80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
/* Manage a list of struct gsm0808_cell_id */
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/*
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* (C) 2019 by sysmocom - s.m.f.c. GmbH <info@sysmocom.de>
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* All Rights Reserved
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*
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* Author: Neels Hofmeyr
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*
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* SPDX-License-Identifier: GPL-2.0+
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <osmocom/msc/cell_id_list.h>
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int cell_id_list_add_cell(void *talloc_ctx, struct llist_head *list, const struct gsm0808_cell_id *cid)
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{
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struct cell_id_list_entry *e = cell_id_list_find(list, cid, 0, true);
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if (e)
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return 0;
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e = talloc(talloc_ctx, struct cell_id_list_entry);
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OSMO_ASSERT(e);
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*e = (struct cell_id_list_entry){
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.cell_id = *cid,
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};
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llist_add_tail(&e->entry, list);
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return 1;
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}
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int cell_id_list_add_list(void *talloc_ctx, struct llist_head *list, const struct gsm0808_cell_id_list2 *cil)
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{
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struct gsm0808_cell_id one_id;
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int i;
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int added = 0;
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for (i = 0; i < cil->id_list_len; i++) {
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one_id = (struct gsm0808_cell_id){
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.id_discr = cil->id_discr,
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.id = cil->id_list[i],
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};
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added += cell_id_list_add_cell(talloc_ctx, list, &one_id);
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}
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return added;
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}
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void cell_id_list_del_entry(struct cell_id_list_entry *e)
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{
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llist_del(&e->entry);
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talloc_free(e);
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}
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struct cell_id_list_entry *cell_id_list_find(struct llist_head *list,
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const struct gsm0808_cell_id *id,
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unsigned int match_nr,
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bool exact_match)
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{
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struct cell_id_list_entry *e;
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llist_for_each_entry(e, list, entry) {
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if (gsm0808_cell_ids_match(id, &e->cell_id, exact_match)) {
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if (match_nr)
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match_nr--;
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else
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return e;
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}
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}
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return NULL;
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}
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