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 */
48int
49napms(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 */
64int
65delay_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