diff options
Diffstat (limited to 'vendor/github.com/miekg/dns/vendor/golang.org/x/net/ipv6/helper.go')
-rw-r--r-- | vendor/github.com/miekg/dns/vendor/golang.org/x/net/ipv6/helper.go | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/vendor/github.com/miekg/dns/vendor/golang.org/x/net/ipv6/helper.go b/vendor/github.com/miekg/dns/vendor/golang.org/x/net/ipv6/helper.go new file mode 100644 index 000000000..259740132 --- /dev/null +++ b/vendor/github.com/miekg/dns/vendor/golang.org/x/net/ipv6/helper.go @@ -0,0 +1,57 @@ +// 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 +} |