From 9d805f411aa7c6929d55e43c25415cfea4f2847c Mon Sep 17 00:00:00 2001
From: bartpolot <bartpolot@140774ce-b5e7-0310-ab8b-a85725594a96>
Date: Tue, 18 Dec 2012 18:25:20 +0000
Subject: - check return

git-svn-id: https://gnunet.org/svn/gnunet@25529 140774ce-b5e7-0310-ab8b-a85725594a96
---
 src/regex/perf-regex.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/regex/perf-regex.c b/src/regex/perf-regex.c
index 2571419d76..49a50cb8a9 100644
--- a/src/regex/perf-regex.c
+++ b/src/regex/perf-regex.c
@@ -65,6 +65,11 @@ main (int argc, char *const *argv)
   }
   regexes = GNUNET_REGEX_read_from_file (argv[1]);
 
+  if (NULL == regexes)
+  {
+    usage();
+    return 2;
+  }
   buffer = GNUNET_REGEX_combine (regexes);
 
   GNUNET_asprintf (&regex, "GNVPN-0001-PAD(%s)(0|1)*", buffer);
-- 
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