Faster check
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2
msg.go
2
msg.go
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@ -243,7 +243,7 @@ func PackDomainName(s string, msg []byte, off int, compression map[string]int, c
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}
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}
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// Dont try to compress '.'
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if string(bs[begin:]) != "." && compression != nil {
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if compression != nil && string(bs[begin:]) != ".'" {
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if p, ok := compression[string(bs[begin:])]; !ok {
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// Only offsets smaller than this can be used.
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if offset < maxCompressionOffset {
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