Handle empty xdg env vars better

Author: LinusDierheimer

src/common/init.c

@@ -1,5 +1,6 @@
 #include "fastfetch.h"
 #include "common/caching.h"
+#include "common/parsing.h"
 #include "detection/qt.h"
 #include "detection/gtk.h"
 #include "detection/displayserver.h"
@@ -20,7 +21,7 @@ static void initConfigDirs(FFstate* state)
     ffListInit(&state->configDirs, sizeof(FFstrbuf));
 
     const char* xdgConfigHome = getenv("XDG_CONFIG_HOME");
-    if(xdgConfigHome != NULL)
+    if(ffStrSet(xdgConfigHome))
     {
         FFstrbuf* buffer = (FFstrbuf*) ffListAdd(&state->configDirs);
         ffStrbufInitA(buffer, 64);
@@ -54,6 +55,12 @@ static void initConfigDirs(FFstate* state)
         uint32_t colonIndex = ffStrbufNextIndexC(&xdgConfigDirs, startIndex, ':');
         xdgConfigDirs.chars[colonIndex] = '\0';
 
+        if(!ffStrSet(xdgConfigDirs.chars + startIndex))
+        {
+            startIndex = colonIndex + 1;
+            continue;
+        }
+
         FFstrbuf* buffer = (FFstrbuf*) ffListAdd(&state->configDirs);
         ffStrbufInitA(buffer, 64);
         ffStrbufAppendS(buffer, xdgConfigDirs.chars + startIndex);

src/detection/gtk.c

@@ -107,11 +107,6 @@ static void detectGTKFromConfigFile(const char* filename, FFGTKResult* result)
 
 static void detectGTKFromConfigDir(FFstrbuf* configDir, const char* version, FFGTKResult* result)
 {
-    //In case of an empty env variable
-    ffStrbufTrim(configDir, ' ');
-    if(configDir->length == 0)
-        return;
-
     uint32_t configDirLength = configDir->length;
 
     // <configdir>/gtk-<version>.0/settings.ini