contrib/ncurses-5.4/ncurses/base/lib_beep.c

   1 /****************************************************************************
   2  * Copyright (c) 1998,2000 Free Software Foundation, Inc.                   *
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  28
  29 /****************************************************************************
  30  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  31  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
  32  ****************************************************************************/
  33
  34 /*
  35  *      beep.c
  36  *
  37  *      The routine beep().
  38  *
  39  */
  40
  41 #include <curses.priv.h>
  42 #include <term.h>               /* beep, flash */
  43
  44 MODULE_ID("$Id: lib_beep.c,v 1.9 2000/12/10 02:43:26 tom Exp $")
  45
  46 /*
  47  *      beep()
  48  *
  49  *      Sound the current terminal's audible bell if it has one.   If not,
  50  *      flash the screen if possible.
  51  *
  52  */
  53
  54 NCURSES_EXPORT(int)
  55 beep(void)
  56 {
  57     int res = ERR;
  58
  59     T((T_CALLED("beep()")));
  60
  61     /* FIXME: should make sure that we are not in altchar mode */
  62     if (bell) {
  63         TPUTS_TRACE("bell");
  64         res = putp(bell);
  65         _nc_flush();
  66     } else if (flash_screen) {
  67         TPUTS_TRACE("flash_screen");
  68         res = putp(flash_screen);
  69         _nc_flush();
  70     }
  71
  72     returnCode(res);
  73 }