From 6a1e745bb2d882a6d65a57de2d8aef97cb540842 Mon Sep 17 00:00:00 2001
From: Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
Date: Wed, 8 Jun 2016 22:32:53 +0200
Subject: [PATCH] added some utility macros

---
 include/utils.h | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/include/utils.h b/include/utils.h
index cdb3adf85..324ed236f 100644
--- a/include/utils.h
+++ b/include/utils.h
@@ -17,9 +17,11 @@
 #include "log.h"
 
 #ifdef __GNUC__
-  #define EXPECT(x, v)	__builtin_expect(x, v)
+  #define LIKELY(x)	__builtin_expect((x),1)
+  #define UNLIKELY(x)	__builtin_expect((x),0)
 #else
-  #define EXPECT(x, v)	(x)
+  #define LIKELY(x)	(x)
+  #define UNLIKELY(x)	(x)
 #endif
 
 /* Some color escape codes for pretty log messages */
@@ -69,6 +71,16 @@
 			   __typeof__ (b) _b = (b); \
 			   _a < _b ? _a : _b; })
 
+#ifndef offsetof
+  #define offsetof(type, member)  __builtin_offsetof(type, member)
+#endif
+
+#ifndef container_of
+  #define container_of(ptr, type, member) ({ const typeof( ((type *) 0)->member ) *__mptr = (ptr); \
+					  (type *) ( (char *) __mptr - offsetof(type, member) ); \
+					})
+#endif
+
 /* Forward declarations */
 struct settings;
 struct timespec;