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      1 /*	$NetBSD: bell.c,v 1.10 2021/09/06 07:03:49 rin 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  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 #ifndef lint
     34 __RCSID("$NetBSD: bell.c,v 1.10 2021/09/06 07:03:49 rin Exp $");
     35 #endif				/* not lint */
     36 
     37 #include "curses.h"
     38 #include "curses_private.h"
     39 
     40 /*
     41  * beep
     42  *	Ring the terminal bell
     43  */
     44 int
     45 beep(void)
     46 {
     47 	if (bell != NULL) {
     48 		__CTRACE(__CTRACE_MISC, "beep: bl\n");
     49 		tputs(bell, 0, __cputchar);
     50 	} else if (flash_screen != NULL) {
     51 		__CTRACE(__CTRACE_MISC, "beep: vb\n");
     52 		tputs(flash_screen, 0, __cputchar);
     53 	}
     54 	return OK;
     55 }
     56 
     57 /*
     58  * flash
     59  *	Flash the terminal screen
     60  */
     61 int
     62 flash(void)
     63 {
     64 	if (flash_screen != NULL) {
     65 		__CTRACE(__CTRACE_MISC, "flash: vb\n");
     66 		tputs(flash_screen, 0, __cputchar);
     67 	} else if (bell != NULL) {
     68 		__CTRACE(__CTRACE_MISC, "flash: bl\n");
     69 		tputs(bell, 0, __cputchar);
     70 	}
     71 	return OK;
     72 }
     73