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// Copyright 2013 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package readline
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import (
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	"syscall"
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	"unsafe"
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)
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// These constants are declared here, rather than importing
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// them from the syscall package as some syscall packages, even
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// on linux, for example gccgo, do not declare them.
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const ioctlReadTermios = 0x5401  // syscall.TCGETS
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const ioctlWriteTermios = 0x5402 // syscall.TCSETS
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func getTermios(fd int) (*Termios, error) {
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	termios := new(Termios)
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	_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), ioctlReadTermios, uintptr(unsafe.Pointer(termios)), 0, 0, 0)
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	if err != 0 {
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		return nil, err
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	}
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	return termios, nil
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}
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func setTermios(fd int, termios *Termios) error {
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	_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), ioctlWriteTermios, uintptr(unsafe.Pointer(termios)), 0, 0, 0)
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	if err != 0 {
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		return err
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	}
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	return nil
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}
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