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Fix NULL value on OpenBSD when there is no acpitz0

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Using %degrees on OpenBSD resulted in garbage values if sysctl doesn't
know about any cpu temperature sensors.
This commit is contained in:
Florian Anderiasch 2018-04-06 19:54:12 +02:00
parent 5abed82419
commit 46b5c264d1
1 changed files with 4 additions and 2 deletions
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6
src/print_cpu_temperature.c
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@ -112,7 +112,7 @@ static int read_temperature(char *thermal_zone, temperature_t *temperature) {
/* 'path' is the node within the full path (defaults to acpitz0). */
if (BEGINS_WITH(sensordev.xname, thermal_zone)) {
mib[3] = SENSOR_TEMP;
/* Limit to temo0, but should retrieve from a full path... */
/* Limit to temp0, but should retrieve from a full path... */
for (numt = 0; numt < 1 /*sensordev.maxnumt[SENSOR_TEMP]*/; numt++) {
mib[4] = numt;
if (sysctl(mib, 5, &sensor, &slen, NULL, 0) == -1) {
@ -205,7 +205,7 @@ error_netbsd1:
/*
* Reads the CPU temperature from /sys/class/thermal/thermal_zone%d/temp (or
* the user provided path) and returns the temperature in degree celcius.
* the user provided path) and returns the temperature in degree celsius.
*
*/
void print_cpu_temperature_info(yajl_gen json_gen, char *buffer, int zone, const char *path, const char *format, const char *format_above_threshold, int max_threshold) {
@ -216,6 +216,8 @@ void print_cpu_temperature_info(yajl_gen json_gen, char *buffer, int zone, const
bool colorful_output = false;
char *thermal_zone;
temperature_t temperature;
temperature.raw_value = 0;
sprintf(temperature.formatted_value, "%.2f", 0.0);
if (path == NULL)
asprintf(&thermal_zone, THERMAL_ZONE, zone);