glibc/time/ftime.c
Adhemerval Zanella 5d8aa97da2 time: Add 64-bit time_t support for ftime
It basically calls the 64-bit __clock_gettime64 and adds the overflow
check.

Checked on x86_64-linux-gnu and i686-linux-gnu.

Reviewed-by: Lukasz Majewski <lukma@denx.de>
2020-10-27 09:54:50 -03:00

55 lines
1.5 KiB
C

/* Deprecated return date and time.
Copyright (C) 1994-2020 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 <features.h>
#include <sys/timeb.h>
#include <errno.h>
int
__ftime64 (struct __timeb64 *timebuf)
{
struct __timespec64 ts;
__clock_gettime64 (CLOCK_REALTIME, &ts);
timebuf->time = ts.tv_sec;
timebuf->millitm = ts.tv_nsec / 1000000;
timebuf->timezone = 0;
timebuf->dstflag = 0;
return 0;
}
#if __TIMESIZE != 64
libc_hidden_def (__ftime64)
int
ftime (struct timeb *timebuf)
{
struct __timeb64 tb64;
__ftime64 (&tb64);
if (! in_time_t_range (tb64.time))
{
__set_errno (EOVERFLOW);
return -1;
}
timebuf->time = tb64.time;
timebuf->millitm = tb64.millitm;
timebuf->timezone = tb64.timezone;
timebuf->dstflag = tb64.dstflag;
return 0;
}
#endif