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      1  1.8  blymn /*      $NetBSD: nodelay.c,v 1.8 2024/12/23 02:58:04 blymn Exp $  */
      2  1.1    mrg 
      3  1.1    mrg /*-
      4  1.1    mrg  * Copyright (c) 1998-1999 Brett Lymn (blymn (at) baea.com.au, brett_lymn (at) yahoo.com)
      5  1.1    mrg  * All rights reserved.
      6  1.1    mrg  *
      7  1.1    mrg  * Redistribution and use in source and binary forms, with or without
      8  1.1    mrg  * modification, are permitted provided that the following conditions
      9  1.1    mrg  * are met:
     10  1.1    mrg  * 1. Redistributions of source code must retain the above copyright
     11  1.1    mrg  *    notice, this list of conditions and the following disclaimer.
     12  1.1    mrg  * 2. The name of the author may not be used to endorse or promote products
     13  1.5    wiz  *    derived from this software without specific prior written permission
     14  1.1    mrg  *
     15  1.1    mrg  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     16  1.1    mrg  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     17  1.1    mrg  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     18  1.1    mrg  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     19  1.1    mrg  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     20  1.1    mrg  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     21  1.1    mrg  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     22  1.1    mrg  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23  1.1    mrg  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     24  1.1    mrg  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25  1.1    mrg  *
     26  1.1    mrg  *
     27  1.1    mrg  */
     28  1.4  blymn 
     29  1.4  blymn #include <sys/cdefs.h>
     30  1.4  blymn #ifndef lint
     31  1.8  blymn __RCSID("$NetBSD: nodelay.c,v 1.8 2024/12/23 02:58:04 blymn Exp $");
     32  1.4  blymn #endif				/* not lint */
     33  1.1    mrg 
     34  1.1    mrg #include "curses.h"
     35  1.2  blymn #include "curses_private.h"
     36  1.1    mrg 
     37  1.1    mrg /*
     38  1.1    mrg  * nodelay --
     39  1.1    mrg  *	Turn on and off blocking reads in getch for a
     40  1.1    mrg  *	given window.
     41  1.1    mrg  */
     42  1.6    jdc int
     43  1.3  blymn nodelay(WINDOW *win, bool bf)
     44  1.1    mrg {
     45  1.7    roy 
     46  1.8  blymn 	if (__predict_false(win == NULL))
     47  1.8  blymn 		return ERR;
     48  1.8  blymn 
     49  1.1    mrg 	if (bf)
     50  1.1    mrg 		win->delay = 0;
     51  1.1    mrg 	else
     52  1.1    mrg 		win->delay = -1;
     53  1.7    roy 	return OK;
     54  1.1    mrg }
     55