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/* settimeofday -- set system time - Linux version supporting 64 bit time.
Copyright (C) 2020-2022 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
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <time.h>
#include <sys/time.h>
/* Set the current time of day and timezone information.
This call is restricted to the super-user. */
int
__settimeofday64 (const struct __timeval64 *tv, const struct timezone *tz)
{
/* Backwards compatibility for setting the UTC offset. */
if (__glibc_unlikely (tz != 0))
{
if (tv != 0)
{
__set_errno (EINVAL);
return -1;
}
return __settimezone (tz);
}
struct __timespec64 ts = timeval64_to_timespec64 (*tv);
return __clock_settime64 (CLOCK_REALTIME, &ts);
}
#if __TIMESIZE != 64
libc_hidden_def (__settimeofday64)
int
__settimeofday (const struct timeval *tv, const struct timezone *tz)
{
if (__glibc_unlikely (tv == NULL))
return __settimeofday64 (NULL, tz);
else
{
struct __timeval64 tv64 = valid_timeval_to_timeval64 (*tv);
return __settimeofday64 (&tv64, tz);
}
}
#endif
weak_alias (__settimeofday, settimeofday);
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