1 /*
2 * Copyright (c) 2011-2012 - Mauro Carvalho Chehab
3 * Copyright (c) 2012 - Andre Roth <neolynx@gmail.com>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU Lesser General Public License as published by
7 * the Free Software Foundation version 2.1 of the License.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 * Or, point your browser to http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
18 *
19 */
20
21 #include <libdvbv5/desc_service.h>
22 #include <libdvbv5/dvb-fe.h>
23 #include <parse_string.h>
24
25 #if __GNUC__ >= 9
26 #pragma GCC diagnostic ignored "-Waddress-of-packed-member"
27 #endif
28
dvb_desc_service_init(struct dvb_v5_fe_parms * parms,const uint8_t * buf,struct dvb_desc * desc)29 int dvb_desc_service_init(struct dvb_v5_fe_parms *parms, const uint8_t *buf, struct dvb_desc *desc)
30 {
31 struct dvb_desc_service *service = (struct dvb_desc_service *) desc;
32 const uint8_t *endbuf = buf + desc->length;
33 uint8_t len; /* the length of the string in the input data */
34 uint8_t len1, len2; /* the lenght of the output strings */
35
36 service->provider = NULL;
37 service->provider_emph = NULL;
38 service->name = NULL;
39 service->name_emph = NULL;
40
41 if (buf + 1 > endbuf) {
42 dvb_logerr("%s: short read %d bytes", __func__, 1);
43 return -1;
44 }
45 service->service_type = buf[0];
46 buf++;
47
48 if (buf + 1 > endbuf) {
49 dvb_logerr("%s: a short read %d bytes", __func__, 1);
50 return -1;
51 }
52
53 len = buf[0];
54 len1 = len;
55 buf++;
56
57 if (buf + len > endbuf) {
58 dvb_logerr("%s: b short read %d bytes", __func__, len);
59 return -1;
60 }
61
62 if (len) {
63 dvb_parse_string(parms, &service->provider, &service->provider_emph, buf, len1);
64 buf += len;
65 }
66
67 if (buf + 1 > endbuf) {
68 dvb_logerr("%s: c short read %d bytes", __func__, 1);
69 return -1;
70 }
71
72 len = buf[0];
73 len2 = len;
74 buf++;
75
76 if (buf + len > endbuf) {
77 dvb_logerr("%s: d short read %d bytes", __func__, len);
78 return -1;
79 }
80
81 if (len) {
82 dvb_parse_string(parms, &service->name, &service->name_emph, buf, len2);
83 buf += len;
84 }
85 return 0;
86 }
87
dvb_desc_service_free(struct dvb_desc * desc)88 void dvb_desc_service_free(struct dvb_desc *desc)
89 {
90 struct dvb_desc_service *service = (struct dvb_desc_service *) desc;
91 free(service->provider);
92 free(service->provider_emph);
93 free(service->name);
94 free(service->name_emph);
95 }
96
dvb_desc_service_print(struct dvb_v5_fe_parms * parms,const struct dvb_desc * desc)97 void dvb_desc_service_print(struct dvb_v5_fe_parms *parms, const struct dvb_desc *desc)
98 {
99 const struct dvb_desc_service *service = (const struct dvb_desc_service *) desc;
100 dvb_loginfo("| service type %d", service->service_type);
101 dvb_loginfo("| provider '%s'", service->provider);
102 dvb_loginfo("| name '%s'", service->name);
103 }
104
105