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      1 /*	$NetBSD: pause.c,v 1.11 2021/09/06 07:03:50 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: pause.c,v 1.11 2021/09/06 07:03:50 rin Exp $");
     35 #endif				/* not lint */
     36 
     37 #include <stdarg.h>
     38 #include <stdlib.h>
     39 #include <sys/time.h>
     40 
     41 #include "curses.h"
     42 #include "curses_private.h"
     43 
     44 /*
     45  * napms --
     46  *	Sleep for ms milliseconds.
     47  */
     48 int
     49 napms(int ms)
     50 {
     51 	struct timespec	ts;
     52 
     53 	__CTRACE(__CTRACE_MISC, "napms: %d\n", ms);
     54 	ts.tv_sec = ms / 1000;
     55 	ts.tv_nsec = (ms % 1000) * 1000000;
     56 	(void)nanosleep(&ts, NULL);
     57 	return OK;
     58 }
     59 
     60 /*
     61  * delay_output --
     62  *	Pause output using terminal pad character.
     63  */
     64 int
     65 delay_output(int ms)
     66 {
     67 	char *delstr;
     68 
     69 	__CTRACE(__CTRACE_MISC, "delay_output: %d\n", ms);
     70 	if (!_cursesi_screen->padchar)
     71 		return napms(ms);
     72 
     73 	if (asprintf(&delstr, "%d", ms) == -1)
     74 		return ERR;
     75 	tputs(delstr, 0, __cputchar);
     76 	free(delstr);
     77 	return OK;
     78 }
     79