Disk ARchive: slice_layout.hpp Source File

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slice_layout.hpp
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1/*********************************************************************/
2// dar - disk archive - a backup/restoration program
3// Copyright (C) 2002-2025 Denis Corbin
4//
5// This program is free software; you can redistribute it and/or
6// modify it under the terms of the GNU General Public License
7// as published by the Free Software Foundation; either version 2
8// of the License, or (at your option) any later version.
9//
10// This program is distributed in the hope that it will be useful,
11// but WITHOUT ANY WARRANTY; without even the implied warranty of
12// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13// GNU General Public License for more details.
14//
15// You should have received a copy of the GNU General Public License
16// along with this program; if not, write to the Free Software
17// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18//
19// to contact the author, see the AUTHOR file
20/*********************************************************************/
21
25
26
27#ifndef SLICE_LAYOUT_HPP
28#define SLICE_LAYOUT_HPP
29
30#include <string>
31#include <set>
32
33#include "../my_config.h"
34#include "infinint.hpp"
35#include "generic_file.hpp"
36
37namespace libdar
38{
41
42 class slice_layout
43 {
44 public:
45 slice_layout() { clear(); };
46 slice_layout(const slice_layout & ref) = default;
47 slice_layout(slice_layout && ref) noexcept = default;
48 slice_layout & operator = (const slice_layout & ref) = default;
49 slice_layout & operator = (slice_layout && ref) noexcept = default;
50 ~slice_layout() = default;
51
52 // field still exposed (slice_layout was a struct before being a class)
53 // we keep these fields as is for now
54
55 infinint first_size;
56 infinint other_size;
57 infinint first_slice_header;
58 infinint other_slice_header;
59 bool older_sar_than_v8;
60
61 void read(generic_file & f);
62 void write(generic_file & f) const;
63 void clear();
64
66
70 void which_slice(const infinint & offset,
71 infinint & slice_num,
72 infinint & slice_offset) const;
73
74 private:
75 static const char OLDER_THAN_V8 = '7';
76 static const char V8 = '8';
77 };
78
80
81} // end of namespace
82
83#endif
generic_file.hpp
class generic_file is defined here as well as class fichier
infinint.hpp
switch module to limitint (32 ou 64 bits integers) or infinint
my_config.h
include macro defined by the configure script and some specific additional ones
libdar
libdar namespace encapsulate all libdar symbols
Definition archive.hpp:47