X-Git-Url: https://git.xinqibao.xyz/slstatus.git/blobdiff_plain/103945e7bb8d3a4198cf175b8f6be09fe53ab9e1..b0401b13bb78bacde9d10b00766830cbeb2c90f6:/components/battery.c

diff --git a/components/battery.c b/components/battery.c
index 6105a37..99e09d5 100644
--- a/components/battery.c
+++ b/components/battery.c
@@ -1,5 +1,4 @@
 /* See LICENSE file for copyright and license details. */
-#include <errno.h>
 #include <stdio.h>
 #include <string.h>
 
@@ -83,7 +82,7 @@
 	battery_remaining(const char *bat)
 	{
 		int charge_now, current_now, m, h;
-		float timeleft;
+		double timeleft;
 		char path[PATH_MAX], state[12];
 
 		if (esnprintf(path, sizeof(path),
@@ -107,9 +106,13 @@
 				return NULL;
 			}
 
-			timeleft = (float)charge_now / (float)current_now;
+			if (current_now == 0) {
+				return NULL;
+			}
+
+			timeleft = (double)charge_now / (double)current_now;
 			h = timeleft;
-			m = (timeleft - (float)h) * 60;
+			m = (timeleft - (double)h) * 60;
 
 			return bprintf("%dh %dm", h, m);
 		}