diff options
Diffstat (limited to 'src/detect-virt')
| -rw-r--r-- | src/detect-virt/detect-virt.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/src/detect-virt/detect-virt.c b/src/detect-virt/detect-virt.c index 8cf8dcfab..ff5bee56f 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; } |