/**
* Default Initialization Function Source File
* (C) 1999-2007 Jack Lloyd
*/

#include <botan/init.h>
#include <botan/libstate.h>

namespace Botan {

/*************************************************
* Library Initialization                         *
*************************************************/
void LibraryInitializer::initialize(bool thread_safe)
   {
   try
      {
      /*
      This two stage initialization process is because Library_State's
      constructor will implicitly refer to global state through the
      allocators and so for, so global_state() has to be a valid
      reference before initialize() can be called. Yeah, gross.
      */
      set_global_state(new Library_State);

      global_state().initialize(thread_safe);
      }
   catch(...)
      {
      deinitialize();
      throw;
      }
   }

/*************************************************
* Library Shutdown                               *
*************************************************/
void LibraryInitializer::deinitialize()
   {
   set_global_state(0);
   }

}