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			13 lines
		
	
	
		
			256 B
		
	
	
	
		
			Go
		
	
	
	
	
	
		
		
			
		
	
	
			13 lines
		
	
	
		
			256 B
		
	
	
	
		
			Go
		
	
	
	
	
	
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								package dnsutil
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								import "github.com/miekg/dns"
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								// Dedup de-duplicates a message.
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								func Dedup(m *dns.Msg) *dns.Msg {
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									// TODO(miek): expensive!
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									m.Answer = dns.Dedup(m.Answer, nil)
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									m.Ns = dns.Dedup(m.Ns, nil)
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									m.Extra = dns.Dedup(m.Extra, nil)
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									return m
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								}
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