read only first char of BAT_STATE

Hjdskes · Sep 4, 2014 · d680503 · d680503
1 parent 4913757
commit d680503
Showing 1 changed file with 5 additions and 5 deletions.
diff --git a/dwmst.c b/dwmst.c
@@ -152,19 +152,19 @@ get_vol(snd_mixer_t *handle, snd_mixer_elem_t *elem) {
 char *
 get_bat(void) {
 	FILE *f;
-	char state[11];
+	char state;
 	float now, full, voltage, rate;
 	int perc, minutes, hours;
 
 	if(access("/sys/class/power_supply/BAT1/", F_OK) != 0)
 		return NO_BAT;
 
 	f = fopen(BAT_STATE, "r"); if(f == NULL) return BAT_UNK;
-			fscanf(f, "%s", state); fclose(f);
+			state = (char)fgetc(f); fclose(f);
 
-	if(state[0] == 'F')
+	if(state == 'F')
 		return BAT_FULL;
-	if(state[0] == 'U')
+	if(state == 'U')
 		return BAT_UNK;
 
 	f = fopen(BAT_FULLL, "r"); if(f == NULL) return BAT_UNK;
@@ -181,7 +181,7 @@ get_bat(void) {
 	rate *= voltage;
 	perc = (now * 100) / full;
 
-	if(state[0] == 'C') {
+	if(state == 'C') {
 		minutes = 60 * ((full - now) / rate);
 		hours = minutes / 60;
 		minutes -= 60 * hours;