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| author | Bart De Schuymer <bdschuym@pandora.be> | 2004-11-14 13:22:29 +0000 |
|---|---|---|
| committer | Bart De Schuymer <bdschuym@pandora.be> | 2004-11-14 13:22:29 +0000 |
| commit | 620443a95a3fa0224f244102be0480942fbbcd8a (patch) | |
| tree | 7b8b7f83a75df9165e9a06a01017978d228c09a2 | |
| parent | 9557dce22c6faa7f8ecb1f7723e66a9f307ce2d4 (diff) | |
| download | ebtables-620443a95a3fa0224f244102be0480942fbbcd8a.tar.gz ebtables-620443a95a3fa0224f244102be0480942fbbcd8a.tar.bz2 ebtables-620443a95a3fa0224f244102be0480942fbbcd8a.zip | |
prevent segfault
| -rw-r--r-- | useful_functions.c | 2 |
1 files changed, 2 insertions, 0 deletions
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"); |