From d44e4e09aef4bda69a3eb86e3cf4045bed4afbe2 Mon Sep 17 00:00:00 2001
From: bert hubert <bert.hubert@netherlabs.nl>
Date: Thu, 5 Nov 2015 09:19:46 +0100
Subject: [PATCH] prepare for removal of d_empty (but not there yet)

---
 pdns/dnsname.cc | 18 +++++++-----------
 pdns/dnsname.hh |  3 +--
 2 files changed, 8 insertions(+), 13 deletions(-)

diff --git a/pdns/dnsname.cc b/pdns/dnsname.cc
index 055b4d666..b039de179 100644
--- a/pdns/dnsname.cc
+++ b/pdns/dnsname.cc
@@ -80,9 +80,9 @@ void DNSName::packetParser(const char* pos, int len, int offset, bool uncompress
 
 std::string DNSName::toString(const std::string& separator, const bool trailing) const
 {
-  if (d_empty)
+  if (empty())
     return "";
-  if(d_storage.empty() && trailing)  // I keep wondering if there is some deeper meaning to the need to do this
+  if(empty() && trailing)  // I keep wondering if there is some deeper meaning to the need to do this
     return separator;
   std::string ret;
   for(const auto& s : getRawLabels()) {
@@ -93,18 +93,14 @@ std::string DNSName::toString(const std::string& separator, const bool trailing)
 
 std::string DNSName::toDNSString() const
 {
-  if (d_empty)
-    return "";
+  //  if (empty())
+  //  return "";
   string ret(d_storage.c_str(), d_storage.length());
   ret.append(1,(char)0);
   return toLower(ret); // toLower or not toLower, that is the question
   // return ret;
 }
 
-size_t DNSName::length() const {
-  return this->toString().length();
-}
-
 /**
  * Get the length of the DNSName on the wire
  *
@@ -117,7 +113,7 @@ size_t DNSName::wirelength() const {
 // are WE part of parent
 bool DNSName::isPartOf(const DNSName& parent) const
 {
-  if(parent.d_empty || d_empty)
+  if(parent.empty() || empty())
     return false;
   if(parent.d_storage.empty())
     return true;
@@ -156,7 +152,7 @@ void DNSName::makeUsRelative(const DNSName& zone)
 DNSName DNSName::labelReverse() const
 {
   DNSName ret;
-  if (!d_empty) {
+  if (!empty()) {
     vector<string> l=getRawLabels();
     while(!l.empty()) {
       ret.appendRawLabel(l.back());
@@ -244,7 +240,7 @@ void DNSName::trimToLabels(unsigned int to)
 
 bool DNSName::operator==(const DNSName& rhs) const
 {
-  if(rhs.d_empty != d_empty || rhs.d_storage.size() != d_storage.size())
+  if(rhs.empty() != empty() || rhs.d_storage.size() != d_storage.size())
     return false;
 
   auto us = d_storage.crbegin();
diff --git a/pdns/dnsname.hh b/pdns/dnsname.hh
index 92001fcc3..6bc80a9a5 100644
--- a/pdns/dnsname.hh
+++ b/pdns/dnsname.hh
@@ -27,7 +27,7 @@
 class DNSName
 {
 public:
-  DNSName() : d_empty(true) {}                 //!< Don't constructs the root name
+  DNSName() : d_empty(true) {}          //!< Constructs an *empty* DNSName, NOT the root!
   explicit DNSName(const char* p);      //!< Constructs from a human formatted, escaped presentation
   explicit DNSName(const std::string& str) : DNSName(str.c_str()) {}   //!< Constructs from a human formatted, escaped presentation
   DNSName(const char* p, int len, int offset, bool uncompress, uint16_t* qtype=0, uint16_t* qclass=0, unsigned int* consumed=0); //!< Construct from a DNS Packet, taking the first question if offset=12
@@ -48,7 +48,6 @@ public:
   DNSName labelReverse() const;
   bool isWildcard() const;
   unsigned int countLabels() const;
-  size_t length() const; // FIXME400 remove me?
   size_t wirelength() const; //!< Number of total bytes in the name
   bool empty() const { return d_empty; }
   bool isRoot() const { return !d_empty && d_storage.empty(); }
-- 
2.40.0