/usr/include/simgear/misc/zfstream.hxx is in libsimgear-dev 3.4.0-3.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 | /**
* \file zfstream.hxx
* A C++ I/O streams interface to the zlib gz* functions.
*/
// Written by Bernie Bright, 1998
// Based on zlib/contrib/iostream/ by Kevin Ruland <kevin@rodin.wustl.edu>
//
// Copyright (C) 1998 Bernie Bright - bbright@c031.aone.net.au
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// 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
// Library General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
#ifndef _zfstream_hxx
#define _zfstream_hxx
#include <simgear/compiler.h>
#include <zlib.h>
#include <streambuf>
#include <istream>
#define ios_openmode std::ios_base::openmode
#define ios_in std::ios_base::in
#define ios_out std::ios_base::out
#define ios_app std::ios_base::app
#define ios_binary std::ios_base::binary
#define ios_seekdir std::ios_base::seekdir
#define ios_badbit std::ios_base::badbit
#define ios_failbit std::ios_base::failbit
/**
* A C++ I/O streams interface to the zlib gz* functions.
*/
#ifdef SG_NEED_STREAMBUF_HACK
class gzfilebuf : public __streambuf {
typedef __streambuf parent;
#else
class gzfilebuf : public std::streambuf {
typedef std::streambuf parent;
#endif
public:
/** Constructor */
gzfilebuf();
/** Destructor */
virtual ~gzfilebuf();
/**
* Open a stream
* @param name file name
* @param io_mode mode flags
* @return file stream
*/
gzfilebuf* open( const char* name, ios_openmode io_mode );
/**
* Attach to an existing file descriptor
* @param file_descriptor file descriptor
* @param io_mode mode flags
* @return file stream
*/
gzfilebuf* attach( int file_descriptor, ios_openmode io_mode );
/** Close stream */
gzfilebuf* close();
int setcompressionlevel( int comp_level );
int setcompressionstrategy( int comp_strategy );
/** @return true if open, false otherwise */
bool is_open() const { return (file != NULL); }
/** @return stream position */
virtual std::streampos seekoff( std::streamoff off, ios_seekdir way, ios_openmode which );
/** sync the stream */
virtual int sync();
protected:
virtual int_type underflow();
virtual int_type overflow( int_type c = parent::traits_type::eof() );
bool out_waiting();
char* base() {return obuffer;}
int blen() {return obuf_size;}
char allocate();
private:
int_type flushbuf();
int fillbuf();
// Convert io_mode to "rwab" string.
void cvt_iomode( char* mode_str, ios_openmode io_mode );
private:
gzFile file;
ios_openmode mode;
bool own_file_descriptor;
// Get (input) buffer.
int ibuf_size;
char* ibuffer;
// Put (output) buffer.
int obuf_size;
char* obuffer;
enum { page_size = 65536 };
private:
// Not defined
gzfilebuf( const gzfilebuf& );
void operator= ( const gzfilebuf& );
};
/**
* document me
*/
struct gzifstream_base
{
gzifstream_base() {}
gzfilebuf gzbuf;
};
/**
* document me too
*/
struct gzofstream_base
{
gzofstream_base() {}
gzfilebuf gzbuf;
};
#endif // _zfstream_hxx
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