| 1 | // Copyright Peter Dimov and David Abrahams 2002. |
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| 2 | // Distributed under the Boost Software License, Version 1.0. (See |
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| 3 | // accompanying file LICENSE_1_0.txt or copy at |
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| 4 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 5 | #ifndef GET_POINTER_DWA20021219_HPP |
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| 6 | #define GET_POINTER_DWA20021219_HPP |
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| 7 | |
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| 8 | #include <boost/config.hpp> |
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| 9 | |
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| 10 | // In order to avoid circular dependencies with Boost.TR1 |
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| 11 | // we make sure that our include of <memory> doesn't try to |
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| 12 | // pull in the TR1 headers: that's why we use this header |
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| 13 | // rather than including <memory> directly: |
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| 14 | #include <boost/config/no_tr1/memory.hpp> // std::auto_ptr |
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| 15 | |
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| 16 | namespace boost { |
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| 17 | |
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| 18 | // get_pointer(p) extracts a ->* capable pointer from p |
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| 19 | |
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| 20 | template<class T> T * get_pointer(T * p) |
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| 21 | { |
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| 22 | return p; |
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| 23 | } |
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| 24 | |
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| 25 | // get_pointer(shared_ptr<T> const & p) has been moved to shared_ptr.hpp |
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| 26 | |
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| 27 | #if !defined( BOOST_NO_AUTO_PTR ) |
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| 28 | |
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| 29 | #if defined( __GNUC__ ) && (defined( __GXX_EXPERIMENTAL_CXX0X__ ) || (__cplusplus >= 201103L)) |
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| 30 | #if defined( BOOST_GCC ) |
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| 31 | #if BOOST_GCC >= 40600 |
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| 32 | #define BOOST_CORE_DETAIL_DISABLE_LIBSTDCXX_DEPRECATED_WARNINGS |
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| 33 | #endif // BOOST_GCC >= 40600 |
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| 34 | #elif defined( __clang__ ) && defined( __has_warning ) |
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| 35 | #if __has_warning("-Wdeprecated-declarations") |
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| 36 | #define BOOST_CORE_DETAIL_DISABLE_LIBSTDCXX_DEPRECATED_WARNINGS |
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| 37 | #endif // __has_warning("-Wdeprecated-declarations") |
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| 38 | #endif |
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| 39 | #endif // defined( __GNUC__ ) && (defined( __GXX_EXPERIMENTAL_CXX0X__ ) || (__cplusplus >= 201103L)) |
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| 40 | |
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| 41 | #if defined( BOOST_CORE_DETAIL_DISABLE_LIBSTDCXX_DEPRECATED_WARNINGS ) |
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| 42 | // Disable libstdc++ warnings about std::auto_ptr being deprecated in C++11 mode |
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| 43 | #pragma GCC diagnostic push |
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| 44 | #pragma GCC diagnostic ignored "-Wdeprecated-declarations" |
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| 45 | #define BOOST_CORE_DETAIL_DISABLED_DEPRECATED_WARNINGS |
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| 46 | #endif |
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| 47 | |
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| 48 | template<class T> T * get_pointer(std::auto_ptr<T> const& p) |
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| 49 | { |
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| 50 | return p.get(); |
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| 51 | } |
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| 52 | |
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| 53 | #if defined( BOOST_CORE_DETAIL_DISABLE_LIBSTDCXX_DEPRECATED_WARNINGS ) |
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| 54 | #pragma GCC diagnostic pop |
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| 55 | #undef BOOST_CORE_DETAIL_DISABLE_LIBSTDCXX_DEPRECATED_WARNINGS |
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| 56 | #endif |
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| 57 | |
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| 58 | #endif // !defined( BOOST_NO_AUTO_PTR ) |
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| 59 | |
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| 60 | #if !defined( BOOST_NO_CXX11_SMART_PTR ) |
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| 61 | |
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| 62 | template<class T> T * get_pointer( std::unique_ptr<T> const& p ) |
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| 63 | { |
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| 64 | return p.get(); |
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| 65 | } |
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| 66 | |
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| 67 | template<class T> T * get_pointer( std::shared_ptr<T> const& p ) |
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| 68 | { |
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| 69 | return p.get(); |
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| 70 | } |
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| 71 | |
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| 72 | #endif |
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| 73 | |
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| 74 | } // namespace boost |
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| 75 | |
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| 76 | #endif // GET_POINTER_DWA20021219_HPP |
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| 77 | |
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