Hi all,
It's the first time I tried multi_index and format. I have to say that
they are so powerful that I love them from the beginning!
Nonetheless, when I enabled /Wp64 on my MSVC71 compiler, the headers
gave me a lot of problems regarding possible pointer truncations (and
sometimes default c'tor problems). The relevant warnings are something
like the following:
==== snip =====
..\..\..\boost-1.x\include\boost-1_34\boost\multi_index\detail\ord_index_node.hpp(129)
: warning C4312: 'type cast' : conversion from
'boost::multi_index::detail::uintptr_type' to 'void *' of greater size
..\..\..\boost-1.x\include\boost-1_34\boost\multi_index\detail\ord_index_node.hpp(134)
: warning C4311: 'type cast' : pointer truncation from 'void *' to
'boost::multi_index::detail::uintptr_type'
..\..\..\boost-1.x\include\boost-1_34\boost\multi_index\detail\ord_index_node.hpp(161)
: warning C4312: 'type cast' : conversion from 'const
boost::multi_index::detail::uintptr_type' to 'void *' of greater size
..\..\..\boost-1.x\include\boost-1_34\boost\multi_index\detail\ord_index_node.hpp(509)
: warning C4610: struct
'boost::multi_index::detail::ordered_index_node_impl' can never be
instantiated - user defined constructor required
..\..\..\boost-1.x\include\boost-1_34\boost\multi_index\detail\ord_index_node.hpp(512)
: warning C4510:
'boost::multi_index::detail::ordered_index_node_trampoline<Super>' :
default constructor could not be generated
..\..\..\boost-1.x\include\boost-1_34\boost\multi_index\detail\ord_index_node.hpp(562)
: warning C4510: 'boost::multi_index::detail::ordered_index_node<Super>'
: default constructor could not be generated
===== snip =====
===== snip <format> =====
..\..\..\boost-1.x\include\boost-1_34\boost\format\alt_sstream_impl.hpp(110)
: warning C4244: 'argument' : conversion from
'boost::io::basic_altstringbuf::off_type' to 'int',
possible loss of data
..\..\..\boost-1.x\include\boost-1_34\boost\format\feed_args.hpp(98) :
warning C4244: 'argument' : conversion from 'const
stlpd_std::iterator_traits<_Iterator>::difference_type' to 'int',
possible loss of data
..\..\..\boost-1.x\include\boost-1_34\boost\format\feed_args.hpp(53) :
warning C4244: 'argument' : conversion from 'stlpd_std::streamsize' to
'stlpd_std::basic_string<_CharT,_Traits,_Alloc>::size_type', possible
loss of data
===== snip =====
So I just wonder if both of these libraries have any plan on considering
this issue? I really love these libraries, and I want to integrate them
into our future product. But if the 64-bit portability issues are not
solved, I'm afraid I'll have some problem pursuading the managers.
Cheers,
Freddie
--
Wu Yinghui, Freddie
Research & Development
Software Engineer
Volume Interactions Pte Ltd
1 Kim Seng Promenade, #12-01
Great World City East Tower
Singapore 237994
Tel: +65 62226962 (Ext 216)
Fax: +65 62226215
Email: yhwu@volumeinteractions.com
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