From b51965dddbed68f23c5e8c169c23c794313ce5f6 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 28 Jun 2011 17:17:23 +0200
Subject: Add boost subset as an implementation detail

---
 cutl/details/boost/checked_delete.hpp | 69 +++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 cutl/details/boost/checked_delete.hpp

(limited to 'cutl/details/boost/checked_delete.hpp')

diff --git a/cutl/details/boost/checked_delete.hpp b/cutl/details/boost/checked_delete.hpp
new file mode 100644
index 0000000..dc2ef66
--- /dev/null
+++ b/cutl/details/boost/checked_delete.hpp
@@ -0,0 +1,69 @@
+#ifndef BOOST_CHECKED_DELETE_HPP_INCLUDED
+#define BOOST_CHECKED_DELETE_HPP_INCLUDED
+
+// MS compatible compilers support #pragma once
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+//
+//  boost/checked_delete.hpp
+//
+//  Copyright (c) 2002, 2003 Peter Dimov
+//  Copyright (c) 2003 Daniel Frey
+//  Copyright (c) 2003 Howard Hinnant
+//
+//  Distributed under the Boost Software License, Version 1.0. (See
+//  accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt)
+//
+//  See http://www.boost.org/libs/utility/checked_delete.html for documentation.
+//
+
+namespace cutl_details_boost
+{
+
+// verify that types are complete for increased safety
+
+template<class T> inline void checked_delete(T * x)
+{
+    // intentionally complex - simplification causes regressions
+    typedef char type_must_be_complete[ sizeof(T)? 1: -1 ];
+    (void) sizeof(type_must_be_complete);
+    delete x;
+}
+
+template<class T> inline void checked_array_delete(T * x)
+{
+    typedef char type_must_be_complete[ sizeof(T)? 1: -1 ];
+    (void) sizeof(type_must_be_complete);
+    delete [] x;
+}
+
+template<class T> struct checked_deleter
+{
+    typedef void result_type;
+    typedef T * argument_type;
+
+    void operator()(T * x) const
+    {
+        // cutl_details_boost:: disables ADL
+        cutl_details_boost::checked_delete(x);
+    }
+};
+
+template<class T> struct checked_array_deleter
+{
+    typedef void result_type;
+    typedef T * argument_type;
+
+    void operator()(T * x) const
+    {
+        cutl_details_boost::checked_array_delete(x);
+    }
+};
+
+} // namespace cutl_details_boost
+
+#endif  // #ifndef BOOST_CHECKED_DELETE_HPP_INCLUDED
-- 
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