/*set_parameter_structure*/
A661_INTERNAL int a661_msg_csp_header(buffer_el msg[], const a661_ushort wid)
{
msg[0]= GET_BYTE_1(A661_CMD_SET_PARAMETER);
msg[1]= GET_BYTE_0(A661_CMD_SET_PARAMETER);
/*size delayed*/
msg[4]= GET_BYTE_1(wid);
msg[5]= GET_BYTE_0(wid);
msg[6]=0;/*padding*/
msg[7]=0;
return 8;
}
/*Block Structure Exchanged Between UA and CDS at Run Time*/
A661_INTERNAL int a661_msg_cmd_header(buffer_el msg[], const a661_uchar layer_id,
const a661_ushort context_number)
{
msg[0] = GET_BYTE_0(A661_BEGIN_BLOCK);
msg[1] = GET_BYTE_0(layer_id);
msg[2] = GET_BYTE_1(context_number);
msg[3] = GET_BYTE_0(context_number);
return 4;
}
GString *base64_decode (const gchar *str)
{
guint i;
GString *tmp;
char group[4];
guint filled = 0;
for (i = 0; str[i]; i++)
{
if (str[i] != 'A' &&
str[i] != '=' &&
!isspace (str[i]) &&
decoding[(guchar) str[i]] == 0)
{
DEBUG ("bad character %x at byte %u", (guchar)str[i], i);
return NULL;
}
}
tmp = g_string_new ("");
for (i = 0; str[i]; i++)
{
if (isspace (str[i]))
continue;
group[filled++] = str[i];
if (filled == 4)
{
if (group[3] == '=')
{
if (group[2] == '=')
{
g_string_append_c (tmp, GET_BYTE_0(group));
}
else
{
g_string_append_c (tmp, GET_BYTE_0(group));
g_string_append_c (tmp, GET_BYTE_1(group));
}
}
else
{
g_string_append_c (tmp, GET_BYTE_0(group));
g_string_append_c (tmp, GET_BYTE_1(group));
g_string_append_c (tmp, GET_BYTE_2(group));
}
filled = 0;
}
}
if (filled)
{
DEBUG ("insufficient padding at end of base64 string:\n%s", str);
g_string_free (tmp, TRUE);
return NULL;
}
return tmp;
}
