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- package term
- import (
- "unsafe"
- "golang.org/x/sys/unix"
- )
- const (
- getTermios = unix.TCGETS
- setTermios = unix.TCSETS
- )
- // Termios is the Unix API for terminal I/O.
- type Termios unix.Termios
- // MakeRaw put the terminal connected to the given file descriptor into raw
- // mode and returns the previous state of the terminal so that it can be
- // restored.
- func MakeRaw(fd uintptr) (*State, error) {
- var oldState State
- if _, _, err := unix.Syscall(unix.SYS_IOCTL, fd, getTermios, uintptr(unsafe.Pointer(&oldState.termios))); err != 0 {
- return nil, err
- }
- newState := oldState.termios
- newState.Iflag &^= (unix.IGNBRK | unix.BRKINT | unix.PARMRK | unix.ISTRIP | unix.INLCR | unix.IGNCR | unix.ICRNL | unix.IXON)
- newState.Oflag |= unix.OPOST
- newState.Lflag &^= (unix.ECHO | unix.ECHONL | unix.ICANON | unix.ISIG | unix.IEXTEN)
- newState.Cflag &^= (unix.CSIZE | unix.PARENB)
- newState.Cflag |= unix.CS8
- if _, _, err := unix.Syscall(unix.SYS_IOCTL, fd, setTermios, uintptr(unsafe.Pointer(&newState))); err != 0 {
- return nil, err
- }
- return &oldState, nil
- }
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