spoon

set dwm status
git clone git://git.2f30.org/spoon.git
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temp.c (851B)


      1 #include <err.h>
      2 #include <stdio.h>
      3 
      4 #ifdef __OpenBSD__
      5 #include <sys/sysctl.h>
      6 #include <sys/time.h>
      7 #include <sys/sensors.h>
      8 
      9 int
     10 tempread(void *arg, char *buf, size_t len)
     11 {
     12 	int mib[5];
     13 	struct sensor temp;
     14 	size_t sz;
     15 
     16 	mib[0] = CTL_HW;
     17 	mib[1] = HW_SENSORS;
     18 	mib[2] = 0; /* cpu0 */
     19 	mib[3] = SENSOR_TEMP;
     20 	mib[4] = 0; /* temp0 */
     21 	sz = sizeof(temp);
     22 	if (sysctl(mib, 5, &temp, &sz, NULL, 0) == -1)
     23 		return -1;
     24 	/* temp.value is in kelvin so convert to celsius for display */
     25 	snprintf(buf, len, "%lld", (temp.value - 273150000) / 1000000);
     26 	return 0;
     27 }
     28 #elif __linux__
     29 int
     30 tempread(void *arg, char *buf, size_t len)
     31 {
     32 	char *path = arg;
     33 	FILE *fp;
     34 	int temp;
     35 
     36 	fp = fopen(path, "r");
     37 	if (fp == NULL) {
     38 		warn("fopen %s", path);
     39 		return -1;
     40 	}
     41 	fscanf(fp, "%d", &temp);
     42 	fclose(fp);
     43 	snprintf(buf, len, "%d", temp / 1000);
     44 	return 0;
     45 }
     46 #endif