view uptools/libcoding/scaddr.c @ 598:9f7a263ad7f0

sms-pdu-decode split in preparation for pcm-sms-decode addition
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 08 Feb 2020 00:48:28 +0000
parents ea41b6001848
children
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/*
 * This library module contains the code that figures out how many digits
 * are there in a PDU-encoded Service Centre address.
 */

#include <sys/types.h>

sc_addr_ndigits(sca)
	u_char *sca;
{
	unsigned nb, nd;

	nb = sca[0];
	nd = (nb - 1) * 2;
	if ((sca[nb] & 0xF0) == 0xF0)
		nd--;
	return nd;
}