--- a/dowa/dowa.h	Mon Oct 06 10:57:30 2025 -0700
+++ b/dowa/dowa.h	Tue Oct 07 07:11:02 2025 -0700
@@ -34,9 +34,9 @@
 
 // --- Arena Allocator --- //
 typedef struct {
-    char   *buffer;
-    size_t  offset;
-    size_t  capacity;
+  char   *buffer;
+  size_t  offset;
+  size_t  capacity;
 } Dowa_Arena, *Dowa_PArena;
 
 /* Creates a new arena with the specified capacity (in bytes). Returns a pointer to the arena, or NULL on failure. */
@@ -45,21 +45,24 @@
 extern void *Dowa_Arena_Allocate(Dowa_PArena arena, size_t size);
 /* Destroys the arena and frees its underlying memory block.*/
 extern void  Dowa_Arena_Destroy(Dowa_PArena arena);
+/* Strdup but saves within the arena */
+extern void *Dowa_Arena_Copy(Dowa_PArena p_arena, const void *src, size_t size);
 
 
 // --- HashMap --- //
 typedef enum {
-    DOWA_HASH_MAP_TYPE_BUFFER,   // Raw byte buffer
-    DOWA_HASH_MAP_TYPE_STRING,   // Null-terminated string
-    DOWA_HASH_MAP_TYPE_HASHMAP,  // Nested hashmap
-    DOWA_HASH_MAP_TYPE_INT       // Integer value
+  DOWA_HASH_MAP_TYPE_BUFFER,   // Raw byte buffer
+  DOWA_HASH_MAP_TYPE_STRING,   // Null-terminated string
+  DOWA_HASH_MAP_TYPE_HASHMAP,  // Nested hashmap
+  DOWA_HASH_MAP_TYPE_INT       // Integer value
 } Dowa_HashMap_ValueType;
 
 typedef struct {
-    char                  *key;
-    void                  *buffer;
-    size_t                 capacity;
-    Dowa_HashMap_ValueType type;
+  char                  *key;
+  void                  *buffer;
+  size_t                 capacity;
+  Dowa_HashMap_ValueType type;
+  struct Dowa_HashEntry *next; 
 } Dowa_HashEntry, *Dowa_PHashEntry;
 
 typedef struct {