36 lines
1013 B
C++
36 lines
1013 B
C++
// Copyright David Abrahams 2002.
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef VOID_PTR_DWA200239_HPP
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# define VOID_PTR_DWA200239_HPP
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# include <boost/type_traits/remove_cv.hpp>
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namespace boost { namespace python { namespace detail {
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template <class U>
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inline U& void_ptr_to_reference(void const volatile* p, U&(*)())
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{
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return *(U*)p;
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}
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template <class T>
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inline void write_void_ptr(void const volatile* storage, void* ptr, T*)
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{
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*(T**)storage = (T*)ptr;
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}
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// writes U(ptr) into the storage
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template <class U>
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inline void write_void_ptr_reference(void const volatile* storage, void* ptr, U&(*)())
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{
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// stripping CV qualification suppresses warnings on older EDGs
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typedef typename remove_cv<U>::type u_stripped;
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write_void_ptr(storage, ptr, u_stripped(0));
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}
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}}} // namespace boost::python::detail
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#endif // VOID_PTR_DWA200239_HPP
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