lib: Add ATTR_UNSIGNED_WRAPS for disabling clang -fsanitize=integer

diff --git a/src/lib/macros.h b/src/lib/macros.h
index 4eff76eb08eec506905e4242442d85eba5fd7e69..adfaea9118cad6b7df0136185b01b8c61c779e73 100644 (file)
--- a/src/lib/macros.h
+++ b/src/lib/macros.h
@@ -184,6 +184,12 @@
 #  define likely(expr) expr
 #endif
 
+#if defined(__clang__)
+#  define ATTR_UNSIGNED_WRAPS __attribute__((no_sanitize("integer")))
+#else
+#  define ATTR_UNSIGNED_WRAPS
+#endif
+
 /* Provide macros for error handling. */
 #ifdef DISABLE_ASSERTS
 #  define i_assert(expr)