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