small speedup by using reserve() (5% or so)

diff --git a/pdns/dnslabeltext.rl b/pdns/dnslabeltext.rl
index 300c2022de19345556b5f68868fb1d5b3a654391..21abd67448681887d92ca40c36bcbca56bc03956 100644 (file)
--- a/pdns/dnslabeltext.rl
+++ b/pdns/dnslabeltext.rl
@@ -106,7 +106,7 @@ deque<string> segmentDNSName(const string& input )
         char val = 0;
 
         string label;
-
+       label.reserve(10);
         %%{
                 action labelEnd { 
                         ret.push_back(label);