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1 /*-
2  * Copyright (c) 2005 Lev Walkin <vlm@lionet.info>. All rights reserved.
3  * Redistribution and modifications are permitted subject to BSD license.
4  */
5 #ifndef _PER_DECODER_H_
6 #define _PER_DECODER_H_
7
8 #include <asn_application.h>
9 #include <per_support.h>
10
11 #ifdef __cplusplus
12 extern "C" {
13 #endif
14
15 struct asn_TYPE_descriptor_s;   /* Forward declaration */
16
17 /*
18  * Unaligned PER decoder of any ASN.1 type. May be invoked by the application.
19  */
20 asn_dec_rval_t uper_decode(struct asn_codec_ctx_s *opt_codec_ctx,
21         struct asn_TYPE_descriptor_s *type_descriptor,  /* Type to decode */
22         void **struct_ptr,      /* Pointer to a target structure's pointer */
23         const void *buffer,     /* Data to be decoded */
24         size_t size,            /* Size of data buffer */
25         int skip_bits,          /* Number of unused leading bits, 0..7 */
26         int unused_bits         /* Number of unused tailing bits, 0..7 */
27         );
28
29
30 /*
31  * Type of the type-specific PER decoder function.
32  */
33 typedef asn_dec_rval_t (per_type_decoder_f)(asn_codec_ctx_t *opt_codec_ctx,
34                 struct asn_TYPE_descriptor_s *type_descriptor,
35                 asn_per_constraints_t *constraints,
36                 void **struct_ptr,
37                 asn_per_data_t *per_data
38         );
39
40 #ifdef __cplusplus
41 }
42 #endif
43
44 #endif  /* _PER_DECODER_H_ */