paleofetch

commit f1f8a7eab6b4a5dcddb330de2c6e1601b66f9080
parent d23cf6a32033b00128f0aab14166cf46e168194e
Author: sam-barr <samfbarr@outlook.com>
Date:   Fri,  1 May 2020 08:55:53 -0500

Merge pull request #53 from dwzg/freq_mhz

Show CPU frequency in MHz if it is below 1 GHz
Diffstat:
M
paleofetch.c
 | 
29
+++++++++++++++++++----------

1 file changed, 19 insertions(+), 10 deletions(-)
diff --git a/paleofetch.c b/paleofetch.c
@@ -343,6 +343,7 @@ static char *get_cpu() {
     size_t len; /* unused */
     int num_cores = 0, cpu_freq, prec = 3;
     double freq;
+    char freq_unit[] = "GHz";
 
     /* read the model name into cpu_model, and increment num_cores every time model name is found */
     while(getline(&line, &len, cpuinfo) != -1) {
@@ -370,23 +371,31 @@ cpufreq_fallback:
             status = -1;
             halt_and_catch_fire("Unable to open cpuinfo");
         }
-        
+
         while (getline(&line, &len, cpufreq) != -1) {
             if (sscanf(line, "cpu MHz : %lf", &freq) > 0) break;
         }
-        
+
         cpu_freq = (int) freq;
     }
-    
+
     free(line);
     fclose(cpufreq);
-    
-    freq = cpu_freq / 1000.0; // convert MHz to GHz and cast to double
-    while (cpu_freq % 10 == 0) {
-        --prec;
-        cpu_freq /= 10;
+
+    if (cpu_freq < 1000) {
+        freq = (double) cpu_freq;
+        freq_unit[0] = 'M'; // make MHz from GHz
+        prec = 0; // show frequency as integer value
+    } else {
+        freq = cpu_freq / 1000.0; // convert MHz to GHz and cast to double
+
+        while (cpu_freq % 10 == 0) {
+            --prec;
+            cpu_freq /= 10;
+        }
+
+        if (prec == 0) prec = 1; // we don't want zero decimal places
     }
-    if (prec == 0) prec = 1; // we don't want zero decimal places
 
     /* remove unneeded information */
     for (int i = 0; i < COUNT(cpu_remove); ++i) {
@@ -394,7 +403,7 @@ cpufreq_fallback:
     }
 
     char *cpu = malloc(BUF_SIZE);
-    snprintf(cpu, BUF_SIZE, "%s (%d) @ %.*fGHz", cpu_model, num_cores, prec, freq);
+    snprintf(cpu, BUF_SIZE, "%s (%d) @ %.*f%s", cpu_model, num_cores, prec, freq, freq_unit);
     free(cpu_model);
 
     truncate_spaces(cpu);