blob: f48c6de0bc97b7e96d4a40163bc88812629bbbf1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
/* Helpers for SMS/GSM 04.11 */
/*
* (C) 2014 by Holger Hans Peter Freyther
*
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <openbsc/gsm_data.h>
#include <openbsc/gsm_04_11.h>
uint8_t sms_next_rp_msg_ref(struct gsm_subscriber_connection *conn)
{
const uint8_t rp_msg_ref = conn->next_rp_ref;
/*
* This should wrap as the valid range is 0 to 255. We only
* transfer one SMS at a time so we don't need to check if
* the id has been already assigned.
*/
conn->next_rp_ref += 1;
return rp_msg_ref;
}
|