/usr/include/msgpack/v1/fbuffer.hpp is in libmsgpack-dev 2.1.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// MessagePack for C++ FILE* buffer adaptor
//
// Copyright (C) 2013 Vladimir Volodko
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef MSGPACK_V1_FBUFFER_HPP
#define MSGPACK_V1_FBUFFER_HPP
#include "msgpack/v1/fbuffer_decl.hpp"
#include <cstdio>
#include <stdexcept>
namespace msgpack {
/// @cond
MSGPACK_API_VERSION_NAMESPACE(v1) {
/// @endcond
class fbuffer {
public:
explicit fbuffer(FILE* file) : m_file(file) { }
public:
void write(const char* buf, unsigned int len)
{
if (1 != fwrite(buf, len, 1, m_file)) {
throw std::runtime_error("fwrite() failed");
}
}
FILE* file() const
{
return m_file;
}
#if defined(MSGPACK_USE_CPP03)
private:
fbuffer(const fbuffer&);
fbuffer& operator=(const fbuffer&);
#else // defined(MSGPACK_USE_CPP03)
fbuffer(const fbuffer&) = delete;
fbuffer& operator=(const fbuffer&) = delete;
#endif // defined(MSGPACK_USE_CPP03)
private:
FILE* m_file;
};
/// @cond
} // MSGPACK_API_VERSION_NAMESPACE(v1)
/// @endcond
} // namespace msgpack
#endif // MSGPACK_V1_FBUFFER_HPP
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