pr_time.c revision 181922
1/*- 2 * Copyright (c) 1990, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#include <sys/cdefs.h> 35 36__FBSDID("$FreeBSD: head/usr.bin/w/pr_time.c 181922 2008-08-20 12:32:19Z ache $"); 37 38#ifndef lint 39static const char sccsid[] = "@(#)pr_time.c 8.2 (Berkeley) 4/4/94"; 40#endif 41 42#include <sys/types.h> 43#include <sys/time.h> 44 45#include <stdio.h> 46#include <string.h> 47#include <wchar.h> 48 49#include "extern.h" 50 51/* 52 * pr_attime -- 53 * Print the time since the user logged in. 54 */ 55void 56pr_attime(time_t *started, time_t *now) 57{ 58 static char buf[256]; 59 struct tm tp, tm; 60 time_t diff; 61 char fmt[20]; 62 63 tp = *localtime(started); 64 tm = *localtime(now); 65 diff = *now - *started; 66 67 /* If more than a week, use day-month-year. */ 68 if (diff > 86400 * 7) 69 (void)strcpy(fmt, "%d%b%y"); 70 71 /* If not today, use day-hour-am/pm. */ 72 else if (tm.tm_mday != tp.tm_mday || 73 tm.tm_mon != tp.tm_mon || 74 tm.tm_year != tp.tm_year) { 75 /* The line below does not take DST into consideration */ 76 /* else if (*now / 86400 != *started / 86400) { */ 77 (void)strcpy(fmt, use_ampm ? "%a%I%p" : "%a%H"); 78 } 79 80 /* Default is hh:mm{am,pm}. */ 81 else { 82 (void)strcpy(fmt, use_ampm ? "%l:%M%p" : "%k:%M"); 83 } 84 85 (void)strftime(buf, sizeof(buf), fmt, &tp); 86 (void)wprintf(L"%-7.7s", buf); 87} 88 89/* 90 * pr_idle -- 91 * Display the idle time. 92 * Returns number of excess characters that were used for long idle time. 93 */ 94int 95pr_idle(time_t idle) 96{ 97 /* If idle more than 36 hours, print as a number of days. */ 98 if (idle >= 36 * 3600) { 99 int days = idle / 86400; 100 (void)printf(" %dday%s ", days, days > 1 ? "s" : " " ); 101 if (days >= 100) 102 return (2); 103 if (days >= 10) 104 return (1); 105 } 106 107 /* If idle more than an hour, print as HH:MM. */ 108 else if (idle >= 3600) 109 (void)printf(" %2d:%02d ", 110 (int)(idle / 3600), (int)((idle % 3600) / 60)); 111 112 else if (idle / 60 == 0) 113 (void)printf(" - "); 114 115 /* Else print the minutes idle. */ 116 else 117 (void)printf(" %2d ", (int)(idle / 60)); 118 119 return (0); /* not idle longer than 9 days */ 120} 121