xref: /netbsd-src/lib/libcurses/bell.c (revision 5e4c038a45edbc7d63b7c2daa76e29f88b64a4e3)
1 /*	$NetBSD: bell.c,v 1.5 2000/12/19 21:34:24 jdc Exp $	*/
2 
3 /*-
4  * Copyright (c) 1999 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Julian Coleman.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *        This product includes software developed by the NetBSD
21  *        Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #include <sys/cdefs.h>
40 #ifndef lint
41 __RCSID("$NetBSD: bell.c,v 1.5 2000/12/19 21:34:24 jdc Exp $");
42 #endif				/* not lint */
43 
44 #include "curses.h"
45 #include "curses_private.h"
46 
47 /*
48  * beep
49  *	Ring the terminal bell
50  */
51 int
52 beep(void)
53 {
54 	if (__tc_bl != NULL) {
55 #ifdef DEBUG
56 		__CTRACE("beep: bl\n");
57 #endif
58 		tputs(__tc_bl, 0, __cputchar);
59 	} else if (__tc_vb != NULL) {
60 #ifdef DEBUG
61 		__CTRACE("beep: vb\n");
62 #endif
63 		tputs(__tc_vb, 0, __cputchar);
64 	}
65 	return (1);
66 }
67 
68 /*
69  * flash
70  *	Flash the terminal screen
71  */
72 int
73 flash(void)
74 {
75 	if (__tc_vb != NULL) {
76 #ifdef DEBUG
77 		__CTRACE("flash: vb\n");
78 #endif
79 		tputs(__tc_vb, 0, __cputchar);
80 	} else if (__tc_bl != NULL) {
81 #ifdef DEBUG
82 		__CTRACE("flash: bl\n");
83 #endif
84 		tputs(__tc_bl, 0, __cputchar);
85 	}
86 	return (1);
87 }
88