From 8879d0cbc1289c842272aa6867625f418ad062f5 Mon Sep 17 00:00:00 2001
From: John Maddock <john@johnmaddock.co.uk>
Date: Tue, 6 Aug 2013 08:30:33 +0000
Subject: [PATCH] Fix deserialization when limb size is larger than that of the
 original archive.

[SVN r85220]
---
 include/boost/multiprecision/cpp_int/serialize.hpp | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/include/boost/multiprecision/cpp_int/serialize.hpp b/include/boost/multiprecision/cpp_int/serialize.hpp
index faea5eba..44378fa8 100644
--- a/include/boost/multiprecision/cpp_int/serialize.hpp
+++ b/include/boost/multiprecision/cpp_int/serialize.hpp
@@ -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;