[Boost-sandbox-cvs] boost-sandbox/boost deconstruct_ptr.hpp, 1.2, 1.3

[Frank M. H. <fm...@us...>]

Update of /cvsroot/boost-sandbox/boost-sandbox/boost
In directory sc8-pr-cvs3.sourceforge.net:/tmp/cvs-serv11998

Modified Files:
	deconstruct_ptr.hpp 
Log Message:
Handle null pointers gracefully.



Index: deconstruct_ptr.hpp
===================================================================
RCS file: /cvsroot/boost-sandbox/boost-sandbox/boost/deconstruct_ptr.hpp,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -d -r1.2 -r1.3
--- deconstruct_ptr.hpp	7 Feb 2007 18:14:48 -0000	1.2
+++ deconstruct_ptr.hpp	20 Feb 2007 00:40:44 -0000	1.3
@@ -50,6 +50,7 @@
   template<typename T>
   shared_ptr<T> deconstruct_ptr(T *ptr)
   {
+    if(ptr == 0) return shared_ptr<T>();
     shared_ptr<T> shared(ptr, boost::predestructing_deleter<T>());
     deconstruct_detail::do_postconstruct(ptr);
     return shared;
@@ -57,6 +58,7 @@
   template<typename T, typename D>
   shared_ptr<T> deconstruct_ptr(T *ptr, D deleter)
   {
+    if(ptr == 0) return shared_ptr<T>();
     shared_ptr<T> shared(ptr, deleter);
     deconstruct_detail::do_postconstruct(ptr);
     return shared;