/usr/include/tnt/deflatestream.h is in libtntnet-dev 2.2.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 | /*
* Copyright (C) 2005 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 TNT_DEFLATESTREAM_H
#define TNT_DEFLATESTREAM_H
#include <iostream>
#include <stdexcept>
#include <zlib.h>
#include <vector>
namespace tnt
{
class DeflateError : public std::runtime_error
{
int zRet;
public:
DeflateError(int zRet_, const std::string& msg)
: std::runtime_error(msg),
zRet(zRet_)
{ }
int getRet() const { return zRet; }
};
class DeflateStreamBuf : public std::streambuf
{
z_stream stream;
std::vector<char_type> obuffer;
std::streambuf* sink;
public:
explicit DeflateStreamBuf(std::streambuf* sink_, int level = Z_DEFAULT_COMPRESSION,
unsigned bufsize = 8192);
~DeflateStreamBuf();
/// see std::streambuf
int_type overflow(int_type c);
/// see std::streambuf
int_type underflow();
/// see std::streambuf
int sync();
/// end deflate-stream
int end();
void setSink(std::streambuf* sink_) { sink = sink_; }
uLong getAdler() const { return stream.adler; }
};
class DeflateStream : public std::ostream
{
DeflateStreamBuf streambuf;
public:
explicit DeflateStream(std::streambuf* sink, int level = Z_DEFAULT_COMPRESSION)
: std::ostream(0),
streambuf(sink, level)
{ init(&streambuf); }
explicit DeflateStream(std::ostream& sink, int level = Z_DEFAULT_COMPRESSION)
: std::ostream(0),
streambuf(sink.rdbuf(), level)
{ init(&streambuf); }
void end();
void setSink(std::streambuf* sink) { streambuf.setSink(sink); }
void setSink(std::ostream& sink) { streambuf.setSink(sink.rdbuf()); }
uLong getAdler() const { return streambuf.getAdler(); }
};
}
#endif // TNT_DEFLATESTREAM_H
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