+/* Begin reading ASN1 without a surrounding sequence */
+#define M_ASN1_D2I_begin() \
+ c.slen = length;
+
+/* End reading ASN1 with no check on length */
+#define M_ASN1_D2I_Finish_nolen(a, func, e) \
+ *pp=c.p; \
+ if (a != NULL) (*a)=ret; \
+ return(ret); \
+err:\
+ ASN1_MAC_H_err((e),c.error,c.line); \
+ asn1_add_error(*pp,(int)(c.q- *pp)); \
+ if ((ret != NULL) && ((a == NULL) || (*a != ret))) func(ret); \
+ return(NULL)