// Copyright 2014 Renato Tegon Forti, Antony Polukhin. // Copyright 2015-2019 Antony Polukhin. // // 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 BOOST_STACKTRACE_DETAIL_VOID_PTR_CAST_HPP #define BOOST_STACKTRACE_DETAIL_VOID_PTR_CAST_HPP #include #ifdef BOOST_HAS_PRAGMA_ONCE # pragma once #endif #include #include #if defined(__GNUC__) && defined(__GNUC_MINOR__) && (__GNUC__ * 100 + __GNUC_MINOR__ > 301) # pragma GCC system_header #endif namespace boost { namespace stacktrace { namespace detail { // GCC warns when reinterpret_cast between function pointer and object pointer occur. // This functionsuppress the warnings and ensures that such casts are safe. template To void_ptr_cast(From* v) BOOST_NOEXCEPT { BOOST_STATIC_ASSERT_MSG( boost::is_pointer::value, "`void_ptr_cast` function must be used only for casting to or from void pointers." ); BOOST_STATIC_ASSERT_MSG( sizeof(From*) == sizeof(To), "Pointer to function and pointer to object differ in size on your platform." ); return reinterpret_cast(v); } }}} // boost::stacktrace::detail #endif // BOOST_STACKTRACE_DETAIL_VOID_PTR_CAST_HPP