also fill rest of string

readLib/source/Interface.boost.cc

@@ -88,7 +88,9 @@ namespace corsika_data {
   void CorDataNextText(char* data, const int maxlength) {
     std::string STR;
     CorDataNextText(STR);
-    for (int i = 0; i < maxlength && i < (int)STR.size(); ++i) data[i] = STR[i];
+    int i = 0;
+    for (; i < maxlength && i < (int)STR.size(); ++i) data[i] = STR[i];
+    for (; i < maxlength; ++i) data[i] = 0;
   }
   bool CorDataCanDeCompress() { return true; }