static int process(const char *controller, const char *path, Hashmap *a, Hashmap *b, unsigned iteration) {
Group *g;
int r;
- FILE *f;
+ FILE *f = NULL;
pid_t pid;
unsigned n;
return 0;
}
-static void help(void) {
+static int help(void) {
printf("%s [OPTIONS...]\n\n"
"Show top control groups by their resource usage.\n\n"
" -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: %d)\n",
+ " --depth=DEPTH Maximum traversal depth (default: %u)\n",
program_invocation_short_name, arg_depth);
-}
-static void version(void) {
- puts(PACKAGE_STRING " cgtop");
+ return 0;
}
static int parse_argv(int argc, char *argv[]) {
{ "batch", no_argument, NULL, 'b' },
{ "depth", required_argument, NULL, ARG_DEPTH },
{ "cpu", optional_argument, NULL, ARG_CPU_TYPE},
- { NULL, 0, NULL, 0 }
+ {}
};
int c;
switch (c) {
case 'h':
- help();
- return 0;
+ return help();
case ARG_VERSION:
- version();
+ puts(PACKAGE_STRING);
+ puts(SYSTEMD_FEATURES);
return 0;
case ARG_CPU_TYPE:
return -EINVAL;
default:
- log_error("Unknown option code %c", c);
- return -EINVAL;
+ assert_not_reached("Unhandled option");
}
}