Re: [boost] [Serialization] Bizarre bug

From: Robert Ramey (ramey_at_[hidden])
Date: 2006-08-19 20:33:55

Bizarre indeed - I'll look into it.

Robert Ramey

Jarl Lindrud wrote:
> Hi,
>
> RCF, a C++ middleware framework, supports using Boost Serialization
> for serialization of data structures. One of my user's reported a
> serialization bug to me, which I finally boiled down into the
> following piece of code:
>
>
> #include <sstream>
> #include <string>
> #include <vector>
>
> #include <boost/archive/text_iarchive.hpp>
> #include <boost/archive/text_oarchive.hpp>
> #include <boost/serialization/vector.hpp>
>
> template<typename Archive>
> struct X
> {
>    template<typename T>
>    void operator<<(const T &t)
>    {
>        Archive &archive = (*(Archive *) NULL);
>        archive << t;
>    }
> };
>
> void dummy()
> {
>    typedef boost::archive::text_oarchive Archive;
>    X<Archive> &x = * (X<Archive> *) NULL;
>    std::vector<char> *pt = NULL;
>
>    // uncomment this line to cause the test to fail
>    //x << pt;
> }
>
> int main(int argc, char* argv[])
> {
>    std::vector<char> v0(25, '%');
>    std::vector<char> v1;
>
>    std::ostringstream ostr;
>    boost::archive::text_oarchive(ostr) & v0;
>
>    std::istringstream istr(ostr.str());
>    boost::archive::text_iarchive(istr) & v1;
>
>    bool ok = (v0 == v1);
>    return 0;
> }
>
>
> I find this odd, to say the least! I've tried it on Visual C++ 7.1,
> using boost
> 1.33.0 and 1.33.1.
>
> Regards,
> Jarl.
>
> http://www.codeproject.com/threads/Rcf_Ipc_For_Cpp.asp
>
>
>
>
>
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