logging works ( but it's buggy 😭 )

final/editor.h

@@ -1,4 +1,5 @@
 #include "dynstr.h"
+#include "state.h"
 #include <stdint.h>
 
 /**
@@ -6,7 +7,7 @@
  * cursor position, and various editor settings.
  */
 typedef struct {
-    uint32_t lines;
+   uint32_t lines;
     uint32_t capacity;
     uint32_t buffer_line;
     uint32_t buffer_col;
@@ -14,9 +15,13 @@ typedef struct {
     uint32_t x_offset;
     bool unsaved_changes;
     bool editmode;
-    String_t* buffer;
-    String_t* original;
     String_t filename;
+    String_t* buffer;
+
+    // variables needed for the changelog functionality
+    int original_len;   // length of the original buffer
+    String_t* original; // original buffer
+    StateArray diff;    // changelog
 } Editor;
 
 /**