Re: gnokii smsd not giving me a clue as to why it is not sending and receiving sms'

I discovered that the 'PDU mode set' message is in 'atgen.c' so I added some
debug to find out where is was crashing and I think that the following line
in the 'AT_WriteSMS' function is causing a problem:

        memcpy(req2 + offset + 3, data->raw_sms->remote_number, tmp + 2);

I think that the problem is that 'offset' is -1 when drvinst->no_smsc = 1
(as set a little higher in the code)

	if (drvinst->no_smsc) {
		/* not even a length byte included */
		offset--;
	} else {
		memcpy(req2, data->raw_sms->message_center,
		            data->raw_sms->message_center[0] + 1);
		offset += data->raw_sms->message_center[0];
	}

My C is not good enough but if you do 'req2 + offset + 2' as an address into
'memcpy' when 'offset' is -1 is this valid?

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