#include <asn_internal.h>
#include <asn_codecs_prim.h>
#include <NULL.h>
-#include <BOOLEAN.h> /* Implemented in terms of BOOLEAN type */
/*
* NULL basic type description.
*/
-static ber_tlv_tag_t asn_DEF_NULL_tags[] = {
+static const ber_tlv_tag_t asn_DEF_NULL_tags[] = {
(ASN_TAG_CLASS_UNIVERSAL | (5 << 2))
};
-asn_TYPE_descriptor_t asn_DEF_NULL = {
- "NULL",
- "NULL",
- BOOLEAN_free,
+asn_TYPE_operation_t asn_OP_NULL = {
+ NULL_free,
NULL_print,
- asn_generic_no_constraint,
- BOOLEAN_decode_ber, /* Implemented in terms of BOOLEAN */
+ NULL_compare,
+ NULL_decode_ber,
NULL_encode_der, /* Special handling of DER encoding */
NULL_decode_xer,
NULL_encode_xer,
+#ifdef ASN_DISABLE_OER_SUPPORT
+ 0,
+ 0,
+#else
+ NULL_decode_oer,
+ NULL_encode_oer,
+#endif /* ASN_DISABLE_OER_SUPPORT */
+#ifdef ASN_DISABLE_PER_SUPPORT
+ 0,
+ 0,
+#else
NULL_decode_uper, /* Unaligned PER decoder */
NULL_encode_uper, /* Unaligned PER encoder */
- 0, /* Use generic outmost tag fetcher */
+#endif /* ASN_DISABLE_PER_SUPPORT */
+ NULL_random_fill,
+ 0 /* Use generic outmost tag fetcher */
+};
+asn_TYPE_descriptor_t asn_DEF_NULL = {
+ "NULL",
+ "NULL",
+ &asn_OP_NULL,
asn_DEF_NULL_tags,
sizeof(asn_DEF_NULL_tags) / sizeof(asn_DEF_NULL_tags[0]),
asn_DEF_NULL_tags, /* Same as above */
sizeof(asn_DEF_NULL_tags) / sizeof(asn_DEF_NULL_tags[0]),
- 0, /* No PER visible constraints */
+ { 0, 0, asn_generic_no_constraint },
0, 0, /* No members */
0 /* No specifics */
};
+void
+NULL_free(const asn_TYPE_descriptor_t *td, void *ptr,
+ enum asn_struct_free_method method) {
+ if(td && ptr) {
+ switch(method) {
+ case ASFM_FREE_EVERYTHING:
+ FREEMEM(ptr);
+ break;
+ case ASFM_FREE_UNDERLYING:
+ break;
+ case ASFM_FREE_UNDERLYING_AND_RESET:
+ memset(ptr, 0, sizeof(NULL_t));
+ break;
+ }
+ }
+}
+
+/*
+ * Decode NULL type.
+ */
+asn_dec_rval_t
+NULL_decode_ber(const asn_codec_ctx_t *opt_codec_ctx,
+ const asn_TYPE_descriptor_t *td, void **bool_value,
+ const void *buf_ptr, size_t size, int tag_mode) {
+ NULL_t *st = (NULL_t *)*bool_value;
+ asn_dec_rval_t rval;
+ ber_tlv_len_t length;
+
+ if(st == NULL) {
+ st = (NULL_t *)(*bool_value = CALLOC(1, sizeof(*st)));
+ if(st == NULL) {
+ rval.code = RC_FAIL;
+ rval.consumed = 0;
+ return rval;
+ }
+ }
+
+ ASN_DEBUG("Decoding %s as NULL (tm=%d)", td->name, tag_mode);
+
+ /*
+ * Check tags.
+ */
+ rval = ber_check_tags(opt_codec_ctx, td, 0, buf_ptr, size, tag_mode, 0,
+ &length, 0);
+ if(rval.code != RC_OK) {
+ return rval;
+ }
+
+ // X.690-201508, #8.8.2, length shall be zero.
+ if(length != 0) {
+ ASN_DEBUG("Decoding %s as NULL failed: too much data", td->name);
+ rval.code = RC_FAIL;
+ rval.consumed = 0;
+ return rval;
+ }
+
+ return rval;
+}
+
asn_enc_rval_t
-NULL_encode_der(asn_TYPE_descriptor_t *td, void *ptr,
- int tag_mode, ber_tlv_tag_t tag,
- asn_app_consume_bytes_f *cb, void *app_key) {
- asn_enc_rval_t erval;
+NULL_encode_der(const asn_TYPE_descriptor_t *td, const void *ptr, int tag_mode,
+ ber_tlv_tag_t tag, asn_app_consume_bytes_f *cb, void *app_key) {
+ asn_enc_rval_t erval;
erval.encoded = der_write_tags(td, 0, tag_mode, 0, tag, cb, app_key);
if(erval.encoded == -1) {
erval.structure_ptr = ptr;
}
- _ASN_ENCODED_OK(erval);
+ ASN__ENCODED_OK(erval);
}
asn_enc_rval_t
-NULL_encode_xer(asn_TYPE_descriptor_t *td, void *sptr,
- int ilevel, enum xer_encoder_flags_e flags,
- asn_app_consume_bytes_f *cb, void *app_key) {
- asn_enc_rval_t er;
+NULL_encode_xer(const asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
+ enum xer_encoder_flags_e flags, asn_app_consume_bytes_f *cb,
+ void *app_key) {
+ asn_enc_rval_t er;
(void)td;
(void)sptr;
/* XMLNullValue is empty */
er.encoded = 0;
- _ASN_ENCODED_OK(er);
+ ASN__ENCODED_OK(er);
}
static enum xer_pbd_rval
-NULL__xer_body_decode(asn_TYPE_descriptor_t *td, void *sptr, const void *chunk_buf, size_t chunk_size) {
- (void)td;
+NULL__xer_body_decode(const asn_TYPE_descriptor_t *td, void *sptr,
+ const void *chunk_buf, size_t chunk_size) {
+ (void)td;
(void)sptr;
+ (void)chunk_buf; /* Going to be empty according to the rules below. */
- if(xer_is_whitespace(chunk_buf, chunk_size))
- return XPBD_BODY_CONSUMED;
- else
+ /*
+ * There must be no content in self-terminating <NULL/> tag.
+ */
+ if(chunk_size)
return XPBD_BROKEN_ENCODING;
+ else
+ return XPBD_BODY_CONSUMED;
}
asn_dec_rval_t
-NULL_decode_xer(asn_codec_ctx_t *opt_codec_ctx,
- asn_TYPE_descriptor_t *td, void **sptr, const char *opt_mname,
- const void *buf_ptr, size_t size) {
-
- return xer_decode_primitive(opt_codec_ctx, td,
+NULL_decode_xer(const asn_codec_ctx_t *opt_codec_ctx,
+ const asn_TYPE_descriptor_t *td, void **sptr,
+ const char *opt_mname, const void *buf_ptr, size_t size) {
+ return xer_decode_primitive(opt_codec_ctx, td,
sptr, sizeof(NULL_t), opt_mname, buf_ptr, size,
NULL__xer_body_decode);
}
int
-NULL_print(asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
- asn_app_consume_bytes_f *cb, void *app_key) {
+NULL_compare(const asn_TYPE_descriptor_t *td, const void *a, const void *b) {
+ (void)td;
+ (void)a;
+ (void)b;
+ return 0;
+}
- (void)td; /* Unused argument */
+int
+NULL_print(const asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
+ asn_app_consume_bytes_f *cb, void *app_key) {
+ (void)td; /* Unused argument */
(void)ilevel; /* Unused argument */
if(sptr) {
}
}
+#ifndef ASN_DISABLE_OER_SUPPORT
+
asn_dec_rval_t
-NULL_decode_uper(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
- asn_per_constraints_t *constraints, void **sptr, asn_per_data_t *pd) {
- asn_dec_rval_t rv;
+NULL_decode_oer(const asn_codec_ctx_t *opt_codec_ctx,
+ const asn_TYPE_descriptor_t *td,
+ 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)ptr;
+ (void)size;
+
+ if(!*sptr) {
+ *sptr = MALLOC(sizeof(NULL_t));
+ if(*sptr) {
+ *(NULL_t *)*sptr = 0;
+ } else {
+ ASN__DECODE_FAILED;
+ }
+ }
+
+ return rv;
+}
+
+asn_enc_rval_t
+NULL_encode_oer(const asn_TYPE_descriptor_t *td,
+ const asn_oer_constraints_t *constraints, const void *sptr,
+ asn_app_consume_bytes_f *cb, void *app_key) {
+ asn_enc_rval_t er;
+
+ (void)td;
+ (void)sptr;
+ (void)constraints;
+ (void)cb;
+ (void)app_key;
+
+ er.encoded = 0; /* Encoding in 0 bytes. */
+
+ ASN__ENCODED_OK(er);
+}
+
+#endif /* ASN_DISABLE_OER_SUPPORT */
+
+#ifndef ASN_DISABLE_PER_SUPPORT
+
+asn_dec_rval_t
+NULL_decode_uper(const asn_codec_ctx_t *opt_codec_ctx,
+ const asn_TYPE_descriptor_t *td,
+ const asn_per_constraints_t *constraints, void **sptr,
+ asn_per_data_t *pd) {
+ asn_dec_rval_t rv;
(void)opt_codec_ctx;
(void)td;
if(*sptr) {
*(NULL_t *)*sptr = 0;
} else {
- _ASN_DECODE_FAILED;
+ ASN__DECODE_FAILED;
}
}
}
asn_enc_rval_t
-NULL_encode_uper(asn_TYPE_descriptor_t *td, asn_per_constraints_t *constraints,
- void *sptr, asn_per_outp_t *po) {
- asn_enc_rval_t er;
+NULL_encode_uper(const asn_TYPE_descriptor_t *td,
+ const asn_per_constraints_t *constraints, const void *sptr,
+ asn_per_outp_t *po) {
+ asn_enc_rval_t er;
(void)td;
(void)constraints;
(void)po;
er.encoded = 0;
- _ASN_ENCODED_OK(er);
+ ASN__ENCODED_OK(er);
+}
+
+#endif /* ASN_DISABLE_PER_SUPPORT */
+
+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;
}
+