blob: d3ea242448d1b3cf0f13b52fb0d7cc53586b86ae [file] [log] [blame]
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd linux,!appengine netbsd openbsd
package readline
import (
"syscall"
"unsafe"
)
type Termios syscall.Termios
// GetSize returns the dimensions of the given terminal.
func GetSize(fd int) (int, int, error) {
var dimensions [4]uint16
_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), uintptr(syscall.TIOCGWINSZ), uintptr(unsafe.Pointer(&dimensions)), 0, 0, 0)
if err != 0 {
return 0, 0, err
}
return int(dimensions[1]), int(dimensions[0]), nil
}