--- a/Core/HttpClient.cpp	Fri Jun 17 17:09:50 2016 +0200
+++ b/Core/HttpClient.cpp	Sat Jun 18 10:05:47 2016 +0200
@@ -298,7 +298,7 @@
   }
 
 
-  static size_t CurlCallback(void *buffer, size_t size, size_t nmemb, void *payload)
+  static size_t CurlBodyCallback(void *buffer, size_t size, size_t nmemb, void *payload)
   {
     std::string& target = *(static_cast<std::string*>(payload));
 
@@ -331,7 +331,7 @@
       throw OrthancException(ErrorCode_NotEnoughMemory);
     }
 
-    CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_WRITEFUNCTION, &CurlCallback));
+    CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_WRITEFUNCTION, &CurlBodyCallback));
     CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_HEADER, 0));
     CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_FOLLOWLOCATION, 1));
 
@@ -436,7 +436,7 @@
   }
 
 
-  bool HttpClient::Apply(std::string& answer)
+  bool HttpClient::ApplyInternal(std::string& answer)
   {
     answer.clear();
     CheckCode(curl_easy_setopt(pimpl_->curl_, CURLOPT_URL, url_.c_str()));
@@ -635,6 +635,12 @@
   }
 
 
+  bool HttpClient::Apply(std::string& answer)
+  {
+    return ApplyInternal(answer);
+  }
+
+
   bool HttpClient::Apply(Json::Value& answer)
   {
     std::string s;

--- a/Core/HttpClient.h	Fri Jun 17 17:09:50 2016 +0200
+++ b/Core/HttpClient.h	Sat Jun 18 10:05:47 2016 +0200
@@ -69,6 +69,8 @@
     void operator= (const HttpClient&);  // Assignment forbidden
     HttpClient(const HttpClient& base);  // Copy forbidden
 
+    bool ApplyInternal(std::string& answer);
+
   public:
     HttpClient();