diff --git a/include/strings.cpp b/include/strings.cpp
index 08bbabc8a..e9e43b822 100755
--- a/include/strings.cpp
+++ b/include/strings.cpp
@@ -127,11 +127,11 @@ TString::TString(const TString& s) : _str(NULL), _size(0)
 
 TString::TString(int size, char c) : _str(NULL), _size(0)
 { 
-	resize(size, FALSE); 
-	*(_str+size--)='\0';
-	for (;c && size>=0; size--)
-		*(_str+size)=c;
-	
+  resize(size, FALSE); 
+  *(_str+size--)='\0';
+  for (;c && size>=0; size--)
+    *(_str+size)=c;
+  
 }
 
 TString::TString() : _str(NULL), _size(0)
@@ -1070,7 +1070,8 @@ const TFilename& TFilename::tempdir()
       if (theuser.empty()) 
         theuser = "prassi";                
       theuser.lower();
-      if (theuser.not_empty() && _tempdir.find(theuser) != _tempdir.len() - theuser.len())
+      const int f = _tempdir.find(theuser);
+      if (f < 0  || f != _tempdir.len() - theuser.len())
         _tempdir << SLASH << theuser;
       _tempdir.lower();
       if (!fexist(_tempdir))