From 45aec0eae4b01b20a4dbd87fb0036b7c4d3a5a88 Mon Sep 17 00:00:00 2001
From: Jim Meyering <meyering@redhat.com>
Date: Wed, 2 Sep 2009 12:20:32 +0200
Subject: [PATCH] infra: define ATTRIBUTE_NONNULL to mark non-NULL parameters

* src/internal.h (ATTRIBUTE_NONNULL): Define.
---
 src/internal.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/internal.h b/src/internal.h
index 936cd03020..8fa579cb33 100644
--- a/src/internal.h
+++ b/src/internal.h
@@ -116,6 +116,14 @@
 #endif
 #endif
 
+#ifndef ATTRIBUTE_NONNULL
+# if __GNUC_PREREQ (3, 3)
+#  define ATTRIBUTE_NONNULL(m) __attribute__((__nonnull__(m)))
+# else
+#  define ATTRIBUTE_NONNULL(m)
+# endif
+#endif
+
 #else
 #ifndef ATTRIBUTE_UNUSED
 #define ATTRIBUTE_UNUSED