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-rw-r--r--block.h62
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+/* Lziprecover - Data recovery tool for the lzip format
+ Copyright (C) 2009-2015 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 & 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 );