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/* $OpenBSD: termios.c,v 1.2 2005/05/24 20:38:20 uwe Exp $ */
/*-
* Copyright (c) 1989, 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 "libsa.h"
/* Linux-specific line speed handling from linux_termios.c */
static speed_t linux_speeds[] = {
0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800,
9600, 19200, 38400, 57600, 115200, 230400
};
static const int linux_spmasks[] = {
LINUX_B0, LINUX_B50, LINUX_B75, LINUX_B110, LINUX_B134, LINUX_B150,
LINUX_B200, LINUX_B300, LINUX_B600, LINUX_B1200, LINUX_B1800,
LINUX_B2400, LINUX_B4800, LINUX_B9600, LINUX_B19200, LINUX_B38400,
LINUX_B57600, LINUX_B115200, LINUX_B230400
};
int
cfsetspeed(struct termios *t, speed_t speed)
{
int mask;
int i;
mask = LINUX_B9600; /* XXX default value should this be 0? */
for (i = 0; i < sizeof (linux_speeds) / sizeof (speed_t); i++) {
if (speed == linux_speeds[i]) {
mask = linux_spmasks[i];
break;
}
}
t->c_cflag &= ~LINUX_CBAUD;
t->c_cflag |= mask;
return (0);
}
void
cfmakeraw(struct termios *t)
{
t->c_iflag &= ~(IMAXBEL|IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON);
t->c_oflag &= ~OPOST;
t->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN);
t->c_cflag &= ~(CSIZE|PARENB);
t->c_cflag |= CS8;
}
int
tcgetattr(int fd, struct termios *t)
{
return (uioctl(fd, TIOCGETA, t));
}
/* This function differs slightly from tcsetattr() in libc. */
int
tcsetattr(int fd, int action, struct termios *t)
{
switch (action) {
case TCSANOW:
action = TIOCSETA;
break;
case TCSADRAIN:
action = TIOCSETAW;
break;
case TCSAFLUSH:
action = TIOCSETAF;
break;
default:
errno = EINVAL;
return (-1);
}
return (uioctl(fd, action, t));
}
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