[Boost-commit] svn:boost r39470 - trunk/boost/intrusive

From: igaztanaga_at_[hidden]
Date: 2007-09-22 02:15:23

Author: igaztanaga
Date: 2007-09-22 02:15:21 EDT (Sat, 22 Sep 2007)
New Revision: 39470
URL: http://svn.boost.org/trac/boost/changeset/39470

Log:
Sign extension bug. Not should be applied after the constant has been expanded to size_t. Thanks to Glenn Schrader.
Text files modified: 
   trunk/boost/intrusive/pointer_plus_bit.hpp |     2 +-                                      
   1 files changed, 1 insertions(+), 1 deletions(-)

Modified: trunk/boost/intrusive/pointer_plus_bit.hpp
==============================================================================
--- trunk/boost/intrusive/pointer_plus_bit.hpp	(original)
+++ trunk/boost/intrusive/pointer_plus_bit.hpp	2007-09-22 02:15:21 EDT (Sat, 22 Sep 2007)
@@ -54,7 +54,7 @@
    typedef T*        pointer;
 
    static pointer get_pointer(pointer n)
-   {  return pointer(std::size_t(n) & std::size_t(~1u));  }
+   {  return pointer(std::size_t(n) & ~std::size_t(1u));  }
 
    static void set_pointer(pointer &n, pointer p)
    {