boost/iostreams/detail/add_facet.hpp

   1 // (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
   2 // (C) Copyright 2003-2007 Jonathan Turkanis
   3 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   4 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)
   5
   6 // See http://www.boost.org/libs/iostreams for documentation.
   7
   8 // Borrowed from <boost/archive/add_facet.hpp>
   9
  10 #ifndef BOOST_IOSTREAMS_DETAIL_ADD_FACET_HPP_INCLUDED
  11 #define BOOST_IOSTREAMS_DETAIL_ADD_FACET_HPP_INCLUDED
  12
  13 #if defined(_MSC_VER) && (_MSC_VER >= 1020)
  14 # pragma once
  15 #endif
  16
  17 #include <boost/config.hpp>  // BOOST_DINKUMWARE_STDLIB.
  18 #include <boost/detail/workaround.hpp>
  19
  20 //------------------Definition of add_facet-----------------------------------//
  21
  22 // Does STLport uses old Dinkumware locale?
  23 #if (defined(__SGI_STL_PORT) || defined(_STLPORT_VERSION)) && \
  24     defined(_STLP_NO_OWN_IOSTREAMS) \
  25     /**/
  26 #  if (defined(_YVALS) && !defined(__IBMCPP__)) || defined(_CPPLIB_VER)
  27 #    define BOOST_IOSTREMS_STLPORT_WITH_OLD_DINKUMWARE
  28 #  endif
  29 #endif
  30
  31 namespace boost { namespace iostreams { namespace detail {
  32
  33 template<class Facet>
  34 inline std::locale add_facet(const std::locale &l, Facet * f)
  35 {
  36     return
  37         #if BOOST_WORKAROUND(BOOST_DINKUMWARE_STDLIB, == 1) || \
  38             defined(BOOST_IOSTREMS_STLPORT_WITH_OLD_DINKUMWARE) \
  39             /**/
  40             std::locale(std::_Addfac(l, f));
  41         #else
  42             // standard compatible
  43             std::locale(l, f);
  44         #endif
  45 }
  46
  47 } } } // End namespaces detail, iostreams, boost.
  48
  49 #endif // #ifndef BOOST_IOSTREAMS_DETAIL_ADD_FACET_HPP_INCLUDED