code: вариант 9

main.cpp

@@ -46,12 +46,15 @@ size_t write_data(void* items, size_t item_size, size_t item_count, void* ctx)
 }
 
 Input
-download(const string& address) {
-stringstream buffer;
+download(const string& address)
+{
+    stringstream buffer;
     CURL *curl = curl_easy_init();
     if(curl)
     {
         CURLcode res;
+        curl_version_info_data *ver = curl_version_info(CURLVERSION_NOW);
+        curl_version_info_data *version = curl_version_info(CURLVERSION_NOW);
         curl_easy_setopt(curl, CURLOPT_URL, address.c_str());
         curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
         curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
@@ -61,9 +64,16 @@ stringstream buffer;
             fprintf(stderr, "curl_easy_perform() failed: %s\n",curl_easy_strerror(res));
             exit(1);
         }
-        curl_easy_cleanup(curl);
-
+        else
+        {
+            fprintf(stderr,"libcurl version %u.%u.%u\n",
+                   (ver->version_num >> 16) & 0xff,
+                   (ver->version_num >> 8) & 0xff,
+                   ver->version_num & 0xff);
+            cerr << "OpenSSL version " << version->ssl_version << endl;
+        }
     }
+    curl_easy_cleanup(curl);
     return input_data(buffer, false);
 }
 
@@ -71,14 +81,18 @@ stringstream buffer;
 
 
 int
-main(int argc, char* argv[]) {
+main(int argc, char* argv[])
+{
     Input input;
-    if (argc > 1) {
+    if (argc > 1)
+    {
         input = download(argv[1]);
-    } else {
+    }
+    else
+    {
         input = input_data(cin, true);
     }
 
-     const auto bins = make_histogram(input.numbers, input.bin_count);
+    const auto bins = make_histogram(input.numbers, input.bin_count);
     show_histogram_svg(bins);
 }