Обработка ошибок

main.cpp

@@ -37,13 +37,15 @@ Input input_data(istream& in, bool prompt) {
 int main(int argc, char* argv[]) {
     curl_global_init(CURL_GLOBAL_ALL);
     if (argc > 1) {
-        for (size_t i = 0; i < argc; i++) {
-            cerr << "argv [" << i << "] = " << argv[i];
         CURL* curl = curl_easy_init();
           if(curl) {
             CURLcode res;
             curl_easy_setopt(curl, CURLOPT_URL, argv[1]);
             res = curl_easy_perform(curl);
+        if (res != CURLE_OK){
+                cerr << curl_easy_strerror(res);
+                exit(1);
+            }
             curl_easy_cleanup(curl);
         }
     }