sysmocom
/
ofono
mirror of git://git.sysmocom.de/ofono
11
0
Fork 0
Code Issues Releases Activity

smsutil: Add a decoder for ussd pdus

This commit is contained in:
Yang Gu 2010-06-17 18:35:07 +08:00 committed by Denis Kenzior
parent 31d29608e0
commit 179c14fe39
2 changed files with 46 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
src/smsutil.c
View File

@ -3747,3 +3747,47 @@ gboolean cbs_topic_in_range(unsigned int topic, GSList *ranges)
return g_slist_find_custom(ranges, GUINT_TO_POINTER(topic),
cbs_topic_compare) != NULL;
}
char *ussd_decode(int dcs, int len, const unsigned char *data)
{
gboolean udhi;
enum sms_charset charset;
gboolean compressed;
gboolean iso639;
char *utf8;
if (!cbs_dcs_decode(dcs, &udhi, NULL, &charset,
&compressed, NULL, &iso639))
return NULL;
if (udhi || compressed || iso639)
return NULL;
switch (charset) {
case SMS_CHARSET_7BIT:
{
long written;
unsigned char *unpacked = unpack_7bit(data, len, 0, TRUE, 0,
&written, 0);
if (unpacked == NULL)
return NULL;
utf8 = convert_gsm_to_utf8(unpacked, written, NULL, NULL, 0);
g_free(unpacked);
break;
}
case SMS_CHARSET_8BIT:
utf8 = convert_gsm_to_utf8(data, len, NULL, NULL, 0);
break;
case SMS_CHARSET_UCS2:
utf8 = g_convert((const gchar *) data, len,
"UTF-8//TRANSLIT", "UCS-2BE",
NULL, NULL, NULL);
break;
default:
utf8 = NULL;
}
return utf8;
}

2
src/smsutil.h
View File

@ -508,3 +508,5 @@ char *cbs_topic_ranges_to_string(GSList *ranges);
GSList *cbs_extract_topic_ranges(const char *ranges);
GSList *cbs_optimize_ranges(GSList *ranges);
gboolean cbs_topic_in_range(unsigned int topic, GSList *ranges);
char *ussd_decode(int dcs, int len, const unsigned char *data);