chore(routing): unexport IPIsPrivate as ipIsPrivate

internal/routing/ip.go

@@ -9,7 +9,7 @@ import (
 	"github.com/qdm12/gluetun/internal/netlink"
 )
 
-func IPIsPrivate(ip netip.Addr) bool {
+func ipIsPrivate(ip netip.Addr) bool {
 	return ip.IsPrivate() || ip.IsLoopback() ||
 		ip.IsLinkLocalUnicast() || ip.IsLinkLocalMulticast()
 }

internal/routing/ip_test.go

@@ -8,7 +8,7 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-func Test_IPIsPrivate(t *testing.T) {
+func Test_ipIsPrivate(t *testing.T) {
 	t.Parallel()
 
 	testCases := map[string]struct {
@@ -90,7 +90,7 @@ func Test_IPIsPrivate(t *testing.T) {
 			ip, err := netip.ParseAddr(testCase.ipString)
 			require.NoError(t, err)
 
-			isPrivate := IPIsPrivate(ip)
+			isPrivate := ipIsPrivate(ip)
 
 			assert.Equal(t, testCase.isPrivate, isPrivate)
 		})

internal/routing/vpn.go

@@ -33,7 +33,7 @@ func (r *Routing) VPNDestinationIP() (ip netip.Addr, err error) {
 	for _, route := range routes {
 		if route.LinkIndex == defaultLinkIndex &&
 			route.Dst.IsValid() &&
-			!IPIsPrivate(route.Dst.Addr()) &&
+			!ipIsPrivate(route.Dst.Addr()) &&
 			route.Dst.IsSingleIP() {
 			return route.Dst.Addr(), nil
 		}