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 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30 #include <sys/cdefs.h>
31
32 __FBSDID("$FreeBSD: stable/9/usr.bin/w/pr_time.c 216370 2010-12-11 08:32:16Z joel $");
33
34 #ifndef lint
35 static const char sccsid[] = "@(#)pr_time.c 8.2 (Berkeley) 4/4/94";
36 #endif
37
38 #include <sys/types.h>
39 #include <sys/time.h>
40
41 #include <stdio.h>
42 #include <string.h>
43 #include <wchar.h>
44
45 #include "extern.h"
46
47 /*
48 * pr_attime --
49 * Print the time since the user logged in.
50 */
51 int
pr_attime(time_t * started,time_t * now)52 pr_attime(time_t *started, time_t *now)
53 {
54 static wchar_t buf[256];
55 struct tm tp, tm;
56 time_t diff;
57 const wchar_t *fmt;
58 int len, width, offset = 0;
59
60 tp = *localtime(started);
61 tm = *localtime(now);
62 diff = *now - *started;
63
64 /* If more than a week, use day-month-year. */
65 if (diff > 86400 * 7)
66 fmt = L"%d%b%y";
67
68 /* If not today, use day-hour-am/pm. */
69 else if (tm.tm_mday != tp.tm_mday ||
70 tm.tm_mon != tp.tm_mon ||
71 tm.tm_year != tp.tm_year) {
72 /* The line below does not take DST into consideration */
73 /* else if (*now / 86400 != *started / 86400) { */
74 fmt = use_ampm ? L"%a%I%p" : L"%a%H";
75 }
76
77 /* Default is hh:mm{am,pm}. */
78 else {
79 fmt = use_ampm ? L"%l:%M%p" : L"%k:%M";
80 }
81
82 (void)wcsftime(buf, sizeof(buf), fmt, &tp);
83 len = wcslen(buf);
84 width = wcswidth(buf, len);
85 if (len == width)
86 (void)wprintf(L"%-7.7ls", buf);
87 else if (width < 7)
88 (void)wprintf(L"%ls%.*s", buf, 7 - width, " ");
89 else {
90 (void)wprintf(L"%ls", buf);
91 offset = width - 7;
92 }
93 return (offset);
94 }
95
96 /*
97 * pr_idle --
98 * Display the idle time.
99 * Returns number of excess characters that were used for long idle time.
100 */
101 int
pr_idle(time_t idle)102 pr_idle(time_t idle)
103 {
104 /* If idle more than 36 hours, print as a number of days. */
105 if (idle >= 36 * 3600) {
106 int days = idle / 86400;
107 (void)printf(" %dday%s ", days, days > 1 ? "s" : " " );
108 if (days >= 100)
109 return (2);
110 if (days >= 10)
111 return (1);
112 }
113
114 /* If idle more than an hour, print as HH:MM. */
115 else if (idle >= 3600)
116 (void)printf(" %2d:%02d ",
117 (int)(idle / 3600), (int)((idle % 3600) / 60));
118
119 else if (idle / 60 == 0)
120 (void)printf(" - ");
121
122 /* Else print the minutes idle. */
123 else
124 (void)printf(" %2d ", (int)(idle / 60));
125
126 return (0); /* not idle longer than 9 days */
127 }
128