lib/libcurses/bell.c

   1 /*      $NetBSD: bell.c,v 1.8 2010/02/03 15:34:40 roy 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 1.8 2010/02/03 15:34:40 roy 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 #ifdef DEBUG
  49                 __CTRACE(__CTRACE_MISC, "beep: bl\n");
  50 #endif
  51                 tputs(bell, 0, __cputchar);
  52         } else if (flash_screen != NULL) {
  53 #ifdef DEBUG
  54                 __CTRACE(__CTRACE_MISC, "beep: vb\n");
  55 #endif
  56                 tputs(flash_screen, 0, __cputchar);
  57         }
  58         return (1);
  59 }
  60
  61 /*
  62  * flash
  63  *      Flash the terminal screen
  64  */
  65 int
  66 flash(void)
  67 {
  68         if (flash_screen != NULL) {
  69 #ifdef DEBUG
  70                 __CTRACE(__CTRACE_MISC, "flash: vb\n");
  71 #endif
  72                 tputs(flash_screen, 0, __cputchar);
  73         } else if (bell != NULL) {
  74 #ifdef DEBUG
  75                 __CTRACE(__CTRACE_MISC, "flash: bl\n");
  76 #endif
  77                 tputs(bell, 0, __cputchar);
  78         }
  79         return (1);
  80 }