xref: /dflybsd-src/stand/lib/twiddle.c (revision 479ab7f0492f2a51b48e8537e4f1dc686fc6014b)
1*479ab7f0SSascha Wildner /*-
2*479ab7f0SSascha Wildner  * Copyright (c) 1986, 1988, 1991, 1993
3*479ab7f0SSascha Wildner  *	The Regents of the University of California.  All rights reserved.
4*479ab7f0SSascha Wildner  * (c) UNIX System Laboratories, Inc.
5*479ab7f0SSascha Wildner  * All or some portions of this file are derived from material licensed
6*479ab7f0SSascha Wildner  * to the University of California by American Telephone and Telegraph
7*479ab7f0SSascha Wildner  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
8*479ab7f0SSascha Wildner  * the permission of UNIX System Laboratories, Inc.
9*479ab7f0SSascha Wildner  *
10*479ab7f0SSascha Wildner  * Redistribution and use in source and binary forms, with or without
11*479ab7f0SSascha Wildner  * modification, are permitted provided that the following conditions
12*479ab7f0SSascha Wildner  * are met:
13*479ab7f0SSascha Wildner  * 1. Redistributions of source code must retain the above copyright
14*479ab7f0SSascha Wildner  *    notice, this list of conditions and the following disclaimer.
15*479ab7f0SSascha Wildner  * 2. Redistributions in binary form must reproduce the above copyright
16*479ab7f0SSascha Wildner  *    notice, this list of conditions and the following disclaimer in the
17*479ab7f0SSascha Wildner  *    documentation and/or other materials provided with the distribution.
18*479ab7f0SSascha Wildner  * 3. Neither the name of the University nor the names of its contributors
19*479ab7f0SSascha Wildner  *    may be used to endorse or promote products derived from this software
20*479ab7f0SSascha Wildner  *    without specific prior written permission.
21*479ab7f0SSascha Wildner  *
22*479ab7f0SSascha Wildner  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23*479ab7f0SSascha Wildner  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24*479ab7f0SSascha Wildner  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25*479ab7f0SSascha Wildner  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26*479ab7f0SSascha Wildner  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27*479ab7f0SSascha Wildner  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28*479ab7f0SSascha Wildner  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29*479ab7f0SSascha Wildner  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30*479ab7f0SSascha Wildner  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31*479ab7f0SSascha Wildner  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32*479ab7f0SSascha Wildner  * SUCH DAMAGE.
33*479ab7f0SSascha Wildner  *
34*479ab7f0SSascha Wildner  *	@(#)subr_prf.c	8.3 (Berkeley) 1/21/94
35*479ab7f0SSascha Wildner  * $FreeBSD: src/lib/libstand/twiddle.c,v 1.2 1999/08/28 00:05:34 peter Exp $
36*479ab7f0SSascha Wildner  * $DragonFly: src/lib/libstand/twiddle.c,v 1.3 2005/12/11 02:27:26 swildner Exp $
37*479ab7f0SSascha Wildner  */
38*479ab7f0SSascha Wildner 
39*479ab7f0SSascha Wildner #include <sys/types.h>
40*479ab7f0SSascha Wildner #include "stand.h"
41*479ab7f0SSascha Wildner 
42*479ab7f0SSascha Wildner /* Extra functions from NetBSD standalone printf.c */
43*479ab7f0SSascha Wildner 
44*479ab7f0SSascha Wildner void
twiddle(void)45*479ab7f0SSascha Wildner twiddle(void)
46*479ab7f0SSascha Wildner {
47*479ab7f0SSascha Wildner 	static int pos;
48*479ab7f0SSascha Wildner 
49*479ab7f0SSascha Wildner 	putchar("|/-\\"[pos++ & 3]);
50*479ab7f0SSascha Wildner 	putchar('\b');
51*479ab7f0SSascha Wildner }
52