add memory safety

src/helper_funcs.h

@@ -1,10 +1,14 @@
+#include "memory.h"
 #include <curses.h>
 #include <string>
+#include <vector>
 
 // header guard
 #ifndef _ba_hf_hg_
 #define _ba_hf_hg_
 
+extern std::vector<allocation> *current_allocated;
+
 #define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
 
 void safe_exit(int code);