From df3cdaf89fc5a98ae9f2103a364c51ccdfc9ab5b Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@osmocom.org>
Date: Fri, 1 Jan 2021 16:35:37 +0100
Subject: [PATCH] implement 7bit alphabet encoding

Change-Id: Ia3da7638c88a746259944198267af01b311ef630
---
 src/charset.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/charset.c b/src/charset.c
index 8f66585..a93198e 100644
--- a/src/charset.c
+++ b/src/charset.c
@@ -21,6 +21,7 @@
  */
 
 #include <iconv.h>
+#include <osmocom/gsm/gsm_utils.h>
 #include <osmocom/core/utils.h>
 
 #include "charset.h"
@@ -28,17 +29,17 @@
 /* return number of output bytes written */
 int charset_utf8_to_gsm7(char *out, size_t out_len, const char *in, size_t in_len)
 {
-	/* FIXME: implement this */
-	osmo_strlcpy(out, in, out_len);
-	return in_len;
+	int octets;
+	/* FIXME: implement this for 'escape' characters outside 7bit alphabet */
+	gsm_7bit_encode_n_ussd(out, out_len, in, &octets);
+	return octets;
 }
 
 /* return number of output bytes written */
 int charset_gsm7_to_utf8(char *out, size_t out_len, const char *in, size_t in_len)
 {
-	/* FIXME: implement this */
-	osmo_strlcpy(out, in, out_len);
-	return in_len;
+	/* FIXME: implement this for 'escape' characters outside 7bit alphabet */
+	return gsm_7bit_decode_n_ussd(out, out_len, in, in_len);
 }