45 lines
1005 B
Go
45 lines
1005 B
Go
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package setup
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import (
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"syscall"
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"unsafe"
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)
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type termios struct {
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Iflag uint32
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Oflag uint32
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Cflag uint32
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Lflag uint32
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Cc [20]byte
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Ispeed uint32
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Ospeed uint32
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}
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const (
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tcgetattr = 0x5401
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tcsetattr = 0x5402
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TCSAFLUSH = 2
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ECHO = 0x8
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ICANON = 0x100
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)
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func termiosGetState(fd int) (*termios, bool) {
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var state termios
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if _, _, err := syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), uintptr(tcgetattr), uintptr(unsafe.Pointer(&state))); err != 0 {
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return nil, false
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}
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return &state, true
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}
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func termiosDisableEcho(fd int) {
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var state termios
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if _, _, err := syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), uintptr(tcgetattr), uintptr(unsafe.Pointer(&state))); err != 0 {
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return
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}
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state.Lflag &^= ECHO | ICANON
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syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), uintptr(tcsetattr), uintptr(unsafe.Pointer(&state)))
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}
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func termiosRestore(fd int, state *termios) {
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syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), uintptr(tcsetattr), uintptr(unsafe.Pointer(state)))
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}
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