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Translate Between Short and Long Paths

Posted by Navi Singh on May 17th, 1999

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It is sometimes necessary to convert between short and long paths. For example, in Win95/98, if the Path environment variable string exceeds 1024 bytes, the string gets truncated. Or, some apps do not accept long path names with spaces and short path names are required.

I wrote a simple dialog-based app that takes a path string as an input and produces the short and the long path names as an output. Nothing fancy here. Just plain vanilla code that might prove useful to someone.

For example entering: C:\Program Files\util\vslick\win;C:\Program Files\Microsoft Visual Studio\Common\Tools\WinNT;C:\Program Files\Microsoft Visual Studio\Common\MSDev98\Bin;C:\Program Files\Microsoft Visual Studio\Common\Tools;C:\Program Files\Microsoft Visual Studio\VC98\bin;C:\PROGRA~1\STINGR~1\OE104\lib;C:\PROGRA~1\STINGR~1\Common\ COMMON~1.01\lib;C:\PROGRA~1\STINGR~1\Common\MVC6~1.01\lib;C:\PROGRA~1\STING R~1\OT601\lib

produces the long path as follows: C:\Program Files\util\vslick\win;C:\Program Files\Microsoft Visual Studio\Common\Tools\WinNT;C:\Program Files\Microsoft Visual Studio\Common\MSDev98\Bin;C:\Program Files\Microsoft Visual Studio\Common\Tools;C:\Program Files\Microsoft Visual Studio\VC98\Bin;C:\Program Files\Stingray Objective Studio\OE104\Lib;C:\Program Files\Stingray Objective Studio\Common\Common 6.01\lib;C:\Program Files\Stingray Objective Studio\Common\MVC 6.01\lib;C:\Program Files\Stingray Objective Studio\OT601\lib

and the short path as follows: C:\PROGRA~1\util\vslick\win;C:\PROGRA~1\MICROS~2\Common\Tools\WinNT;C:\PROG RA~1\MICROS~2\Common\MSDev98\Bin;C:\PROGRA~1\MICROS~2\Common\Tools;C:\PROGR A~1\MICROS~2\VC98\bin;C:\PROGRA~1\STINGR~1\OE104\lib;C:\PROGRA~1\STINGR~1\C ommon\COMMON~1.01\lib;C:\PROGRA~1\STINGR~1\OT601\lib;q:\ntutil;q:\util;c:\t ools;q:\es\3rdparty\windows;q:\es\dev

Download demo project - 14 KB

Download demo application (sans source) - 8 KB

Date Last Updated: May 17, 1999



Comments

  • Damn Angry!

    Posted by Legacy on 01/27/2003 12:00am

    Originally posted by: Barbara Reynolds 

    You have caused a virus on my computer.  I am not smart enough to fix it.  A virus notification shnows up and covers my desktop and any programs that I open.  I am more than angry.  At least tell me how to correct the problem.  The virus is C:\PROGRA 1\COMMON 1\media\otDock.dll

    Reply

  • Excellent work !

    Posted by Legacy on 07/04/2002 12:00am

    Originally posted by: Steven

    Just what I need ! (Because my OS is NT4)

    Reply

  • GetShortPathName does this for you!

    Posted by Legacy on 09/13/2000 12:00am

    Originally posted by: Bob Blais 

    If I understand what you are trying to do, I would like to submit a function that does this automatically.


    ::GetShortPathName(oldname, newname, length of new name);


    This call automatically formats a long path, to the DOS short path representation.

    Reply

  • Windows 95 problem

    Posted by Legacy on 08/01/2000 12:00am

    Originally posted by: Mikkel Bie

    Tried to use your code, but on our Windows 95 testbox the call to SHGetPathFromIDListW was not supported. I used SHGetPathFromIDList instead, and it seems to solve the problem.
    -Mikkel

    Reply

  • Other Methods

    Posted by Legacy on 07/04/1999 12:00am

    Originally posted by: Trevor Ash 

    you can use:


    GetShortPathName(longpath, shortpath, shortsize);

    GetLongPathName(longpath, shortpath, longsize);


    I've never used GetLongPathName, in fact it seems to be a

    new function in VC6. I have used GetShortPathName since

    VC4.2 and it works excellent.

    Reply

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