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boot-check-no-failures: define main through macro

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This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2018-11-16 10:44:36 +01:00
parent 9a5cedc319
commit 02434ea263
1 changed files with 9 additions and 14 deletions
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23
src/boot/boot-check-no-failures.c
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@ -61,7 +61,7 @@ static int parse_argv(int argc, char *argv[]) {
return 1;
}
int main(int argc, char *argv[]) {
static int run(int argc, char *argv[]) {
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
uint32_t n;
@ -72,13 +72,11 @@ int main(int argc, char *argv[]) {
r = parse_argv(argc, argv);
if (r <= 0)
goto finish;
return r;
r = sd_bus_open_system(&bus);
if (r < 0) {
log_error_errno(r, "Failed to connect to system bus: %m");
goto finish;
}
if (r < 0)
return log_error_errno(r, "Failed to connect to system bus: %m");
r = sd_bus_get_property_trivial(
bus,
@ -89,18 +87,15 @@ int main(int argc, char *argv[]) {
&error,
'u',
&n);
if (r < 0) {
log_error_errno(r, "Failed to get failed units counter: %s", bus_error_message(&error, r));
goto finish;
}
if (r < 0)
return log_error_errno(r, "Failed to get failed units counter: %s", bus_error_message(&error, r));
if (n > 0)
log_notice("Health check: %" PRIu32 " units have failed.", n);
else
log_info("Health check: no failed units.");
r = n > 0 ? EXIT_FAILURE : EXIT_SUCCESS;
finish:
return r < 0 ? EXIT_FAILURE : r;
return n > 0;
}
DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run);