utils: Define ADDRESS_SANITIZER_EXCLUDE to exclude a function from sanitizer

src/libstrongswan/utils/utils.h

@@ -119,6 +119,16 @@ void utils_deinit();
 # define __has_feature(x) 0
 #endif
 
+/**
+ * Address santizer support
+ */
+#if __has_feature(address_sanitizer) || \
+	(defined(__GNUC__) && defined(__SANITIZE_ADDRESS__))
+# define ADDRESS_SANITIZER_EXCLUDE __attribute__((no_sanitize_address))
+#else
+# define ADDRESS_SANITIZER_EXCLUDE
+#endif
+
 /**
  * Debug macro to follow control flow
  */