* new StrHelper::strzcpy()

src/helpers/TxtDataHelpers.h

@@ -10,4 +10,5 @@
 class StrHelper {
 public:
   static void strncpy(char* dest, const char* src, size_t buf_sz);
+  static void strzcpy(char* dest, const char* src, size_t buf_sz);   // pads with trailing nulls
 };