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Diffstat (limited to 'src/cgtop/cgtop.c')
-rw-r--r--src/cgtop/cgtop.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/src/cgtop/cgtop.c b/src/cgtop/cgtop.c
index fd0023b0a8..509fe4cdc8 100644
--- a/src/cgtop/cgtop.c
+++ b/src/cgtop/cgtop.c
@@ -548,8 +548,7 @@ static int display(Hashmap *a) {
return 0;
}
-static int help(void) {
-
+static void help(void) {
printf("%s [OPTIONS...]\n\n"
"Show top control groups by their resource usage.\n\n"
" -h --help Show this help\n"
@@ -563,10 +562,8 @@ static int help(void) {
" -d --delay=DELAY Delay between updates\n"
" -n --iterations=N Run for N iterations before exiting\n"
" -b --batch Run in batch mode, accepting no input\n"
- " --depth=DEPTH Maximum traversal depth (default: %u)\n",
- program_invocation_short_name, arg_depth);
-
- return 0;
+ " --depth=DEPTH Maximum traversal depth (default: %u)\n"
+ , program_invocation_short_name, arg_depth);
}
static int parse_argv(int argc, char *argv[]) {
@@ -594,12 +591,13 @@ static int parse_argv(int argc, char *argv[]) {
assert(argc >= 1);
assert(argv);
- while ((c = getopt_long(argc, argv, "hptcmin:bd:", options, NULL)) >= 0) {
+ while ((c = getopt_long(argc, argv, "hptcmin:bd:", options, NULL)) >= 0)
switch (c) {
case 'h':
- return help();
+ help();
+ return 0;
case ARG_VERSION:
puts(PACKAGE_STRING);
@@ -674,7 +672,6 @@ static int parse_argv(int argc, char *argv[]) {
default:
assert_not_reached("Unhandled option");
}
- }
if (optind < argc) {
log_error("Too many arguments.");