/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T     */
/*        All Rights Reserved   */

/* Copyright (c) 1979 Regents of the University of California */

/*LINTLIBRARY*/

#if 0
static char
sccsid[] = "@(#)tputs.c 1.5 88/02/08 SMI"; /* from UCB 4.1 6/27/83 */
#endif

#include <sys/types.h>
#include <sgtty.h>
#include <ctype.h>

/*
 * The following array gives the number of tens of milliseconds per
 * character for each speed as returned by gtty.  Thus since 300
 * baud returns a 7, there are 33.3 milliseconds per char at 300 baud.
 */
static
short   tmspc10[] = {
        0, 2000, 1333, 909, 743, 666, 500, 333, 166, 83, 55, 41, 20, 10, 5
};

short   ospeed;
char    PC;

/*
 * Put the character string cp out, with padding.
 * The number of affected lines is affcnt, and the routine
 * used to output one character is outc.
 *
 * Note:
 * Return value is provided only because prototype is defined as such;
 * no real meaning.
 */

int
tputs(char *cp, int affcnt, int (*outc)(char))
{
        int i = 0;
        int mspc10;

        if (cp == 0)
                return (0);

        /*
         * Convert the number representing the delay.
         */
        if (isdigit(*cp)) {
                do
                        i = i * 10 + *cp++ - '0';
                while (isdigit(*cp));
        }
        i *= 10;
        if (*cp == '.') {
                cp++;
                if (isdigit(*cp))
                        i += *cp - '0';
                /*
                 * Only one digit to the right of the decimal point.
                 */
                while (isdigit(*cp))
                        cp++;
        }

        /*
         * If the delay is followed by a `*', then
         * multiply by the affected lines count.
         */
        if (*cp == '*')
                cp++, i *= affcnt;

        /*
         * The guts of the string.
         */
        while (*cp)
                (*outc)(*cp++);

        /*
         * If no delay needed, or output speed is
         * not comprehensible, then don't try to delay.
         */
        if (i == 0)
                return (0);
        if (ospeed <= 0 || ospeed >= (sizeof (tmspc10) / sizeof (tmspc10[0])))
                return (0);

        /*
         * Round up by a half a character frame,
         * and then do the delay.
         * Too bad there are no user program accessible programmed delays.
         * Transmitting pad characters slows many
         * terminals down and also loads the system.
         */
        mspc10 = tmspc10[ospeed];
        i += mspc10 / 2;
        for (i /= mspc10; i > 0; i--)
                (*outc)(PC);
        return (0);
}