xref: /openbsd-src/usr.bin/w/pr_time.c (revision b2ea75c1b17e1a9a339660e7ed45cd24946b230e)
1 /*	$OpenBSD: pr_time.c,v 1.9 1998/01/16 17:50:42 millert 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. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the University of
18  *	California, Berkeley and its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #ifndef lint
37 #if 0
38 static char sccsid[] = "@(#)pr_time.c	8.2 (Berkeley) 4/4/94";
39 #else
40 static char *rcsid = "$OpenBSD: pr_time.c,v 1.9 1998/01/16 17:50:42 millert Exp $";
41 #endif
42 #endif /* not lint */
43 
44 #include <sys/types.h>
45 #include <sys/time.h>
46 
47 #include <stdio.h>
48 #include <string.h>
49 #include <tzfile.h>
50 
51 #include "extern.h"
52 
53 /*
54  * pr_attime --
55  *	Print the time since the user logged in.
56  *
57  *	Note: SCCS forces the bizarre string manipulation, things like
58  *	8.2 get replaced in the source code.
59  */
60 void
61 pr_attime(started, now)
62 	time_t *started, *now;
63 {
64 	static char buf[256];
65 	struct tm *tp;
66 	time_t diff;
67 	char fmt[20];
68 	int  today;
69 
70 	today = localtime(now)->tm_yday;
71 	tp = localtime(started);
72 	diff = *now - *started;
73 
74 	/* If more than a week, use day-month-year. */
75 	if (diff > SECSPERDAY * DAYSPERWEEK)
76 		(void)strcpy(fmt, "%d%b%y");
77 
78 	/* If not today, use day-hour-am/pm. */
79 	else if (tp->tm_yday  != today ) {
80 		(void)strcpy(fmt, __CONCAT("%a%", "I%p"));
81 	}
82 
83 	/* Default is hh:mm{am,pm}. */
84 	else {
85 		(void)strcpy(fmt, __CONCAT("%l:%", "M%p"));
86 	}
87 
88 	(void)strftime(buf, sizeof(buf) -1, fmt, tp);
89 	buf[sizeof buf - 1] = '\0';
90 	(void)printf("%s", buf);
91 }
92 
93 /*
94  * pr_idle --
95  *	Display the idle time.
96  */
97 void
98 pr_idle(idle)
99 	time_t idle;
100 {
101 	int days = idle / SECSPERDAY;
102 
103 	/* If idle more than 36 hours, print as a number of days. */
104 	if (idle >= 36 * SECSPERHOUR) {
105 		if (days == 1)
106 			printf("  %dday ", days);
107 		else if (days < 10)
108 			printf(" %ddays ", days);
109 		else
110 			printf("%ddays ", days);
111 	}
112 
113 	/* If idle more than an hour, print as HH:MM. */
114 	else if (idle >= SECSPERHOUR)
115 		(void)printf(" %2d:%02d ",
116 		    idle / SECSPERHOUR, (idle % SECSPERHOUR) / SECSPERMIN);
117 
118 	/* Else print the minutes idle. */
119 	else
120 		(void)printf("    %2d ", idle / SECSPERMIN);
121 }
122