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Diffstat (limited to 'src/cgls/cgls.c')
-rw-r--r--src/cgls/cgls.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/src/cgls/cgls.c b/src/cgls/cgls.c
index 052ac8ffca..6e9bd232a9 100644
--- a/src/cgls/cgls.c
+++ b/src/cgls/cgls.c
@@ -46,8 +46,7 @@ static bool arg_all = false;
static int arg_full = -1;
static char* arg_machine = NULL;
-static int help(void) {
-
+static void help(void) {
printf("%s [OPTIONS...] [CGROUP...]\n\n"
"Recursively show control group contents.\n\n"
" -h --help Show this help\n"
@@ -56,10 +55,8 @@ static int help(void) {
" -a --all Show all groups, including empty\n"
" -l --full Do not ellipsize output\n"
" -k Include kernel threads in output\n"
- " -M --machine Show container\n",
- program_invocation_short_name);
-
- return 0;
+ " -M --machine Show container\n"
+ , program_invocation_short_name);
}
static int parse_argv(int argc, char *argv[]) {
@@ -84,12 +81,13 @@ static int parse_argv(int argc, char *argv[]) {
assert(argc >= 1);
assert(argv);
- while ((c = getopt_long(argc, argv, "hkalM:", options, NULL)) >= 0) {
+ while ((c = getopt_long(argc, argv, "hkalM:", options, NULL)) >= 0)
switch (c) {
case 'h':
- return help();
+ help();
+ return 0;
case ARG_VERSION:
puts(PACKAGE_STRING);
@@ -122,7 +120,6 @@ static int parse_argv(int argc, char *argv[]) {
default:
assert_not_reached("Unhandled option");
}
- }
return 1;
}