Add `access` annotations

1 files changed, 11 insertions, 0 deletions

diff --git a/include/fortify-headers.h b/include/fortify-headers.h
index e406dce..a9b7498 100644
--- a/include/fortify-headers.h
+++ b/include/fortify-headers.h
@@ -59,4 +59,15 @@
 #define __bos(ptr, type) __builtin_object_size (ptr, type)
 #endif
 
+/* This needs to be two different conditions: https://gcc.gnu.org/onlinedocs/cpp/_005f_005fhas_005fattribute.html */
+#if defined __has_attribute
+#if __has_attribute (access)
+#define __access(...) __attribute__ ((access (__VA_ARGS__)))
+#else
+#define __access(...)
+#endif
+#else
+#define __access(...)
+#endif
+
 #endif