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24 lines
589 B
24 lines
589 B
// 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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// +build darwin dragonfly freebsd linux netbsd openbsd solaris windows |
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package ipv6 |
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import ( |
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"net" |
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"unsafe" |
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"golang.org/x/net/internal/socket" |
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) |
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func (so *sockOpt) setIPMreq(c *socket.Conn, ifi *net.Interface, grp net.IP) error { |
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var mreq ipv6Mreq |
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copy(mreq.Multiaddr[:], grp) |
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if ifi != nil { |
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mreq.setIfindex(ifi.Index) |
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} |
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b := (*[sizeofIPv6Mreq]byte)(unsafe.Pointer(&mreq))[:sizeofIPv6Mreq] |
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return so.Set(c, b) |
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}
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