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-rw-r--r--src/print_cpu_temperature.c33
1 files changed, 17 insertions, 16 deletions
diff --git a/src/print_cpu_temperature.c b/src/print_cpu_temperature.c
index 6b8aa59..306ad1d 100644
--- a/src/print_cpu_temperature.c
+++ b/src/print_cpu_temperature.c
@@ -37,11 +37,9 @@
#endif
-static char *thermal_zone;
-
/*
- * Reads the CPU temperature from /sys/class/thermal/thermal_zone0/temp and
- * returns the temperature in degree celcius.
+ * Reads the CPU temperature from /sys/class/thermal/thermal_zone%d/temp (or
+ * the user provided path) and returns the temperature in degree celcius.
*
*/
void print_cpu_temperature_info(yajl_gen json_gen, char *buffer, int zone, const char *path, const char *format, int max_threshold) {
@@ -49,16 +47,14 @@ void print_cpu_temperature_info(yajl_gen json_gen, char *buffer, int zone, const
#ifdef THERMAL_ZONE
const char *walk;
bool colorful_output = false;
+ char *thermal_zone;
- if (thermal_zone == NULL) {
- if (path == NULL)
- asprintf(&thermal_zone, THERMAL_ZONE, zone);
- else
- asprintf(&thermal_zone, path, zone);
- }
- path = thermal_zone;
+ if (path == NULL)
+ asprintf(&thermal_zone, THERMAL_ZONE, zone);
+ else
+ asprintf(&thermal_zone, path, zone);
- INSTANCE(path);
+ INSTANCE(thermal_zone);
for (walk = format; *walk != '\0'; walk++) {
if (*walk != '%') {
@@ -70,7 +66,7 @@ void print_cpu_temperature_info(yajl_gen json_gen, char *buffer, int zone, const
#if defined(LINUX)
static char buf[16];
long int temp;
- if (!slurp(path, buf, sizeof(buf)))
+ if (!slurp(thermal_zone, buf, sizeof(buf)))
goto error;
temp = strtol(buf, NULL, 10);
if (temp == LONG_MIN || temp == LONG_MAX || temp <= 0)
@@ -89,7 +85,7 @@ void print_cpu_temperature_info(yajl_gen json_gen, char *buffer, int zone, const
#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
int sysctl_rslt;
size_t sysctl_size = sizeof(sysctl_rslt);
- if (sysctlbyname(path, &sysctl_rslt, &sysctl_size, NULL, 0))
+ if (sysctlbyname(thermal_zone, &sysctl_rslt, &sysctl_size, NULL, 0))
goto error;
if (TZ_AVG(sysctl_rslt) >= max_threshold) {
@@ -121,7 +117,7 @@ void print_cpu_temperature_info(yajl_gen json_gen, char *buffer, int zone, const
goto error;
}
/* 'path' is the node within the full path (defaults to acpitz0). */
- if (strncmp(sensordev.xname, path, strlen(path)) == 0) {
+ if (strncmp(sensordev.xname, thermal_zone, strlen(thermal_zone)) == 0) {
mib[3] = SENSOR_TEMP;
/* Limit to temo0, but should retrieve from a full path... */
for (numt = 0; numt < 1 /*sensordev.maxnumt[SENSOR_TEMP]*/; numt++) {
@@ -195,7 +191,7 @@ void print_cpu_temperature_info(yajl_gen json_gen, char *buffer, int zone, const
while ((obj2 = prop_object_iterator_next(iter2)) != NULL) {
obj3 = prop_dictionary_get(obj2, "description");
if (obj3 &&
- strcmp(path, prop_string_cstring_nocopy(obj3)) == 0)
+ strcmp(thermal_zone, prop_string_cstring_nocopy(obj3)) == 0)
{
obj3 = prop_dictionary_get(obj2, "cur-value");
float temp = MUKTOC(prop_number_integer_value(obj3));
@@ -230,10 +226,15 @@ error_netbsd1:
walk += strlen("degrees");
}
}
+
+ free(thermal_zone);
+
OUTPUT_FULL_TEXT(buffer);
return;
error:
#endif
+ free(thermal_zone);
+
OUTPUT_FULL_TEXT("cant read temp");
(void)fputs("i3status: Cannot read temperature. Verify that you have a thermal zone in /sys/class/thermal or disable the cpu_temperature module in your i3status config.\n", stderr);
}