From 1484fb506983c6db0f856dada4d51ebaf71e581b Mon Sep 17 00:00:00 2001
From: Joseph Chen <joseph@baoruh.com.tw>
Date: Thu, 18 Dec 2025 15:46:35 +0800
Subject: [PATCH] Add IAR support to WC_OFFSETOF macro

---
 wolfssl/wolfcrypt/types.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wolfssl/wolfcrypt/types.h b/wolfssl/wolfcrypt/types.h
index 19d8d8b86..feded367e 100644
--- a/wolfssl/wolfcrypt/types.h
+++ b/wolfssl/wolfcrypt/types.h
@@ -1233,7 +1233,7 @@ binding for XSNPRINTF
 #ifndef WC_OFFSETOF
     #if defined(__clang__) || (defined(__GNUC__) && (__GNUC__ >= 4))
         #define WC_OFFSETOF(type, field) __builtin_offsetof(type, field)
-    #elif defined(__WATCOMC__)
+    #elif defined(__WATCOMC__) || defined(__IAR_SYSTEMS_ICC__)
         #include <stddef.h>
         #define WC_OFFSETOF    offsetof
     #else