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fixed container size serialization in LLP64

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This commit is contained in:
joaquintides 2023-05-22 13:26:17 +02:00
parent 3ad3171006
commit 343cb4c6f3
2 changed files with 21 additions and 6 deletions
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9
doc/release_notes.html
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@ -78,6 +78,13 @@ Acknowledgements
of equivalent elements
(<a href="https://github.com/boostorg/multi_index/issues/68">issue #68</a>).
</li>
<li>Serialization now uses <code>std::size_t</code> instead of <code>unsigned long</code>
to save and load the size of a <code>multi_index_container</code>
(<code>unsigned long</code> is smaller than <code>std::size_t</code> in LLP64 data models).
<code>multi_index_container</code> serialization
<a href="../../serialization/doc/tutorial.html#versioning">class version</a> has been
bumped from 3 to 4 to reflect this change.
</li>
</ul>
</p>
@ -786,7 +793,7 @@ Acknowledgements
<br>
<p>Revised May 21st 2023</p>
<p>Revised May 22nd 2023</p>
<p>&copy; Copyright 2003-2023 Joaqu&iacute;n M L&oacute;pez Mu&ntilde;oz.
Distributed under the Boost Software

18
include/boost/multi_index_container.hpp
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@ -1119,7 +1119,7 @@ BOOST_MULTI_INDEX_PROTECTED_IF_MEMBER_TEMPLATE_FRIENDS:
template<class Archive>
void save(Archive& ar,const unsigned int version)const
{
const unsigned long s(size_());
const std::size_t s(size_());
const detail::serialization_version<value_type> value_version;
ar<<core::make_nvp("count",s);
ar<<core::make_nvp("value_version",value_version);
@ -1143,25 +1143,31 @@ BOOST_MULTI_INDEX_PROTECTED_IF_MEMBER_TEMPLATE_FRIENDS:
BOOST_MULTI_INDEX_CHECK_INVARIANT;
clear_();
unsigned long s;
std::size_t s;
detail::serialization_version<value_type> value_version;
if(version<1){
std::size_t sz;
ar>>core::make_nvp("count",sz);
s=static_cast<unsigned long>(sz);
s=static_cast<std::size_t>(sz);
}
else if(version<3){
#if defined(BOOST_MULTI_INDEX_ENABLE_SERIALIZATION_COMPATIBILITY_V2)
serialization::collection_size_type csz;
ar>>core::make_nvp("count",csz);
s=static_cast<unsigned long>(csz);
s=static_cast<std::size_t>(csz);
#else
ar>>core::make_nvp("count",s);
#endif
}
else if(version<4){
unsigned long ul;
ar>>core::make_nvp("count",ul);
s=static_cast<std::size_t>(ul);
}
else{
ar>>core::make_nvp("count",s);
}
if(version<2){
value_version=0;
}
@ -1569,6 +1575,8 @@ void swap(
* class version = 3 : dropped boost::serialization::collection_size_type
* in favor of unsigned long --this allows us to provide serialization
* support without including any header from Boost.Serialization.
* class version = 4 : uses std::size_t rather than unsigned long (which
* is smaller in LLP64 data models).
*/
namespace serialization {
@ -1577,7 +1585,7 @@ struct version<
boost::multi_index_container<Value,IndexSpecifierList,Allocator>
>
{
BOOST_STATIC_CONSTANT(int,value=3);
BOOST_STATIC_CONSTANT(int,value=4);
};
} /* namespace serialization */
#endif