1 1.9 simonb /* $NetBSD: twiddle.c,v 1.9 2020/09/29 00:13:12 simonb Exp $ */ 2 1.1 pk 3 1.1 pk /*- 4 1.1 pk * Copyright (c) 1993 5 1.1 pk * The Regents of the University of California. All rights reserved. 6 1.1 pk * 7 1.1 pk * Redistribution and use in source and binary forms, with or without 8 1.1 pk * modification, are permitted provided that the following conditions 9 1.1 pk * are met: 10 1.1 pk * 1. Redistributions of source code must retain the above copyright 11 1.1 pk * notice, this list of conditions and the following disclaimer. 12 1.1 pk * 2. Redistributions in binary form must reproduce the above copyright 13 1.1 pk * notice, this list of conditions and the following disclaimer in the 14 1.1 pk * documentation and/or other materials provided with the distribution. 15 1.5 agc * 3. Neither the name of the University nor the names of its contributors 16 1.1 pk * may be used to endorse or promote products derived from this software 17 1.1 pk * without specific prior written permission. 18 1.1 pk * 19 1.1 pk * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 1.1 pk * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 1.1 pk * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 1.1 pk * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 1.1 pk * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 1.1 pk * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 1.1 pk * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 1.1 pk * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 1.1 pk * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 1.1 pk * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 1.1 pk * SUCH DAMAGE. 30 1.1 pk * 31 1.1 pk * @(#)printf.c 8.1 (Berkeley) 6/11/93 32 1.1 pk */ 33 1.1 pk 34 1.1 pk #include <sys/cdefs.h> 35 1.1 pk #include <sys/types.h> 36 1.1 pk 37 1.1 pk #include "stand.h" 38 1.1 pk 39 1.2 simonb #define TWIDDLE_CHARS "|/-\\" 40 1.2 simonb 41 1.8 ad char twiddle_toggle; 42 1.8 ad 43 1.9 simonb #ifdef LIBSA_SLOW_TWIDDLE 44 1.9 simonb #define TWIDDLE_DELAY 4 45 1.9 simonb #else 46 1.9 simonb #define TWIDDLE_DELAY 0 47 1.9 simonb #endif 48 1.9 simonb 49 1.9 simonb #define TWIDDLE_MASK ((1 << TWIDDLE_DELAY) - 1) 50 1.9 simonb 51 1.1 pk void 52 1.7 isaki twiddle(void) 53 1.1 pk { 54 1.9 simonb static unsigned int pos; 55 1.1 pk 56 1.8 ad if (!twiddle_toggle) { 57 1.9 simonb if ((pos & TWIDDLE_MASK) == 0) { 58 1.9 simonb putchar(TWIDDLE_CHARS[(pos >> TWIDDLE_DELAY) & 3]); 59 1.9 simonb putchar('\b'); 60 1.9 simonb } 61 1.9 simonb pos++; 62 1.8 ad } 63 1.1 pk } 64
Indexes created Mon Sep 22 05:09:51 GMT 2025