индивидуальный вариант

main.cpp

@@ -42,7 +42,6 @@ write_data(void* items, size_t item_size, size_t item_count, void* ctx){
     size_t data_size = item_count * item_size;
     stringstream* buffer = reinterpret_cast<stringstream*>(ctx);
     char* item = reinterpret_cast<char *>(items);
-    //buffer.write(items, data_size);
     buffer->write(item, data_size);
     return data_size;
 }
@@ -57,8 +56,8 @@ download(const string& address){
             curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
             curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
             res = curl_easy_perform(curl);
-            curl_easy_cleanup(curl);
             if (res != 0){
+                cerr << curl_version_info(CURLVERSION_NOW) << endl;
                 cerr << curl_easy_strerror(res) << endl;
                 exit(1);
             }
@@ -74,29 +73,15 @@ main(int argc, char* argv[])
 {
     curl_global_init(CURL_GLOBAL_ALL);
     Input input;
-    /*
-    if (argc > 1){
-        CURL* curl = curl_easy_init();
-        if(curl) {
-            CURLcode res;
-            curl_easy_setopt(curl, CURLOPT_URL, argv[1]);
-            res = curl_easy_perform(curl);
-            curl_easy_cleanup(curl);
-            if (res != 0){
-                cerr << curl_easy_strerror(res) << endl;
-                exit(1);
-            }
-        }
-        curl_easy_cleanup(curl);
-    }*/
     if (argc > 1){
         input = download(argv[1]);
     }
     else{
         input = input_data(cin, true);
     }
-    //auto in = input_data(cin, true);
     const auto bins = make_histogram(input.numbers, input.bin_count);
     show_histogram_svg(bins);
+    cerr << "cURL version " << curl_version_info(CURLVERSION_NOW) << endl;
+    //cerr << SSLeay_version(SSLEAY_VERSION) << endl;
     return 0;
 }