59 lines
2.2 KiB
C
59 lines
2.2 KiB
C
/*-
|
|
* Copyright (c) 2009 Oliver Lehmann <oliver@FreeBSD.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $Id: timegm.c,v 1.2 2009/08/12 19:27:31 olivleh1 Exp $
|
|
*/
|
|
|
|
#include <time.h>
|
|
|
|
extern struct tm *gmtime();
|
|
|
|
long
|
|
timegm(clktime)
|
|
struct tm *clktime;
|
|
{
|
|
register long time;
|
|
register i;
|
|
static int dmsize[] = /* Tage/Monat (kumulierend) */
|
|
{ 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 };
|
|
|
|
time = 0;
|
|
if (clktime->tm_mday > 31 || clktime->tm_mon > 12)
|
|
return(time);
|
|
i = dmsize[clktime->tm_mon];
|
|
if (clktime->tm_year%4 == 0 && clktime->tm_mon > 2) i++;
|
|
if (clktime->tm_year > 137) return(time);
|
|
time = (clktime->tm_year-69)/4;
|
|
time += 365*(clktime->tm_year-70)+i;
|
|
time += clktime->tm_mday - 1;
|
|
|
|
if (clktime->tm_sec > 59 || clktime->tm_min > 59 || clktime->tm_hour > 23)
|
|
return(time);
|
|
time = 24*time + clktime->tm_hour;
|
|
time = 60*time + clktime->tm_min;
|
|
time = 60*time + clktime->tm_sec;
|
|
return(time);
|
|
}
|