glibc/sysdeps/posix/utime.c

48 lines
1.4 KiB
C

/* Copyright (C) 1991-2016 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 <sysdep.h>
#include <errno.h>
#include <utime.h>
#include <time.h>
#include <sys/types.h>
#include <sys/time.h>
/* Set the access and modification times of FILE to those given in TIMES.
If TIMES is NULL, set them to the current time. */
int
utime (const char *file, const struct utimbuf *times)
{
struct timeval timevals[2];
struct timeval *tvp;
if (times != NULL)
{
timevals[0].tv_sec = (time_t) times->actime;
timevals[0].tv_usec = 0L;
timevals[1].tv_sec = (time_t) times->modtime;
timevals[1].tv_usec = 0L;
tvp = timevals;
}
else
tvp = NULL;
return __utimes (file, tvp);
}
libc_hidden_def (utime)