The attached code works fine with version 1.33.1 but generates memory leaks with 1.34.0. Not sure it's a bug in Serialization or Iostreams. Compiler: Visual Studio 2005 SP1 Thanks, Ying http://www.lw-works.com - Clipboard Recorder #include <cstdlib> //#include <boost/array.hpp> #include <boost/archive/text_oarchive.hpp> #include <boost/archive/text_iarchive.hpp> //#include <boost/serialization/deque.hpp> #include <boost/iostreams/categories.hpp> #include <boost/iostreams/filter/zlib.hpp> #include <boost/iostreams/filtering_stream.hpp> #include <boost/iostreams/concepts.hpp> // sink, source #include <boost/iostreams/stream.hpp> #include <vector> #if _MSC_VER # ifdef _DEBUG # include <crtdbg.h> # ifndef new # define new new(_NORMAL_BLOCK, __FILE__, __LINE__) # endif # ifndef malloc # define malloc(size) _malloc_dbg(size, _NORMAL_BLOCK, __FILE__, __LINE__) # endif # endif #endif namespace cmn{ namespace iostreams{ template<typename Container> class container_sink { public: typedef typename Container::value_type char_type; typedef boost::iostreams::sink_tag category; container_sink(Container& container) : container_(container) { } std::streamsize write(const char_type* s, std::streamsize n) { container_.insert(container_.end(), s, s + n); return n; } Container& container() { return container_; } private: Container& container_; }; // class container_sink }} // namespace cmn::iostreams namespace cmn{ namespace iostreams{ template<typename Container> class container_source { public: typedef typename Container::value_type char_type; typedef boost::iostreams::source_tag category; container_source(Container& container) : container_(container), pos_(0) { } std::streamsize read(char_type* s, std::streamsize n) { using namespace std; streamsize amt = static_cast<streamsize>(container_.size() - pos_); streamsize result = (min)(n, amt); if (result != 0) { std::copy( container_.begin() + pos_, container_.begin() + pos_ + result, s ); pos_ += result; return result; } else { return -1; // EOF } } Container& container() { return container_; } private: typedef typename Container::size_type size_type; Container& container_; size_type pos_; }; // class container_source }} // namespace cmn::iostreams namespace cmn{ template<class T, class Container> bool compress_object(Container& v, const T& o) { typedef cmn::iostreams::container_sink<Container> sink; boost::iostreams::stream<sink> outs(v); boost::iostreams::filtering_stream<boost::iostreams::output> fs; fs.push(boost::iostreams::zlib_compressor()); fs.push(outs); boost::archive::text_oarchive oa(fs); oa << o; return true; } template<class T, class Container> bool decompress_object(const Container& v, T& o) { //ASSERT(v.size()); if(!v.size()) return false; typedef cmn::iostreams::container_source<const Container> source; boost::iostreams::stream<source> ins(v); boost::iostreams::filtering_stream<boost::iostreams::input> fs; fs.push(boost::iostreams::zlib_decompressor()); fs.push(ins); boost::archive::text_iarchive ia(fs); ia >> o; return true; } } // namespace cmn int main() { _CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | /*_CRTDBG_CHECK_ALWAYS_DF | _CRTDBG_CHECK_CRT_DF | */_CRTDBG_LEAK_CHECK_DF); std::string data; std::vector<char> buf; cmn::compress_object(buf, data); cmn::decompress_object(buf, data); return 0; }