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// Copied from http://stackoverflow.com/questions/8243743/is-there-a-null-stdostream-implementation-in-c-or-libraries

#pragma once

#include <iostream>
#include <streambuf>

namespace pdal
{

class NullStreambuf : public std::streambuf
{
    char dummyBuffer[64];
protected:
    virtual int overflow(int c)
    {
        setp(dummyBuffer, dummyBuffer + sizeof(dummyBuffer));
        return (c == traits_type::eof()) ? '\0' : c;
    }
};

class NullOStream : private NullStreambuf, public std::ostream
{
public:
    NullOStream() : std::ostream(this)
        {}
    NullStreambuf* rdbuf() const
        { return const_cast<NullOStream *>(this); }
};

} // namespace