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rcsid[] and sccsid[] and copyright[] are essentially unmaintained (and
unmaintainable).  these days, people use source.  these id's do not provide
any benefit, and do hurt the small install media
(the 33,000 line diff is essentially mechanical)
ok with the idea millert, ok dms

/*	$OpenBSD: pr_time.c,v 1.14 2009/10/27 23:59:49 deraadt Exp $	*/

/*-
 * Copyright (c) 1990, 1993, 1994
 *	The Regents of the University of California.  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.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
 */

#include <sys/types.h>
#include <sys/time.h>

#include <stdio.h>
#include <string.h>
#include <tzfile.h>

#include "extern.h"

/*
 * pr_attime --
 *	Print the time since the user logged in.
 */
void
pr_attime(time_t *started, time_t *now)
{
	static char buf[256];
	struct tm *tp;
	time_t diff;
	const char *fmt;
	int  today;

	today = localtime(now)->tm_yday;
	tp = localtime(started);
	diff = *now - *started;

	/* If more than a week, use day-month-year. */
	if (diff > SECSPERDAY * DAYSPERWEEK)
		fmt = "%d%b%y";

	/* If not today, use day-hour-am/pm. */
	else if (tp->tm_yday  != today ) {
		fmt = "%a%I%p";
	}

	/* Default is hh:mm{am,pm}. */
	else {
		fmt = "%l:%M%p";
	}

	(void)strftime(buf, sizeof buf -1, fmt, tp);
	buf[sizeof buf - 1] = '\0';
	(void)printf("%s", buf);
}

/*
 * pr_idle --
 *	Display the idle time.
 */
void
pr_idle(time_t idle)
{
	int days = idle / SECSPERDAY;

	/* If idle more than 36 hours, print as a number of days. */
	if (idle >= 36 * SECSPERHOUR) {
		if (days == 1)
			printf("  %dday ", days);
		else if (days < 10)
			printf(" %ddays ", days);
		else
			printf("%ddays ", days);
	}

	/* If idle more than an hour, print as HH:MM. */
	else if (idle >= SECSPERHOUR)
		(void)printf(" %2d:%02d ",
		    idle / SECSPERHOUR, (idle % SECSPERHOUR) / SECSPERMIN);

	/* Else print the minutes idle. */
	else
		(void)printf("    %2d ", idle / SECSPERMIN);
}