fix OER NULL and SEQUENCE extensions round-trip

1 files changed, 11 insertions, 2 deletions

diff --git a/skeletons/NULL.c b/skeletons/NULL.c
index 77a377e1..a43d412b 100644
--- a/skeletons/NULL.c
+++ b/skeletons/NULL.c
@@ -135,15 +135,24 @@ NULL_print(const asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
 asn_dec_rval_t
 NULL_decode_oer(const asn_codec_ctx_t *opt_codec_ctx,
                 const asn_TYPE_descriptor_t *td,
-                const asn_oer_constraints_t *constraints, void **struct_ptr,
+                const asn_oer_constraints_t *constraints, void **sptr,
                 const void *ptr, size_t size) {
     asn_dec_rval_t rv = {RC_OK, 0};
     (void)opt_codec_ctx;
     (void)td;
     (void)constraints;
-    (void)struct_ptr;
     (void)ptr;
     (void)size;
+
+    if(!*sptr) {
+        *sptr = MALLOC(sizeof(NULL_t));
+        if(*sptr) {
+            *(NULL_t *)*sptr = 0;
+        } else {
+            ASN__DECODE_FAILED;
+        }
+    }
+
     return rv;
 }