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