New upstream version 8.1.0

fsck/source/database/Buffer.h

@@ -0,0 +1,47 @@
+#ifndef BUFFER_H_
+#define BUFFER_H_
+
+#include <database/Set.h>
+
+template<typename Data>
+class Buffer {
+   private:
+      Set<Data>* set;
+      SetFragment<Data>* currentFragment;
+      size_t fragmentSize;
+
+      Buffer(const Buffer&);
+      Buffer& operator=(const Buffer&);
+
+   public:
+      Buffer(Set<Data>& set, size_t fragmentSize)
+         : set(&set), currentFragment(NULL), fragmentSize(fragmentSize)
+      {}
+
+      ~Buffer()
+      {
+         flush();
+      }
+
+      void flush()
+      {
+         if(currentFragment)
+         {
+            currentFragment->flush();
+            currentFragment = NULL;
+         }
+      }
+
+      void append(const Data& data)
+      {
+         if(!currentFragment)
+            currentFragment = set->newFragment();
+
+         currentFragment->append(data);
+
+         if(currentFragment->size() * sizeof(Data) >= fragmentSize)
+            flush();
+      }
+};
+
+#endif