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How to copy entire folder structure from C++?

Posted on 1999-01-19
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Last Modified: 2013-12-03
Is there a Windows API function that will copy an entire folder structure?  I am particularly interested in a solution that doesn't abort if one of the files can't be copied because of a sharing vilation.

Only an answer that will give me the above solution will be accepted.  If there's no way to do this via a Windows API call, then a code snippet will be accepted, otherwise the answer will be rejected.
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Question by:shrif
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by:luisr
ID: 1419019

There is no Windows API. What you can do is for a folder repetedly call FindFirstFile/FindNextFile and copy the files (with CopyFile), and when a directory is found, call the same function recursively.

I cannot give you a code snippet right now because I don't remember the parameters to all those APIs, but if you are interested, I can look them up in help and write those functions for you. I work in C/C++, so if you work in another language, I could write a simple DLL for you.

Anyway, send me an e-mail to luisr@iname.com if you are interested.

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by:rayb
ID: 1419020
How about using the DOS command xcopy with the /s option?
You can fire it off from your c++ code using the CreateProcess API.
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by:jkr
ID: 1419021
Hmm - this can be done much easier, 'SHFileOperation()' should do the job...
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by:shrif
ID: 1419022
thanks.
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Expert Comment

by:ramrocket
ID: 1419023
I'm not aware of a single API that will solve your problem but here is a
propose solution

int CopyFiles(char *szFromDir, char *szToDir)
{
      long hFile;
      struct _finddata_t fd;
      char szBuffer[256];

      sprintf(szBuffer,"%s\\*.*", szFromDir);
      if( (hFile = _findfirst(szBuffer, &fd)) == -1L ) return(-1);

      do
          {
            char szFrom[256],szTo[256];
            if(*fd.name !='.')
            {
                  sprintf(szFrom,"%s\\%s",szFromDir,fd.name);
                  sprintf(szTo,"%s\\%s",szToDir,fd.name);

                  //check for subdirectories
                  sprintf(szFileName,"%s\\%s",szDir,fd.name);

                  //check for volume space remaining
                  CFileStatus status;
                  CFile::GetStatus(szFileName, status );
                  if(status.m_attribute==      0x10) //directory
                        CopyFiles(szFrom,szTo);
            }         

    }while(_findnext(hFile, &fd) == 0);
    _findclose( hFile );

return(0);
}

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by:shrif
ID: 1419024
jkr, repost as an 'answer'

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jkr earned 100 total points
ID: 1419025
Thanx shrif ;-)
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