Index: sources/storage/FileHandler.h
===================================================================
diff -u -r265600079f9f3b741cd3e67c229f39ec66571419 -r1f5b2250ae70d305654d014a9aa1fd8baa29779c
--- sources/storage/FileHandler.h	(.../FileHandler.h)	(revision 265600079f9f3b741cd3e67c229f39ec66571419)
+++ sources/storage/FileHandler.h	(.../FileHandler.h)	(revision 1f5b2250ae70d305654d014a9aa1fd8baa29779c)
@@ -38,7 +38,6 @@
  */
 class FileHandler
 {
-    static void errOut(const QString &vMessage);
 
 public:
     enum FileCopyError_Enums {
@@ -58,6 +57,8 @@
     };
 
 public:
+    static void errOut      (const QString &vMessage);
+
     static bool write       (const QString &vFileName, const QString &vContent, bool vAppend = true );
     static bool read        (const QString &vFileName,       QString &vContent, bool vAppend = false);
     static bool read        (const QString &vFileName,   QJsonObject &vContent, QJsonParseError *error = nullptr);
@@ -69,6 +70,7 @@
     static bool makeFolder  (const QString     &vFolder);
     static bool isMounted   (const QString     &vPath, bool *vIsReadOnly = nullptr);
 
+    static bool tmpUsable   ();
 
     static QFileInfoList find(const QString &vPath, QStringList vNameFilters, quint8 vRetainPercent);
     static QFileInfoList find(const QString &vPath, QStringList vNameFilters);