diff options
| -rw-r--r-- | components/battery.c | 41 |
1 files changed, 27 insertions, 14 deletions
diff --git a/components/battery.c b/components/battery.c index 5031608..5d7a385 100644 --- a/components/battery.c +++ b/components/battery.c @@ -7,6 +7,26 @@ #if defined(__linux__) #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) + { + 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) { + return f2; + } + + return NULL; + } const char * battery_perc(const char *bat) @@ -72,21 +92,14 @@ return NULL; } + if (pick(bat, CHARGE_NOW, ENERGY_NOW, path, sizeof (path)) == NULL || + pscanf(path, "%d", &charge_now) < 0) { + return NULL; + } + if (!strcmp(state, "Discharging")) { - if (esnprintf(path, sizeof(path), - "/sys/class/power_supply/%s/charge_now", - bat) < 0) { - return NULL; - } - if (pscanf(path, "%d", &charge_now) != 1) { - return NULL; - } - if (esnprintf(path, sizeof(path), - "/sys/class/power_supply/%s/current_now", - bat) < 0) { - return NULL; - } - if (pscanf(path, "%d", ¤t_now) != 1) { + if (pick(bat, CURRENT_NOW, POWER_NOW, path, sizeof (path)) == NULL || + pscanf(path, "%d", ¤t_now) < 0) { return NULL; } |