63 lines
2.1 KiB
C
63 lines
2.1 KiB
C
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/* Lziprecover - Data recovery tool for the lzip format
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Copyright (C) 2009-2015 Antonio Diaz Diaz.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef INT64_MAX
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#define INT64_MAX 0x7FFFFFFFFFFFFFFFLL
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#endif
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class Block
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{
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long long pos_, size_; // pos + size <= INT64_MAX
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public:
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Block( const long long p, const long long s ) : pos_( p ), size_( s ) {}
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long long pos() const { return pos_; }
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long long size() const { return size_; }
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long long end() const { return pos_ + size_; }
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void pos( const long long p ) { pos_ = p; }
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void size( const long long s ) { size_ = s; }
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bool operator==( const Block & b ) const
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{ return pos_ == b.pos_ && size_ == b.size_; }
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bool operator!=( const Block & b ) const
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{ return pos_ != b.pos_ || size_ != b.size_; }
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bool operator<( const Block & b ) const { return pos_ < b.pos_; }
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bool includes( const long long pos ) const
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{ return ( pos_ <= pos && end() > pos ); }
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bool overlaps( const Block & b ) const
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{ return ( pos_ < b.end() && b.pos_ < end() ); }
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void shift( Block & b ) { ++size_; ++b.pos_; --b.size_; }
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Block split( const long long pos );
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};
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// defined in range_dec.cc
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int range_decompress( const std::string & input_filename,
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const std::string & output_filename,
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Block range, const int verbosity, const bool force,
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const bool ignore, const bool to_stdout );
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// defined in repair.cc
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int debug_delay( const std::string & input_filename, Block range,
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const int verbosity );
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