Refactor BinaryTable file handling to use C-style file operations and improve memory management

cpp/binary_table.h

@@ -29,6 +29,18 @@ This file is part of the SweepStore (formerly Binary Table) package for C++.
 #include <stdexcept>
 #include <type_traits>
 #include <functional>
+#include <iostream>
+
+// Debug control - comment out this line to disable all debug output
+// #define ENABLE_DEBUG 1
+
+#ifdef ENABLE_DEBUG
+    #define DEBUG_PRINT(x) std::cout << x
+    #define DEBUG_PRINTLN(x) std::cout << x << std::endl
+#else
+    #define DEBUG_PRINT(x)
+    #define DEBUG_PRINTLN(x)
+#endif
 
 namespace bt {
 
@@ -164,13 +176,14 @@ public:
 // Main BinaryTable class
 class BinaryTable {
 private:
-    std::fstream file_;
+    FILE* file_;
     std::string filePath_;
     
     // Free list management
     bool freeListLifted_;
     std::vector<BT_FreeListEntry> freeListCache_;
     
+    
     // Internal methods
     std::unordered_map<int64_t, BT_Pointer> getAddressTable();
     void setAddressTable(const std::unordered_map<int64_t, BT_Pointer>& table);