UNUSED_VAR, USED_VAR, USED_FUNC: New macros; UNUSED_ARG: Rename from UNUSED.

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@269 38d2e660-2303-0410-9eaa-f027e97ec537

diff --git a/compiler.h b/compiler.h
index e5a32f9c241b721345e184c18f7c2031d377eb45..933a3f19977a99cdcce29b65739aaa3e9bdd01e6 100755 (executable)
--- a/compiler.h
+++ b/compiler.h
@@ -14,6 +14,9 @@
 
 /*#*
  *#* $Log$
+ *#* Revision 1.29  2004/11/16 20:34:40  bernie
+ *#* UNUSED_VAR, USED_VAR, USED_FUNC: New macros; UNUSED_ARG: Rename from UNUSED.
+ *#*
  *#* Revision 1.28  2004/10/21 11:03:52  bernie
  *#* Typo.
  *#*
@@ -180,13 +183,16 @@
        /* GCC attributes */
        #define FORMAT(type,fmt,first)  __attribute__((__format__(type, fmt, first)))
        #define NORETURN                __attribute__((__noreturn__))
-       #define UNUSED(type,arg)        __attribute__((__unused__)) type arg
+       #define UNUSED_ARG(type,arg)    __attribute__((__unused__)) type arg
+       #define UNUSED_VAR(type,name)   __attribute__((__unused__)) type name
+       #define USED_VAR(type,name)     __attribute__((__used__)) type name
        #define INLINE                  static inline __attribute__((__always_inline__))
        #define LIKELY(x)               __builtin_expect(!!(x), 1)
        #define UNLIKELY(x)             __builtin_expect(!!(x), 0)
        #define PURE_FUNC               __attribute__((pure))
        #define CONST_FUNC              __attribute__((const))
        #define UNUSED_FUNC             __attribute__((unused))
+       #define USED_FUNC               __attribute__((__used__))
        #define RESTRICT                __restrict__
        #define MUST_CHECK              __attribute__((warn_unused_result))
        #if GNUC_PREREQ(3,1)
@@ -285,8 +291,15 @@
 #ifndef DEPRECATED
 #define DEPRECATED             /* nothing */
 #endif
-#ifndef UNUSED
-#define UNUSED(type,arg)       type arg
+#ifndef UNUSED_ARG
+#define UNUSED_ARG(type,arg)   type arg
+#endif
+#define UNUSED                 UNUSED_ARG /* OBSOLETE */
+#ifndef UNUSED_VAR
+#define UNUSED_VAR(type,name)  type name
+#endif
+#ifndef USED_VAR
+#define USED_VAR(type,name)    type name
 #endif
 #ifndef REGISTER
 #define REGISTER               /* nothing */
@@ -309,6 +322,9 @@
 #ifndef UNUSED_FUNC
 #define UNUSED_FUNC            /* nothing */
 #endif
+#ifndef USED_FUNC
+#define USED_FUNC              /* nothing */
+#endif
 #ifndef RESTRICT
 #define RESTRICT               /* nothing */
 #endif
@@ -436,6 +452,6 @@ typedef unsigned char page_t;    /*!< Type for banked memory pages */
 
 /*! Issue a compilation error if the \a condition is false */
 #define STATIC_ASSERT(condition)  \
-       extern char PP_CAT(CT_ASSERT___, __LINE__)[(condition) ? 1 : -1]
+       UNUSED_VAR(extern char,PP_CAT(CT_ASSERT___, __LINE__)[(condition) ? 1 : -1])
 
 #endif /* DEVLIB_COMPILER_H */