diff --git a/src/common/include/common/macro.h b/src/common/include/common/macro.h
index 99f2f84..b785aad 100644
--- a/src/common/include/common/macro.h
+++ b/src/common/include/common/macro.h
@@ -4,4 +4,6 @@
 #define xstr(s) str(s)
 #define str(s) #s
 
+#define ARRAY_SIZE(X) (sizeof(X) / sizeof((X)[0]))
+
 #endif // _COMMON_MACRO_H