From 1faa826dea91566eb7598cd34873017753e2b8ed Mon Sep 17 00:00:00 2001
From: Sylvain Berfini <sylvain.berfini@belledonne-communications.com>
Date: Wed, 12 Oct 2016 11:04:39 +0200
Subject: [PATCH] Convert null strings to empty strings to prevent crash in
 xmlrpc

---
 coreapi/xmlrpc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/coreapi/xmlrpc.c b/coreapi/xmlrpc.c
index 5076a9391..bd74447ad 100644
--- a/coreapi/xmlrpc.c
+++ b/coreapi/xmlrpc.c
@@ -118,7 +118,7 @@ static void format_request(LinphoneXmlRpcRequest *request) {
 				err = xmlTextWriterWriteElement(writer, (const xmlChar *)"int", (const xmlChar *)si);
 				break;
 			case LinphoneXmlRpcArgString:
-				err = xmlTextWriterWriteElement(writer, (const xmlChar *)"string", (const xmlChar *)arg->data.s);
+				err = xmlTextWriterWriteElement(writer, (const xmlChar *)"string", arg->data.s ? (const xmlChar *)arg->data.s : (const xmlChar *)"");
 				break;
 		}
 		if (err >= 0) {