/*
    (C) 1995-96 AROS - The Amiga Replacement OS
    $Id: time.c,v 1.1 1997/01/29 16:51:35 digulla Exp $

    Desc: Return the current time in seconds
    Lang: english
*/

#include <dos/dos.h>
#include <proto/dos.h>

long __gmtoffset;

/*****************************************************************************

    NAME */
#include <time.h>

	time_t time (

/*  SYNOPSIS */
	time_t * tloc)

/*  FUNCTION
       time() returns the time since 00:00:00 GMT, January 1, 1970,
       measured in seconds.

    INPUTS
	tloc - If this pointer is non-NULL, then the time is written into
		this variable as well.

    RESULT
	The number of seconds.

    NOTES

    EXAMPLE
	time_t tt1, tt2;

	// tt1 and tt2 are the same
	tt1 = time (&tt2);

	// This is valid, too
	tt1 = time (NULL);

    BUGS

    SEE ALSO
	ctime(), asctime(), localtime()

    INTERNALS

    HISTORY
	29.01.1997 digulla created

******************************************************************************/
{
    struct DateStamp t;
    time_t	     tt;

    DateStamp (&t); /* Get timestamp */

    /*
	2922 is the number of days between 1.1.1970 and 1.1.1978 (2 leap
		years and 6 normal). The former number is the start value
		for time(), the latter the start time for the AmigaOS
		time functions.
	1440 is the number of minutes per day
	60 is the number of seconds per minute
    */
    tt = ((t.ds_Days + 2922) * 1440 + t.ds_Minute + __gmtoffset) * 60
	+ t.ds_Tick / TICKS_PER_SECOND;

    if (tloc != NULL)
	*tloc = tt;

    return tt;
} /* time */