Refactor battery_state()
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parent
6b8384ef2f
commit
178c23e3d2
29
slstatus.c
29
slstatus.c
@ -142,10 +142,19 @@ battery_power(const char *bat)
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static const char *
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battery_state(const char *bat)
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{
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char path[PATH_MAX];
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char state[12];
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FILE *fp;
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struct {
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char *state;
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char *symbol;
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} map[] = {
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{ "Charging", "+" },
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{ "Discharging", "-" },
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{ "Full", "=" },
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{ "Unknown", "/" },
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};
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size_t i;
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int n;
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char path[PATH_MAX], state[12];
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snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/", bat, "/status");
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fp = fopen(path, "r");
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@ -158,17 +167,13 @@ battery_state(const char *bat)
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if (n != 1)
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return UNKNOWN_STR;
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if (strcmp(state, "Charging") == 0) {
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return "+";
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} else if (strcmp(state, "Discharging") == 0) {
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return "-";
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} else if (strcmp(state, "Full") == 0) {
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return "=";
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} else if (strcmp(state, "Unknown") == 0) {
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return "/";
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} else {
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return "?";
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for (i = 0; i < sizeof(map) / sizeof(*map); i++) {
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if (!strcmp(map[i].state, state)) {
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break;
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}
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}
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return (i == sizeof(map) / sizeof(*map)) ? "?" : map[i].symbol;
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}
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static const char *
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