{ "status", required_argument, NULL, ARG_STATUS },
{ "booted", no_argument, NULL, ARG_BOOTED },
{ "readahead", required_argument, NULL, ARG_READAHEAD },
- { NULL, 0, NULL, 0 }
+ {}
};
int c;
switch (c) {
case 'h':
- help();
- return 0;
+ return help();
case ARG_VERSION:
puts(PACKAGE_STRING);
return -EINVAL;
default:
- log_error("Unknown option code %c", c);
- return -EINVAL;
+ assert_not_reached("Unhandled option");
}
}
}
int main(int argc, char* argv[]) {
- char* our_env[4], **final_env = NULL;
+ _cleanup_free_ char *status = NULL, *cpid = NULL, *n = NULL;
+ _cleanup_strv_free_ char **final_env = NULL;
+ char* our_env[4];
unsigned i = 0;
- char *status = NULL, *cpid = NULL, *n = NULL;
- int r, retval = EXIT_FAILURE;
+ int r;
log_parse_environment();
log_open();
- if ((r = parse_argv(argc, argv)) <= 0) {
- retval = r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+ r = parse_argv(argc, argv);
+ if (r <= 0)
goto finish;
- }
if (arg_booted)
return sd_booted() <= 0;
if (arg_readahead) {
- if ((r = sd_readahead(arg_readahead)) < 0) {
+ r = sd_readahead(arg_readahead);
+ if (r < 0) {
log_error("Failed to issue read-ahead control command: %s", strerror(-r));
goto finish;
}
our_env[i++] = (char*) "READY=1";
if (arg_status) {
- if (!(status = strappend("STATUS=", arg_status))) {
- log_error("Failed to allocate STATUS string.");
+ status = strappend("STATUS=", arg_status);
+ if (!status) {
+ r = log_oom();
goto finish;
}
}
if (arg_pid > 0) {
- if (asprintf(&cpid, "MAINPID=%lu", (unsigned long) arg_pid) < 0) {
- log_error("Failed to allocate MAINPID string.");
+ if (asprintf(&cpid, "MAINPID="PID_FMT, arg_pid) < 0) {
+ r = log_oom();
goto finish;
}
our_env[i++] = NULL;
- if (!(final_env = strv_env_merge(2, our_env, argv + optind))) {
- log_error("Failed to merge string sets.");
+ final_env = strv_env_merge(2, our_env, argv + optind);
+ if (!final_env) {
+ r = log_oom();
goto finish;
}
if (strv_length(final_env) <= 0) {
- retval = EXIT_SUCCESS;
+ r = 0;
goto finish;
}
- if (!(n = strv_join(final_env, "\n"))) {
- log_error("Failed to concatenate strings.");
+ n = strv_join(final_env, "\n");
+ if (!n) {
+ r = log_oom();
goto finish;
}
- if ((r = sd_notify(false, n)) < 0) {
+ r = sd_pid_notify(arg_pid, false, n);
+ if (r < 0) {
log_error("Failed to notify init system: %s", strerror(-r));
goto finish;
}
- retval = r <= 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+ if (r == 0)
+ r = -ENOTSUP;
finish:
- free(status);
- free(cpid);
- free(n);
-
- strv_free(final_env);
-
- return retval;
+ return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}