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HardenedBSD/lib/libtermcap/tospeed.c

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Add non-standard function: _set_ospeed(speed) Basically all termios+termcap pgms needs it. It set ospeed variable using nearest-matched stty speeds, which helps termcap pgms works with non-fixed termios speeds and not duplicate ospeed switch into every pgm. Also it isn't standard function, its source code is too big to include it in whole to every termcap+termios pgm.
1995-08-04 08:39:55 +02:00
/*
* Copyright (C) 1995 by Andrey A. Chernov, Moscow, Russia.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
Do a little trick which covers 99% cases: initialize ospeed variable directly in tgetent by stderr or stdout output speed. It helps hide in non-standard __set_ospeed function and remove it from other sources (coming soon). Do prototype cleanup too.
1995-08-05 23:22:07 +02:00
#include <termios.h>
#include "termcap.h"
Add non-standard function: _set_ospeed(speed) Basically all termios+termcap pgms needs it. It set ospeed variable using nearest-matched stty speeds, which helps termcap pgms works with non-fixed termios speeds and not duplicate ospeed switch into every pgm. Also it isn't standard function, its source code is too big to include it in whole to every termcap+termios pgm.
1995-08-04 08:39:55 +02:00
static struct stable {
Do a little trick which covers 99% cases: initialize ospeed variable directly in tgetent by stderr or stdout output speed. It helps hide in non-standard __set_ospeed function and remove it from other sources (coming soon). Do prototype cleanup too.
1995-08-05 23:22:07 +02:00
speed_t speed;
Add non-standard function: _set_ospeed(speed) Basically all termios+termcap pgms needs it. It set ospeed variable using nearest-matched stty speeds, which helps termcap pgms works with non-fixed termios speeds and not duplicate ospeed switch into every pgm. Also it isn't standard function, its source code is too big to include it in whole to every termcap+termios pgm.
1995-08-04 08:39:55 +02:00
short code;
} table[] = {
Do a little trick which covers 99% cases: initialize ospeed variable directly in tgetent by stderr or stdout output speed. It helps hide in non-standard __set_ospeed function and remove it from other sources (coming soon). Do prototype cleanup too.
1995-08-05 23:22:07 +02:00
{B115200,17},
{B57600, 16},
{B38400, 15},
{B19200, 14},
{B9600, 13},
{B4800, 12},
{B2400, 11},
{B1800, 10},
{B1200, 9},
{B600, 8},
{B300, 7},
{B200, 6},
{B150, 5},
{B134, 4},
{B110, 3},
{B75, 2},
{B50, 1},
{B0, 0},
Add non-standard function: _set_ospeed(speed) Basically all termios+termcap pgms needs it. It set ospeed variable using nearest-matched stty speeds, which helps termcap pgms works with non-fixed termios speeds and not duplicate ospeed switch into every pgm. Also it isn't standard function, its source code is too big to include it in whole to every termcap+termios pgm.
1995-08-04 08:39:55 +02:00
{-1, -1}
};
Do a little trick which covers 99% cases: initialize ospeed variable directly in tgetent by stderr or stdout output speed. It helps hide in non-standard __set_ospeed function and remove it from other sources (coming soon). Do prototype cleanup too.
1995-08-05 23:22:07 +02:00
void __set_ospeed(speed_t speed)
Add non-standard function: _set_ospeed(speed) Basically all termios+termcap pgms needs it. It set ospeed variable using nearest-matched stty speeds, which helps termcap pgms works with non-fixed termios speeds and not duplicate ospeed switch into every pgm. Also it isn't standard function, its source code is too big to include it in whole to every termcap+termios pgm.
1995-08-04 08:39:55 +02:00
{
struct stable *stable;
Do a little trick which covers 99% cases: initialize ospeed variable directly in tgetent by stderr or stdout output speed. It helps hide in non-standard __set_ospeed function and remove it from other sources (coming soon). Do prototype cleanup too.
1995-08-05 23:22:07 +02:00
if (speed == B0) {
Add non-standard function: _set_ospeed(speed) Basically all termios+termcap pgms needs it. It set ospeed variable using nearest-matched stty speeds, which helps termcap pgms works with non-fixed termios speeds and not duplicate ospeed switch into every pgm. Also it isn't standard function, its source code is too big to include it in whole to every termcap+termios pgm.
1995-08-04 08:39:55 +02:00
ospeed = 0;
return;
}
Do a little trick which covers 99% cases: initialize ospeed variable directly in tgetent by stderr or stdout output speed. It helps hide in non-standard __set_ospeed function and remove it from other sources (coming soon). Do prototype cleanup too.
1995-08-05 23:22:07 +02:00
for (stable = table; stable->speed > B0; stable++) {
Add non-standard function: _set_ospeed(speed) Basically all termios+termcap pgms needs it. It set ospeed variable using nearest-matched stty speeds, which helps termcap pgms works with non-fixed termios speeds and not duplicate ospeed switch into every pgm. Also it isn't standard function, its source code is too big to include it in whole to every termcap+termios pgm.
1995-08-04 08:39:55 +02:00
/* nearest one, rounded down */
if (stable->speed <= speed) {
ospeed = stable->code;
return;
}
}
ospeed = 1; /* 50, min and not hangup */
}
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