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much stricter memory allocation for msg 

Only allocate what you need=+1 (just to be sure)
This commit is contained in:
Miek Gieben 2012-08-26 22:29:48 +02:00
parent cc1bb251cc
commit 468d937c8f
1 changed files with 2 additions and 1 deletions
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3
msg.go
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@ -1210,7 +1210,7 @@ func (dns *Msg) Pack() (msg []byte, ok bool) {
dh.Arcount = uint16(len(extra))
// TODO(mg): still a little too much, but better than 64K...
msg = make([]byte, dns.Len()*2)
msg = make([]byte, dns.Len()+1)
// Pack it in: header and then the pieces.
off := 0
@ -1230,6 +1230,7 @@ func (dns *Msg) Pack() (msg []byte, ok bool) {
if !ok {
return nil, false
}
//println("allocated", dns.Len()+1, "used", off)
return msg[:off], true
}