diff options
Diffstat (limited to 'extensions/ebt_string.c')
-rw-r--r-- | extensions/ebt_string.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/extensions/ebt_string.c b/extensions/ebt_string.c index 3deff1b..7d24f80 100644 --- a/extensions/ebt_string.c +++ b/extensions/ebt_string.c @@ -168,7 +168,9 @@ static int parse(int c, char **argv, int argc, const struct ebt_u_entry *entry, ebt_check_option2(flags, OPT_STRING_ALGO); if (ebt_check_inverse2(optarg)) ebt_print_error2("Unexpected `!' after --string-algo"); - snprintf(info->algo, sizeof(info->algo), "%s", optarg); + if (snprintf(info->algo, sizeof(info->algo), "%s", optarg) >= + sizeof(info->algo)) + ebt_print_error2("\"%s\" is truncated", info->algo); break; case STRING_ICASE: ebt_check_option2(flags, OPT_STRING_ICASE); |