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Move to dns.Truncate (#2942)

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Ditch our truncation code and use the upstream one in miekg/dns.
This saves code on our end, end upstream is also more efficient as every
RR is Len-ed only once. With our bin-search this is not guaranteed.

Signed-off-by: Miek Gieben <miek@miek.nl>
This commit is contained in:
Miek Gieben
2019-07-11 12:54:47 +00:00
committed by GitHub
parent 1ee9b534ab
commit a5c405f6d7
2 changed files with 9 additions and 100 deletions
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7
request/writer.go
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@@ -15,8 +15,7 @@ func NewScrubWriter(req *dns.Msg, w dns.ResponseWriter) *ScrubWriter { return &S
// scrub on the message m and will then write it to the client.
func (s *ScrubWriter) WriteMsg(m *dns.Msg) error {
state := Request{Req: s.req, W: s.ResponseWriter}
n := state.Scrub(m)
state.SizeAndDo(n)
return s.ResponseWriter.WriteMsg(n)
state.SizeAndDo(m)
state.Scrub(m)
return s.ResponseWriter.WriteMsg(m)
}