X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=include%2Fbabeltrace%2Ftypes.h;fp=include%2Fbabeltrace%2Ftypes.h;h=12b35f602445698b99e544c7919dbe3b3e8fda9f;hp=9f71793a1b4b095f73f60bf2132e6a2083daec90;hb=005f1204d7620018bb2c1406b6194940f0ee119f;hpb=25f741168b45db9dd975136cfd3f66dbd9af39d0

diff --git a/include/babeltrace/types.h b/include/babeltrace/types.h
index 9f71793a..12b35f60 100644
--- a/include/babeltrace/types.h
+++ b/include/babeltrace/types.h
@@ -25,6 +25,15 @@
 
 #include <stdint.h>
 
+/* Internal use */
+#ifdef __cplusplus
+# define __BT_UPCAST(_type, _p)		static_cast<_type *>(static_cast<void *>(_p))
+# define __BT_UPCAST_CONST(_type, _p)	static_cast<const _type *>(static_cast<const void *>(_p))
+#else
+# define __BT_UPCAST(_type, _p)		((_type *) (_p))
+# define __BT_UPCAST_CONST(_type, _p)	((const _type *) (_p))
+#endif
+
 #ifdef __cplusplus
 extern "C" {
 #endif