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/* $OpenBSD: tputs.c,v 1.5 2013/12/03 00:25:07 deraadt Exp $ */
/* $NetBSD: tputs.c,v 1.5 1995/06/06 08:14:37 pk Exp $ */
/*
* Copyright (c) 1980, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <ctype.h>
#include <curses.h>
#undef ospeed
/*
* 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.
*/
void
tputs(cp, affcnt, outc)
register char *cp;
int affcnt;
void (*outc)(int);
{
register int i = 0;
register int mspc10;
if (cp == 0)
return;
/*
* 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;
if (ospeed <= 0 || ospeed >= (sizeof tmspc10 / sizeof tmspc10[0]))
return;
/*
* 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);
}
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