static char *smprintf(const char *fmt, ...);
static char *battery_perc(const char *bat);
+static char *battery_power(const char *bat);
static char *battery_state(const char *bat);
+static char *cpu_freq(void);
static char *cpu_perc(void);
static char *datetime(const char *fmt);
static char *disk_free(const char *mnt);
return smprintf("%d%%", perc);
}
+static char *
+battery_power(const char *bat)
+{
+ char path[PATH_MAX];
+ FILE *fp;
+ int watts;
+
+ snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/", bat, "/power_now");
+ fp = fopen(path, "r");
+ if (fp == NULL) {
+ warn("Failed to open file %s", path);
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ fscanf(fp, "%i", &watts);
+ fclose(fp);
+
+ return smprintf("%d", (watts + 500000) / 1000000);
+}
+
static char *
battery_state(const char *bat)
{
}
}
+static char *
+cpu_freq(void)
+{
+ int freq;
+ FILE *fp;
+
+ fp = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq", "r");
+ if (fp == NULL) {
+ warn("Failed to open file /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq");
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ fscanf(fp, "%i", &freq);
+ fclose(fp);
+
+ return smprintf("%d", (freq + 500) / 1000);
+}
+
static char *
cpu_perc(void)
{