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| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2013-07-16 21:55:15 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2013-12-30 23:50:37 +0100 |
| commit | 1c73b54e826ffd28e94987b6ced51c4049661793 (patch) | |
| tree | a559657f2c9086ce8c4f8a2510a416aa5ee911a9 /iptables/xtables-events.c | |
| parent | e9a0ef8f1e27f5ef13a27f6cc984e8f2e05afd72 (diff) | |
xtables-events: print usage on wrong arguments
Set opterr to zero to skip getopt_long error reporting.
This also fixes the following compilation warning:
xtables-events.c:148:13: warning: ‘print_usage’ defined but not used [-Wunused-function]
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'iptables/xtables-events.c')
| -rw-r--r-- | iptables/xtables-events.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/iptables/xtables-events.c b/iptables/xtables-events.c index 2600a250..d4542f0b 100644 --- a/iptables/xtables-events.c +++ b/iptables/xtables-events.c @@ -172,11 +172,15 @@ int xtables_events_main(int argc, char *argv[]) init_extensions4(); #endif + opterr = 0; while ((c = getopt_long(argc, argv, "c", options, NULL)) != -1) { switch (c) { case 'c': counters = true; break; + default: + print_usage(argv[0], XTABLES_VERSION); + exit(EXIT_FAILURE); } } |