afdb330d54
Use this stream when you want a straight code path, but also be able to disable output at will.
21 lines
660 B
C++
21 lines
660 B
C++
// Copyright (C) 2013 Uni Research AS
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// This file is licensed under the GNU General Public License v3.0
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#include <opm/core/utility/NullStream.hpp>
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#include <ostream>
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#include <streambuf>
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// buffer that ignores everything
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// see <http://forums.codeguru.com/showthread.php?460071-ostream-bit-bucket>
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struct NullBuf : public std::streambuf {};
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static NullBuf null_buf_impl;
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// link the stream up to the black hole buffer
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struct NullStream : public std::ostream {
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NullStream () : std::ostream (&null_buf_impl) {}
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};
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// create a singleton and point the reference to it
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static NullStream null_stream_impl;
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std::ostream& Opm::null_stream = null_stream_impl;
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