prometheus/vendor/golang.org/x/net/ipv6/helper.go
Ben Kochie 2b02fcb0cb Update vendor github.com/miekg/dns@v1.0.4
Update vendor `github.com/miekg/dns` to `v1.0.4` release.
* Add dependent vendor `golang.org/x/crypto/ed25519`.
* Add dependent vendor `golang.org/x/crypto/ed25519/internal/edwards25519`.
* Add dependent vendor `golang.org/x/net/bpf`.
* Add dependent vendor `golang.org/x/net/internal/iana`.
* Add dependent vendor `golang.org/x/net/internal/socket`.
* Add dependent vendor `golang.org/x/net/ipv4`.
* Add dependent vendor `golang.org/x/net/ipv6`.
2018-03-22 07:59:39 +00:00

58 lines
1 KiB
Go

// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipv6
import (
"errors"
"net"
)
var (
errMissingAddress = errors.New("missing address")
errHeaderTooShort = errors.New("header too short")
errInvalidConnType = errors.New("invalid conn type")
errOpNoSupport = errors.New("operation not supported")
errNoSuchInterface = errors.New("no such interface")
)
func boolint(b bool) int {
if b {
return 1
}
return 0
}
func netAddrToIP16(a net.Addr) net.IP {
switch v := a.(type) {
case *net.UDPAddr:
if ip := v.IP.To16(); ip != nil && ip.To4() == nil {
return ip
}
case *net.IPAddr:
if ip := v.IP.To16(); ip != nil && ip.To4() == nil {
return ip
}
}
return nil
}
func opAddr(a net.Addr) net.Addr {
switch a.(type) {
case *net.TCPAddr:
if a == nil {
return nil
}
case *net.UDPAddr:
if a == nil {
return nil
}
case *net.IPAddr:
if a == nil {
return nil
}
}
return a
}