sysdeps/unix/bsd/ftime.c

   1 /* Copyright (C) 1994-2016 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #include <sys/timeb.h>
  19 #include <sys/time.h>
  20
  21 int
  22 ftime (struct timeb *timebuf)
  23 {
  24   struct timeval tv;
  25   struct timezone tz;
  26
  27   if (__gettimeofday (&tv, &tz) < 0)
  28     return -1;
  29
  30   timebuf->time = tv.tv_sec;
  31   timebuf->millitm = (tv.tv_usec + 500) / 1000;
  32   if (timebuf->millitm == 1000)
  33     {
  34       ++timebuf->time;
  35       timebuf->millitm = 0;
  36     }
  37   timebuf->timezone = tz.tz_minuteswest;
  38   timebuf->dstflag = tz.tz_dsttime;
  39   return 0;
  40 }