errors founding

main.cpp

@@ -46,6 +46,11 @@ main(int argc, char* argv[])
         CURLcode res;
         curl_easy_setopt(curl, CURLOPT_URL, argv[1]);
         res = curl_easy_perform(curl);
+        if (res != 0)
+            {
+            cout << curl_easy_strerror(res);
+            exit(1);
+            }
         curl_easy_cleanup(curl);
     }
     return 0;