refactoring read_cpu_temp

main.c

@@ -4,19 +4,21 @@
 #include <fcntl.h>
 #include <unistd.h>
 
-
-void read_cpu_temp() {
+void read_cpu_temp()
+{
     FILE *file;
     char buffer[1024];
     char *temp_path = "/sys/class/thermal/thermal_zone0/temp";
 
     file = fopen(temp_path, "r");
-    if (file == NULL) {
+    if (file == NULL)
+    {
         printf("Error opening file\n");
         return;
     }
 
-    if (fgets(buffer, sizeof(buffer), file) != NULL) {
+    if (fgets(buffer, sizeof(buffer), file) != NULL)
+    {
         long temp = atol(buffer) / 1000;
         char message[1024];
         snprintf(message, sizeof(message), "%ld", temp);
@@ -25,46 +27,55 @@ void read_cpu_temp() {
         // write pipe
         const char *pOne = "/tmp/pipeOne";
         int vOne = open(pOne, O_WRONLY); // todo: | O_NONBLOCK
-        if (vOne == -1){
+        if (vOne == -1)
+        {
             perror("Failed to open pipe one in read_cpu_temp");
-            return 1;
+            return;
         }
         write(vOne, message, sizeof(message));
         close(vOne);
-
-    } else {
+    }
+    else
+    {
         printf("Error reading file\n");
     }
     fclose(file);
 }
 
-void read_cpu_frequency() {
+void read_cpu_frequency()
+{
     FILE *file;
     char buffer[1024];
     char *freq_path = "/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq";
 
     file = fopen(freq_path, "r");
-    if (file == NULL) {
+    if (file == NULL)
+    {
         printf("Error opening file\n");
         return;
     }
 
-    if (fgets(buffer, sizeof(buffer), file) != NULL) {
+    if (fgets(buffer, sizeof(buffer), file) != NULL)
+    {
         float freq = atol(buffer) / 1000000.0f;
         printf("CPU frequency: %f GHz\n", freq);
-    } else {
+    }
+    else
+    {
         printf("Error reading file\n");
     }
     fclose(file);
 }
 
-int main(void) {
+int main(void)
+{
     // create and open pipes
     const char *pOne = "/tmp/pipeOne";
     mkfifo(pOne, 0666);
 
     int vOne = open(pOne, O_RDONLY | O_NONBLOCK); // todo: | O_NONBLOCK
-    if (vOne == -1) {
+    if (vOne == -1)
+    {
         perror("Failed to open pipe one in main");
         return 1;
     }