/usr/include/cxxtools/hdstream.h is in libcxxtools-dev 2.2.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2003 Tommi Maekitalo
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* As a special exception, you may use this file as part of a free
* software library without restriction. Specifically, if other files
* instantiate templates or use macros or inline functions from this
* file, or you compile this file and link it with other files to
* produce an executable, this file does not by itself cause the
* resulting executable to be covered by the GNU General Public
* License. This exception does not however invalidate any other
* reasons why the executable file might be covered by the GNU Library
* General Public License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef CXXTOOLS_HDSTREAM_H
#define CXXTOOLS_HDSTREAM_H
#include <iostream>
#include <string>
#include <sstream>
namespace cxxtools
{
class Hdstreambuf : public std::streambuf
{
static const unsigned BUFFERSIZE = 16;
std::streambuf::int_type overflow(std::streambuf::int_type ch);
std::streambuf::int_type underflow();
int sync();
char Buffer[BUFFERSIZE];
std::streambuf* Dest;
unsigned offset;
public:
Hdstreambuf(std::streambuf* dest)
: Dest(dest),
offset(0)
{
setp(Buffer, Buffer + BUFFERSIZE);
}
unsigned getOffset() const { return offset; }
void setOffset(unsigned offset_) { offset = offset_; }
};
/**
hexdumper as a outputstream.
Data written to a hdostream are passed as a hexdump to the given sink.
*/
class Hdostream : public std::ostream
{
typedef std::ostream base_class;
Hdstreambuf streambuf;
public:
Hdostream()
: base_class(0),
streambuf(std::cout.rdbuf())
{
init(&streambuf);
}
Hdostream(std::ostream& out)
: base_class(0),
streambuf(out.rdbuf())
{
init(&streambuf);
}
unsigned getOffset() const { return streambuf.getOffset(); }
void setOffset(unsigned offset_) { streambuf.setOffset(offset_); }
};
template <typename T>
void hexDump(std::ostream& out, const T& t)
{
Hdostream hd(out);
hd << t << std::flush;
}
template <typename T>
std::string hexDump(const T& t)
{
std::ostringstream out;
Hdostream hd(out);
hd << t << std::flush;
return out.str();
}
inline std::string hexDump(const char* p, unsigned n)
{
std::ostringstream out;
Hdostream hd(out);
hd.write(p, n);
hd.flush();
return out.str();
}
}
#endif // CXXTOOLS_HDSTREAM_H
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