124 lines
3.6 KiB
C
124 lines
3.6 KiB
C
/*
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* Copyright (c) 1980, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static char sccsid[] = "@(#)tputs.c 8.1 (Berkeley) 6/4/93";
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#endif /* not lint */
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#include <sgtty.h>
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#include <ctype.h>
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/*
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* The following array gives the number of tens of milliseconds per
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* character for each speed as returned by gtty. Thus since 300
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* baud returns a 7, there are 33.3 milliseconds per char at 300 baud.
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*/
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static
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short tmspc10[] = {
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0, 2000, 1333, 909, 743, 666, 500, 333, 166, 83, 55, 41, 20, 10, 5
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};
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short ospeed;
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char PC;
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/*
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* Put the character string cp out, with padding.
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* The number of affected lines is affcnt, and the routine
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* used to output one character is outc.
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*/
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tputs(cp, affcnt, outc)
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register char *cp;
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int affcnt;
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int (*outc)();
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{
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register int i = 0;
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register int mspc10;
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if (cp == 0)
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return;
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/*
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* Convert the number representing the delay.
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*/
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if (isdigit(*cp)) {
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do
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i = i * 10 + *cp++ - '0';
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while (isdigit(*cp));
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}
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i *= 10;
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if (*cp == '.') {
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cp++;
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if (isdigit(*cp))
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i += *cp - '0';
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/*
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* Only one digit to the right of the decimal point.
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*/
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while (isdigit(*cp))
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cp++;
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}
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/*
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* If the delay is followed by a `*', then
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* multiply by the affected lines count.
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*/
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if (*cp == '*')
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cp++, i *= affcnt;
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/*
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* The guts of the string.
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*/
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while (*cp)
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(*outc)(*cp++);
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/*
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* If no delay needed, or output speed is
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* not comprehensible, then don't try to delay.
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*/
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if (i == 0)
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return;
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if (ospeed <= 0 || ospeed >= (sizeof tmspc10 / sizeof tmspc10[0]))
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return;
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/*
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* Round up by a half a character frame,
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* and then do the delay.
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* Too bad there are no user program accessible programmed delays.
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* Transmitting pad characters slows many
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* terminals down and also loads the system.
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*/
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mspc10 = tmspc10[ospeed];
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i += mspc10 / 2;
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for (i /= mspc10; i > 0; i--)
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(*outc)(PC);
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}
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