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Diffstat (limited to 'src/detect-virt/detect-virt.c')
-rw-r--r--src/detect-virt/detect-virt.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/src/detect-virt/detect-virt.c b/src/detect-virt/detect-virt.c
index 8cf8dcfabc..ff5bee56f9 100644
--- a/src/detect-virt/detect-virt.c
+++ b/src/detect-virt/detect-virt.c
@@ -36,18 +36,15 @@ static enum {
ONLY_CONTAINER
} arg_mode = ANY_VIRTUALIZATION;
-static int help(void) {
-
+static void help(void) {
printf("%s [OPTIONS...]\n\n"
"Detect execution in a virtualized environment.\n\n"
" -h --help Show this help\n"
" --version Show package version\n"
" -c --container Only detect whether we are run in a container\n"
" -v --vm Only detect whether we are run in a VM\n"
- " -q --quiet Don't output anything, just set return value\n",
- program_invocation_short_name);
-
- return 0;
+ " -q --quiet Don't output anything, just set return value\n"
+ , program_invocation_short_name);
}
static int parse_argv(int argc, char *argv[]) {
@@ -70,12 +67,13 @@ static int parse_argv(int argc, char *argv[]) {
assert(argc >= 0);
assert(argv);
- while ((c = getopt_long(argc, argv, "hqcv", options, NULL)) >= 0) {
+ while ((c = getopt_long(argc, argv, "hqcv", options, NULL)) >= 0)
switch (c) {
case 'h':
- return help();
+ help();
+ return 0;
case ARG_VERSION:
puts(PACKAGE_STRING);
@@ -100,10 +98,10 @@ static int parse_argv(int argc, char *argv[]) {
default:
assert_not_reached("Unhandled option");
}
- }
if (optind < argc) {
- help();
+ log_error("%s takes no arguments.",
+ program_invocation_short_name);
return -EINVAL;
}