add battery_power function
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@ -8,6 +8,7 @@
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/* statusbar
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- battery_perc (battery percentage) [argument: battery name]
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- battery_power (battery power usage) [argument: battery name]
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- battery_state (battery charging state) [argument: battery name]
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- cpu_perc (cpu usage in percent) [argument: NULL]
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- datetime (date and time) [argument: format]
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20
slstatus.c
20
slstatus.c
@ -35,6 +35,7 @@ struct arg {
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static char *smprintf(const char *fmt, ...);
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static char *battery_perc(const char *bat);
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static char *battery_power(const char *bat);
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static char *battery_state(const char *bat);
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static char *cpu_perc(void);
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static char *datetime(const char *fmt);
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@ -118,6 +119,25 @@ battery_perc(const char *bat)
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return smprintf("%d%%", perc);
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}
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static char *
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battery_power(const char *bat)
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{
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char path[PATH_MAX];
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FILE *fp;
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int watts;
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snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/", bat, "/power_now");
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fp = fopen(path, "r");
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if (fp == NULL) {
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warn("Failed to open file %s", path);
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return smprintf("%s", UNKNOWN_STR);
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}
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fscanf(fp, "%i", &watts);
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fclose(fp);
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return smprintf("%d", (watts + 500000) / 1000000);
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}
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static char *
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battery_state(const char *bat)
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{
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