+ OPENSSL_free(b);
+ return(ret);
+ }
+
+#endif
+
+/* ASN1_ITEM version of dup: this follows the model above except we don't need
+ * to allocate the buffer. At some point this could be rewritten to directly dup
+ * the underlying structure instead of doing and encode and decode.
+ */
+
+void *ASN1_item_dup(const ASN1_ITEM *it, void *x)
+ {
+ unsigned char *b = NULL, *p;
+ long i;
+ void *ret;
+
+ if (x == NULL) return(NULL);
+
+ i=ASN1_item_i2d(x,&b,it);
+ if (b == NULL)
+ { ASN1err(ASN1_F_ASN1_DUP,ERR_R_MALLOC_FAILURE); return(NULL); }
+ p= b;
+ ret=ASN1_item_d2i(NULL,&p,i, it);
+ OPENSSL_free(b);