/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (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 2009 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      Copyright (c) 1988 AT&T */
/*        All Rights Reserved   */

/*
 * University Copyright- Copyright (c) 1982, 1986, 1988
 * The Regents of the University of California
 * All Rights Reserved
 *
 * University Acknowledgment- Portions of this document are derived from
 * software developed by the University of California, Berkeley, and its
 * contributors.
 */

/*LINTLIBRARY*/

#include        <sys/types.h>
#include        "curses_inc.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,      /* 0 baud */
        2000,   /* 50 baud */
        1333,   /* 75 baud */
        909,    /* 110 baud */
        743,    /* 134 baud */
        666,    /* 150 baud */
        500,    /* 200 baud */
        333,    /* 300 baud */
        166,    /* 600 baud */
        83,     /* 1200 baud */
        55,     /* 1800 baud */
        41,     /* 2400 baud */
        20,     /* 4800 baud */
        10,     /* 9600 baud */
        5,      /* 19200 baud */
        2,      /* 38400 baud */
        2,      /* 57600 baud */
        1,      /* 76800 baud */
        1,      /* 115200 baud */
        1,      /* 153600 baud */
        1,      /* 230400 baud */
        1,      /* 307200 baud */
        1,      /* 460800 baud */
        1,      /* 921600 baud */
        1,      /* 1000000 baud */
        1,      /* 1152000 baud */
        1,      /* 1500000 baud */
        1,      /* 2000000 baud */
        1,      /* 2500000 baud */
        1,      /* 3000000 baud */
        1,      /* 3500000 baud */
        1,      /* 4000000 baud */
};

/*
 * Insert a delay into the output stream for "delay/10" milliseconds.
 * 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.
 */

int
_delay(int delay, int (*outc)(char))
{
        int     mspc10;
        char    pc;
        int     outspeed;

        /* if there is no pad character, then just return */
        if (no_pad_char)
                goto good;

#ifdef SYSV
        outspeed = _BRS(PROGTTYS);
#else   /* SYSV */
        outspeed = _BR(PROGTTY);
#endif  /* SYSV */
        if (outspeed <= 0 || outspeed >=
            (sizeof (tmspc10) / sizeof (tmspc10[0])))
                return (ERR);

        mspc10 = tmspc10[outspeed];
        delay += mspc10 / 2;
        if (pad_char)
                pc = *pad_char;
        else
                pc = 0;
        for (delay /= mspc10; delay-- > 0; )
                (*outc)(pc);
good:
        return (OK);
}