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. 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.
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
29 * @(#) Copyright (c) 1980, 1988, 1993 The Regents of the University of California. All rights reserved.
30 * @(#)leave.c 8.1 (Berkeley) 6/6/93
31 * $FreeBSD: src/usr.bin/leave/leave.c,v 1.5.2.2 2001/07/30 09:43:30 dd Exp $
32 * $DragonFly: src/usr.bin/leave/leave.c,v 1.7 2006/08/14 07:37:38 swildner Exp $
45 static void usage(void);
50 * Reminds you when you have to leave.
51 * Leave prompts for input and goes away if you hit return.
52 * It nags you like a mother hen.
55 main(int argc, char **argv)
62 int plusnow, t_12_hour;
65 if (setlocale(LC_TIME, "") == NULL)
69 #define MSG1 "When do you have to leave? "
70 (void)write(1, MSG1, sizeof(MSG1) - 1);
71 cp = fgets(buf, sizeof(buf), stdin);
72 if (cp == NULL || *cp == '\n')
85 for (hours = 0; (c = *cp) && c != '\n'; ++cp) {
88 hours = hours * 10 + (c - '0');
90 minutes = hours % 100;
93 if (minutes < 0 || minutes > 59)
96 secs = hours * 60 * 60 + minutes * 60;
104 /* Convert tol to 12 hr time (0:00...11:59) */
108 /* Convert tm to 12 hr time (0:00...11:59) */
110 t_12_hour = t->tm_hour - 12;
112 t_12_hour = t->tm_hour;
114 if (hours < t_12_hour ||
115 (hours == t_12_hour && minutes <= t->tm_min))
116 /* Leave time is in the past so we add 12 hrs */
119 secs = (hours - t_12_hour) * 60 * 60;
120 secs += (minutes - t->tm_min) * 60;
121 secs -= now % 60; /* truncate (now + secs) to min */
135 if ((pid = fork())) {
136 (void)time(&daytime);
138 strftime(tb, sizeof(tb), nl_langinfo(D_T_FMT),
139 localtime(&daytime));
140 printf("Alarm set for %s. (pid %d)\n", tb, pid);
143 sleep((u_int)2); /* let parent print set message */
148 * if write fails, we've lost the terminal through someone else
149 * causing a vhangup by logging in.
151 #define FIVEMIN (5 * 60)
152 #define MSG2 "\07\07You have to leave in 5 minutes.\n"
153 if (secs >= FIVEMIN) {
154 sleep(secs - FIVEMIN);
155 if (write(1, MSG2, sizeof(MSG2) - 1) != sizeof(MSG2) - 1)
161 #define MSG3 "\07\07Just one more minute!\n"
162 if (secs >= ONEMIN) {
163 sleep(secs - ONEMIN);
164 if (write(1, MSG3, sizeof(MSG3) - 1) != sizeof(MSG3) - 1)
168 #define MSG4 "\07\07Time to leave!\n"
169 for (bother = 10; bother--;) {
170 sleep((u_int)ONEMIN);
171 if (write(1, MSG4, sizeof(MSG4) - 1) != sizeof(MSG4) - 1)
175 #define MSG5 "\07\07That was the last time I'll tell you. Bye.\n"
176 (void)write(1, MSG5, sizeof(MSG5) - 1);
183 fprintf(stderr, "usage: leave [[+]hhmm]\n");