static const char *arg_image = NULL;
static Volatile arg_volatile = VOLATILE_NO;
-static int help(void) {
-
+static void help(void) {
printf("%s [OPTIONS...] [PATH] [ARGUMENTS...]\n\n"
"Spawn a minimal namespace container for debugging, testing and building.\n\n"
" -h --help Show this help\n"
" the service unit nspawn is running in\n"
" --volatile[=MODE] Run the system in volatile mode\n",
program_invocation_short_name);
-
- return 0;
}
static int parse_argv(int argc, char *argv[]) {
assert(argc >= 0);
assert(argv);
- while ((c = getopt_long(argc, argv, "+hD:u:bL:M:jS:Z:qi:", options, NULL)) >= 0) {
+ while ((c = getopt_long(argc, argv, "+hD:u:bL:M:jS:Z:qi:", options, NULL)) >= 0)
switch (c) {
case 'h':
- return help();
+ help();
+ return 0;
case ARG_VERSION:
puts(PACKAGE_STRING);
case ARG_CAPABILITY:
case ARG_DROP_CAPABILITY: {
- char *state, *word;
+ const char *state, *word;
size_t length;
FOREACH_WORD_SEPARATOR(word, length, optarg, ",", state) {
default:
assert_not_reached("Unhandled option");
}
- }
if (arg_share_system)
arg_register = false;
static int register_machine(pid_t pid, int local_ifindex) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
- _cleanup_bus_unref_ sd_bus *bus = NULL;
+ _cleanup_bus_close_unref_ sd_bus *bus = NULL;
int r;
if (!arg_register)
static int terminate_machine(pid_t pid) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- _cleanup_bus_unref_ sd_bus *bus = NULL;
+ _cleanup_bus_close_unref_ sd_bus *bus = NULL;
const char *path;
int r;
/* Use two different interface name prefixes depending whether
* we are in bridge mode or not. */
- if (arg_network_bridge)
- memcpy(iface_name, "vb-", 3);
- else
- memcpy(iface_name, "ve-", 3);
- strncpy(iface_name+3, arg_machine, IFNAMSIZ - 3);
+ snprintf(iface_name, IFNAMSIZ, "%s-%s",
+ arg_network_bridge ? "vb" : "ve", arg_machine);
r = get_mac(&mac);
if (r < 0) {
}
static int change_uid_gid(char **_home) {
- char line[LINE_MAX], *w, *x, *state, *u, *g, *h;
+ char line[LINE_MAX], *x, *u, *g, *h;
+ const char *word, *state;
_cleanup_free_ uid_t *uids = NULL;
_cleanup_free_ char *home = NULL;
_cleanup_fclose_ FILE *f = NULL;
x += strcspn(x, WHITESPACE);
x += strspn(x, WHITESPACE);
- FOREACH_WORD(w, l, x, state) {
+ FOREACH_WORD(word, l, x, state) {
char c[l+1];
- memcpy(c, w, l);
+ memcpy(c, word, l);
c[l] = 0;
if (!GREEDY_REALLOC(uids, sz, n_uids+1))
for (;;) {
ContainerStatus container_status;
- _cleanup_(barrier_destroy) Barrier barrier = { };
+ _cleanup_(barrier_destroy) Barrier barrier = BARRIER_NULL;
struct sigaction sa = {
.sa_handler = nop_handler,
.sa_flags = SA_NOCLDSTOP,
};
- r = barrier_init(&barrier);
+ r = barrier_create(&barrier);
if (r < 0) {
log_error("Cannot initialize IPC barrier: %s", strerror(-r));
goto finish;