forked from acouzens/open5gs
74 lines
2.0 KiB
C
74 lines
2.0 KiB
C
/*
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* Copyright (c) 2005-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
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* Redistribution and modifications are permitted subject to BSD license.
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*/
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#ifndef _APER_SUPPORT_H_
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#define _APER_SUPPORT_H_
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#include <asn_system.h> /* Platform-specific types */
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#include <per_support.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* X.691 (08/2015) #11.9 "General rules for encoding a length determinant"
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* Get the length "n" from the Aligned PER stream.
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*/
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ssize_t aper_get_length(asn_per_data_t *pd, ssize_t lb, ssize_t ub,
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int effective_bound_bits, int *repeat);
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/*
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* Get the normally small length "n".
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*/
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ssize_t aper_get_nslength(asn_per_data_t *pd);
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/*
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* Get the normally small non-negative whole number.
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*/
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ssize_t aper_get_nsnnwn(asn_per_data_t *pd);
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/*
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* Get the constrained whole number.
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*/
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long aper_get_constrained_whole_number(asn_per_data_t *po, long lb, long ub);
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/*
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* X.691 (08/2015) #11.9 "General rules for encoding a length determinant"
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* Put the length "n" to the Aligned PER stream.
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* If (opt_need_eom) is given, it will be set to 1 if final 0-n is needed.
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* In that case, invoke aper_put_length(po, -1, -1, 0, NULL) after encoding the
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* last block.
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* This function returns the number of units which may be flushed
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* in the next units saving iteration.
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*/
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ssize_t aper_put_length(asn_per_outp_t *po, ssize_t lb, ssize_t ub, size_t n,
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int *opt_need_eom);
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/* Align the current bit position to octet bundary */
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int aper_put_align(asn_per_outp_t *po);
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int32_t aper_get_align(asn_per_data_t *pd);
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/*
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* Put the normally small length "n" to the Unaligned PER stream.
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* Returns 0 or -1.
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*/
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int aper_put_nslength(asn_per_outp_t *po, size_t length);
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/*
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* Put the normally small non-negative whole number.
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*/
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int aper_put_nsnnwn(asn_per_outp_t *po, int number);
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/*
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* Put the constrained whole number.
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*/
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int aper_put_constrained_whole_number(asn_per_outp_t *po, long lb, long ub, long number);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _APER_SUPPORT_H_ */
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