/usr/include/lttoolbox-3.3/lttoolbox/compression.h is in lttoolbox-dev 3.3.3~r68466-2.
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) 2005 Universitat d'Alacant / Universidad de Alicante
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _COMPRESSION_
#define _COMPRESSION_
#include <cstdio>
#include <string>
#include <iostream>
using namespace std;
/**
* Clase "Compression".
* Class methods to access compressed data by the byte-aligned method
*/
class Compression
{
private:
/**
* Writing a byte
* @param byte char to write.
* @param output output stream.
*/
static void writeByte(unsigned char byte, FILE *output);
/**
* Readinging a byte
* @param input input stream
* @return the value of the next byte in the input
*/
static unsigned char readByte(FILE *input);
public:
/**
* Encodes an integer value and writes it into the output stream
* @see multibyte_read()
* @param value integer to write.
* @param output output stream.
*/
static void multibyte_write(unsigned int value, FILE *output);
/**
* Encodes an integer value and writes it into the output stream
* @see multibyte_read()
* @param value integer to write.
* @param output output stream.
*/
static void multibyte_write(unsigned int value, ostream &os);
/**
* Read and decode an integer from the input stream.
* @see multibyte_read()
* @param input input stream.
* @return the integer value readed.
*/
static unsigned int multibyte_read(FILE *input);
/**
* Read and decode an integer from the input stream.
* @see multibyte_read()
* @param input input stream.
* @return the integer value readed.
*/
static unsigned int multibyte_read(istream &is);
/**
* This method allows to write a wide string to an output stream
* using its UCSencoding as integer.
* @see wstring_read()
* @param str the string to write.
* @param output the output stream.
*/
static void wstring_write(wstring const &str, FILE *output);
/**
* This method reads a wide string from the input stream.
* @see wstring_write()
* @param input the input stream.
* @return the wide string read.
*/
static wstring wstring_read(FILE *input);
/**
* This method allows to write a plain string to an output stream
* using its UCSencoding as integer.
* @see string_read()
* @param str the string to write.
* @param output the output stream.
*/
static void string_write(string const &str, FILE *output);
/**
* This method reads a plain string from the input stream.
* @see string_write()
* @param input the input stream.
* @return the string read.
*/
static string string_read(FILE *input);
};
#endif
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