From f608a55f185ca1851097db639748b23c3fda1256 Mon Sep 17 00:00:00 2001
From: "Pedro F. Giffuni" <pfg@FreeBSD.org>
Date: Fri, 20 Mar 2015 01:07:48 +0000
Subject: [PATCH] Permit multiple arguments for the nonnull attribute.

This is very useful for non-trivial functions and doesn't
affect existing uses.

MFC after:	5 days
---
 sys/sys/cdefs.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/sys/cdefs.h b/sys/sys/cdefs.h
index 25ba218cca87..558322a1bccf 100644
--- a/sys/sys/cdefs.h
+++ b/sys/sys/cdefs.h
@@ -356,9 +356,9 @@
 #endif
 
 #if __GNUC_PREREQ__(3, 3)
-#define __nonnull(x)	__attribute__((__nonnull__(x)))
+#define __nonnull(...)	__attribute__((__nonnull__(__VA_ARGS__)))
 #else
-#define __nonnull(x)
+#define __nonnull(...)
 #endif
 
 #if __GNUC_PREREQ__(3, 4)