diff options
Diffstat (limited to 'slstatus.c')
| -rw-r--r-- | slstatus.c | 20 |
1 files changed, 20 insertions, 0 deletions
@@ -35,6 +35,7 @@ struct arg { 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_perc(void); static char *datetime(const char *fmt); @@ -119,6 +120,25 @@ battery_perc(const char *bat) } 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) { char path[PATH_MAX]; |