74 lines
2.0 KiB
C
74 lines
2.0 KiB
C
/*
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* Copyright (c) 2017 Lev Walkin <vlm@lionet.info>.
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* All rights reserved.
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* Redistribution and modifications are permitted subject to BSD license.
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*/
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#include <asn_internal.h>
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#include <OBJECT_IDENTIFIER.h>
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/*
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* Generate values from the list of interesting values, or just a random
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* value up to the upper limit.
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*/
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static asn_oid_arc_t
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OBJECT_IDENTIFIER__biased_random_arc(asn_oid_arc_t upper_bound) {
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const asn_oid_arc_t values[] = {0, 1, 127, 128, 129, 254, 255, 256};
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size_t idx;
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switch(asn_random_between(0, 2)) {
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case 0:
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idx = asn_random_between(0, sizeof(values) / sizeof(values[0]) - 1);
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if(values[idx] < upper_bound) {
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return values[idx];
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}
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/* Fall through */
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case 1:
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return asn_random_between(0, upper_bound);
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case 2:
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default:
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return upper_bound;
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}
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}
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asn_random_fill_result_t
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OBJECT_IDENTIFIER_random_fill(const asn_TYPE_descriptor_t *td, void **sptr,
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const asn_encoding_constraints_t *constraints,
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size_t max_length) {
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asn_random_fill_result_t result_ok = {ARFILL_OK, 1};
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asn_random_fill_result_t result_failed = {ARFILL_FAILED, 0};
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asn_random_fill_result_t result_skipped = {ARFILL_SKIPPED, 0};
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OBJECT_IDENTIFIER_t *st;
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asn_oid_arc_t arcs[5];
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size_t arcs_len = asn_random_between(2, 5);
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size_t i;
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(void)constraints;
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if(max_length < arcs_len) return result_skipped;
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if(*sptr) {
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st = *sptr;
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} else {
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st = CALLOC(1, sizeof(*st));
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}
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arcs[0] = asn_random_between(0, 2);
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arcs[1] = OBJECT_IDENTIFIER__biased_random_arc(
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arcs[0] <= 1 ? 39 : (ASN_OID_ARC_MAX - 80));
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for(i = 2; i < arcs_len; i++) {
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arcs[i] = OBJECT_IDENTIFIER__biased_random_arc(ASN_OID_ARC_MAX);
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}
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if(OBJECT_IDENTIFIER_set_arcs(st, arcs, arcs_len)) {
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if(st != *sptr) {
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ASN_STRUCT_FREE(*td, st);
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}
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return result_failed;
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}
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*sptr = st;
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result_ok.length = st->size;
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return result_ok;
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}
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