From: bert hubert <bert.hubert@netherlabs.nl>
Date: Thu, 15 Jan 2015 12:08:16 +0000 (+0100)
Subject: shave a whole bunch of replace_all calls & resulting allocations
X-Git-Tag: rec-3.7.0-rc1~26
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=83b746fd1d94c8742d8bd87a44beb44c154230c7;p=thirdparty%2Fpdns.git

shave a whole bunch of replace_all calls & resulting allocations
---

diff --git a/pdns/dnsparser.cc b/pdns/dnsparser.cc
index 776b51a521..f6ca6b6b62 100644
--- a/pdns/dnsparser.cc
+++ b/pdns/dnsparser.cc
@@ -531,9 +531,11 @@ string simpleCompress(const string& elabel, const string& root)
 {
   string label=elabel;
   // FIXME: this relies on the semi-canonical escaped output from getLabelFromContent
-  boost::replace_all(label, "\\.", ".");
-  boost::replace_all(label, "\\032", " ");
-  boost::replace_all(label, "\\\\", "\\"); 
+  if(strchr(label.c_str(), '\\')) {
+    boost::replace_all(label, "\\.", ".");
+    boost::replace_all(label, "\\032", " ");
+    boost::replace_all(label, "\\\\", "\\");   
+  }
   typedef vector<pair<unsigned int, unsigned int> > parts_t;
   parts_t parts;
   vstringtok(parts, label, ".");