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/* Copyright (C) 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by David Bartley <dtbartle@csclub.uwaterloo.ca>, 2008.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <stddef.h>
#include <errno.h>
#include <termios.h>
/* Solaris stores the standard input and output baud rates in bits
16-19 and 0-3, respectively. If an extension speed is used then we
set CIBAUDEXT and CBAUDEXT for input and output, respectively, and
shift the speed left/right by 4 bits, for set/get, respectively. */
speed_t
cfgetospeed (termios_p)
const struct termios *termios_p;
{
speed_t speed = (termios_p->c_cflag & CBAUD);
if (termios_p->c_cflag & CBAUDEXT)
speed <<= 4;
return speed;
}
speed_t
cfgetispeed (termios_p)
const struct termios *termios_p;
{
speed_t speed = (termios_p->c_cflag & CBAUD) >> 16;
if (termios_p->c_cflag & CBAUDEXT)
speed <<= 4;
return speed;
}
int
cfsetospeed (termios_p, speed)
struct termios *termios_p;
speed_t speed;
{
if (speed > __MAX_BAUD)
{
__set_errno(EINVAL);
return -1;
}
termios_p->c_cflag &= ~(CBAUDEXT | CBAUD);
if (speed > CBAUD)
termios_p->c_cflag |= CBAUDEXT | (speed >> 4);
else
termios_p->c_cflag |= speed;
return 0;
}
libc_hidden_def (cfsetospeed)
int
cfsetispeed (termios_p, speed)
struct termios *termios_p;
speed_t speed;
{
if (speed > __MAX_BAUD)
{
__set_errno(EINVAL);
return -1;
}
termios_p->c_cflag &= ~(CIBAUDEXT | CIBAUD);
if (speed > CBAUD)
termios_p->c_cflag |= CIBAUDEXT | ((speed >> 4) << 16);
else
termios_p->c_cflag |= (speed << 16);
return 0;
}
libc_hidden_def (cfsetispeed)
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