36 lines
591 B
Go
36 lines
591 B
Go
package main
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import (
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"golang.org/x/sys/unix"
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)
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type tty struct {
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fd int
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termios *unix.Termios
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}
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func newTTY(fd uintptr) *tty {
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termios, _ := unix.IoctlGetTermios(int(fd), unix.TCGETS)
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return &tty{int(fd), termios}
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}
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func (t *tty) EchoOff() {
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if t.termios == nil {
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return
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}
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newState := *t.termios
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newState.Lflag &^= unix.ECHO
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newState.Lflag |= unix.ICANON | unix.ISIG
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newState.Iflag |= unix.ICRNL
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unix.IoctlSetTermios(t.fd, unix.TCSETS, &newState)
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}
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func (t *tty) Restore() {
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if t.termios == nil {
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return
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}
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unix.IoctlSetTermios(t.fd, unix.TCSETS, t.termios)
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}
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