Re: [Boost-users] boost zlib problem on linux (works fine onwindows)

Subject: Re: [Boost-users] boost zlib problem on linux (works fine onwindows)
From: ChristinaDRS (mail_at_[hidden])
Date: 2009-09-22 14:31:58

Hey Steven,

Can you post example code to do this?

I'm very new to boost!

Thanks,
Christina

>>Try calling flush on the streambuf.

>>In Christ,
>>Steven Watanabe

ChristinaDRS wrote:
> This code works fine on Windows, but I get the exception when running in
> linux.. any ideas why? The code, how its compiled, and error are below:
>  
> #include <iostream>
> #include <sstream>
> #include <boost/iostreams/copy.hpp>
> #include <boost/iostreams/device/back_inserter.hpp>
> #include <boost/iostreams/filter/bzip2.hpp>
> #include <boost/iostreams/filter/zlib.hpp>
> #include <boost/iostreams/filtering_stream.hpp>
> using namespace std;
>
> int main()
> {
>         string message = "this is a test message!";
>         cout << "message: " << message << endl;
>         string compressed;
>         boost::iostreams::filtering_streambuf<boost::iostreams::output>
> out;
>         out.push(boost::iostreams::zlib_compressor());
>         out.push(boost::iostreams::back_inserter(compressed));
>         boost::iostreams::copy(boost::make_iterator_range(message), out);
>         cout << "compressed message: " << compressed << endl;
>
>         boost::iostreams::filtering_streambuf<boost::iostreams::input> in;
>         in.push(boost::iostreams::zlib_decompressor());
>         in.push(boost::make_iterator_range(compressed));
>         string decompressed;
>         boost::iostreams::copy(in, 
>         boost::iostreams::back_inserter(decompressed));
>         cout << "decompressed message: " << decompressed << endl;
> }
>
>
> # g++ zlib.cpp zlib_test2.cpp -o zlib_test2 -lz
> # ./zlib_test2
> message: this is a test message!
> compressed message:
> terminate called after throwing an instance of 
> 'boost::iostreams::zlib_error'
>   what():  zlib error
> Aborted
> #
>   

Try calling flush on the streambuf.

In Christ,
Steven Watanabe

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