xref: /openbsd-src/lib/libcurses/base/lib_beep.c (revision 92dd1ec0a89df25171bc5d61a3d95ea1a68cef0b)
1 /*	$OpenBSD: lib_beep.c,v 1.1 1999/01/18 19:09:35 millert Exp $	*/
2 
3 /****************************************************************************
4  * Copyright (c) 1998 Free Software Foundation, Inc.                        *
5  *                                                                          *
6  * Permission is hereby granted, free of charge, to any person obtaining a  *
7  * copy of this software and associated documentation files (the            *
8  * "Software"), to deal in the Software without restriction, including      *
9  * without limitation the rights to use, copy, modify, merge, publish,      *
10  * distribute, distribute with modifications, sublicense, and/or sell       *
11  * copies of the Software, and to permit persons to whom the Software is    *
12  * furnished to do so, subject to the following conditions:                 *
13  *                                                                          *
14  * The above copyright notice and this permission notice shall be included  *
15  * in all copies or substantial portions of the Software.                   *
16  *                                                                          *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
20  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
21  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
22  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
23  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
24  *                                                                          *
25  * Except as contained in this notice, the name(s) of the above copyright   *
26  * holders shall not be used in advertising or otherwise to promote the     *
27  * sale, use or other dealings in this Software without prior written       *
28  * authorization.                                                           *
29  ****************************************************************************/
30 
31 /****************************************************************************
32  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
33  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
34  ****************************************************************************/
35 
36 
37 /*
38  *	beep.c
39  *
40  *	The routine beep().
41  *
42  */
43 
44 #include <curses.priv.h>
45 #include <term.h>	/* beep, flash */
46 
47 MODULE_ID("$From: lib_beep.c,v 1.6 1998/06/29 19:34:16 Alexander.V.Lukyanov Exp $")
48 
49 /*
50  *	beep()
51  *
52  *	Sound the current terminal's audible bell if it has one.   If not,
53  *	flash the screen if possible.
54  *
55  */
56 
57 int beep(void)
58 {
59 	int res = ERR;
60 
61 	T((T_CALLED("beep()")));
62 
63 	/* FIXME: should make sure that we are not in altchar mode */
64 	if (bell) {
65 		TPUTS_TRACE("bell");
66 		res = putp(bell);
67 		fflush(SP->_ofp);
68 	} else if (flash_screen) {
69 		TPUTS_TRACE("flash_screen");
70 		res = putp(flash_screen);
71 		fflush(SP->_ofp);
72 	}
73 
74 	returnCode(res);
75 }
76