/*
 * This library module implements the function for constructing outgoing
 * SMS-SUBMIT PDUs, 8-bit version for raw data or UCS-2.
 */

#include <sys/types.h>
#include <strings.h>

make_sms_submit_pdu_8bit(da, pid, dcs, textsrc, textlen, udh, udhl, outbuf)
	u_char *da, *textsrc, *udh, *outbuf;
	unsigned textlen, udhl;
{
	u_char *outp = outbuf;
	unsigned addr_field_len;
	unsigned udh_octets;
	unsigned udl;

	if (udh)
		*outp++ = 0x41;
	else
		*outp++ = 0x01;
	*outp++ = 0;
	addr_field_len = ((da[0] + 1) >> 1) + 2;
	bcopy(da, outp, addr_field_len);
	outp += addr_field_len;
	*outp++ = pid;
	*outp++ = dcs;
	if (udh)
		udh_octets = udhl + 1;
	else
		udh_octets = 0;
	udl = udh_octets + textlen;
	*outp++ = udl;
	if (udh) {
		*outp++ = udhl;
		bcopy(udh, outp, udhl);
		outp += udhl;
	}
	bcopy(textsrc, outp, textlen);
	outp += textlen;
	return (outp - outbuf);
}