xref: /netbsd-src/lib/libcurses/pause.c (revision 481fca6e59249d8ffcf24fef7cfbe7b131bfb080)
1 /*	$NetBSD: pause.c,v 1.1 2000/05/11 22:49:13 jdc 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  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *        This product includes software developed by the NetBSD
21  *        Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #include <sys/cdefs.h>
40 #ifndef lint
41 __RCSID("$NetBSD: pause.c,v 1.1 2000/05/11 22:49:13 jdc Exp $");
42 #endif				/* not lint */
43 
44 #include <stdarg.h>
45 #include <sys/time.h>
46 
47 #include "curses.h"
48 #include "curses_private.h"
49 
50 /*
51  * napms --
52  *	Sleep for ms milliseconds.
53  */
54 int
55 napms(int ms)
56 {
57 	struct timespec	ts;
58 
59 #ifdef DEBUG
60 	__CTRACE ("napms: %d\n", ms);
61 #endif
62 	ts.tv_sec = ms / 1000;
63 	ts.tv_nsec = (ms % 1000) * 1000000;
64 	(void) nanosleep(&ts, NULL);
65 	return(OK);
66 }
67 
68 /*
69  * delay_output --
70  *	Pause output using terminal pad character.
71  */
72 int
73 delay_output(int ms)
74 {
75 	char *delstr;
76 
77 #ifdef DEBUG
78 	__CTRACE ("delay_output: %d\n", ms);
79 #endif
80 	if (!PC)
81 		return(napms(ms));
82 
83 	if (asprintf(&delstr, "%d", ms) == -1)
84 		return (ERR);
85 	tputs (delstr, 0, __cputchar);
86 	return (OK);
87 }
88