From 0b51fffea2df0869f5bb90464141f80edee930aa Mon Sep 17 00:00:00 2001
From: Assar Westerlund <assar@sics.se>
Date: Mon, 14 Jul 1997 11:39:03 +0000
Subject: [PATCH] use `err'

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@2273 ec53bebd-3082-4978-b11e-865c3cabbd6b
---
 lib/asn1/main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/asn1/main.c b/lib/asn1/main.c
index 2453fad98..46e99e55c 100644
--- a/lib/asn1/main.c
+++ b/lib/asn1/main.c
@@ -16,6 +16,8 @@ main(int argc, char **argv)
   } else {
     name = argv[1];
     yyin = fopen (name, "r");
+    if (yyin == NULL)
+	err (1, "open %s", name);
   }
 
   init_generate (name);