From 1f8eb3317b5c8e32f1138993881157c678ac1b59 Mon Sep 17 00:00:00 2001
From: Gautier Pelloux-Prayer
 <gautier.pelloux-prayer@belledonne-communications.com>
Date: Tue, 5 Apr 2016 15:21:58 +0200
Subject: [PATCH] proxy.c: fix potential crash in
 linphone_proxy_config_is_phone_number

---
 coreapi/proxy.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/coreapi/proxy.c b/coreapi/proxy.c
index ef4f47874..343289fa9 100644
--- a/coreapi/proxy.c
+++ b/coreapi/proxy.c
@@ -858,6 +858,7 @@ static bool_t lookup_dial_plan_by_ccc(const char *ccc, dial_plan_t *plan){
 
 bool_t linphone_proxy_config_is_phone_number(LinphoneProxyConfig *proxy, const char *username){
 	const char *p;
+	if (!username) return FALSE;
 	for(p=username;*p!='\0';++p){
 		if (isdigit(*p) ||
 			*p==' ' ||