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@@ -7,6 +7,26 @@ |
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#if defined(__linux__) |
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#include <limits.h> |
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#include <unistd.h> |
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#define CHARGE_NOW "/sys/class/power_supply/%s/charge_now" |
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#define ENERGY_NOW "/sys/class/power_supply/%s/energy_now" |
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#define CURRENT_NOW "/sys/class/power_supply/%s/current_now" |
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#define POWER_NOW "/sys/class/power_supply/%s/power_now" |
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static const char * |
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pick(const char *bat, const char *f1, const char *f2, char *path, size_t length) |
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{ |
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if (esnprintf(path, length, f1, bat) > 0 && access(path, R_OK) == 0) { |
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return f1; |
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} |
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if (esnprintf(path, length, f2, bat) > 0 && access(path, R_OK) == 0) { |
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return f2; |
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} |
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return NULL; |
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} |
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const char * |
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battery_perc(const char *bat) |
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@@ -72,21 +92,14 @@ |
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return NULL; |
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} |
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if (pick(bat, CHARGE_NOW, ENERGY_NOW, path, sizeof (path)) == NULL || |
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pscanf(path, "%d", &charge_now) < 0) { |
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return NULL; |
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} |
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if (!strcmp(state, "Discharging")) { |
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if (esnprintf(path, sizeof(path), |
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"/sys/class/power_supply/%s/charge_now", |
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bat) < 0) { |
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return NULL; |
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} |
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if (pscanf(path, "%d", &charge_now) != 1) { |
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return NULL; |
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} |
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if (esnprintf(path, sizeof(path), |
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"/sys/class/power_supply/%s/current_now", |
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bat) < 0) { |
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return NULL; |
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} |
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if (pscanf(path, "%d", ¤t_now) != 1) { |
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if (pick(bat, CURRENT_NOW, POWER_NOW, path, sizeof (path)) == NULL || |
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pscanf(path, "%d", ¤t_now) < 0) { |
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return NULL; |
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} |
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