Always check GetFileInfoSL() result

This prevents crashes when file was deleted and included in selection for some operation.
Also fix minor memory leaks...

1 files changed, 13 insertions, 4 deletions

diff --git a/UMain.pas b/UMain.pas
index 5729c16..b762839 100644
--- a/UMain.pas
+++ b/UMain.pas
@@ -3607,8 +3607,11 @@ begin
   Stat := Engine.GetFileInfoSL(Filename);
   if Assigned(Stat) and (Stat^.Size > ConfEditViewFileSizeLimit) and
      (Application.MessageBox(LANGTheFileYouAreTryingToOpenIsQuiteBig, [mbYes, mbNo], mbWarning, mbNone, mbNo) = mbNo)
-    then Exit;
-
+    then begin
+           FreeDataItem(Stat);
+           Exit;
+         end;
+  FreeDataItem(Stat);
   if View then s := ConfViewer
           else s := ConfEditor;
 
@@ -3713,6 +3716,7 @@ begin
         b := ExecuteProgram(QuoteStr(Path), ExtractFilePath(Path), AutodetectGUI, RunInTerminal, i);
         libc_chdir(PChar('/'));
       end else b := True;   //  Mask cancelled extraction from VFS
+      FreeDataItem(Stat);
     end else begin
            if Engine is TVFSEngine then begin
              HandleRunFromArchive(Path, Engine, Command, FileTypeDesc, False);
@@ -4115,6 +4119,7 @@ begin
       DoRefresh(not LeftPanel, True, True);
     end;
   finally
+    FreeDataItem(Stat);
     FChmod.Free;
   end;
   finally
@@ -4207,6 +4212,7 @@ begin
       DoRefresh(not LeftPanel, True, True);
     end;
   finally
+    FreeDataItem(Stat);
     FChown.Free;
   end;
   finally
@@ -4460,6 +4466,8 @@ begin
   Item.Visible := False;
 //  Item.Enabled := not UpDir;
   FilePopupMenu.Add(Item);
+
+  FreeDataItem(DataItem);
 end;
 
 procedure TFMain.FilePopupMenuItemClick(Sender: TObject);
@@ -4524,6 +4532,7 @@ begin
       if not b then Application.MessageBox(Format(LANGCannotExecuteSPleaseCheckTheConfiguration, [FileName]), [mbOK], mbError, mbNone, mbOK);
     end;
   end;
+  FreeDataItem(DataItem);
   finally
     Application.ProcessMessages;
     InternalUnLock;
@@ -6391,6 +6400,7 @@ begin
       DoRefresh(not LeftPanel, True, True);
     end;
   finally
+    FreeDataItem(Stat);
     FProperties.Free;
   end;
   finally
@@ -6501,6 +6511,7 @@ begin
           if Command = '' then Command := LANGHandleRunFromArchive_SelfExecutable;
           FRunFromVFS.OpensWithLabel2.Caption := Format('%s<span weight="ultrabold"> </span>', [Command]);
         end;
+        FreeDataItem(Stat);
       end else begin
         FRunFromVFS.SizeLabel2.Caption := Format('%s<span weight="ultrabold"> </span>', ['??']);
         FRunFromVFS.PackedSizeLabel2.Caption := Format('%s<span weight="ultrabold"> </span>', ['??']);
@@ -6514,8 +6525,6 @@ begin
       FRunFromVFS.DateLabel2.UseMarkup := True;
       FRunFromVFS.OpensWithLabel2.UseMarkup := True;
 
-      FreeDataItem(Stat);
-
       Res := FRunFromVFS.Run;
       FRunFromVFS.Close;
       FRunFromVFS.Free;