FreeCalypso > hg > sms-coding-utils

diff libcoding/scaddr.c @ 27:7418ca2e9949

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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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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libcoding/scaddr.c	Thu Jun 13 02:29:29 2024 +0000
@@ -0,0 +1,18 @@
+/*
+ * 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;
+}