_kit_w32_privmacro.h

#ifndef _KIT_W32_PRIVMACRO_H
#define _KIT_W32_PRIVMACRO_H



//relies on label "_error_" and integer value "returnStatus"
#if !defined(_IS_ERROR)
#  define _IS_ERROR(_value,_before_goto) \
          { returnStatus=_value; _before_goto; goto _error_; }
#endif /* _IS_ERROR */
#if !defined(_IF_ERROR)
#  define _IF_ERROR(_condition,_value,_before_goto) \
          if(_condition) _IS_ERROR(_value,_before_goto);
#endif /* _IF_ERROR */


//relies on label "_error_"
#if !defined(_IF_GOTO)
#  define _IF_GOTO(_condition,_label,_before_goto) \
          if(_condition){ _before_goto; goto _label; }
#endif /* _IF_GOTO */
#if !defined(_IF_GOTO_ERROR)
#  define _IF_GOTO_ERROR(_condition,_before_goto) \
          _IF_GOTO(_condition,_error_,_before_goto)
#endif /* _IF_GOTO_ERROR */


//relies on ULONG variable "numRefs" (value initialized to 1)
#if !defined(_KIT_COM_RELEASE)
#  define _KIT_COM_RELEASE(_object) \
          while(numRefs){ numRefs=_object->Release(); } \
          numRefs=1;
#endif /* _KIT_COM_RELEASE */
#if !defined(_KIT_COM_RELEASE_S)
#  define _KIT_COM_RELEASE_S(_object) \
          if(_object != NULL){ _KIT_COM_RELEASE(_object) }
#endif /* _KIT_COM_RELEASE_S */


#if !defined(_KIT_COM_CALL)
#  define _KIT_COM_CALL(_object,_method) \
          _object->_method();
#endif /* _KIT_COM_CALL */
#if !defined(_KIT_COM_CALL_S)
#  define _KIT_COM_CALL_S(_object,_method) \
          if(_object != NULL){ _KIT_COM_CALL(_object,_method) }
#endif /* _KIT_COM_CALL_S */
#if !defined(_KIT_COM_CALLEQ_S)
#  define _KIT_COM_CALLEQ_S(_var,_object,_method) \
          if(_object != NULL){ _var=_KIT_COM_CALL(_object,_method) }
#endif /* _KIT_COM_CALLEQ_S */



#endif /* _KIT_W32_PRIVMACRO_H */