xref: /onnv-gate/usr/src/lib/libast/common/tm/tmxleap.c (revision 12068:08a39a083754)
14887Schin /***********************************************************************
24887Schin *                                                                      *
34887Schin *               This software is part of the ast package               *
4*12068SRoger.Faulkner@Oracle.COM *          Copyright (c) 1985-2010 AT&T Intellectual Property          *
54887Schin *                      and is licensed under the                       *
64887Schin *                  Common Public License, Version 1.0                  *
78462SApril.Chin@Sun.COM *                    by AT&T Intellectual Property                     *
84887Schin *                                                                      *
94887Schin *                A copy of the License is available at                 *
104887Schin *            http://www.opensource.org/licenses/cpl1.0.txt             *
114887Schin *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
124887Schin *                                                                      *
134887Schin *              Information and Software Systems Research               *
144887Schin *                            AT&T Research                             *
154887Schin *                           Florham Park NJ                            *
164887Schin *                                                                      *
174887Schin *                 Glenn Fowler <gsf@research.att.com>                  *
184887Schin *                  David Korn <dgk@research.att.com>                   *
194887Schin *                   Phong Vo <kpv@research.att.com>                    *
204887Schin *                                                                      *
214887Schin ***********************************************************************/
224887Schin #pragma prototyped
234887Schin /*
244887Schin  * Glenn Fowler
254887Schin  * AT&T Research
264887Schin  *
274887Schin  * Time_t conversion support
284887Schin  */
294887Schin 
304887Schin #include <tmx.h>
314887Schin 
324887Schin /*
334887Schin  * return t with leap seconds adjusted
344887Schin  * for direct localtime() access
354887Schin  */
364887Schin 
374887Schin Time_t
tmxleap(Time_t t)384887Schin tmxleap(Time_t t)
394887Schin {
404887Schin 	register Tm_leap_t*	lp;
414887Schin 	uint32_t		sec;
424887Schin 
434887Schin 	tmset(tm_info.zone);
444887Schin 	if (tm_info.flags & TM_ADJUST)
454887Schin 	{
464887Schin 		sec = tmxsec(t);
474887Schin 		for (lp = &tm_data.leap[0]; sec < (lp->time - lp->total); lp++);
484887Schin 		t = tmxsns(sec + lp->total, tmxnsec(t));
494887Schin 	}
504887Schin 	return t;
514887Schin }
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