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Fix deserialization when limb size is larger than that of the original archive.

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[SVN r85220]
This commit is contained in:
John Maddock
2013-08-06 08:30:33 +00:00
parent 07369c61a2
commit 8879d0cbc1
1 changed files with 5 additions and 4 deletions
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9
include/boost/multiprecision/cpp_int/serialize.hpp
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@@ -55,11 +55,12 @@ void do_serialize(Archive& ar, Int& val, mpl::false_ const&, mpl::false_ const&,
for(std::size_t i = 0; i < limb_count; ++i)
{
pl[i] = 0;
for(std::size_t j = 0; j < sizeof(limb_type); ++j)
for(std::size_t j = 0; (j < sizeof(limb_type)) && byte_count; ++j)
{
unsigned char byte;
ar & byte;
pl[i] |= static_cast<limb_type>(byte) << (j * CHAR_BIT);
--byte_count;
}
}
if(s != val.sign())
@@ -99,9 +100,9 @@ void do_serialize(Archive& ar, Int& val, mpl::false_ const&, mpl::true_ const&,
bool s;
typename Int::local_limb_type l = 0;
ar & s;
std::size_t limb_count;
ar & limb_count;
for(std::size_t i = 0; i < limb_count; ++i)
std::size_t byte_count;
ar & byte_count;
for(std::size_t i = 0; i < byte_count; ++i)
{
unsigned char b;
ar & b;