[fpc-pascal] Re: Unicodestrings and Assign(File)

dmitry boyarintsev skalogryz.lists at gmail.com
Sun May 13 06:59:45 CEST 2012

That's the one I'm talking about.


On Sun, May 13, 2012 at 12:52 AM, Reinier Olislagers
<reinierolislagers at gmail.com> wrote:
> On 13-5-2012 5:59, dmitry boyarintsev wrote:
>> I'm assuming that everyone is aware of the solution for this.
>> Every unicode file name still has ANSI-dos name (aka ShortName).
>> You could write a function that would return a short name based on
>> unicode name of a file. And pass the short name to Assign File
>> function.
>> thanks,
>> Dmitry
> Hi Dmitry,
> Do you mean the ShortName as the 8.3 name defined on this page:
> http://msdn.microsoft.com/en-us/library/windows/desktop/aa365247%28v=vs.85%29.aspx#file_and_directory_names
> ... it states
> "When you create a long file name, Windows may also create a short 8.3
> form of the name, called the 8.3 alias, and store it on disk also."
> So it isn't compulsory to store the 8.3 filename - which is confirmed
> later on by:
> "8.3 aliasing cannot be disabled for specified volumes until Windows 7
> and Windows Server 2008 R2."... implying it can be disabled in Win7 and
> 2K8R2
> Looking at the GetShortPathName function
> http://msdn.microsoft.com/en-us/library/windows/desktop/aa364989%28v=vs.85%29.aspx
> ... the text itself only says the function can fail - not when it is
> likely to failx.
> Comment below does shed more light:
> "GetShortPathName fails to create a short filename if the file doesn't
> have a short file name."..."You can turn this option off by using the
> "System Policy Editor" (Poledit.exe). Certain file systems also don't
> support creation of short names by default"
> Or are you talking about a different way of getting a short name?
> Thanks,
> Reinier
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