/**
* typesafe_cb - cast a callback function if it matches the arg
- * @rettype: the return type of the callback function
+ * @rtype: the return type of the callback function
* @fn: the callback function to cast
* @arg: the (pointer) argument to hand to the callback function.
*
* #define register_callback(fn, arg) \
* _register_callback(typesafe_cb(void, (fn), (arg)), (arg))
*/
-#define typesafe_cb(rettype, fn, arg) \
+#define typesafe_cb(rtype, fn, arg) \
cast_if_type(cast_if_type(cast_if_type((fn), \
- rettype (*)(const typeof(arg)), \
- rettype (*)(void *)), \
- rettype (*)(volatile typeof(arg)), \
- rettype (*)(void *)), \
- rettype (*)(typeof(arg)), \
- rettype (*)(void *))
+ rtype (*)(const typeof(*arg)*), \
+ rtype (*)(void *)), \
+ rtype (*)(volatile typeof(*arg) *), \
+ rtype (*)(void *)), \
+ rtype (*)(typeof(arg)), \
+ rtype (*)(void *))
/**
* typesafe_cb_preargs - cast a callback function if it matches the arg
- * @rettype: the return type of the callback function
+ * @rtype: the return type of the callback function
* @fn: the callback function to cast
* @arg: the (pointer) argument to hand to the callback function.
*
* _register_callback(typesafe_cb_preargs(void, (fn), (arg), int),\
* (arg))
*/
-#define typesafe_cb_preargs(rettype, fn, arg, ...) \
+#define typesafe_cb_preargs(rtype, fn, arg, ...) \
cast_if_type(cast_if_type(cast_if_type((fn), \
- rettype (*)(__VA_ARGS__, \
- const typeof(arg)), \
- rettype (*)(__VA_ARGS__, \
- void *)), \
- rettype (*)(__VA_ARGS__, \
- volatile typeof(arg)), \
- rettype (*)(__VA_ARGS__, void *)), \
- rettype (*)(__VA_ARGS__, typeof(arg)), \
- rettype (*)(__VA_ARGS__, void *))
+ rtype (*)(__VA_ARGS__, \
+ const typeof(*arg) *),\
+ rtype (*)(__VA_ARGS__, \
+ void *)), \
+ rtype (*)(__VA_ARGS__, \
+ volatile typeof(*arg) *), \
+ rtype (*)(__VA_ARGS__, void *)), \
+ rtype (*)(__VA_ARGS__, typeof(arg)), \
+ rtype (*)(__VA_ARGS__, void *))
/**
* typesafe_cb_postargs - cast a callback function if it matches the arg
- * @rettype: the return type of the callback function
+ * @rtype: the return type of the callback function
* @fn: the callback function to cast
* @arg: the (pointer) argument to hand to the callback function.
*
* _register_callback(typesafe_cb_preargs(void, (fn), (arg), int),\
* (arg))
*/
-#define typesafe_cb_postargs(rettype, fn, arg, ...) \
+#define typesafe_cb_postargs(rtype, fn, arg, ...) \
cast_if_type(cast_if_type(cast_if_type((fn), \
- rettype (*)(const typeof(arg), \
- __VA_ARGS__), \
- rettype (*)(void *, \
- __VA_ARGS__)), \
- rettype (*)(volatile typeof(arg), \
- __VA_ARGS__), \
- rettype (*)(void *, __VA_ARGS__)), \
- rettype (*)(typeof(arg), __VA_ARGS__), \
- rettype (*)(void *, __VA_ARGS__))
+ rtype (*)(const typeof(*arg) *, \
+ __VA_ARGS__), \
+ rtype (*)(void *, \
+ __VA_ARGS__)), \
+ rtype (*)(volatile typeof(*arg) *, \
+ __VA_ARGS__), \
+ rtype (*)(void *, __VA_ARGS__)), \
+ rtype (*)(typeof(arg), __VA_ARGS__), \
+ rtype (*)(void *, __VA_ARGS__))
#endif /* CCAN_CAST_IF_TYPE_H */