diff options
Diffstat (limited to 'tun/wintun/wintun_windows.go')
| -rw-r--r-- | tun/wintun/wintun_windows.go | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/tun/wintun/wintun_windows.go b/tun/wintun/wintun_windows.go index aea4ad1..7b99a50 100644 --- a/tun/wintun/wintun_windows.go +++ b/tun/wintun/wintun_windows.go @@ -89,8 +89,9 @@ func makeWintun(deviceInfoSet setupapi.DevInfo, deviceInfoData *setupapi.DevInfo // optional and can be 0. If a specific top-level window is not required, set // hwndParent to 0. // -// Function returns interface if found, or nil otherwise. If the interface is -// found but not Wintun-class, the function returns interface and an error. +// Function returns interface if found, or windows.ERROR_OBJECT_NOT_FOUND +// otherwise. If the interface is found but not Wintun-class, the function +// returns windows.ERROR_ALREADY_EXISTS. // func GetInterface(ifname string, hwndParent uintptr) (*Wintun, error) { // Create a list of network devices. @@ -164,7 +165,7 @@ func GetInterface(ifname string, hwndParent uintptr) (*Wintun, error) { } // This interface is not using Wintun driver. - return nil, errors.New("Foreign network interface with the same name exists") + return nil, windows.ERROR_ALREADY_EXISTS } } |