From 620443a95a3fa0224f244102be0480942fbbcd8a Mon Sep 17 00:00:00 2001 From: Bart De Schuymer Date: Sun, 14 Nov 2004 13:22:29 +0000 Subject: prevent segfault --- useful_functions.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'useful_functions.c') diff --git a/useful_functions.c b/useful_functions.c index e0b1e4c..a36062e 100644 --- a/useful_functions.c +++ b/useful_functions.c @@ -151,6 +151,8 @@ int ebt_invert = 0; */ int ebt_check_inverse(const char option[]) { + if (!option) + return ebt_invert; if (strcmp(option, "!") == 0) { if (ebt_invert == 1) ebt_print_error("double use of '!' not allowed"); -- cgit v1.2.3