glibc/sysdeps/generic/ftime.c

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1995-02-18 01:27:10 +00:00
/* Copyright (C) 1994 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <sys/timeb.h>
#include <sys/time.h>
#include <errno.h>
int
ftime (timebuf)
struct timeb *timebuf;
{
int save = errno;
struct tm *tp;
errno = 0;
if (time (&timebuf->time) == (time_t) -1 && errno != 0)
return -1;
timebuf->millitm = 0;
tp = localtime (&timebuf->time);
if (tp == NULL)
return -1;
timebuf->timezone = tp->tm_gmtoff / 60;
timebuf->dstflag = tp->tm_isdst;
errno = save;
return 0;
}