From: Holger Lubitz <hal@duncan.ol.sub.de>
Date: Wed, 1 Aug 2007 23:01:01 +0000 (+0200)
Subject: define __nonnull
X-Git-Tag: v0.9.3~113
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3859abb7de806d17e05ddd93c01f3a6535cf618d;p=thirdparty%2Fipxe.git

define __nonnull
---

diff --git a/src/include/compiler.h b/src/include/compiler.h
index 8d76ac474..d680ae89e 100644
--- a/src/include/compiler.h
+++ b/src/include/compiler.h
@@ -291,6 +291,13 @@ extern void dbg_hex_dump_da ( unsigned long dispaddr,
  */
 #define __const __attribute__ (( const ))
 
+/**
+ * Declare a function's pointer parameters as non-null - i.e. force
+ * compiler to check pointers at compile time and enable possible
+ * optimizations based on that fact
+ */
+#define __nonnull __attribute__ (( nonnull ))
+
 /**
  * Declare a function as used.
  *