1 files changed, 62 insertions, 0 deletions
diff --git a/block.h b/block.h
new file mode 100644
index 0000000..4b2ab39
--- /dev/null
+++ b/block.h
@@ -0,0 +1,62 @@
+/*  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 );