Ticket #2557: boost-bug.cpp

#include <cstdlib>
#include <fstream>
#include <iostream>

#include <boost/iostreams/filtering_stream.hpp>
#include <boost/iostreams/filter/gzip.hpp>

struct exited
{
        ~exited() {
                std::cout << "dtors finished";
        }
};

int main(int argc, char** argv)
{
        exited x;
        if (argc < 3) {
                std::cout << "Usage: " << argv[0] << " file bytes\n";
                return 1;
        }
        std::ofstream ofs(argv[1], std::ios_base::binary);
        boost::iostreams::filtering_stream<boost::iostreams::output> filter;
        filter.push(boost::iostreams::gzip_compressor(boost::iostreams::gzip_params()));
        filter.push(ofs);
        int bytes = atoi(argv[2]);
        char *data = new char[bytes];
        srand(0); //fill with random data that won't get gzipped to a few bytes
        for (int i = 0; i < bytes - 1; ++i) {
                data[i] = rand() % 254 + 1;
        }
        data[bytes - 1] = 0;
        filter << data;
        delete[] data;
        std::cout << "main ended ";
}