temperature: OS split

components/OpenBSD/temperature.c

@@ -0,0 +1,32 @@
+/* See LICENSE file for copyright and license details. */
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/sysctl.h>
+#include <sys/time.h>
+#include <sys/sensors.h>
+
+#include "../../util.h"
+
+const char *
+temp(const char *null)
+{
+	int mib[5];
+	size_t size;
+	struct sensor temp;
+
+	mib[0] = CTL_HW;
+	mib[1] = HW_SENSORS;
+	mib[2] = 0; /* cpu0 */
+	mib[3] = SENSOR_TEMP;
+	mib[4] = 0; /* temp0 */
+
+	size = sizeof(temp);
+
+	if (sysctl(mib, 5, &temp, &size, NULL, 0) == -1) {
+		fprintf(stderr, "sysctl 'SENSOR_TEMP': %s\n", strerror(errno));
+		return NULL;
+	}
+
+	return bprintf("%d", (temp.value - 273150000) / 1000000); /* kelvin to celsius */
+}