#include <limits.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)
return NULL;
}
- if (!pick(bat, CHARGE_NOW, ENERGY_NOW, path, sizeof(path)) ||
+ if (!pick(bat, "/sys/class/power_supply/%s/charge_now",
+ "/sys/class/power_supply/%s/energy_now",
+ path, sizeof(path)) ||
pscanf(path, "%d", &charge_now) < 0) {
return NULL;
}
if (!strcmp(state, "Discharging")) {
- if (!pick(bat, CURRENT_NOW, POWER_NOW, path,
+ if (!pick(bat, "/sys/class/power_supply/%s/current_now",
+ "/sys/class/power_supply/%s/power_now", path,
sizeof(path)) ||
pscanf(path, "%d", ¤t_now) < 0) {
return NULL;