smart update: do it by chunks.

[unix-history] / usr / src / usr.bin / window / wwtty.c

#ifndef lint
static  char *sccsid = "@(#)wwtty.c     3.2 83/08/12";
#endif

#include "ww.h"

wwgettty(d, t)
register struct ww_tty *t;
{
       if (ioctl(d, (int)TIOCGETP, (char *)&t->ww_sgttyb) < 0)
               return -1;
       if (ioctl(d, (int)TIOCGETC, (char *)&t->ww_tchars) < 0)
               return -1;
       if (ioctl(d, (int)TIOCGLTC, (char *)&t->ww_ltchars) < 0)
               return -1;
       if (ioctl(d, (int)TIOCLGET, (char *)&t->ww_lmode) < 0)
               return -1;
       if (ioctl(d, (int)TIOCGETD, (char *)&t->ww_ldisc) < 0)
               return -1;
       if (ioctl(d, (int)TIOCGPGRP, (char *)&t->ww_pgrp) < 0)
               return -1;
       return 0;
}

wwsettty(d, t)
register struct ww_tty *t;
{
       if (ioctl(d, (int)TIOCSETP, (char *)&t->ww_sgttyb) < 0)
               return -1;
       if (ioctl(d, (int)TIOCSETC, (char *)&t->ww_tchars) < 0)
               return -1;
       if (ioctl(d, (int)TIOCSLTC, (char *)&t->ww_ltchars) < 0)
               return -1;
       if (ioctl(d, (int)TIOCLSET, (char *)&t->ww_lmode) < 0)
               return -1;
       if (ioctl(d, (int)TIOCSETD, (char *)&t->ww_ldisc) < 0)
               return -1;
       if (ioctl(d, (int)TIOCSPGRP, (char *)&t->ww_pgrp) < 0)
               return -1;
       return 0;
}