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@@ -15,7 +15,6 @@ type Termios struct {
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Ospeed uintptr
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}
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-
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const (
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// Input flags
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inpck = 0x010
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@@ -35,113 +34,110 @@ const (
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)
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const (
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- HUPCL = 0x4000
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- ICANON = 0x100
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- ICRNL = 0x100
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- IEXTEN = 0x400
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- BRKINT = 0x2
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- CFLUSH = 0xf
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- CLOCAL = 0x8000
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- CREAD = 0x800
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- CS5 = 0x0
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- CS6 = 0x100
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- CS7 = 0x200
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- CS8 = 0x300
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- CSIZE = 0x300
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- CSTART = 0x11
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- CSTATUS = 0x14
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- CSTOP = 0x13
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- CSTOPB = 0x400
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- CSUSP = 0x1a
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- IGNBRK = 0x1
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- IGNCR = 0x80
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- IGNPAR = 0x4
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- IMAXBEL = 0x2000
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- INLCR = 0x40
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- INPCK = 0x10
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- ISIG = 0x80
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- ISTRIP = 0x20
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- IUTF8 = 0x4000
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- IXANY = 0x800
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- IXOFF = 0x400
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- IXON = 0x200
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- NOFLSH = 0x80000000
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- OCRNL = 0x10
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- OFDEL = 0x20000
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- OFILL = 0x80
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- ONLCR = 0x2
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- ONLRET = 0x40
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- ONOCR = 0x20
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- ONOEOT = 0x8
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- OPOST = 0x1
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-RENB = 0x1000
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- PARMRK = 0x8
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- PARODD = 0x2000
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-
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- TOSTOP = 0x400000
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- VDISCARD = 0xf
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- VDSUSP = 0xb
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- VEOF = 0x0
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- VEOL = 0x1
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- VEOL2 = 0x2
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- VERASE = 0x3
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- VINTR = 0x8
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- VKILL = 0x5
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- VLNEXT = 0xe
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- VMIN = 0x10
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- VQUIT = 0x9
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- VREPRINT = 0x6
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- VSTART = 0xc
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- VSTATUS = 0x12
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- VSTOP = 0xd
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- VSUSP = 0xa
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- VT0 = 0x0
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- VT1 = 0x10000
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- VTDLY = 0x10000
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- VTIME = 0x11
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- ECHO = 0x00000008
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-
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- PENDIN = 0x20000000
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+ HUPCL = 0x4000
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+ ICANON = 0x100
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+ ICRNL = 0x100
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+ IEXTEN = 0x400
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+ BRKINT = 0x2
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+ CFLUSH = 0xf
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+ CLOCAL = 0x8000
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+ CREAD = 0x800
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+ CS5 = 0x0
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+ CS6 = 0x100
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+ CS7 = 0x200
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+ CS8 = 0x300
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+ CSIZE = 0x300
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+ CSTART = 0x11
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+ CSTATUS = 0x14
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+ CSTOP = 0x13
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+ CSTOPB = 0x400
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+ CSUSP = 0x1a
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+ IGNBRK = 0x1
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+ IGNCR = 0x80
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+ IGNPAR = 0x4
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+ IMAXBEL = 0x2000
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+ INLCR = 0x40
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+ INPCK = 0x10
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+ ISIG = 0x80
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+ ISTRIP = 0x20
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+ IUTF8 = 0x4000
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+ IXANY = 0x800
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+ IXOFF = 0x400
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+ IXON = 0x200
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+ NOFLSH = 0x80000000
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+ OCRNL = 0x10
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+ OFDEL = 0x20000
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+ OFILL = 0x80
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+ ONLCR = 0x2
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+ ONLRET = 0x40
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+ ONOCR = 0x20
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+ ONOEOT = 0x8
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+ OPOST = 0x1
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+ RENB = 0x1000
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+ PARMRK = 0x8
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+ PARODD = 0x2000
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+
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+ TOSTOP = 0x400000
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+ VDISCARD = 0xf
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+ VDSUSP = 0xb
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+ VEOF = 0x0
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+ VEOL = 0x1
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+ VEOL2 = 0x2
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+ VERASE = 0x3
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+ VINTR = 0x8
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+ VKILL = 0x5
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+ VLNEXT = 0xe
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+ VMIN = 0x10
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+ VQUIT = 0x9
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+ VREPRINT = 0x6
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+ VSTART = 0xc
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+ VSTATUS = 0x12
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+ VSTOP = 0xd
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+ VSUSP = 0xa
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+ VT0 = 0x0
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+ VT1 = 0x10000
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+ VTDLY = 0x10000
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+ VTIME = 0x11
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+ ECHO = 0x00000008
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+
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+ PENDIN = 0x20000000
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)
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type State struct {
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- termios Termios
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+ termios Termios
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}
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// IsTerminal returns true if the given file descriptor is a terminal.
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func IsTerminal(fd int) bool {
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- var termios Termios
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- _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), uintptr(getTermios), uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
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- return err == 0
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+ var termios Termios
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+ _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), uintptr(getTermios), uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
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+ return err == 0
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}
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// MakeRaw put the terminal connected to the given file descriptor into raw
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// mode and returns the previous state of the terminal so that it can be
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// restored.
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func MakeRaw(fd int) (*State, error) {
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- var oldState State
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- if _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), uintptr(getTermios), uintptr(unsafe.Pointer(&oldState.termios)), 0, 0, 0); err != 0 {
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- return nil, err
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- }
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-
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- newState := oldState.termios
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- newState.Iflag &^= ISTRIP | INLCR | IGNCR | IXON | IXOFF
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- newState.Iflag |= ICRNL
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- newState.Oflag |= ONLCR
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- newState.Lflag &^= ECHO | ICANON | ISIG
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- if _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), uintptr(setTermios), uintptr(unsafe.Pointer(&newState)), 0, 0, 0); err != 0 {
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- return nil, err
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- }
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-
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- return &oldState, nil
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+ var oldState State
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+ if _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), uintptr(getTermios), uintptr(unsafe.Pointer(&oldState.termios)), 0, 0, 0); err != 0 {
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+ return nil, err
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+ }
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+
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+ newState := oldState.termios
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+ newState.Iflag &^= ISTRIP | INLCR | IGNCR | IXON | IXOFF
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+ newState.Iflag |= ICRNL
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+ newState.Oflag |= ONLCR
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+ newState.Lflag &^= ECHO | ICANON | ISIG
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+ if _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), uintptr(setTermios), uintptr(unsafe.Pointer(&newState)), 0, 0, 0); err != 0 {
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+ return nil, err
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+ }
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+
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+ return &oldState, nil
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}
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-
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// Restore restores the terminal connected to the given file descriptor to a
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// previous state.
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func Restore(fd int, state *State) error {
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- _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), uintptr(setTermios), uintptr(unsafe.Pointer(&state.termios)), 0, 0, 0)
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- return err
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+ _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), uintptr(setTermios), uintptr(unsafe.Pointer(&state.termios)), 0, 0, 0)
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+ return err
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}
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-
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-
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