From eccfa510eebbda0703971e3f708c293cfd6471a5 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sun, 16 Apr 2017 20:10:42 +0100
Subject: [PATCH] ipif: eat_optionalstr: understand that *argp may be 0

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 ipif/service.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ipif/service.c b/ipif/service.c
index 7821a46..5190151 100644
--- a/ipif/service.c
+++ b/ipif/service.c
@@ -338,7 +338,7 @@ static char *eat_optionalstr(const char **argp,
       *argp= comma + 1;
     } else {
       len= strlen(start);
-      *argp= start + len;
+      *argp= 0;
     }
   }
   if (!len) {
-- 
2.30.2