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moby--moby/term/termios_darwin.go
Caleb Spare 2d4c5ddbdd Gofmt.
2013-03-29 23:58:30 -07:00

32 lines
885 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
}