36 lines
1013 B
C++
36 lines
1013 B
C++
|
// 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/type_traits/remove_cv.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
|