return 1;
}
-int main(int argc, char *argv[]) {
+static int run(int argc, char *argv[]) {
int r;
/* This is mostly intended to be used for scripts which want
r = parse_argv(argc, argv);
if (r <= 0)
- return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+ return r;
switch (arg_mode) {
-
case ONLY_VM:
r = detect_vm();
- if (r < 0) {
- log_error_errno(r, "Failed to check for VM: %m");
- return EXIT_FAILURE;
- }
-
+ if (r < 0)
+ return log_error_errno(r, "Failed to check for VM: %m");
break;
case ONLY_CONTAINER:
r = detect_container();
- if (r < 0) {
- log_error_errno(r, "Failed to check for container: %m");
- return EXIT_FAILURE;
- }
-
+ if (r < 0)
+ return log_error_errno(r, "Failed to check for container: %m");
break;
case ONLY_CHROOT:
r = running_in_chroot();
- if (r < 0) {
- log_error_errno(r, "Failed to check for chroot() environment: %m");
- return EXIT_FAILURE;
- }
-
- return r ? EXIT_SUCCESS : EXIT_FAILURE;
+ if (r < 0)
+ return log_error_errno(r, "Failed to check for chroot() environment: %m");
+ return !r;
case ONLY_PRIVATE_USERS:
r = running_in_userns();
- if (r < 0) {
- log_error_errno(r, "Failed to check for user namespace: %m");
- return EXIT_FAILURE;
- }
-
- return r ? EXIT_SUCCESS : EXIT_FAILURE;
+ if (r < 0)
+ return log_error_errno(r, "Failed to check for user namespace: %m");
+ return !r;
case ANY_VIRTUALIZATION:
default:
r = detect_virtualization();
- if (r < 0) {
- log_error_errno(r, "Failed to check for virtualization: %m");
- return EXIT_FAILURE;
- }
-
+ if (r < 0)
+ return log_error_errno(r, "Failed to check for virtualization: %m");
break;
}
if (!arg_quiet)
puts(virtualization_to_string(r));
- return r != VIRTUALIZATION_NONE ? EXIT_SUCCESS : EXIT_FAILURE;
+ return r == VIRTUALIZATION_NONE;
}
+
+DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run);