update config

.gitignore

@@ -1,2 +1,5 @@
 water.test
 water.test.exe
+
+.vscode
+.idea

.travis.yml

@@ -0,0 +1,5 @@
+language: go
+go:
+    - 1.18
+script:
+    - go test -v ./...

README.md

@@ -217,7 +217,7 @@ If you are going to use multiple TUN devices on the Windows, there is a way to s
 		DeviceType: water.TUN,
 		PlatformSpecificParams: water.PlatformSpecificParams{
 			Name: "wintun",
-			Network:       "172.16.1.10/24",
+			Network:       []string{"172.16.1.10/24"},
 		},
 	})
 ```

if.go

@@ -3,6 +3,7 @@ package water
 import (
 	"errors"
 	"io"
+	"reflect"
 )
 
 // Interface is a TUN/TAP interface.
@@ -50,10 +51,10 @@ var zeroConfig Config
 
 // New creates a new TUN/TAP interface using config.
 func New(config Config) (ifce *Interface, err error) {
-	if zeroConfig == config {
+	if reflect.DeepEqual(config, zeroConfig) {
 		config = defaultConfig()
 	}
-	if config.PlatformSpecificParams == zeroConfig.PlatformSpecificParams {
+	if reflect.DeepEqual(config.PlatformSpecificParams, zeroConfig.PlatformSpecificParams) {
 		config.PlatformSpecificParams = defaultPlatformSpecificParams()
 	}
 	switch config.DeviceType {

params_windows.go

@@ -14,12 +14,12 @@ type PlatformSpecificParams struct {
 	// For detail, please refer
 	// https://github.com/OpenVPN/tap-windows6/blob/master/src/device.c#L431
 	// and https://github.com/songgao/water/pull/13#issuecomment-270341777
-	Network string
+	Network []string
 }
 
 func defaultPlatformSpecificParams() PlatformSpecificParams {
 	return PlatformSpecificParams{
 		Name:    "wintun",
-		Network: "172.16.1.10/24",
+		Network: []string{"172.16.1.10/24"},
 	}
 }

syscalls_windows.go

@@ -2,7 +2,6 @@ package water
 
 import (
 	"net/netip"
-	"strings"
 
 	"github.com/net-byte/water/winipcfg"
 	"golang.org/x/sys/windows"
@@ -42,7 +41,10 @@ func openDev(config Config) (ifce *Interface, err error) {
 	nativeTunDevice := dev.(*tun.NativeTun)
 	link := winipcfg.LUID(nativeTunDevice.LUID())
 
-	networks := strings.Split(config.PlatformSpecificParams.Network, ",")
+	networks := config.PlatformSpecificParams.Network
+	if len(networks) == 0 {
+		panic("network is empty")
+	}
 	ipPrefix := []netip.Prefix{}
 	for _, n := range networks {
 		ip, err := netip.ParsePrefix(n)