talk(1): Raise WARNS to 6 and fix warnings.
[dragonfly.git] / usr.bin / talk / msgs.c
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1/*
2 * Copyright (c) 1983, 1993
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.
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32 *
33 * @(#)msgs.c 8.1 (Berkeley) 6/6/93
34 * $FreeBSD: src/usr.bin/talk/msgs.c,v 1.5 1999/08/28 01:06:14 peter Exp $
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35 */
36
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37/*
38 * A package to display what is happening every MSG_INTERVAL seconds
39 * if we are slow connecting.
40 */
41
42#include <signal.h>
43#include "talk.h"
44
45#define MSG_INTERVAL 4
46
e2daa382 47const char *current_state;
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48int current_line = 0;
49
50/* ARGSUSED */
51void
e2daa382 52disp_msg(int signo __unused)
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53{
54 message(current_state);
55}
56
57void
1d1731fa 58start_msgs(void)
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59{
60 struct itimerval itimer;
61
62 message(current_state);
63 signal(SIGALRM, disp_msg);
64 itimer.it_value.tv_sec = itimer.it_interval.tv_sec = MSG_INTERVAL;
65 itimer.it_value.tv_usec = itimer.it_interval.tv_usec = 0;
60233e58 66 setitimer(ITIMER_REAL, &itimer, NULL);
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67}
68
69void
1d1731fa 70end_msgs(void)
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71{
72 struct itimerval itimer;
73
74 timerclear(&itimer.it_value);
75 timerclear(&itimer.it_interval);
60233e58 76 setitimer(ITIMER_REAL, &itimer, NULL);
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77 signal(SIGALRM, SIG_DFL);
78}