[En-Nut-Discussion] Strange behavior with files using file attributes '+' or 'a'

[Harald Kipp]

Michael Bieri wrote:
> 
> For the problem with the '+' attribute: It seems, that there's something 
> wrong with the file attributes, in _fmode(...), a '+' does set the 
> attribute _O_TRUNC, this attribute then clears the file in PhatFileOpen(...)

Confirmed. Case '+' works for "r+" and "w+", but requires special 
handling for "a+".

Harald