/
term.go
33 lines (26 loc) · 853 Bytes
/
term.go
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package main
import "golang.org/x/sys/unix"
type State struct {
termios unix.Termios
}
func makeRaw(fd int) (*State, error) {
termios, err := unix.IoctlGetTermios(fd, unix.TCGETS)
if err != nil {
return nil, err
}
oldState := State{termios: *termios}
termios.Iflag &^= unix.IGNBRK | unix.BRKINT | unix.PARMRK | unix.ISTRIP | unix.INLCR | unix.IGNCR | unix.ICRNL | unix.IXON
termios.Oflag &^= unix.OPOST
termios.Lflag &^= unix.ECHO | unix.ECHONL | unix.ICANON | unix.ISIG | unix.IEXTEN
termios.Cflag &^= unix.CSIZE | unix.PARENB
termios.Cflag |= unix.CS8
termios.Cc[unix.VMIN] = 0
termios.Cc[unix.VTIME] = 1
if err := unix.IoctlSetTermios(fd, unix.TCSETS, termios); err != nil {
return nil, err
}
return &oldState, nil
}
func restore(fd int, state *State) error {
return unix.IoctlSetTermios(fd, unix.TCSETS, &state.termios)
}