| /* SPDX-License-Identifier: LGPL-2.1+ */ |
| /*** |
| This file is part of systemd. |
| |
| Copyright 2010 Lennart Poettering |
| |
| systemd is free software; you can redistribute it and/or modify it |
| under the terms of the GNU Lesser General Public License as published by |
| the Free Software Foundation; either version 2.1 of the License, or |
| (at your option) any later version. |
| |
| systemd is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public License |
| along with systemd; If not, see <http://www.gnu.org/licenses/>. |
| ***/ |
| |
| #include "util.h" |
| |
| int main(int argc, char *argv[]) { |
| int r; |
| |
| /* This is mostly intended to be used for scripts which want |
| * to detect whether AC power is plugged in or not. */ |
| |
| r = on_ac_power(); |
| if (r < 0) { |
| log_error_errno(r, "Failed to read AC status: %m"); |
| return EXIT_FAILURE; |
| } |
| |
| return r != 0 ? EXIT_SUCCESS : EXIT_FAILURE; |
| } |