+#elif defined(__FreeBSD__)
+ len = sizeof(sysctl_out);
+
+ if (sysctlbyname("hw.acpi.battery.state", &sysctl_out, &len, NULL, 0) != 0)
+ fprintf(stderr, "power update: no such sysctl");
+
+ // attemp to map the battery state to linux
+ battery_state.state = BATTERY_UNKNOWN;
+
+ switch(sysctl_out) {
+ case 1:
+ battery_state.state = BATTERY_DISCHARGING;
+ break;
+ case 2:
+ battery_state.state = BATTERY_CHARGING;
+ break;
+ default:
+ battery_state.state = BATTERY_FULL;
+ break;
+ }
+
+ // no mapping for freebsd
+ energy_full = 0;
+ energy_now = 0;
+
+ if (sysctlbyname("hw.acpi.battery.time", &sysctl_out, &len, NULL, 0) != 0)
+ seconds = -1;
+ else
+ seconds = sysctl_out * 60;
+
+ // charging or error
+ if (seconds < 0)
+ seconds = 0;
+
+ if (sysctlbyname("hw.acpi.battery.life", &sysctl_out, &len, NULL, 0) != 0)
+ new_percentage = -1;
+ else
+ new_percentage = sysctl_out;
+