forked from acouzens/open5gs
61 lines
1.8 KiB
C
61 lines
1.8 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 <constr_CHOICE.h>
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asn_random_fill_result_t
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CHOICE_random_fill(const asn_TYPE_descriptor_t *td, void **sptr,
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const asn_encoding_constraints_t *constr,
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size_t max_length) {
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const asn_CHOICE_specifics_t *specs =
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(const asn_CHOICE_specifics_t *)td->specifics;
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asn_random_fill_result_t res;
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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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const asn_TYPE_member_t *elm;
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unsigned present;
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void *memb_ptr; /* Pointer to the member */
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void **memb_ptr2; /* Pointer to that pointer */
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void *st = *sptr;
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if(max_length == 0) return result_skipped;
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(void)constr;
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if(st == NULL) {
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st = CALLOC(1, specs->struct_size);
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if(st == NULL) {
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return result_failed;
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}
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}
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present = asn_random_between(1, td->elements_count);
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elm = &td->elements[present - 1];
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if(elm->flags & ATF_POINTER) {
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/* Member is a pointer to another structure */
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memb_ptr2 = (void **)((char *)st + elm->memb_offset);
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} else {
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memb_ptr = (char *)st + elm->memb_offset;
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memb_ptr2 = &memb_ptr;
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}
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res = elm->type->op->random_fill(elm->type, memb_ptr2,
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&elm->encoding_constraints, max_length);
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_set_present_idx(st, specs->pres_offset, specs->pres_size, present);
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if(res.code == ARFILL_OK) {
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*sptr = st;
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} else {
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if(st == *sptr) {
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ASN_STRUCT_RESET(*td, st);
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} else {
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ASN_STRUCT_FREE(*td, st);
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}
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}
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return res;
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}
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