40  * Interpose the indirection. Result will hold the indirection and object is the
43 #define ADD_RC_CHK(result, object) (result = object, object)  argument
46 #define RC_CHK_ACCESS(object) object  argument
48 /* Frees the object and the indirection layer. */
49 #define RC_CHK_FREE(object) free(object)  argument
52 #define RC_CHK_GET(result, object) ADD_RC_CHK(result, object)  argument
55 #define RC_CHK_PUT(object) {}  argument
71  * Interpose the indirection. Result will hold the indirection and object is the
74 #define ADD_RC_CHK(result, object)					\  argument
76 		object ? (result = malloc(sizeof(*result)),		\
77 			result ? (result->orig = object, result)	\
83 #define RC_CHK_ACCESS(object) object->orig  argument
85 /* Frees the object and the indirection layer. */
86 #define RC_CHK_FREE(object)			\  argument
88 		zfree(&object->orig);		\
89 		free(object);			\
93 #define RC_CHK_GET(result, object) ADD_RC_CHK(result, (object ? object->orig : NULL))  argument
96 #define RC_CHK_PUT(object)			\  argument
98 		if (object) {			\
99 			object->orig = NULL;	\
100 			free(object);		\