From fb147339214f94241129a9dcb891b2d8a673b772 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Nieper-Wi=C3=9Fkirchen?= <marc@nieper-wisskirchen.de>
Date: Mon, 6 Jun 2016 08:57:45 +0200
Subject: [PATCH] Prevent segfault when '-t' option is given without argument

---
 main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/main.c b/main.c
index ab2dc993..be1b0d6c 100644
--- a/main.c
+++ b/main.c
@@ -466,6 +466,7 @@ sexp run_main (int argc, char **argv) {
       load_init(1);
       arg = ((argv[i][2] == '\0') ? argv[++i] : argv[i]+2);
 #if SEXP_USE_MODULES
+      check_nonull_arg('t', arg);
       suffix = strrchr(arg, '.');
       sym = sexp_intern(ctx, suffix + 1, -1);
       *(char*)suffix = '\0';