catch2/fuzzing/NullOStream.h

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// Copyright Catch2 Authors
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE.txt or copy at
// https://www.boost.org/LICENSE_1_0.txt)
// SPDX-License-Identifier: BSL-1.0
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#pragma once
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#include <ostream>
#include <streambuf>
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// from https://stackoverflow.com/a/8244052
class NullStreambuf : public std::streambuf {
char dummyBuffer[64];
protected:
virtual int overflow(int c) override final;
};
class NullOStream final : private NullStreambuf, public std::ostream {
public:
NullOStream() : std::ostream(this) {}
NullStreambuf *rdbuf() { return this; }
virtual void avoidOutOfLineVirtualCompilerWarning();
};