2
* Copyright (c) 2006, 2007 Lev Walkin <vlm@lionet.info>. All rights reserved.
3
* Redistribution and modifications are permitted subject to BSD license.
5
#ifndef _PER_ENCODER_H_
6
#define _PER_ENCODER_H_
8
#include <asn_application.h>
9
#include <per_support.h>
15
struct asn_TYPE_descriptor_s; /* Forward declaration */
18
* Unaligned PER encoder of any ASN.1 type. May be invoked by the application.
19
* WARNING: This function returns the number of encoded bits in the .encoded
20
* field of the return value. Use the following formula to convert to bytes:
21
* bytes = ((.encoded + 7) / 8)
23
asn_enc_rval_t uper_encode(struct asn_TYPE_descriptor_s *type_descriptor,
24
void *struct_ptr, /* Structure to be encoded */
25
asn_app_consume_bytes_f *consume_bytes_cb, /* Data collector */
26
void *app_key /* Arbitrary callback argument */
30
* A variant of uper_encode() which encodes data into the existing buffer
31
* WARNING: This function returns the number of encoded bits in the .encoded
32
* field of the return value.
34
asn_enc_rval_t uper_encode_to_buffer(
35
struct asn_TYPE_descriptor_s *type_descriptor,
36
void *struct_ptr, /* Structure to be encoded */
37
void *buffer, /* Pre-allocated buffer */
38
size_t buffer_size /* Initial buffer size (max) */
42
* A variant of uper_encode_to_buffer() which allocates buffer itself.
43
* Returns the number of bytes in the buffer or -1 in case of failure.
44
* WARNING: This function produces a "Production of the complete encoding",
45
* with length of at least one octet. Contrast this to precise bit-packing
46
* encoding of uper_encode() and uper_encode_to_buffer().
48
ssize_t uper_encode_to_new_buffer(
49
struct asn_TYPE_descriptor_s *type_descriptor,
50
asn_per_constraints_t *constraints,
51
void *struct_ptr, /* Structure to be encoded */
52
void **buffer_r /* Buffer allocated and returned */
56
* Type of the generic PER encoder function.
58
typedef asn_enc_rval_t (per_type_encoder_f)(
59
struct asn_TYPE_descriptor_s *type_descriptor,
60
asn_per_constraints_t *constraints,
62
asn_per_outp_t *per_output
69
#endif /* _PER_ENCODER_H_ */