i3status - Default to acpitz(4) instead of cpu(4) for OpenBSD temperature readings

The acpitz(4) values are eventually used by the kernel to determine if the machine
is getting too hot.

2 files changed, 9 insertions, 6 deletions

diff --git a/include/i3status.h b/include/i3status.h
index 2317936..93f9791 100644
--- a/include/i3status.h
+++ b/include/i3status.h
@@ -31,9 +31,11 @@ enum { O_DZEN2, O_XMOBAR, O_I3BAR, O_NONE } output_format;
  * Due to the fact there are various ways to obtain a temperature reading, THERMAL_ZONE will need
  * to be adjustable enough for those situations. As it can either be hw.sensors.cpu%d.temp0, or
  * hw.sensors.acpitz%d.temp0 or even something different entirely within hw.sensors.%s.temp0.
- * XXX: For now just check cpu%d.temp0. Adjust this later.
+ * XXX:
+ * Due to the fact the i3status API only allows to set the THERMAL_ZONE parameter to an integer,
+ * we can't make this fully configureable (yet?).
  */
-#define THERMAL_ZONE "cpu%d"
+#define THERMAL_ZONE "acpitz%d"
 
 #endif
 
diff --git a/src/print_cpu_temperature.c b/src/print_cpu_temperature.c
index 8e7d7f9..b1d1221 100644
--- a/src/print_cpu_temperature.c
+++ b/src/print_cpu_temperature.c
@@ -88,18 +88,19 @@ void print_cpu_temperature_info(yajl_gen json_gen, char *buffer, int zone, const
 			goto error;
 		}
 		/*
-		 * 'path' is actually the node within the full path (eg, cpu0).
+		 * 'path' is actually the node within the full path (currently always acpitz0).
 		 * XXX: Extend the API to allow a string instead of just an int for path, this would
-		 * allow us to have a path of 'acpitz0' for example.
+		 * allow us to build an arbitrary path.
 		 */
 		if (strncmp(sensordev.xname, path, strlen(path)) == 0) {
 			mib[3] = SENSOR_TEMP;
 			for (numt = 0; numt < sensordev.maxnumt[SENSOR_TEMP]; numt++) {
 				mib[4] = numt;
 				if (sysctl(mib, 5, &sensor, &slen, NULL, 0) == -1) {
-					if (errno != ENOENT)
+					if (errno != ENOENT) {
 						warn("sysctl");
-					continue;
+						continue;
+					}
 				}
 				outwalk += sprintf(outwalk, "%.2f", (sensor.value - 273150000) / 1000000.0 );
 			}