49 lines
1,015 B
C
49 lines
1,015 B
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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const char *
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temp(const char *file)
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{
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int temp;
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return (pscanf(file, "%d", &temp) == 1) ?
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bprintf("%d", temp / 1000) : NULL;
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}
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#elif defined(__OpenBSD__)
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#include <errno.h>
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#include <stdio.h>
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#include <string.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 *file)
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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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UNUSED(file); /* no temperature file on OpenBSD */
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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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fprintf(stderr, "sysctl 'SENSOR_TEMP': %s\n",
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strerror(errno));
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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) / 1000000);
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}
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#endif
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