# HG changeset patch
# User Mychaela Falconia <falcon@freecalypso.org>
# Date 1517697680 0
# Node ID 110fffa1f0017aa56b2f409ecc8c3e9b899997a3
# Parent  d29b45c4c8dbb1ebed105e8a0e2bee5c58725c0a
uptools/libcoding: digit decoding implemented

diff -r d29b45c4c8db -r 110fffa1f001 uptools/libcoding/Makefile
--- a/uptools/libcoding/Makefile	Sat Feb 03 22:21:15 2018 +0000
+++ b/uptools/libcoding/Makefile	Sat Feb 03 22:41:20 2018 +0000
@@ -1,7 +1,7 @@
 CC=	gcc
 CFLAGS=	-O2
 OBJS=	decode_helpers.o gsm7_decode.o gsm7_decode_tables.o gsm7_unpack.o \
-	hexdecode.o ucs2_decode.o
+	hexdecode.o number_decode.o ucs2_decode.o
 LIB=	libcoding.a
 
 all:	${LIB}
diff -r d29b45c4c8db -r 110fffa1f001 uptools/libcoding/number_decode.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uptools/libcoding/number_decode.c	Sat Feb 03 22:41:20 2018 +0000
@@ -0,0 +1,28 @@
+/*
+ * This library module implements the decoding of number (address) digits.
+ */
+
+#include <sys/types.h>
+
+char gsm_address_digits[16] =
+	{'0','1','2','3','4','5','6','7','8','9','*','#','a','b','c','?'};
+
+decode_address_digits(inbuf, outbuf, ndigits)
+	u_char *inbuf;
+	char *outbuf;
+	unsigned ndigits;
+{
+	u_char *inp = inbuf;
+	char *outp = outbuf;
+	unsigned n = 0, b;
+
+	while (n < ndigits) {
+		b = *inp++;
+		*outp++ = gsm_address_digits[b & 0xF];
+		n++;
+		if (n >= ndigits)
+			break;
+		*outp++ = gsm_address_digits[b >> 4];
+		n++;
+	}
+}