1 /* $NetBSD: pr_time.c,v 1.19 2021/04/17 06:14:15 maya Exp $ */
2
3 /*-
4 * Copyright (c) 1990, 1993, 1994
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 #ifndef lint
34 #if 0
35 static char sccsid[] = "@(#)pr_time.c 8.2 (Berkeley) 4/4/94";
36 #else
37 __RCSID("$NetBSD: pr_time.c,v 1.19 2021/04/17 06:14:15 maya Exp $");
38 #endif
39 #endif /* not lint */
40
41 #include <sys/types.h>
42 #include <sys/time.h>
43
44 #include <stdio.h>
45 #include <string.h>
46 #include <time.h>
47 #include <tzfile.h>
48
49 #include "extern.h"
50
51 /*
52 * pr_attime --
53 * Print the time since the user logged in.
54 */
55 void
pr_attime(time_t * started,time_t * now)56 pr_attime(time_t *started, time_t *now)
57 {
58 static char buf[256];
59 int tnow_yday;
60 struct tm *tp;
61 time_t diff;
62
63 tnow_yday = localtime(now)->tm_yday;
64 tp = localtime(started);
65 diff = *now - *started;
66
67 if (diff > SECSPERDAY * DAYSPERWEEK) {
68 /* If more than a week, use day-month-year. */
69 (void)strftime(buf, sizeof(buf), "%d%b%y", tp);
70 } else if (tp->tm_yday != tnow_yday) {
71 /* If not today, use day-hour-am/pm. */
72 (void)strftime(buf, sizeof(buf), "%a%I%p", tp);
73 } else {
74 /* Default is hh:mm{am,pm}. */
75 (void)strftime(buf, sizeof(buf), "%l:%M%p", tp);
76 }
77
78 buf[sizeof(buf) - 1] = '\0';
79 (void)fputs(buf, stdout);
80 }
81
82 /*
83 * pr_idle --
84 * Display the idle time.
85 */
86 void
pr_idle(time_t idle)87 pr_idle(time_t idle)
88 {
89 int days;
90
91 if (idle == (time_t)-1) {
92 (void)printf(" ? ");
93 return;
94 }
95
96 days = idle / SECSPERDAY;
97
98 /* If idle more than 36 hours, print as a number of days. */
99 if (idle >= 48 * SECSPERHOUR)
100 printf(" %ddays ", days);
101 else if (idle >= 36 * SECSPERHOUR)
102 printf(" 1day ");
103
104 /* If idle more than an hour, print as HH:MM. */
105 else if (idle >= SECSPERHOUR)
106 (void)printf(" %2d:%02d ",
107 (int)(idle / SECSPERHOUR),
108 (int)((idle % SECSPERHOUR) / SECSPERMIN));
109
110 /* Else print the minutes idle. */
111 else
112 (void)printf(" %2d ", (int)(idle / SECSPERMIN));
113 }
114