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https://github.com/gnss-sdr/gnss-sdr
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60 lines
2.0 KiB
C
60 lines
2.0 KiB
C
/*-
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* SPDX-FileCopyrightText: (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
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* SPDX-License-Identifier: BSD-1-Clause
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*/
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#ifndef _PER_DECODER_H
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#define _PER_DECODER_H
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#include <asn_application.h>
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#include <per_support.h>
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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struct asn_TYPE_descriptor_s; /* Forward declaration */
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/*
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* Unaligned PER decoder of a "complete encoding" as per X.691#10.1.
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* On success, this call always returns (.consumed >= 1), as per
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* X.691#10.1.3.
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*/
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asn_dec_rval_t uper_decode_complete(
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struct asn_codec_ctx_s *opt_codec_ctx,
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struct asn_TYPE_descriptor_s *td, /* Type to decode */
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void **sptr, /* Pointer to a target structure's pointer */
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const void *buffer, /* Data to be decoded */
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size_t size /* Size of data buffer */
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);
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/*
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* Unaligned PER decoder of any ASN.1 type. May be invoked by the
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* application. WARNING: This call returns the number of BITS read from the
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* stream. Beware.
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*/
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asn_dec_rval_t uper_decode(
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struct asn_codec_ctx_s *opt_codec_ctx,
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struct asn_TYPE_descriptor_s *td, /* Type to decode */
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void **sptr, /* Pointer to a target structure's pointer */
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const void *buffer, /* Data to be decoded */
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size_t size, /* Size of data buffer */
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int skip_bits, /* Number of unused leading bits, 0..7 */
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int unused_bits /* Number of unused tailing bits, 0..7 */
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);
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/*
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* Type of the type-specific PER decoder function.
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*/
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typedef asn_dec_rval_t(per_type_decoder_f)(
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asn_codec_ctx_t *opt_codec_ctx,
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struct asn_TYPE_descriptor_s *type_descriptor,
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asn_per_constraints_t *constraints, void **struct_ptr,
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asn_per_data_t *per_data);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _PER_DECODER_H_ */
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