1 files changed, 24 insertions, 0 deletions
diff --git a/rxbar.c b/rxbar.c
index 4b25b79..9559fe6 100644
--- a/rxbar.c
+++ b/rxbar.c
@@ -23,7 +23,31 @@ int main()
 {
 	fdc = open("/sys/class/power_supply/macsmc-battery/capacity", O_RDONLY);
 	fds = open("/sys/class/power_supply/macsmc-battery/status", O_RDONLY);
+	if (fdc == -1 || fds == -1) {
+		fdc = open("/sys/class/power_supply/BAT0/capacity", O_RDONLY);
+		fds = open("/sys/class/power_supply/BAT0/status", O_RDONLY);
+	}
+	if (fdc == -1 || fds == -1) {
+		// no battery
+		for (;;) {
+			t = time(NULL);
+			td = *localtime(&t);
+			dprintf(STDOUT_FILENO,
+				"NOBAT %d-%02d-%02d %02d:%02d:%02d\n",
+				td.tm_year + 1900,
+				td.tm_mon + 1,
+				td.tm_mday,
+				td.tm_hour,
+				td.tm_min,
+				td.tm_sec
+			);
+			t = (t + 1) * 1000000;
+			for (t1 = time(NULL) * 1000000; t1 < t; t1 = time(NULL) * 1000000)
+				usleep(t - t1);
+		}
+	}
 	for (;;) {
+		// battery present
 		t = time(NULL);
 		td = *localtime(&t);
 		len = pread(fdc, buf + 1, MAXLEN, 0);