Add `format` annotations

1 files changed, 7 insertions, 2 deletions

diff --git a/include/fortify-headers.h b/include/fortify-headers.h
index a9b7498..67c4792 100644
--- a/include/fortify-headers.h
+++ b/include/fortify-headers.h
@@ -59,15 +59,20 @@
 #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
+
+#if __has_attribute (format)
+#define __format(...) __attribute__ ((format (__VA_ARGS__)))
 #else
-#define __access(...)
+#define __format(...)
+#endif
+
 #endif
 
 #endif