summaryrefslogtreecommitdiff
path: root/src/systemd-ac-power/ac-power.c
blob: c5277884a805d8d30f46c1ab67011db9db25f72d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
/***
  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;
}