boost gzip_compressor and gzip_decompressor

boost, c++, gzip

Solution

I've found out a way of this problem. Here is the working code.

Compressing part

std::string compressedString;
{
    filtering_ostream compressingStream;
    compressingStream.push(boost::iostreams::gzip_compressor(gzip_params(gzip::best_compression)));
    compressingStream.push(boost::iostreams::back_inserter(compressedString));
    compressingStream << stringToBeCompressed;
    boost::iostreams::close(compressingStream);
}

Decompressing part

std::string decompressedString;
{
    boost::iostreams::filtering_ostream decompressingStream;
    decompressingStream.push(boost::iostreams::gzip_decompressor());
    decompressingStream.push(boost::iostreams::back_inserter(decompressedString));
    decompressingStream << stringToBeDecompressed;
    boost::iostreams::close(decompressingStream);
}

Problem

I'm using `boost`'s `gzip_compressor` and 'gzip_decompressor' for compressing some string. I'm compressing string like this ``` string compressedString; { filtering_ostream out; out.push(gzip_compressor(gzip_params(gzip::best_compression))); out.push(boost::iostreams::back_inserter(compressedString)); out.write(stringToBeCompressed.c_str(), stringToBeCompressed.size()); } ``` It works fine, but I can't to decompress it. Here is my code ``` std::string decompressedString; { filtering_ostream out; out.push(gzip_decompressor()); out.push(boost::iostreams::back_inserter(decompressedString)); out.write(compressedString.c_str(), compressedString.size()); } ``` What am I doing wrong? Thank you in advance!

Original source