date and time created 89/05/17 22:49:21 by bostic

[unix-history] / usr / src / lib / libc / gen / termios.c

#include <sys/types.h>
#include <sys/errno.h>
#include <sys/termios.h>
#include <sys/tty.h>
#include <stdio.h>

tcgetattr(fd, t)
       int fd;
       struct termios *t;
{
       extern errno;

       return(ioctl(fd, TIOCGETA, t));
}

tcsetattr(fd, opt, t)
       int fd, opt;
       struct termios *t;
{
       long code;
       int ret;
       extern errno;

       switch (opt) {
       case TCSANOW:
               code = TIOCSETA; 
               break;
       case TCSADRAIN: 
               code = TIOCSETAW; 
               break;
       case TCSADFLUSH: 
               code = TIOCSETAF; 
               break;
       case TCSANOW | TCSASOFT:
               code = TIOCSETAS; 
               break;
       case TCSADRAIN | TCSASOFT:
               code = TIOCSETAWS;
               break;
       case TCSADFLUSH | TCSASOFT:
               code = TIOCSETAFS;
               break;
       default:
               errno = EINVAL;
               return(-1);
       }
       return(ioctl(fd, code, t));
}

tcsetpgrp(fd, pgrp)
{
       return(ioctl(fd, TIOCSPGRP, &pgrp));
}

tcgetpgrp(fd)
{
       int pgrp;

       if (ioctl(fd, TIOCGPGRP, &pgrp) < 0)
               return(-1);
       return(pgrp);
}

cfgetospeed(t)
       struct termios *t;
{
       return(t->c_ospeed);
}

cfgetispeed(t)
       struct termios *t;
{
       return(t->c_ispeed);
}

cfsetospeed(t, speed)
       struct termios *t;
{
       t->c_ospeed = speed;
}

cfsetispeed(t, speed)
       struct termios *t;
{
       t->c_ispeed = speed;
}

cfsetspeed(t, speed)
       struct termios *t;
{
       t->c_ispeed = t->c_ospeed = speed;
}

cfmakeraw(t)
       struct termios *t;
{
       t->c_iflag &= ~(IGNBRK|BRKINT|PARMRK|INLCR|IGNCR|ICRNL|IXON|IEXTEN);
       t->c_oflag &= ~(ONLCR|OXTABS);
       t->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG);
       /* set MIN/TIME */
}