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-rw-r--r--indexlib/boost-compat/checked_delete.hpp69
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+#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 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
+ {
+ // boost:: disables ADL
+ boost::checked_delete(x);
+ }
+};
+
+template<class T> struct checked_array_deleter
+{
+ typedef void result_type;
+ typedef T * argument_type;
+
+ void operator()(T * x) const
+ {
+ boost::checked_array_delete(x);
+ }
+};
+
+} // namespace boost
+
+#endif // #ifndef BOOST_CHECKED_DELETE_HPP_INCLUDED