Method read

example/file.hpp:120–127

    }

    std::size_t
    read( char* data, std::size_t size, boost::system::error_code& ec)
    {
        auto const nread = std::fread( data, 1, size, f_ );
        if( std::ferror(f_) )
            ec.assign( errno, boost::system::generic_category() );
        return nread;
    }

    std::size_t
    read( char* data, std::size_t size )