Fixed several leaks in curl_easy

Author: JosephP91

src/curl_easy.cpp

@@ -82,22 +82,20 @@ void curl_easy::perform() {
 
 // Implementation of escape method.
 void curl_easy::escape(string &url) {
-    char *url_encoded = curl_easy_escape(this->curl,url.c_str(),(int)url.length());
-    if (url_encoded == nullptr) {
-        throw curl_easy_exception("Null pointer intercepted",__FUNCTION__);
+    std::unique_ptr<char, void(*)(char*)> url_encoded(curl_easy_escape(this->curl, url.c_str(), (int)url.length()), [](char *ptr) { curl_free(ptr); });
+    if (!url_encoded) {
+        throw curl_easy_exception("Null pointer intercepted", __FUNCTION__);
     }
-    url = string(url_encoded);
-    curl_free(url_encoded);
+    url = string(url_encoded.get());
 }
 
 // Implementation of unescape method.
 void curl_easy::unescape(string &url) {
-    char *url_decoded = curl_easy_unescape(this->curl,url.c_str(),(int)url.length(),nullptr);
+    std::unique_ptr<char,void(*)(char*)> url_decoded(curl_easy_unescape(this->curl,url.c_str(),(int)url.length(),nullptr),[](char *ptr) { curl_free(ptr); });
     if (url_decoded == nullptr) {
         throw curl_easy_exception("Null pointer intercepted",__FUNCTION__);
     }
-    url = string(url_decoded);
-    curl_free(url_decoded);
+    url = string(url_decoded.get());
 }
 
 // Implementation of reset method.

test/easy.cpp

@@ -14,6 +14,7 @@ int main() {
     // Add some options.
     easy.add<CURLOPT_URL>("http://www.google.it");
     easy.add<CURLOPT_FOLLOWLOCATION>(1L);
+    easy.add<CURLOPT_HTTP_VERSION>(2);
     try {
         // Execute the request.
         easy.perform();