--- /dev/null
+/*
+ * Copyright (c) 2017 Lev Walkin <vlm@lionet.info>.
+ * All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#include <asn_internal.h>
+#include <NULL.h>
+
+asn_random_fill_result_t
+NULL_random_fill(const asn_TYPE_descriptor_t *td, void **sptr,
+ const asn_encoding_constraints_t *constr,
+ size_t max_length) {
+ asn_random_fill_result_t result_ok = {ARFILL_OK, 1};
+ asn_random_fill_result_t result_failed = {ARFILL_FAILED, 0};
+ asn_random_fill_result_t result_skipped = {ARFILL_SKIPPED, 0};
+ NULL_t *st = *sptr;
+
+ (void)td;
+ (void)constr;
+
+ if(max_length == 0) return result_skipped;
+
+ if(st == NULL) {
+ st = (NULL_t *)(*sptr = CALLOC(1, sizeof(*st)));
+ if(st == NULL) {
+ return result_failed;
+ }
+ }
+
+ return result_ok;
+}