fix loop 2/2

src/main.cc

@@ -45,9 +45,8 @@ int main(int argc, char* argv[]) {
     const auto trie = xcdat::load<xcdat::trie_15_type>(dict_file);
 
     std::vector<std::string> substrings;
-
+    std::vector<Entry> results;
     while (!search_string.empty()) {
-        std::vector<Entry> results;
         auto itr = trie.make_prefix_iterator(search_string);
 
         while (itr.next()) {
@@ -79,9 +78,13 @@ int main(int argc, char* argv[]) {
             if (pos != std::string::npos) {
                 search_string.erase(0, pos + smallest_prefix.length());
             }
+	    else break;
 
             std::cout << search_string << std::endl;
 
+	    if (smallest_prefix.length() == 0)
+	      break;
+
             if (debug_mode) {
                 raw_output += search_string + '\n';
             }