closure: make Block_descriptor_1 conform to the ABI

The Blocks ABI v1 used `unsigned long int` for the `size` and `reserved` fields. On LLP64 targets (e.g. Windows x86_64), `uintptr_t` is larger than `unsigned long int`. Adjust the types to make the definition conform to the ABI specification.
aschwaighofer · Jun 22, 2018 · ca588f7 · ca588f7
1 parent 50a7974
commit ca588f7
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/closure/Block_private.h b/closure/Block_private.h
@@ -38,8 +38,8 @@ enum {
 
 #define BLOCK_DESCRIPTOR_1 1
 struct Block_descriptor_1 {
-    uintptr_t reserved;
-    uintptr_t size;
+    unsigned long int reserved;
+    unsigned long int size;
 };
 
 #define BLOCK_DESCRIPTOR_2 1