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	temperature.c - slstatus - status monitor
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	---
	temperature.c (1436B)
	---
	1 /* See LICENSE file for copyright and license details. */
	2 #include <stddef.h>
	3
	4 #include "../slstatus.h"
	5 #include "../util.h"
	6
	7
	8 #if defined(__linux__)
	9 #include <stdint.h>
	10
	11 const char *
	12 temp(const char *file)
	13 {
	14 uintmax_t temp;
	15
	16 if (pscanf(file, "%ju", &temp) != 1)
	17 return NULL;
	18
	19 return bprintf("%ju", temp / 1000);
	20 }
	21 #elif defined(__OpenBSD__)
	22 #include <stdio.h>
	23 #include <sys/time.h> /* before <sys/sensors.h> for struct timev…
	24 #include <sys/sensors.h>
	25 #include <sys/sysctl.h>
	26
	27 const char *
	28 temp(const char *unused)
	29 {
	30 int mib[5];
	31 size_t size;
	32 struct sensor temp;
	33
	34 mib[0] = CTL_HW;
	35 mib[1] = HW_SENSORS;
	36 mib[2] = 0; /* cpu0 */
	37 mib[3] = SENSOR_TEMP;
	38 mib[4] = 0; /* temp0 */
	39
	40 size = sizeof(temp);
	41
	42 if (sysctl(mib, 5, &temp, &size, NULL, 0) < 0) {
	43 warn("sysctl 'SENSOR_TEMP':");
	44 return NULL;
	45 }
	46
	47 /* kelvin to celsius */
	48 return bprintf("%d", (int)((float)(temp.value-273150000)…
	49 }
	50 #elif defined(__FreeBSD__)
	51 #include <stdio.h>
	52 #include <stdlib.h>
	53 #include <sys/sysctl.h>
	54
	55 #define ACPI_TEMP "hw.acpi.thermal.%s.temperature"
	56
	57 const char *
	58 temp(const char *zone)
	59 {
	60 char buf[256];
	61 int temp;
	62 size_t len;
	63
	64 len = sizeof(temp);
	65 snprintf(buf, sizeof(buf), ACPI_TEMP, zone);
	66 if (sysctlbyname(buf, &temp, &len, NULL, 0) < 0
	67 \|\| !len)
	68 return NULL;
	69
	70 /* kelvin to decimal celcius */
	71 return bprintf("%d.%d", (temp - 2731) / 10, abs((temp - …
	72 }
	73 #endif