1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 1997 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 28 /* All Rights Reserved */ 29 30 /* Copyright (c) 1979 Regents of the University of California */ 31 32 /*LINTLIBRARY*/ 33 34 #if 0 35 static char 36 sccsid[] = "@(#)tputs.c 1.5 88/02/08 SMI"; /* from UCB 4.1 6/27/83 */ 37 #endif 38 39 #include <sys/types.h> 40 #include <sgtty.h> 41 #include <ctype.h> 42 43 /* 44 * The following array gives the number of tens of milliseconds per 45 * character for each speed as returned by gtty. Thus since 300 46 * baud returns a 7, there are 33.3 milliseconds per char at 300 baud. 47 */ 48 static 49 short tmspc10[] = { 50 0, 2000, 1333, 909, 743, 666, 500, 333, 166, 83, 55, 41, 20, 10, 5 51 }; 52 53 short ospeed; 54 char PC; 55 56 /* 57 * Put the character string cp out, with padding. 58 * The number of affected lines is affcnt, and the routine 59 * used to output one character is outc. 60 * 61 * Note: 62 * Return value is provided only because prototype is defined as such; 63 * no real meaning. 64 */ 65 66 int 67 tputs(char *cp, int affcnt, int (*outc)(char)) 68 { 69 int i = 0; 70 int mspc10; 71 72 if (cp == 0) 73 return (0); 74 75 /* 76 * Convert the number representing the delay. 77 */ 78 if (isdigit(*cp)) { 79 do 80 i = i * 10 + *cp++ - '0'; 81 while (isdigit(*cp)); 82 } 83 i *= 10; 84 if (*cp == '.') { 85 cp++; 86 if (isdigit(*cp)) 87 i += *cp - '0'; 88 /* 89 * Only one digit to the right of the decimal point. 90 */ 91 while (isdigit(*cp)) 92 cp++; 93 } 94 95 /* 96 * If the delay is followed by a `*', then 97 * multiply by the affected lines count. 98 */ 99 if (*cp == '*') 100 cp++, i *= affcnt; 101 102 /* 103 * The guts of the string. 104 */ 105 while (*cp) 106 (*outc)(*cp++); 107 108 /* 109 * If no delay needed, or output speed is 110 * not comprehensible, then don't try to delay. 111 */ 112 if (i == 0) 113 return (0); 114 if (ospeed <= 0 || ospeed >= (sizeof (tmspc10) / sizeof (tmspc10[0]))) 115 return (0); 116 117 /* 118 * Round up by a half a character frame, 119 * and then do the delay. 120 * Too bad there are no user program accessible programmed delays. 121 * Transmitting pad characters slows many 122 * terminals down and also loads the system. 123 */ 124 mspc10 = tmspc10[ospeed]; 125 i += mspc10 / 2; 126 for (i /= mspc10; i > 0; i--) 127 (*outc)(PC); 128 return (0); 129 } 130