glibc/sysdeps/unix/bsd/ftime.c

41 lines
1.2 KiB
C

/* Copyright (C) 1994-2017 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 <sys/timeb.h>
#include <sys/time.h>
int
ftime (struct timeb *timebuf)
{
struct timeval tv;
struct timezone tz;
if (__gettimeofday (&tv, &tz) < 0)
return -1;
timebuf->time = tv.tv_sec;
timebuf->millitm = (tv.tv_usec + 500) / 1000;
if (timebuf->millitm == 1000)
{
++timebuf->time;
timebuf->millitm = 0;
}
timebuf->timezone = tz.tz_minuteswest;
timebuf->dstflag = tz.tz_dsttime;
return 0;
}