last before var

main.cpp

@@ -15,6 +15,17 @@ struct Input
     size_t bin_count{};
 };
 
+size_t
+write_data(void* items, size_t item_size, size_t item_count, void* ctx)
+{
+    size_t data_size = item_size * item_count;
+
+    stringstream* buffer = reinterpret_cast<stringstream*>(ctx);
+    buffer->write(reinterpret_cast<const char*>(items), data_size);
+
+    return data_size;
+}
+
 Input
 input_data(istream& in, bool prompt)
 {
@@ -52,6 +63,8 @@ download(const string& address) {
             cout << curl_easy_strerror(res);
             exit(1);
             }
+        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, &buffer);
+
         curl_easy_cleanup(curl);
     }
     return input_data(buffer, false);