Portable definition of function attributes

core/include/attributes.h

+/*
+ * Copyright (C) 2014 Freie Universität Berlin
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser General
+ * Public License. See the file LICENSE in the top level directory for more
+ * details.
+ */
+
+/**
+ * @addtogroup  core_internal
+ * @{
+ *
+ * @file        attributes.h
+ * @brief       Compiler attributes/pragmas configuration
+ *
+ * @author      Freie Universität Berlin, Computer Systems & Telematics
+ * @author      René Kijewski <rene.kijewski@fu-berlin.de>
+ */
+
+#ifndef ATTRIBUTES_H_
+#define ATTRIBUTES_H_
+
+#ifdef __GNUC__
+#define NORETURN  __attribute__((noreturn))
+#else
+#define NORETURN
+#endif
+
+#ifdef __GNUC__
+#define CONST  __attribute__((const))
+#else
+#define CONST
+#endif
+
+#ifdef __GNUC__
+#define PURE  __attribute__((pure))
+#else
+#define PURE
+#endif
+
+/** @} */
+#endif /* ATTRIBUTES_H_ */
+