| 1 | $sgttyb_t = 'C4 S'; |
| 2 | |
| 3 | sub cbreak { |
| 4 | &set_cbreak(1); |
| 5 | } |
| 6 | |
| 7 | sub cooked { |
| 8 | &set_cbreak(0); |
| 9 | } |
| 10 | |
| 11 | sub set_cbreak { |
| 12 | local($on) = @_; |
| 13 | |
| 14 | require 'sizeof.ph'; |
| 15 | require './sys/ioctl.ph'; |
| 16 | |
| 17 | ioctl(STDIN,&TIOCGETP,$sgttyb) |
| 18 | || die "Can't ioctl TIOCGETP: $!"; |
| 19 | |
| 20 | @ary = unpack($sgttyb_t,$sgttyb); |
| 21 | if ($on) { |
| 22 | $ary[4] |= &CBREAK; |
| 23 | $ary[4] &= ~&ECHO; |
| 24 | } else { |
| 25 | $ary[4] &= ~&CBREAK; |
| 26 | $ary[4] |= &ECHO; |
| 27 | } |
| 28 | $sgttyb = pack($sgttyb_t,@ary); |
| 29 | ioctl(STDIN,&TIOCSETP,$sgttyb) |
| 30 | || die "Can't ioctl TIOCSETP: $!"; |
| 31 | |
| 32 | } |
| 33 | |
| 34 | 1; |