55 lines
1.7 KiB
C
55 lines
1.7 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 _PER_SUPPORT_H_
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#define _PER_SUPPORT_H_
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#include <asn_system.h> /* Platform-specific types */
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#include <asn_bit_data.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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* Pre-computed PER constraints.
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*/
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typedef struct asn_per_constraint_s {
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enum asn_per_constraint_flags {
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APC_UNCONSTRAINED = 0x0, /* No PER visible constraints */
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APC_SEMI_CONSTRAINED = 0x1, /* Constrained at "lb" */
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APC_CONSTRAINED = 0x2, /* Fully constrained */
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APC_EXTENSIBLE = 0x4 /* May have extension */
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} flags;
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int range_bits; /* Full number of bits in the range */
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int effective_bits; /* Effective bits */
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intmax_t lower_bound; /* "lb" value */
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intmax_t upper_bound; /* "ub" value */
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} asn_per_constraint_t;
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typedef struct asn_per_constraints_s {
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asn_per_constraint_t value;
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asn_per_constraint_t size;
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int (*value2code)(unsigned int value);
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int (*code2value)(unsigned int code);
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} asn_per_constraints_t;
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/* Temporary compatibility layer. Will get removed. */
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typedef struct asn_bit_data_s asn_per_data_t;
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#define per_get_few_bits(data, bits) asn_get_few_bits(data, bits)
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#define per_get_undo(data, bits) asn_get_undo(data, bits)
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#define per_get_many_bits(data, dst, align, bits) \
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asn_get_many_bits(data, dst, align, bits)
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/* Temporary compatibility layer. Will get removed. */
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typedef struct asn_bit_outp_s asn_per_outp_t;
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#define per_put_few_bits(out, bits, obits) asn_put_few_bits(out, bits, obits)
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#define per_put_many_bits(out, src, nbits) asn_put_many_bits(out, src, nbits)
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#define per_put_aligned_flush(out) asn_put_aligned_flush(out)
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#ifdef __cplusplus
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}
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#endif
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#endif /* _PER_SUPPORT_H_ */
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