32 lines
No EOL
935 B
Go
32 lines
No EOL
935 B
Go
package term
|
|
|
|
import (
|
|
"syscall"
|
|
"unsafe"
|
|
)
|
|
|
|
const (
|
|
getTermios = syscall.TIOCGETA
|
|
setTermios = syscall.TIOCSETA
|
|
)
|
|
|
|
// 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 int) (*State, error) {
|
|
var oldState State
|
|
if _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), uintptr(getTermios), uintptr(unsafe.Pointer(&oldState.termios)), 0, 0, 0); err != 0 {
|
|
return nil, err
|
|
}
|
|
|
|
newState := oldState.termios
|
|
newState.Iflag &^= ISTRIP | INLCR | IGNCR | IXON | IXOFF
|
|
newState.Iflag |= ICRNL
|
|
newState.Oflag |= ONLCR
|
|
newState.Lflag &^= ECHO | ICANON | ISIG
|
|
if _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), uintptr(setTermios), uintptr(unsafe.Pointer(&newState)), 0, 0, 0); err != 0 {
|
|
return nil, err
|
|
}
|
|
|
|
return &oldState, nil
|
|
} |