2 * Copyright (c) 2017 Lev Walkin <vlm@lionet.info>.
4 * Redistribution and modifications are permitted subject to BSD license.
6 #include <asn_internal.h>
13 NULL_decode_ber(const asn_codec_ctx_t *opt_codec_ctx,
14 const asn_TYPE_descriptor_t *td, void **bool_value,
15 const void *buf_ptr, size_t size, int tag_mode) {
16 NULL_t *st = (NULL_t *)*bool_value;
21 st = (NULL_t *)(*bool_value = CALLOC(1, sizeof(*st)));
29 ASN_DEBUG("Decoding %s as NULL (tm=%d)", td->name, tag_mode);
34 rval = ber_check_tags(opt_codec_ctx, td, 0, buf_ptr, size, tag_mode, 0,
36 if(rval.code != RC_OK) {
40 // X.690-201508, #8.8.2, length shall be zero.
42 ASN_DEBUG("Decoding %s as NULL failed: too much data", td->name);
52 NULL_encode_der(const asn_TYPE_descriptor_t *td, const void *ptr, int tag_mode,
53 ber_tlv_tag_t tag, asn_app_consume_bytes_f *cb, void *app_key) {
54 asn_enc_rval_t erval = {0,0,0};
56 erval.encoded = der_write_tags(td, 0, tag_mode, 0, tag, cb, app_key);
57 if(erval.encoded == -1) {
58 erval.failed_type = td;
59 erval.structure_ptr = ptr;
62 ASN__ENCODED_OK(erval);