1 files changed, 7 insertions, 5 deletions
diff --git a/builtins/datatypes.h b/builtins/datatypes.h
index 3a2a9da7..649de7a6 100644
--- a/builtins/datatypes.h
+++ b/builtins/datatypes.h
@@ -2,12 +2,14 @@
 #include <stdint.h>
 #include <stdbool.h>
 
+#define MIN_STRIDE (INT16_MIN>>1)
+#define MAX_STRIDE (INT16_MAX>>1)
 typedef struct {
     void *data;
     int64_t length:42;
-    uint8_t free:4;
-    bool copy_on_write:1, atomic:1;
-    int16_t stride:16;
+    uint8_t free:4, data_refcount:2;
+    bool atomic:1;
+    int16_t stride:15;
 } array_t;
 
 typedef struct {
@@ -16,8 +18,8 @@ typedef struct {
 } bucket_t;
 
 typedef struct {
-    uint32_t count:32, last_free:31;
-    bool copy_on_write:1;
+    uint32_t count:31, last_free:31;
+    uint8_t data_refcount:2;
     bucket_t buckets[0];
 } bucket_info_t;