c,cpp: add msgpack_vrefbuffer_migrate, msgpack::vrefbuffer::migrate

1 files changed, 7 insertions, 0 deletions

diff --git a/cpp/vrefbuffer.hpp b/cpp/vrefbuffer.hpp
index 549d77f..c8eca7b 100644
--- a/cpp/vrefbuffer.hpp
+++ b/cpp/vrefbuffer.hpp
@@ -71,6 +71,13 @@ public:
 		return msgpack_vrefbuffer_veclen(this);
 	}
 
+	void migrate(vrefbuffer* to)
+	{
+		if(msgpack_vrefbuffer_migrate(this, to) < 0) {
+			throw std::bad_alloc();
+		}
+	}
+
 private:
 	typedef msgpack_vrefbuffer base;