NetBSD/usr.bin/w/pr_time.c

120 lines
3.4 KiB
C

/* $NetBSD: pr_time.c,v 1.17 2009/04/14 07:41:36 lukem 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/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)pr_time.c 8.2 (Berkeley) 4/4/94";
#else
__RCSID("$NetBSD: pr_time.c,v 1.17 2009/04/14 07:41:36 lukem Exp $");
#endif
#endif /* not lint */
#include <sys/types.h>
#include <sys/time.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <tzfile.h>
#include "extern.h"
/*
* pr_attime --
* Print the time since the user logged in.
*
* Note: SCCS forces the bizarre string manipulation, things like
* %I% get replaced in the source code.
*/
void
pr_attime(time_t *started, time_t *now)
{
static char buf[256];
int tnow_yday;
struct tm *tp;
time_t diff;
const char *fmt;
tnow_yday = 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 != tnow_yday)
fmt = "%a%" "I%p";
/* Default is hh:mm{am,pm}. */
else
fmt = "%l:%" "M%p";
(void)strftime(buf, sizeof(buf), fmt, tp);
buf[sizeof(buf) - 1] = '\0';
(void)fputs(buf, stdout);
}
/*
* pr_idle --
* Display the idle time.
*/
void
pr_idle(time_t idle)
{
int days;
if (idle == (time_t)-1) {
(void)printf(" ? ");
return;
}
days = idle / SECSPERDAY;
/* If idle more than 36 hours, print as a number of days. */
if (idle >= 48 * SECSPERHOUR)
printf(" %ddays ", days);
else if (idle >= 36 * SECSPERHOUR)
printf(" 1day ");
/* If idle more than an hour, print as HH:MM. */
else if (idle >= SECSPERHOUR)
(void)printf(" %2d:%02d ",
(int)(idle / SECSPERHOUR),
(int)((idle % SECSPERHOUR) / SECSPERMIN));
/* Else print the minutes idle. */
else
(void)printf(" %2d ", (int)(idle / SECSPERMIN));
}