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#pragma ident	"%Z%%M%	%I%	%E% SMI"
33
34/*LINTLIBRARY*/
35
36#if 0
37static char
38sccsid[] = "@(#)tputs.c 1.5 88/02/08 SMI"; /* from UCB 4.1 6/27/83 */
39#endif
40
41#include <sys/types.h>
42#include <sgtty.h>
43#include <ctype.h>
44
45/*
46 * The following array gives the number of tens of milliseconds per
47 * character for each speed as returned by gtty.  Thus since 300
48 * baud returns a 7, there are 33.3 milliseconds per char at 300 baud.
49 */
50static
51short	tmspc10[] = {
52	0, 2000, 1333, 909, 743, 666, 500, 333, 166, 83, 55, 41, 20, 10, 5
53};
54
55short	ospeed;
56char	PC;
57
58/*
59 * Put the character string cp out, with padding.
60 * The number of affected lines is affcnt, and the routine
61 * used to output one character is outc.
62 *
63 * Note:
64 * Return value is provided only because prototype is defined as such;
65 * no real meaning.
66 */
67
68int
69tputs(char *cp, int affcnt, int (*outc)(char))
70{
71	int i = 0;
72	int mspc10;
73
74	if (cp == 0)
75		return (0);
76
77	/*
78	 * Convert the number representing the delay.
79	 */
80	if (isdigit(*cp)) {
81		do
82			i = i * 10 + *cp++ - '0';
83		while (isdigit(*cp));
84	}
85	i *= 10;
86	if (*cp == '.') {
87		cp++;
88		if (isdigit(*cp))
89			i += *cp - '0';
90		/*
91		 * Only one digit to the right of the decimal point.
92		 */
93		while (isdigit(*cp))
94			cp++;
95	}
96
97	/*
98	 * If the delay is followed by a `*', then
99	 * multiply by the affected lines count.
100	 */
101	if (*cp == '*')
102		cp++, i *= affcnt;
103
104	/*
105	 * The guts of the string.
106	 */
107	while (*cp)
108		(*outc)(*cp++);
109
110	/*
111	 * If no delay needed, or output speed is
112	 * not comprehensible, then don't try to delay.
113	 */
114	if (i == 0)
115		return (0);
116	if (ospeed <= 0 || ospeed >= (sizeof (tmspc10) / sizeof (tmspc10[0])))
117		return (0);
118
119	/*
120	 * Round up by a half a character frame,
121	 * and then do the delay.
122	 * Too bad there are no user program accessible programmed delays.
123	 * Transmitting pad characters slows many
124	 * terminals down and also loads the system.
125	 */
126	mspc10 = tmspc10[ospeed];
127	i += mspc10 / 2;
128	for (i /= mspc10; i > 0; i--)
129		(*outc)(PC);
130	return (0);
131}
132