diff options
Diffstat (limited to 'laptop/slstatuso/components/temperature.c')
-rwxr-xr-x | laptop/slstatuso/components/temperature.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/laptop/slstatuso/components/temperature.c b/laptop/slstatuso/components/temperature.c new file mode 100755 index 0000000..7cf1394 --- /dev/null +++ b/laptop/slstatuso/components/temperature.c @@ -0,0 +1,73 @@ +/* See LICENSE file for copyright and license details. */ +#include <stddef.h> + +#include "../slstatus.h" +#include "../util.h" + + +#if defined(__linux__) + #include <stdint.h> + + const char * + temp(const char *file) + { + uintmax_t temp; + + if (pscanf(file, "%ju", &temp) != 1) + return NULL; + + return bprintf("%ju", temp / 1000); + } +#elif defined(__OpenBSD__) + #include <stdio.h> + #include <sys/time.h> /* before <sys/sensors.h> for struct timeval */ + #include <sys/sensors.h> + #include <sys/sysctl.h> + + const char * + temp(const char *unused) + { + 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) < 0) { + warn("sysctl 'SENSOR_TEMP':"); + return NULL; + } + + /* kelvin to celsius */ + return bprintf("%d", (int)((float)(temp.value-273150000) / 1E6)); + } +#elif defined(__FreeBSD__) + #include <stdio.h> + #include <stdlib.h> + #include <sys/sysctl.h> + + #define ACPI_TEMP "hw.acpi.thermal.%s.temperature" + + const char * + temp(const char *zone) + { + char buf[256]; + int temp; + size_t len; + + len = sizeof(temp); + snprintf(buf, sizeof(buf), ACPI_TEMP, zone); + if (sysctlbyname(buf, &temp, &len, NULL, 0) < 0 + || !len) + return NULL; + + /* kelvin to decimal celcius */ + return bprintf("%d.%d", (temp - 2731) / 10, abs((temp - 2731) % 10)); + } +#endif |