1/* utime -- Change access and modification times of file. Posix version.
2 Copyright (C) 1991-2022 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 <sysdep.h>
20#include <errno.h>
21#include <utime.h>
22#include <time.h>
23#include <sys/types.h>
24#include <sys/time.h>
25
26
27/* Set the access and modification times of FILE to those given in TIMES.
28 If TIMES is NULL, set them to the current time. */
29int
30utime (const char *file, const struct utimbuf *times)
31{
32 struct timeval timevals[2];
33 struct timeval *tvp;
34
35 if (times != NULL)
36 {
37 timevals[0].tv_sec = (time_t) times->actime;
38 timevals[0].tv_usec = 0L;
39 timevals[1].tv_sec = (time_t) times->modtime;
40 timevals[1].tv_usec = 0L;
41 tvp = timevals;
42 }
43 else
44 tvp = NULL;
45
46 return __utimes (file, tvp);
47}
48libc_hidden_def (utime)
49

source code of glibc/sysdeps/posix/utime.c