#include <stdio.h>
#include <getopt.h>
-#include <error.h>
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
static bool arg_booted = false;
static const char *arg_readahead = NULL;
-static int help(void) {
-
+static void help(void) {
printf("%s [OPTIONS...] [VARIABLE=VALUE...]\n\n"
"Notify the init system about service status updates.\n\n"
" -h --help Show this help\n"
" --booted Returns 0 if the system was booted up with systemd, non-zero otherwise\n"
" --readahead=ACTION Controls read-ahead operations\n",
program_invocation_short_name);
-
- return 0;
}
static int parse_argv(int argc, char *argv[]) {
switch (c) {
case 'h':
- return help();
+ help();
+ return 0;
case ARG_VERSION:
puts(PACKAGE_STRING);