view libcoding/scaddr.c @ 27:7418ca2e9949

libcoding: add functions from freecalypso-tools/uptools/libcoding that are needed for sms-pdu-decode & pcm-sms-decode
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 13 Jun 2024 02:29:29 +0000
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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;
}