[Boost-bugs] [Boost C++ Libraries] #8963: Warnings from binary archives

Subject: [Boost-bugs] [Boost C++ Libraries] #8963: Warnings from binary archives
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2013-08-04 17:47:21

#8963: Warnings from binary archives
-------------------------------------+---------------------------
 Reporter:  johnmaddock              |      Owner:  ramey
     Type:  Bugs                     |     Status:  new
Milestone:  To Be Determined         |  Component:  serialization
  Version:  Boost Development Trunk  |   Severity:  Problem
 Keywords:                           |
-------------------------------------+---------------------------
 Simply #including:

 #include <boost/archive/binary_iarchive.hpp>
 #include <boost/archive/binary_oarchive.hpp>

 Is sufficient to generate several pages of msvc warnings:

 {{{
 1>d:\data\boost\trunk\boost\archive\basic_binary_iprimitive.hpp(181):
 warning C4244: 'argument' : conversion from 'std::streamsize' to 'size_t',
 possible loss of data
 1>
 d:\data\boost\trunk\boost\archive\basic_binary_iprimitive.hpp(152) : while
 compiling class template member function 'void
 boost::archive::basic_binary_iprimitive<Archive,Elem,Tr>::load_binary(void
 *,size_t)'
 1>          with
 1>          [
 1>              Archive=boost::archive::naked_binary_iarchive,
 1>              Elem=char,
 1>              Tr=std::char_traits<char>
 1>          ]
 1>          d:\data\boost\trunk\boost\archive\detail\iserializer.hpp(362)
 : see reference to function template instantiation 'void
 boost::archive::load_access::load_primitive<Archive,T>(Archive &,T &)'
 being compiled
 1>          with
 1>          [
 1>              Archive=boost::archive::naked_binary_iarchive,
 1>              T=boost::archive::object_id_type
 1>          ]
 1>          d:\data\boost\trunk\boost\archive\detail\iserializer.hpp(439)
 : see reference to function template instantiation 'void
 boost::archive::detail::load_non_pointer_type<Archive>::load_primitive::invoke<T>(Archive
 &,T &)' being compiled
 1>          with
 1>          [
 1>              Archive=boost::archive::naked_binary_iarchive,
 1>              T=boost::archive::object_id_type
 1>          ]
 1>          d:\data\boost\trunk\boost\archive\detail\iserializer.hpp(592)
 : see reference to function template instantiation 'void
 boost::archive::detail::load_non_pointer_type<Archive>::invoke<T>(Archive
 &,T &)' being compiled
 1>          with
 1>          [
 1>              Archive=boost::archive::naked_binary_iarchive,
 1>              T=boost::archive::object_id_type
 1>          ]
 1>
 d:\data\boost\trunk\boost\archive\detail\common_iarchive.hpp(66) : see
 reference to function template instantiation 'void
 boost::archive::load<Archive,T>(Archive &,T &)' being compiled
 1>          with
 1>          [
 1>              Archive=boost::archive::naked_binary_iarchive,
 1>              T=boost::archive::object_id_type
 1>          ]
 1>
 d:\data\boost\trunk\boost\archive\basic_binary_iarchive.hpp(70) : see
 reference to function template instantiation 'void
 boost::archive::detail::common_iarchive<Archive>::load_override<T>(T
 &,int)' being compiled
 1>          with
 1>          [
 1>              Archive=boost::archive::naked_binary_iarchive,
 1>              T=boost::archive::object_id_type
 1>          ]
 1>          d:\data\boost\trunk\boost\archive\binary_iarchive_impl.hpp(50)
 : see reference to function template instantiation 'void
 boost::archive::basic_binary_iarchive<Archive>::load_override<T>(T &,int)'
 being compiled
 1>          with
 1>          [
 1>              Archive=boost::archive::naked_binary_iarchive,
 1>              T=boost::archive::object_id_type
 1>          ]
 1>
 d:\data\boost\trunk\boost\archive\detail\interface_iarchive.hpp(60) : see
 reference to function template instantiation 'void
 boost::archive::binary_iarchive_impl<Archive,Elem,Tr>::load_override<T>(T
 &,int)' being compiled
 1>          with
 1>          [
 1>              Archive=boost::archive::naked_binary_iarchive,
 1>              Elem=char,
 1>              Tr=std::char_traits<char>,
 1>              T=boost::archive::object_id_type
 1>          ]
 1>
 d:\data\boost\trunk\boost\archive\detail\common_iarchive.hpp(48) : see
 reference to function template instantiation 'Archive
 &boost::archive::detail::interface_iarchive<Archive>::operator
 >><boost::archive::object_id_type>(T &)' being compiled
 1>          with
 1>          [
 1>              Archive=boost::archive::naked_binary_iarchive,
 1>              T=boost::archive::object_id_type
 1>          ]
 1>
 d:\data\boost\trunk\boost\archive\detail\common_iarchive.hpp(47) : while
 compiling class template member function 'void
 boost::archive::detail::common_iarchive<Archive>::vload(boost::archive::object_id_type
 &)'
 1>          with
 1>          [
 1>              Archive=boost::archive::naked_binary_iarchive
 1>          ]
 1>
 d:\data\boost\trunk\boost\archive\basic_binary_iarchive.hpp(52) : see
 reference to class template instantiation
 'boost::archive::detail::common_iarchive<Archive>' being compiled
 1>          with
 1>          [
 1>              Archive=boost::archive::naked_binary_iarchive
 1>          ]
 1>          d:\data\boost\trunk\boost\archive\binary_iarchive_impl.hpp(36)
 : see reference to class template instantiation
 'boost::archive::basic_binary_iarchive<Archive>' being compiled
 1>          with
 1>          [
 1>              Archive=boost::archive::naked_binary_iarchive
 1>          ]
 1>          d:\data\boost\trunk\boost\archive\binary_iarchive.hpp(42) :
 see reference to class template instantiation
 'boost::archive::binary_iarchive_impl<Archive,Elem,Tr>' being compiled
 1>          with
 1>          [
 1>              Archive=boost::archive::naked_binary_iarchive,
 1>              Elem=char,
 1>              Tr=std::char_traits<char>
 1>          ]
 1>d:\data\boost\trunk\boost\archive\basic_binary_iprimitive.hpp(181):
 warning C4244: 'argument' : conversion from 'std::streamsize' to 'size_t',
 possible loss of data
 1>
 d:\data\boost\trunk\boost\archive\basic_binary_iprimitive.hpp(152) : while
 compiling class template member function 'void
 boost::archive::basic_binary_iprimitive<Archive,Elem,Tr>::load_binary(void
 *,size_t)'
 1>          with
 1>          [
 1>              Archive=boost::archive::binary_iarchive,
 1>              Elem=char,
 1>              Tr=std::char_traits<char>
 1>          ]
 1>          d:\data\boost\trunk\boost\archive\detail\iserializer.hpp(362)
 : see reference to function template instantiation 'void
 boost::archive::load_access::load_primitive<Archive,T>(Archive &,T &)'
 being compiled
 1>          with
 1>          [
 1>              Archive=boost::archive::binary_iarchive,
 1>              T=boost::archive::object_id_type
 1>          ]
 1>          d:\data\boost\trunk\boost\archive\detail\iserializer.hpp(439)
 : see reference to function template instantiation 'void
 boost::archive::detail::load_non_pointer_type<Archive>::load_primitive::invoke<T>(Archive
 &,T &)' being compiled
 1>          with
 1>          [
 1>              Archive=boost::archive::binary_iarchive,
 1>              T=boost::archive::object_id_type
 1>          ]
 1>          d:\data\boost\trunk\boost\archive\detail\iserializer.hpp(592)
 : see reference to function template instantiation 'void
 boost::archive::detail::load_non_pointer_type<Archive>::invoke<T>(Archive
 &,T &)' being compiled
 1>          with
 1>          [
 1>              Archive=boost::archive::binary_iarchive,
 1>              T=boost::archive::object_id_type
 1>          ]
 1>
 d:\data\boost\trunk\boost\archive\detail\common_iarchive.hpp(66) : see
 reference to function template instantiation 'void
 boost::archive::load<Archive,T>(Archive &,T &)' being compiled
 1>          with
 1>          [
 1>              Archive=boost::archive::binary_iarchive,
 1>              T=boost::archive::object_id_type
 1>          ]
 1>
 d:\data\boost\trunk\boost\archive\basic_binary_iarchive.hpp(70) : see
 reference to function template instantiation 'void
 boost::archive::detail::common_iarchive<Archive>::load_override<T>(T
 &,int)' being compiled
 1>          with
 1>          [
 1>              Archive=boost::archive::binary_iarchive,
 1>              T=boost::archive::object_id_type
 1>          ]
 1>          d:\data\boost\trunk\boost\archive\binary_iarchive_impl.hpp(50)
 : see reference to function template instantiation 'void
 boost::archive::basic_binary_iarchive<Archive>::load_override<T>(T &,int)'
 being compiled
 1>          with
 1>          [
 1>              Archive=boost::archive::binary_iarchive,
 1>              T=boost::archive::object_id_type
 1>          ]
 1>
 d:\data\boost\trunk\boost\archive\detail\interface_iarchive.hpp(60) : see
 reference to function template instantiation 'void
 boost::archive::binary_iarchive_impl<Archive,Elem,Tr>::load_override<T>(T
 &,int)' being compiled
 1>          with
 1>          [
 1>              Archive=boost::archive::binary_iarchive,
 1>              Elem=char,
 1>              Tr=std::char_traits<char>,
 1>              T=boost::archive::object_id_type
 1>          ]
 1>
 d:\data\boost\trunk\boost\archive\detail\common_iarchive.hpp(48) : see
 reference to function template instantiation 'Archive
 &boost::archive::detail::interface_iarchive<Archive>::operator
 >><boost::archive::object_id_type>(T &)' being compiled
 1>          with
 1>          [
 1>              Archive=boost::archive::binary_iarchive,
 1>              T=boost::archive::object_id_type
 1>          ]
 1>
 d:\data\boost\trunk\boost\archive\detail\common_iarchive.hpp(47) : while
 compiling class template member function 'void
 boost::archive::detail::common_iarchive<Archive>::vload(boost::archive::object_id_type
 &)'
 1>          with
 1>          [
 1>              Archive=boost::archive::binary_iarchive
 1>          ]
 1>
 d:\data\boost\trunk\boost\archive\basic_binary_iarchive.hpp(52) : see
 reference to class template instantiation
 'boost::archive::detail::common_iarchive<Archive>' being compiled
 1>          with
 1>          [
 1>              Archive=boost::archive::binary_iarchive
 1>          ]
 1>          d:\data\boost\trunk\boost\archive\binary_iarchive_impl.hpp(36)
 : see reference to class template instantiation
 'boost::archive::basic_binary_iarchive<Archive>' being compiled
 1>          with
 1>          [
 1>              Archive=boost::archive::binary_iarchive
 1>          ]
 1>          d:\data\boost\trunk\boost\archive\binary_iarchive.hpp(76) :
 see reference to class template instantiation
 'boost::archive::binary_iarchive_impl<Archive,Elem,Tr>' being compiled
 1>          with
 1>          [
 1>              Archive=boost::archive::binary_iarchive,
 1>              Elem=char,
 1>              Tr=std::char_traits<char>
 1>          ]
 }}}

 The attached patch fixes the warning.

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/8963>
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