make sure that makeDNSName parses "." correctly as root

2018-10-15 09:28:36 +02:00 · 2018-10-15 09:28:36 +02:00 · 022b1b2347
commit 022b1b2347
parent b2c9d5ea94
1 changed files with 3 additions and 0 deletions
--- a/tdns/dns-storage.cc
+++ b/tdns/dns-storage.cc
@ -34,6 +34,9 @@ DNSName operator+(const DNSName& a, const DNSName& b)
 DNSName makeDNSName(const std::string& str)
 {
  DNSName ret;
+  if(str==".")
+    return ret;
+
  string part;
  for(const auto& c: str) {
    if(c=='.') {