--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Core/SharedLibrary.h	Fri Jan 05 10:10:07 2018 +0100
@@ -0,0 +1,82 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017-2018 Osimis S.A., Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * In addition, as a special exception, the copyright holders of this
+ * program give permission to link the code of its release with the
+ * OpenSSL project's "OpenSSL" library (or with modified versions of it
+ * that use the same license as the "OpenSSL" library), and distribute
+ * the linked executables. You must obey the GNU General Public License
+ * in all respects for all of the code used other than "OpenSSL". If you
+ * modify file(s) with this exception, you may extend this exception to
+ * your version of the file(s), but you are not obligated to do so. If
+ * you do not wish to do so, delete this exception statement from your
+ * version. If you delete this exception statement from all source files
+ * in the program, then also delete it here.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#pragma once
+
+#if !defined(ORTHANC_SANDBOXED)
+#  error The macro ORTHANC_SANDBOXED must be defined
+#endif
+
+#if ORTHANC_SANDBOXED == 1
+#  error The namespace SystemToolbox cannot be used in sandboxed environments
+#endif
+
+#if defined(_WIN32)
+#include <windows.h>
+#endif
+
+#include <string>
+#include <boost/noncopyable.hpp>
+
+namespace Orthanc
+{
+  class SharedLibrary : public boost::noncopyable
+  {
+  public:
+#if defined(_WIN32)
+    typedef FARPROC FunctionPointer;
+#else
+    typedef void* FunctionPointer;
+#endif
+
+  private:
+    std::string path_;
+    void *handle_;
+
+    FunctionPointer GetFunctionInternal(const std::string& name);
+
+  public:
+    explicit SharedLibrary(const std::string& path);
+
+    ~SharedLibrary();
+
+    const std::string& GetPath() const
+    {
+      return path_;
+    }
+
+    bool HasFunction(const std::string& name);
+
+    FunctionPointer GetFunction(const std::string& name);
+  };
+}