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Creating Mulitple Levels of Directories

Posted by Josh Carlson on February 16th, 2001
I was writing a custom installation script and needed to create many sub directories. I looked at Brad Gutilla's article and thought that there had to be a simpler method. Recursion steps in and saves the day. Not much to say about the code, as it is pretty simple and easy to follow. 
void CreateAllDirectories(CString strDir)
{
 // remove ending / if exists
 if(strDir.Right(1)=="\\")
  strDir=strDir.Left(strDir.GetLength()-1); 

 // base case . . .if directory exists
 if(GetFileAttributes(strDir)!=-1) 
  return;

 // recursive call, one less directory
 int nFound = strDir.ReverseFind('\\');
 CreateAllDirectories(strDir.Left(nFound)); 

 // actual work
 CreateDirectory(strDir,NULL); 
}

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Comments

  • I used MakeSureDirectoryPathExists successfully

    Posted by Legacy on 11/16/2001 12:00am

    Originally posted by: Adrian Vinca

    So, I used MakeSureDirectoryPathExists from Imagehlp.h (instead of Dbghelp.h - I don't know where may I find this file). Do not forget to add to your project also Imagehlp.lib.

    Reply

  • A much more optimized method

    Posted by Legacy on 08/13/2001 12:00am

    Originally posted by: Anonymous 

    int

    CreateAllDirectories(

        char*   pszDir

        )

    {

        char*   pszLastSlash;

        char    cTmp;


        if( _access( pszDir, 0 ) != -1 ) 

        {

            // it already exists

            return 0;

        }


        pszLastSlash = strrchr( pszDir, '\\' );

        if ( pszLastSlash )

        {

            cTmp = *pszLastSlash;

            *pszLastSlash = '\0';


            // try again with one less dir


            CreateAllDirectories( pszDir ); 


            *pszLastSlash = cTmp;

        }


    

        if ( _mkdir( pszDir ) == -1 )

        {

            return -1;

        }


        return 0;

    }

    Reply

  • why not to use the api...

    Posted by Legacy on 07/25/2001 12:00am

    Originally posted by: Kevin

    I looked and my default installation of VC and whatever SDKs I have installed do not have the Dbghelp.h file. So I am assuming that I would have to go thru the trouble of installing something else to get this. I am also assuming this means another DLL would have to go with my executable...

    Reply
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