Uptime: code refactor

src/detection/uptime/uptime.h

@@ -5,6 +5,6 @@
 
 #include "fastfetch.h"
 
-uint64_t ffDetectUptime();
+const char* ffDetectUptime(uint64_t* result);
 
 #endif

src/detection/uptime/uptime_bsd.c

@@ -4,7 +4,7 @@
 #include <sys/sysctl.h>
 #include <sys/time.h>
 
-uint64_t ffDetectUptime()
+const char* ffDetectUptime(uint64_t* result)
 {
     struct timeval bootTime;
     size_t bootTimeSize = sizeof(bootTime);
@@ -12,8 +12,10 @@ uint64_t ffDetectUptime()
         (int[]) {CTL_KERN, KERN_BOOTTIME}, 2,
         &bootTime, &bootTimeSize,
         NULL, 0
-    ) == 0)
-        return (uint64_t) difftime(time(NULL), bootTime.tv_sec);
+    ) != 0)
+        return "sysctl({CTL_KERN, KERN_BOOTTIME}) failed";
 
-    return 0;
+    *result = (uint64_t) difftime(time(NULL), bootTime.tv_sec);
+
+    return NULL;
 }

src/detection/uptime/uptime_linux.c

@@ -2,10 +2,11 @@
 
 #include <sys/sysinfo.h>
 
-uint64_t ffDetectUptime()
+const char* ffDetectUptime(uint64_t* result)
 {
     struct sysinfo info;
     if(sysinfo(&info) != 0)
-        return 0;
-    return (uint32_t) info.uptime;
+        return "sysinfo() failed";
+    *result = info.uptime;
+    return NULL;
 }

src/detection/uptime/uptime_windows.c

@@ -2,7 +2,8 @@
 
 #include <sysinfoapi.h>
 
-uint64_t ffDetectUptime()
+const char* ffDetectUptime(uint64_t* result)
 {
-    return GetTickCount64() / 1000;
+    *result = GetTickCount64() / 1000;
+    return NULL;
 }

src/modules/uptime.c

@@ -7,11 +7,13 @@
 
 void ffPrintUptime(FFinstance* instance)
 {
-    uint64_t uptime = ffDetectUptime();
+    uint64_t uptime;
 
-    if(uptime == 0)
+    const char* error = ffDetectUptime(&uptime);
+
+    if(error)
     {
-        ffPrintError(instance, FF_UPTIME_MODULE_NAME, 0, &instance->config.uptime, "Uptime could't be detected");
+        ffPrintError(instance, FF_UPTIME_MODULE_NAME, 0, &instance->config.uptime, "%s", error);
         return;
     }