Short program demonstrating bug in boost containers.

Boost_container_problem.cpp

#include <boost/interprocess/containers/vector.hpp>
#include <boost/interprocess/containers/string.hpp>
#include <boost/interprocess/managed_shared_memory.hpp>
#include <iostream>

template <class T>
struct VectorShm
{
    typedef boost::interprocess::allocator<T, boost::interprocess::managed_shared_memory::segment_manager> Allocator;
    typedef boost::interprocess::vector<T, Allocator> Type;
};

typedef boost::interprocess::basic_string<char, std::char_traits<char>, boost::interprocess::allocator<char, boost::interprocess::managed_shared_memory::segment_manager> > StringShm;

typedef VectorShm<StringShm>::Type StringVectorShm;


int main()
{
    using namespace boost::interprocess;

    //Create a managed shared memory segment
    managed_shared_memory segment(open_or_create, "MySharedMemory", 65536);

    StringVectorShm v(segment.get_segment_manager());
    {
        StringShm str("OnRevokedRegistration", segment.get_segment_manager());
        v.push_back(str);
    }

    {
        StringShm str("OnCompletedRegistration", segment.get_segment_manager());;
        v.push_back(str);
    }

    {
        StringShm str("OnCreateRequest", segment.get_segment_manager());;
        v.push_back(str);
    }

    {
        StringShm str("OnUpdateRequest", segment.get_segment_manager());;
        v.push_back(str);
    }

    bool error = false;
    for(auto& s : v)
    {
        if (strlen(s.c_str()) != s.size())
        {
            std::cout << "Incorrectly terminated string '" << s.c_str() << "'\n"
                      << "  size() is " << s.size()
                      << "\n  but strlen is " << strlen(s.c_str()) << std::endl;
            error = true;
        }
    }
    
    shared_memory_object::remove("MySharedMemory");

    if (error)
    {
        std::cout << "Found incorrectly copied/moved string!" << std::endl;
    }
    else
    {
        std::cout << "Failed to reproduce error, sorry..." << std::endl;
    }
    return 0;
}

CMakeLists.txt

cmake_minimum_required(VERSION 2.8)

SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthread -std=c++11")

ADD_EXECUTABLE(container_problem Boost_container_problem.cpp)

TARGET_LINK_LIBRARIES(container_problem rt)

https://svn.boost.org/trac/boost/ticket/9855