blob: 9660a93bc2d833bf882cef8a47c5c1cb21c6bb89 [file] [log] [blame]
package pty
import "os"
// InheritSize applies the terminal size of pty to tty. This should be run
// in a signal handler for syscall.SIGWINCH to automatically resize the tty when
// the pty receives a window size change notification.
func InheritSize(pty, tty *os.File) error {
size, err := GetsizeFull(pty)
if err != nil {
return err
if err := Setsize(tty, size); err != nil {
return err
return nil
// Getsize returns the number of rows (lines) and cols (positions
// in each line) in terminal t.
func Getsize(t *os.File) (rows, cols int, err error) {
ws, err := GetsizeFull(t)
return int(ws.Rows), int(ws.Cols), err