lib/util/attr: add _UNUSED_ marco

metze

diff --git a/lib/util/attr.h b/lib/util/attr.h
index a2690613fb14a1fc35eeea954809fa3018419866..b72696a8dc3c8ca515d273b3cc8683c617fa409d 100644 (file)
--- a/lib/util/attr.h
+++ b/lib/util/attr.h
@@ -20,14 +20,19 @@
 #ifndef __UTIL_ATTR_H__
 #define __UTIL_ATTR_H__
 
+#ifndef _UNUSED_
 #ifdef __GNUC__
 /** gcc attribute used on function parameters so that it does not emit
  * warnings about them being unused. **/
-#  define UNUSED(param) param __attribute__ ((unused))
+#  define _UNUSED_ __attribute__ ((unused))
 #else
-#  define UNUSED(param) param
+#  define _UNUSED_
 /** Feel free to add definitions for other compilers here. */
 #endif
+#endif
+#ifndef UNUSED
+#define UNUSED(param) param _UNUSED_
+#endif
 
 #ifndef _DEPRECATED_
 #if (__GNUC__ >= 3) && (__GNUC_MINOR__ >= 1 )