/*-
- * Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Copyright (c) 2003-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
* Redistribution and modifications are permitted subject to BSD license.
*/
#ifndef _BER_DECODER_H_
/*
* The BER decoder of any type.
* This function may be invoked directly from the application.
- * The der_encode() function (der_encoder.h) is an opposite to ber_decode().
+ * Decodes BER, DER and CER data (DER and CER are different subsets of BER).
+ *
+ * NOTE: Use the der_encode() function (der_encoder.h) to produce encoding
+ * which is compliant with ber_decode().
*/
-asn_dec_rval_t ber_decode(struct asn_codec_ctx_s *opt_codec_ctx,
- struct asn_TYPE_descriptor_s *type_descriptor,
- void **struct_ptr, /* Pointer to a target structure's pointer */
- const void *buffer, /* Data to be decoded */
- size_t size /* Size of that buffer */
- );
+asn_dec_rval_t ber_decode(
+ const struct asn_codec_ctx_s *opt_codec_ctx,
+ const struct asn_TYPE_descriptor_s *type_descriptor,
+ void **struct_ptr, /* Pointer to a target structure's pointer */
+ const void *buffer, /* Data to be decoded */
+ size_t size /* Size of that buffer */
+);
/*
* Type of generic function which decodes the byte stream into the structure.
*/
-typedef asn_dec_rval_t (ber_type_decoder_f)(
- struct asn_codec_ctx_s *opt_codec_ctx,
- struct asn_TYPE_descriptor_s *type_descriptor,
- void **struct_ptr, const void *buf_ptr, size_t size,
- int tag_mode);
+typedef asn_dec_rval_t(ber_type_decoder_f)(
+ const struct asn_codec_ctx_s *opt_codec_ctx,
+ const struct asn_TYPE_descriptor_s *type_descriptor, void **struct_ptr,
+ const void *buf_ptr, size_t size, int tag_mode);
/*******************************
* INTERNALLY USEFUL FUNCTIONS *
* head->last_tag_form is non-zero.
*/
asn_dec_rval_t ber_check_tags(
- struct asn_codec_ctx_s *opt_codec_ctx, /* codec options */
- struct asn_TYPE_descriptor_s *type_descriptor,
- asn_struct_ctx_t *opt_ctx, /* saved decoding context */
- const void *ptr, size_t size,
- int tag_mode, /* {-1,0,1}: IMPLICIT, no, EXPLICIT */
- int last_tag_form, /* {-1,0:1}: any, primitive, constr */
- ber_tlv_len_t *last_length,
- int *opt_tlv_form /* optional tag form */
- );
+ const struct asn_codec_ctx_s *opt_codec_ctx, /* codec options */
+ const struct asn_TYPE_descriptor_s *type_descriptor,
+ asn_struct_ctx_t *opt_ctx, /* saved decoding context */
+ const void *ptr, size_t size,
+ int tag_mode, /* {-1,0,1}: IMPLICIT, no, EXPLICIT */
+ int last_tag_form, /* {-1,0:1}: any, primitive, constr */
+ ber_tlv_len_t *last_length, int *opt_tlv_form /* optional tag form */
+);
#ifdef __cplusplus
}