python/include/boost/python/detail/void_ptr.hpp at python313 · boostorg/python · GitHub

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// Copyright David Abrahams 2002.

// 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)

#ifndef VOID_PTR_DWA200239_HPP

# define VOID_PTR_DWA200239_HPP

# include <boost/python/detail/type_traits.hpp>

namespace boost { namespace python { namespace detail {

template <class U>

inline U& void_ptr_to_reference(void const volatile* p, U&(*)())

{

return *(U*)p;

}

template <class T>

inline void write_void_ptr(void const volatile* storage, void* ptr, T*)

{

*(T**)storage = (T*)ptr;

}

// writes U(ptr) into the storage

template <class U>

inline void write_void_ptr_reference(void const volatile* storage, void* ptr, U&(*)())

{

// stripping CV qualification suppresses warnings on older EDGs

typedef typename remove_cv<U>::type u_stripped;

write_void_ptr(storage, ptr, u_stripped(0));

}

}}} // namespace boost::python::detail

#endif // VOID_PTR_DWA200239_HPP

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