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Unexported the error.

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This commit is contained in:
lucus 2017-01-04 18:55:22 +09:00
parent b78551478a
commit c3b4ba2cd8
1 changed files with 5 additions and 6 deletions
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11
syscalls_windows.go
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@ -9,6 +9,7 @@ package water
import (
"bytes"
"errors"
"fmt"
"net"
"os"
"syscall"
@ -17,9 +18,7 @@ import (
)
var (
IfceNameNotFound = errors.New("Failed to find the name of interface.")
TapDeviceNotFound = errors.New("Failed to find the tap device in registry with specified ComponentId, TAP driver may be not installed.")
RegistryOpenErr = errors.New("Failed to open the adapter registry, TAP driver may be not installed.")
ifceNameNotFound = errors.New("Failed to find the name of interface.")
// Device Control Codes
tap_win_ioctl_get_mac = tap_control_code(1, 0)
tap_win_ioctl_get_version = tap_control_code(2, 0)
@ -52,7 +51,7 @@ func getdeviceid() (string, error) {
regkey := `SYSTEM\CurrentControlSet\Control\Class\{4D36E972-E325-11CE-BFC1-08002BE10318}`
k, err := registry.OpenKey(registry.LOCAL_MACHINE, regkey, registry.READ)
if err != nil {
return "", RegistryOpenErr
return "", fmt.Errorf("Failed to open the adapter registry, TAP driver may be not installed, %v", err)
}
defer k.Close()
// read all subkeys, it should not return an err here
@ -82,7 +81,7 @@ func getdeviceid() (string, error) {
}
key.Close()
}
return "", TapDeviceNotFound
return "", fmt.Errorf("Failed to find the tap device in registry with specified ComponentId(%s), TAP driver may be not installed.", componentId)
}
// openDev find and open an interface.
@ -154,7 +153,7 @@ func openDev(isTAP bool) (ifce *Interface, err error) {
}
}
err = IfceNameNotFound
err = ifceNameNotFound
return
}