/* See LICENSE file for copyright and license details. */
-#include <errno.h>
#include <stdio.h>
#include <string.h>
#if defined(__linux__)
#include <limits.h>
+ #include <stdint.h>
#include <unistd.h>
- #define CHARGE_NOW "/sys/class/power_supply/%s/charge_now"
- #define ENERGY_NOW "/sys/class/power_supply/%s/energy_now"
- #define CURRENT_NOW "/sys/class/power_supply/%s/current_now"
- #define POWER_NOW "/sys/class/power_supply/%s/power_now"
-
static const char *
- pick(const char *bat, const char *f1, const char *f2, char *path, size_t length)
+ pick(const char *bat, const char *f1, const char *f2, char *path,
+ size_t length)
{
- if (esnprintf(path, length, f1, bat) > 0 && access(path, R_OK) == 0) {
+ if (esnprintf(path, length, f1, bat) > 0 &&
+ access(path, R_OK) == 0) {
return f1;
}
- if (esnprintf(path, length, f2, bat) > 0 && access(path, R_OK) == 0) {
+ if (esnprintf(path, length, f2, bat) > 0 &&
+ access(path, R_OK) == 0) {
return f2;
}
char path[PATH_MAX];
if (esnprintf(path, sizeof(path),
- "/sys/class/power_supply/%s/capacity",
- bat) < 0) {
+ "/sys/class/power_supply/%s/capacity", bat) < 0) {
return NULL;
}
if (pscanf(path, "%d", &perc) != 1) {
char path[PATH_MAX], state[12];
if (esnprintf(path, sizeof(path),
- "/sys/class/power_supply/%s/status",
- bat) < 0) {
+ "/sys/class/power_supply/%s/status", bat) < 0) {
return NULL;
}
if (pscanf(path, "%12s", state) != 1) {
const char *
battery_remaining(const char *bat)
{
- int charge_now, current_now, m, h;
- float timeleft;
+ uintmax_t charge_now, current_now, m, h;
+ double timeleft;
char path[PATH_MAX], state[12];
if (esnprintf(path, sizeof(path),
- "/sys/class/power_supply/%s/status",
- bat) < 0) {
+ "/sys/class/power_supply/%s/status", bat) < 0) {
return NULL;
}
if (pscanf(path, "%12s", state) != 1) {
return NULL;
}
- if (pick(bat, CHARGE_NOW, ENERGY_NOW, path, sizeof (path)) == NULL ||
- pscanf(path, "%d", &charge_now) < 0) {
+ if (!pick(bat, "/sys/class/power_supply/%s/charge_now",
+ "/sys/class/power_supply/%s/energy_now", path,
+ sizeof(path)) ||
+ pscanf(path, "%ju", &charge_now) < 0) {
return NULL;
}
if (!strcmp(state, "Discharging")) {
- if (pick(bat, CURRENT_NOW, POWER_NOW, path, sizeof (path)) == NULL ||
- pscanf(path, "%d", ¤t_now) < 0) {
+ if (!pick(bat, "/sys/class/power_supply/%s/current_now",
+ "/sys/class/power_supply/%s/power_now", path,
+ sizeof(path)) ||
+ pscanf(path, "%ju", ¤t_now) < 0) {
+ return NULL;
+ }
+
+ if (current_now == 0) {
return NULL;
}
- timeleft = (float)charge_now / (float)current_now;
+ timeleft = (double)charge_now / (double)current_now;
h = timeleft;
- m = (timeleft - (float)h) * 60;
+ m = (timeleft - (double)h) * 60;
- return bprintf("%dh %dm", h, m);
+ return bprintf("%juh %jum", h, m);
}
return "";
if (load_apm_power_info(&apm_info)) {
if (apm_info.ac_state != APM_AC_ON) {
- return bprintf("%uh %02um", apm_info.minutes_left / 60,
+ return bprintf("%uh %02um",
+ apm_info.minutes_left / 60,
apm_info.minutes_left % 60);
} else {
return "";
return NULL;
}
+#elif defined(__FreeBSD__)
+ #include <sys/sysctl.h>
+
+ const char *
+ battery_perc(const char *unused)
+ {
+ int cap;
+ size_t len;
+
+ len = sizeof(cap);
+ if (sysctlbyname("hw.acpi.battery.life", &cap, &len, NULL, 0) == -1
+ || !len)
+ return NULL;
+
+ return bprintf("%d", cap);
+ }
+
+ const char *
+ battery_state(const char *unused)
+ {
+ int state;
+ size_t len;
+
+ len = sizeof(state);
+ if (sysctlbyname("hw.acpi.battery.state", &state, &len, NULL, 0) == -1
+ || !len)
+ return NULL;
+
+ switch(state) {
+ case 0:
+ case 2:
+ return "+";
+ case 1:
+ return "-";
+ default:
+ return "?";
+ }
+ }
+
+ const char *
+ battery_remaining(const char *unused)
+ {
+ int rem;
+ size_t len;
+
+ len = sizeof(rem);
+ if (sysctlbyname("hw.acpi.battery.time", &rem, &len, NULL, 0) == -1
+ || !len
+ || rem == -1)
+ return NULL;
+
+ return bprintf("%uh %02um", rem / 60, rem % 60);
+ }
#endif