diff options
author | Lennart Poettering <lennart@poettering.net> | 2010-10-19 21:19:12 +0200 |
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committer | Lennart Poettering <lennart@poettering.net> | 2010-10-19 21:19:12 +0200 |
commit | 3d20ed6d51e38968cd646e2b3b24f36673408024 (patch) | |
tree | 21db3888129357a77d8626b537b97aba79f69496 /src/ac-power.c | |
parent | 688c6725017bf9b8b229bfc5823121858925c035 (diff) |
fsck: add initial version of fsck and quotacheck wrappers
Diffstat (limited to 'src/ac-power.c')
-rw-r--r-- | src/ac-power.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/ac-power.c b/src/ac-power.c new file mode 100644 index 0000000000..a30216ffb3 --- /dev/null +++ b/src/ac-power.c @@ -0,0 +1,98 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/*** + 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 General Public License as published by + the Free Software Foundation; either version 2 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 + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <stdlib.h> +#include <stdbool.h> +#include <errno.h> +#include <string.h> +#include <libudev.h> + +#include "util.h" +#include "ac-power.h" + +int on_ac_power(void) { + int r; + + struct udev *udev; + struct udev_enumerate *e = NULL; + struct udev_list_entry *item = NULL, *first = NULL; + bool found_offline = false, found_online = false; + + if (!(udev = udev_new())) { + r = -ENOMEM; + goto finish; + } + + if (!(e = udev_enumerate_new(udev))) { + r = -ENOMEM; + goto finish; + } + + if (udev_enumerate_add_match_subsystem(e, "power_supply") < 0) { + r = -EIO; + goto finish; + } + + if (udev_enumerate_scan_devices(e) < 0) { + r = -EIO; + goto finish; + } + + first = udev_enumerate_get_list_entry(e); + udev_list_entry_foreach(item, first) { + struct udev_device *d; + const char *type, *online; + + if (!(d = udev_device_new_from_syspath(udev, udev_list_entry_get_name(item)))) { + r = -ENOMEM; + goto finish; + } + + if (!(type = udev_device_get_sysattr_value(d, "type"))) + goto next; + + if (!streq(type, "Mains")) + goto next; + + if (!(online = udev_device_get_sysattr_value(d, "online"))) + goto next; + + if (streq(online, "1")) { + found_online = true; + break; + } else if (streq(online, "0")) + found_offline = true; + + next: + udev_device_unref(d); + } + + r = found_online || !found_offline; + +finish: + if (e) + udev_enumerate_unref(e); + + if (udev) + udev_unref(udev); + + return r; +} |