[Boost-commit] svn:boost r60270 - trunk/boost/serialization

Subject: [Boost-commit] svn:boost r60270 - trunk/boost/serialization
From: ramey_at_[hidden]
Date: 2010-03-06 21:38:53

Author: ramey
Date: 2010-03-06 21:38:52 EST (Sat, 06 Mar 2010)
New Revision: 60270
URL: http://svn.boost.org/trac/boost/changeset/60270

Log:
Limit class versions to 8 bits
Text files modified: 
   trunk/boost/serialization/version.hpp |    12 +++++++++++-                            
   1 files changed, 11 insertions(+), 1 deletions(-)

Modified: trunk/boost/serialization/version.hpp
==============================================================================
--- trunk/boost/serialization/version.hpp	(original)
+++ trunk/boost/serialization/version.hpp	2010-03-06 21:38:52 EST (Sat, 06 Mar 2010)
@@ -23,7 +23,6 @@
 #include <boost/mpl/integral_c_tag.hpp>
 
 #include <boost/type_traits/is_base_and_derived.hpp>
-//#include <boost/serialization/traits.hpp>
 
 namespace boost { 
 namespace serialization {
@@ -67,8 +66,19 @@
 //#include <boost/serialization/level.hpp>
 //#include <boost/mpl/equal_to.hpp>
 
+#include <boost/mpl/assert.hpp>
+#include <boost/mpl/less.hpp>
+#include <boost/mpl/comparison.hpp>
+
 // specify the current version number for the class
+// version numbers limited to 8 bits !!!
 #define BOOST_CLASS_VERSION(T, N)                                      \
+BOOST_MPL_ASSERT((                                                     \
+    boost::mpl::less<                                                  \
+        boost::mpl::int_<N>,                                           \
+        boost::mpl::int_<256>                                          \
+    >                                                                  \
+));                                                                    \
 namespace boost {                                                      \
 namespace serialization {                                              \
 template<>                                                             \