mirror of https://gerrit.osmocom.org/asn1c
95 lines
3.1 KiB
C
95 lines
3.1 KiB
C
/*-
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* Copyright (c) 2003, 2004 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 _OBJECT_IDENTIFIER_H_
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#define _OBJECT_IDENTIFIER_H_
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#include <constr_TYPE.h>
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#include <INTEGER.h>
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typedef INTEGER_t OBJECT_IDENTIFIER_t; /* Implemented in terms of INTEGER */
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extern asn1_TYPE_descriptor_t asn1_DEF_OBJECT_IDENTIFIER;
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der_type_encoder_f OBJECT_IDENTIFIER_encode_der;
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asn_constr_check_f OBJECT_IDENTIFIER_constraint;
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asn_struct_print_f OBJECT_IDENTIFIER_print;
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/**********************************
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* Some handy conversion routines *
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**********************************/
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/*
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* Print the specified OBJECT IDENTIFIER arc.
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*/
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int OBJECT_IDENTIFIER_print_arc(uint8_t *arcbuf, int arclen,
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int add, /* Arbitrary offset, required to process the first two arcs */
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asn_app_consume_bytes_f *cb, void *app_key);
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/*
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* This function fills an (_arcs) array with OBJECT IDENTIFIER arcs
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* up to specified (_arc_slots) elements.
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* The function always returns the real number of arcs, even if there is no
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* sufficient (_arc_slots) provided.
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*
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* EXAMPLE:
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* void print_arcs(OBJECT_IDENTIFIER_t *oid) {
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* unsigned long fixed_arcs[10]; // Try with fixed space first
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* unsigned long *arcs = fixed_arcs;
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* int arc_type_size = sizeof(fixed_arcs[0]); // sizeof(long)
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* int arc_slots = sizeof(fixed_arcs)/sizeof(fixed_arcs[0]); // 10
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* int count; // Real number of arcs.
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* int i;
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*
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* count = OBJECT_IDENTIFIER_get_arcs(oid, arcs,
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* arc_type_size, arc_slots);
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* // If necessary, reallocate arcs array and try again.
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* if(count > arc_slots) {
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* arc_slots = count;
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* arcs = malloc(arc_type_size * arc_slots);
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* if(!arcs) return;
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* count = OBJECT_IDENTIFIER_get_arcs(oid, arcs,
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* arc_type_size, arc_slots);
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* assert(count == arc_slots);
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* }
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*
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* // Print the contents of the arcs array.
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* for(i = 0; i < count; i++)
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* printf("%d\n", arcs[i]);
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*
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* // Avoid memory leak.
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* if(arcs != fixed_arcs) free(arcs);
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* }
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*
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* RETURN VALUES:
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* -1/EINVAL: Invalid arguments (oid is missing)
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* -1/ERANGE: One or more arcs have value out of array cell type range.
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* >=0: Number of arcs contained in the OBJECT IDENTIFIER
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*/
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int OBJECT_IDENTIFIER_get_arcs(OBJECT_IDENTIFIER_t *_oid,
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void *_arcs, unsigned int _arc_type_size, unsigned int _arc_slots);
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/*
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* This functions initializes the OBJECT IDENTIFIER object with
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* the given set of arcs.
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* The minimum of two arcs must be present; some restrictions apply.
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* RETURN VALUES:
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* -1/EINVAL: Invalid arguments
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* -1/ERANGE: The first two arcs do not conform to ASN.1 restrictions.
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* -1/ENOMEM: Memory allocation failed
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* 0: The object was initialized with new arcs.
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*/
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int OBJECT_IDENTIFIER_set_arcs_l(OBJECT_IDENTIFIER_t *_oid,
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unsigned long *_arcs, unsigned int _arc_slots);
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/*
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* Internal functions.
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*/
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int OBJECT_IDENTIFIER_get_single_arc(uint8_t *arcbuf, unsigned int arclen,
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signed int add, void *value, unsigned int value_size);
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int OBJECT_IDENTIFIER_get_single_arc_l(uint8_t *arcbuf, unsigned int arclen,
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signed int add, unsigned long *value);
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#endif /* _OBJECT_IDENTIFIER_H_ */
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