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lziprecover/block.h
Daniel Baumann 734bd31e8b
Merging upstream version 1.18.
Signed-off-by: Daniel Baumann <daniel@debian.org>
2025-02-21 11:26:24 +01:00

62 lines
2.1 KiB
C++

/* Lziprecover - Data recovery tool for the lzip format
Copyright (C) 2009-2016 Antonio Diaz Diaz.
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 INT64_MAX
#define INT64_MAX 0x7FFFFFFFFFFFFFFFLL
#endif
class Block
{
long long pos_, size_; // pos + size <= INT64_MAX
public:
Block( const long long p, const long long s ) : pos_( p ), size_( s ) {}
long long pos() const { return pos_; }
long long size() const { return size_; }
long long end() const { return pos_ + size_; }
void pos( const long long p ) { pos_ = p; }
void size( const long long s ) { size_ = s; }
bool operator==( const Block & b ) const
{ return pos_ == b.pos_ && size_ == b.size_; }
bool operator!=( const Block & b ) const
{ return pos_ != b.pos_ || size_ != b.size_; }
bool operator<( const Block & b ) const { return pos_ < b.pos_; }
bool includes( const long long pos ) const
{ return ( pos_ <= pos && end() > pos ); }
bool overlaps( const Block & b ) const
{ return ( pos_ < b.end() && b.pos_ < end() ); }
void shift( Block & b ) { ++size_; ++b.pos_; --b.size_; }
Block split( const long long pos );
};
// defined in range_dec.cc
int range_decompress( const std::string & input_filename,
const std::string & default_output_filename,
Block range, const int verbosity, const bool force,
const bool ignore, const bool to_stdout );
// defined in repair.cc
int debug_delay( const std::string & input_filename, Block range,
const int verbosity );