#define URCU_FORCE_CAST(type, arg) ((type) (arg))
#endif
-#define caa_is_signed_type(type) (((type) (-1)) < 0)
+#define caa_is_signed_type(type) ((type) -1 < (type) 0)
-#define caa_cast_long_keep_sign(v) \
- (caa_is_signed_type(__typeof__(v)) ? (long) (v) : (unsigned long) (v))
+/*
+ * Sign-extend to long if needed, and output type is unsigned long.
+ */
+#define caa_cast_long_keep_sign(v) \
+ (caa_is_signed_type(__typeof__(v)) ? \
+ (unsigned long) (long) (v) : \
+ (unsigned long) (v))
+
+#if defined (__GNUC__) \
+ && ((__GNUC_MAJOR__ == 4) && (__GNUC_MINOR__ >= 5) \
+ || __GNUC_MAJOR__ >= 5)
+#define CDS_DEPRECATED(msg) \
+ __attribute__((deprecated(msg)))
+#else
+#define CDS_DEPRECATED(msg) \
+ __attribute__((deprecated))
+#endif
+
+#define CAA_ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
#endif /* _URCU_COMPILER_H */