1 files changed, 2 insertions, 5 deletions
diff --git a/wv_mem.c b/wv_mem.c
index 0bb32dc..1f6542b 100644
--- a/wv_mem.c
+++ b/wv_mem.c
@@ -1,15 +1,12 @@
 #include <stdlib.h>
 #include <stdint.h>
 #include <string.h>
+#include <stdalign.h>
 
 #include "wv_mem.h"
 #include "wv_err.h"
 
-/* Detect alignment pre-C11 */
-union wv_max_align { long l; double d; void *p; };
-
-#define WV_ALIGNOF(type) offsetof(struct { char c; type member; }, member)
-#define WV_ALIGNMENT  WV_ALIGNOF(union wv_max_align)
+#define WV_ALIGNMENT  alignof(max_align_t)
 #define WV_ALIGN_MASK (WV_ALIGNMENT - 1)
 
 #define WV_ARENA_MIN_SIZE  (256 * 1024)