26 lines
		
	
	
		
			694 B
		
	
	
	
		
			Go
		
	
	
	
		
			Vendored
		
	
	
	
			
		
		
	
	
			26 lines
		
	
	
		
			694 B
		
	
	
	
		
			Go
		
	
	
	
		
			Vendored
		
	
	
	
| // 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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| 
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| //go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || windows
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| // +build aix darwin dragonfly freebsd linux netbsd openbsd solaris windows
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| 
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| package ipv6
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| 
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| import (
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| 	"net"
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| 	"unsafe"
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| 
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| 	"golang.org/x/net/internal/socket"
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| )
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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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