all: satisfy staticcheck

cmd/ctrld/dns.go

@@ -1,3 +1,4 @@
 package main
 
+//lint:ignore U1000 use in os_linux.go
 type getDNS func(iface string) []string

cmd/ctrld/dns_proxy.go

@@ -282,11 +282,12 @@ func containRcode(rcodes []int, rcode int) bool {
 }
 
 func setCachedAnswerTTL(answer *dns.Msg, now, expiredTime time.Time) {
-	ttl := uint32(expiredTime.Sub(now).Seconds())
-	if ttl < 0 {
+	ttlSecs := expiredTime.Sub(now).Seconds()
+	if ttlSecs < 0 {
 		return
 	}
 
+	ttl := uint32(ttlSecs)
 	for _, rr := range answer.Answer {
 		rr.Header().Ttl = ttl
 	}

cmd/ctrld/net.go

@@ -34,6 +34,8 @@ func supportsIPv6ListenLocal() bool {
 }
 
 // isIPv6 checks if the provided IP is v6.
+//
+//lint:ignore U1000 use in os_windows.go
 func isIPv6(ip string) bool {
 	parsedIP := net.ParseIP(ip)
 	return parsedIP != nil && parsedIP.To4() == nil && parsedIP.To16() != nil