From 10658ebe604bd0fe5285cd690eae194b7ad86bf9 Mon Sep 17 00:00:00 2001
From: leitner <leitner>
Date: Fri, 5 Aug 2005 14:38:28 +0000
Subject: [PATCH] only write if dest is non-NULL

---
 socket/fmt_ip6.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/socket/fmt_ip6.c b/socket/fmt_ip6.c
index a018884..20ab8b9 100644
--- a/socket/fmt_ip6.c
+++ b/socket/fmt_ip6.c
@@ -40,7 +40,7 @@ unsigned int fmt_ip6(char *s,const char ip[16])
       }
     }
   }
-  if (compressing) { *s++=':'; ++len; }
+  if (compressing) { if (s) *s++=':'; ++len; }
 
 /*  if (s) *s=0; */
   return len;