimens (int fd, const struct timespec tsp[2])
45 {
46 struct __timespec64 tsp64[2];
47 if (tsp)
48 {
49 tsp64[0] = valid_timespec_to_timespec64 (tsp[0]);
50 tsp64[1] = valid_timespec_to_timespec64 (tsp[1]);
51 }
52
53 return __futimens64 (fd, tsp ? &tsp64[0] : NULL);
54 }
55 #endif
56 weak_alias (__futimens, futimens)
57