2 * Copyright (c) 1980, 1988, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
33 * @(#) Copyright (c) 1980, 1988, 1993 The Regents of the University of California. All rights reserved.
34 * @(#)leave.c 8.1 (Berkeley) 6/6/93
35 * $FreeBSD: src/usr.bin/leave/leave.c,v 1.5.2.2 2001/07/30 09:43:30 dd Exp $
36 * $DragonFly: src/usr.bin/leave/leave.c,v 1.7 2006/08/14 07:37:38 swildner Exp $
49 static void usage(void);
54 * Reminds you when you have to leave.
55 * Leave prompts for input and goes away if you hit return.
56 * It nags you like a mother hen.
59 main(int argc, char **argv)
66 int plusnow, t_12_hour;
69 if (setlocale(LC_TIME, "") == NULL)
73 #define MSG1 "When do you have to leave? "
74 (void)write(1, MSG1, sizeof(MSG1) - 1);
75 cp = fgets(buf, sizeof(buf), stdin);
76 if (cp == NULL || *cp == '\n')
89 for (hours = 0; (c = *cp) && c != '\n'; ++cp) {
92 hours = hours * 10 + (c - '0');
94 minutes = hours % 100;
97 if (minutes < 0 || minutes > 59)
100 secs = hours * 60 * 60 + minutes * 60;
108 /* Convert tol to 12 hr time (0:00...11:59) */
112 /* Convert tm to 12 hr time (0:00...11:59) */
114 t_12_hour = t->tm_hour - 12;
116 t_12_hour = t->tm_hour;
118 if (hours < t_12_hour ||
119 (hours == t_12_hour && minutes <= t->tm_min))
120 /* Leave time is in the past so we add 12 hrs */
123 secs = (hours - t_12_hour) * 60 * 60;
124 secs += (minutes - t->tm_min) * 60;
125 secs -= now % 60; /* truncate (now + secs) to min */
139 if ((pid = fork())) {
140 (void)time(&daytime);
142 strftime(tb, sizeof(tb), nl_langinfo(D_T_FMT),
143 localtime(&daytime));
144 printf("Alarm set for %s. (pid %d)\n", tb, pid);
147 sleep((u_int)2); /* let parent print set message */
152 * if write fails, we've lost the terminal through someone else
153 * causing a vhangup by logging in.
155 #define FIVEMIN (5 * 60)
156 #define MSG2 "\07\07You have to leave in 5 minutes.\n"
157 if (secs >= FIVEMIN) {
158 sleep(secs - FIVEMIN);
159 if (write(1, MSG2, sizeof(MSG2) - 1) != sizeof(MSG2) - 1)
165 #define MSG3 "\07\07Just one more minute!\n"
166 if (secs >= ONEMIN) {
167 sleep(secs - ONEMIN);
168 if (write(1, MSG3, sizeof(MSG3) - 1) != sizeof(MSG3) - 1)
172 #define MSG4 "\07\07Time to leave!\n"
173 for (bother = 10; bother--;) {
174 sleep((u_int)ONEMIN);
175 if (write(1, MSG4, sizeof(MSG4) - 1) != sizeof(MSG4) - 1)
179 #define MSG5 "\07\07That was the last time I'll tell you. Bye.\n"
180 (void)write(1, MSG5, sizeof(MSG5) - 1);
187 fprintf(stderr, "usage: leave [[+]hhmm]\n");