Blame src/lib/libast/tm/tmxleap.c

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/***********************************************************************
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*                                                                      *
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*               This software is part of the ast package               *
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*          Copyright (c) 1985-2011 AT&T Intellectual Property          *
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*                      and is licensed under the                       *
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*                 Eclipse Public License, Version 1.0                  *
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*                    by AT&T Intellectual Property                     *
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*                                                                      *
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*                A copy of the License is available at                 *
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*          http://www.eclipse.org/org/documents/epl-v10.html           *
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*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
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*                                                                      *
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*              Information and Software Systems Research               *
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*                            AT&T Research                             *
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*                           Florham Park NJ                            *
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*                                                                      *
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*                 Glenn Fowler <gsf@research.att.com>                  *
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*                  David Korn <dgk@research.att.com>                   *
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*                   Phong Vo <kpv@research.att.com>                    *
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*                                                                      *
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***********************************************************************/
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#pragma prototyped
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/*
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 * Glenn Fowler
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 * AT&T Research
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 *
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 * Time_t conversion support
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 */
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#include <tmx.h>
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/*
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 * return t with leap seconds adjusted
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 * for direct localtime() access
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 */
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Time_t
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tmxleap(Time_t t)
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{
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	register Tm_leap_t*	lp;
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	uint32_t		sec;
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	tmset(tm_info.zone);
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	if (tm_info.flags & TM_ADJUST)
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	{
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		sec = tmxsec(t);
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		for (lp = &tm_data.leap[0]; sec < (lp->time - lp->total); lp++);
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		t = tmxsns(sec + lp->total, tmxnsec(t));
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	}
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	return t;
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}