STRUCT_ALIGNOF: use RUBY_ALIGNOF

This was a workaround for RUBY_ALIGNOF's glitch, which has already been fixed. See also #3570
ruby · Oct 6, 2020 · ae94c5b · ae94c5b
1 parent 7d59439
commit ae94c5b
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diff --git a/ext/-test-/memory_view/memory_view.c b/ext/-test-/memory_view/memory_view.c
@@ -2,8 +2,7 @@
 #include "ruby/memory_view.h"
 
 #define STRUCT_ALIGNOF(T, result) do { \
-    struct S { char _; T t; }; \
-    (result) = (int)offsetof(struct S, t); \
+    (result) = RUBY_ALIGNOF(T); \
 } while(0)
 
 static ID id_str;

diff --git a/memory_view.c b/memory_view.c
@@ -12,8 +12,7 @@
 #include "ruby/memory_view.h"
 
 #define STRUCT_ALIGNOF(T, result) do { \
-    struct S { char _; T t; }; \
-    (result) = (int)offsetof(struct S, t); \
+    (result) = RUBY_ALIGNOF(T); \
 } while(0)
 
 static ID id_memory_view;