Fix subscript[0] bug in net.cpp if GetGroup returns a 0-sized vector

bitcoin · e0451e3e2af64cc975dd76389dc3ea4f8b9c2a62 · JeremyRubin committed Feb 19, 2017 · Feb 19, 2017 · e0451e3
1 parent 1d4805c
commit e0451e3e2af64cc975dd76389dc3ea4f8b9c2a62
Unified Split

Showing with 1 addition and 1 deletion.

+1 −1 src/net.cpp
diff --git a/src/net.cpp b/src/net.cpp
@@ -2876,5 +2876,5 @@ uint64_t CConnman::CalculateKeyedNetGroup(const CAddress& ad) const
 {
     std::vector<unsigned char> vchNetGroup(ad.GetGroup());
 
-    return GetDeterministicRandomizer(RANDOMIZER_ID_NETGROUP).Write(&vchNetGroup[0], vchNetGroup.size()).Finalize();
+    return GetDeterministicRandomizer(RANDOMIZER_ID_NETGROUP).Write(vchNetGroup.data(), vchNetGroup.size()).Finalize();
 }