Ticket #6440: boostcrash.cpp

#include <iomanip>
#include <boost/regex/pending/object_cache.hpp>
#include <boost/thread.hpp>
#include <string>

using namespace std;
using namespace boost;

// Characters for generating a random string.
const char chars[] =
    "0123456789!@#$%^&*ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";

// Append random stuff to a string so that we have a random one every time.
void appendRandomStuff(string& str)
{
    char* randies = new char[10];
    for (int i = 0; i < 9; ++i) {
        randies[i] = chars[rand() % 69];
    }
    randies[9] = '\0';

    str.append(randies);

    delete[] randies;
}

// Loop over object_cache.
void worker()
{
    while(true)
    {
        string str = string("Hello ");
        appendRandomStuff(str);

        object_cache<string, string>::get(str, 5);
    }
}

int main(int argc, char* argv[])
{
    boost::thread threads[10];
    for (int i = 0; i< 10; i++)
    {
        threads[i] = boost::thread(worker);
    }

    // And now we wait.
    threads[0].join();

    return 0;
}