xref: /freebsd/usr.bin/w/pr_time.c (revision 8109e672e42d323d032c8063822997acdc159a24)
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 #ifndef lint
35 #if 0
36 static char sccsid[] = "@(#)pr_time.c	8.2 (Berkeley) 4/4/94";
37 #endif
38 static const char rcsid[] =
39 	"$Id: pr_time.c,v 1.10 1997/08/26 06:59:34 charnier Exp $";
40 #endif /* not lint */
41 
42 #include <sys/types.h>
43 #include <sys/time.h>
44 
45 #include <stdio.h>
46 #include <string.h>
47 
48 #include "extern.h"
49 
50 /*
51  * pr_attime --
52  *	Print the time since the user logged in.
53  *
54  *	Note: SCCS forces the bizarre string manipulation, things like
55  *	8.2 get replaced in the source code.
56  */
57 void
58 pr_attime(started, now)
59 	time_t *started, *now;
60 {
61 	static char buf[256];
62 	struct tm *tp;
63 	time_t diff;
64 	char fmt[20];
65 
66 	tp = localtime(started);
67 	diff = *now - *started;
68 
69 	/* If more than a week, use day-month-year. */
70 	if (diff > 86400 * 7)
71 		(void)strcpy(fmt, "%d%b%y");
72 
73 	/* If not today, use day-hour-am/pm. */
74 	else if (*now / 86400 != *started / 86400) {
75 		(void)strcpy(fmt, __CONCAT("%a%", "I%p"));
76 	}
77 
78 	/* Default is hh:mm{am,pm}. */
79 	else {
80 		(void)strcpy(fmt, __CONCAT("%l:%", "M%p"));
81 	}
82 
83 	(void)strftime(buf, sizeof(buf) - 1, fmt, tp);
84 	buf[sizeof(buf) - 1] = '\0';
85 	(void)printf("%s", buf);
86 }
87 
88 /*
89  * pr_idle --
90  *	Display the idle time.
91  */
92 int
93 pr_idle(idle)
94 	time_t idle;
95 {
96 	/* If idle more than 36 hours, print as a number of days. */
97 	if (idle >= 36 * 3600) {
98 		int days = idle / 86400;
99 		(void)printf(" %dday%s ", days, days > 1 ? "s" : " " );
100 		if (days >= 10)
101 			return(1);
102 	}
103 
104 	/* If idle more than an hour, print as HH:MM. */
105 	else if (idle >= 3600)
106 		(void)printf(" %2d:%02d ",
107 		    (int)(idle / 3600), (int)((idle % 3600) / 60));
108 
109 	else if (idle / 60 == 0)
110 		(void)printf("     - ");
111 
112 	/* Else print the minutes idle. */
113 	else
114 		(void)printf("    %2d ", (int)(idle / 60));
115 
116 	return(0); /* not idle longer than 9 days */
117 }
118