port/merge Eurecom APER support from OPENAIRMME
Eurecom has developed APER support for asn1c as part of the OPENAIRMME
softare (a LTE MME). This is too important to let it bit-rout out
of asn1c. Let's forward-port and merge it.
diff --git a/skeletons/per_decoder.h b/skeletons/per_decoder.h
index 8397a54..5541bae 100644
--- a/skeletons/per_decoder.h
+++ b/skeletons/per_decoder.h
@@ -38,8 +38,30 @@
int unused_bits /* Number of unused tailing bits, 0..7 */
);
+/*
+ * Aligned PER decoder of a "complete encoding" as per X.691#10.1.
+ * On success, this call always returns (.consumed >= 1), as per X.691#10.1.3.
+ */
+asn_dec_rval_t aper_decode_complete(struct asn_codec_ctx_s *opt_codec_ctx,
+ struct asn_TYPE_descriptor_s *type_descriptor, /* Type to decode */
+ void **struct_ptr, /* Pointer to a target structure's pointer */
+ const void *buffer, /* Data to be decoded */
+ size_t size /* Size of data buffer */
+ );
/*
+ * Aligned PER decoder of any ASN.1 type. May be invoked by the application.
+ * WARNING: This call returns the number of BITS read from the stream. Beware.
+ */
+asn_dec_rval_t aper_decode(struct asn_codec_ctx_s *opt_codec_ctx,
+ struct asn_TYPE_descriptor_s *type_descriptor, /* Type to decode */
+ void **struct_ptr, /* Pointer to a target structure's pointer */
+ const void *buffer, /* Data to be decoded */
+ size_t size, /* Size of data buffer */
+ int skip_bits, /* Number of unused leading bits, 0..7 */
+ int unused_bits /* Number of unused tailing bits, 0..7 */
+ );
+/*
* Type of the type-specific PER decoder function.
*/
typedef asn_dec_rval_t (per_type_decoder_f)(asn_codec_ctx_t *opt_codec_ctx,