71 lines
1.3 KiB
C
71 lines
1.3 KiB
C
/* See LICENSE file for copyright and license details. */
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#include <stddef.h>
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#include "../util.h"
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#if defined(__linux__)
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#include <stdint.h>
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const char *
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temp(const char *file)
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{
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uintmax_t temp;
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if (pscanf(file, "%ju", &temp) != 1) {
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return NULL;
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}
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return bprintf("%ju", temp / 1000);
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}
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#elif defined(__OpenBSD__)
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#include <stdio.h>
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#include <sys/time.h> /* before <sys/sensors.h> for struct timeval */
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#include <sys/sensors.h>
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#include <sys/sysctl.h>
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const char *
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temp(const char *unused)
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{
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int mib[5];
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size_t size;
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struct sensor temp;
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mib[0] = CTL_HW;
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mib[1] = HW_SENSORS;
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mib[2] = 0; /* cpu0 */
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mib[3] = SENSOR_TEMP;
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mib[4] = 0; /* temp0 */
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size = sizeof(temp);
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if (sysctl(mib, 5, &temp, &size, NULL, 0) < 0) {
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warn("sysctl 'SENSOR_TEMP':");
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return NULL;
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}
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/* kelvin to celsius */
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return bprintf("%d", (temp.value - 273150000) / 1E6);
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}
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#elif defined(__FreeBSD__)
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/sysctl.h>
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const char *
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temp(const char *zone)
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{
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char buf[256];
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int temp;
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size_t len;
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len = sizeof(temp);
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snprintf(buf, sizeof(buf), "hw.acpi.thermal.%s.temperature", zone);
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if (sysctlbyname(buf, &temp, &len, NULL, 0) == -1
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|| !len)
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return NULL;
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/* kelvin to decimal celcius */
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return bprintf("%d.%d", (temp - 2731) / 10, abs((temp - 2731) % 10));
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}
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#endif
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