X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fac-power%2Fac-power.c;h=bd1b6ecc72c780245373cffd2476473642888fad;hb=9bf3b53533cdc9b95c921b71da755401f223f765;hp=37313cf144d2051c8d250de9824d068bf0eb33c2;hpb=dce818b390a857a11f7dd634684500675cf79833;p=elogind.git
diff --git a/src/ac-power/ac-power.c b/src/ac-power/ac-power.c
index 37313cf14..bd1b6ecc7 100644
--- a/src/ac-power/ac-power.c
+++ b/src/ac-power/ac-power.c
@@ -19,93 +19,19 @@
along with systemd; If not, see .
***/
-#include
-#include
-#include
-#include
-#include
-
#include "util.h"
-static 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;
-}
-
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. */
- if ((r = on_ac_power()) < 0) {
+ r = on_ac_power();
+ if (r < 0) {
log_error("Failed to read AC status: %s", strerror(-r));
return EXIT_FAILURE;
}
- return r == 0;
+ return r != 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}