enumstreams.c

PGP8.0源码 请认真阅读您的文件包然后写出其具体功能

/*__________________________________________________________________________
 Copyright (C) 2002 PGP Corporation
 All rights reserved.
 
 $Id: EnumStreams.c,v 1.3 2002/08/06 20:10:09 dallen Exp $
__________________________________________________________________________*/

#ifdef _IA64_
#pragma warning(disable: 4127)
#endif

#include "precomp.h"
#include <tchar.h>
#include "findstream.h"

DWORD WipeStreams(PGPContextRef context,HWND hwnd,
		char *szFile,DWORD dwWipeFlags,DWORD dwPasses)
{
   HANDLE hFindStream;
   STREAM_FIND_DATA ffStream;
   DWORD WipeReturn;

   WipeReturn=WIPE_OK;

   hFindStream = FindFirstStream(szFile, &ffStream);
   if (hFindStream == INVALID_HANDLE_VALUE)
   {
//      _tprintf(_T("Cannot get list of streams.  LastError = %d\n"),
//               GetLastError());
      return WipeReturn;
   }

   // Enumerate the streams
   while (1)
   {
	   if(ffStream.cStreamName[0]!=0)
	   {
		   char *szName;

		   szName=(char *)malloc(strlen(szFile)+1+strlen(ffStream.cStreamName)+1);

		   if(szName!=NULL)
		   {
			   sprintf(szName,_T("%s:%s"),
				   szFile,
				   ffStream.cStreamName);

	//		   MessageBox(NULL,szName,"ADS Test",MB_OK);

			   WipeReturn=InternalFileWipe(context,
					hwnd,szName,dwWipeFlags|WIPE_ADS|WIPE_DONOTDELETE,
					dwPasses,(PGPUInt64)(ffStream.Size.QuadPart));

				free(szName);
		   }

		   if(WipeReturn!=WIPE_OK)
			   break;
	   }

//      _tprintf(_T("stream '%s' of size %I64u\n"),
//              ffStream.cStreamName,
//              ffStream.Size);

      if (!FindNextStream(hFindStream, &ffStream))
         if (GetLastError() == ERROR_NO_MORE_FILES)
            break;
         else
         {
//            _tprintf(_T("Error getting next stream data %u\n"),
//                     GetLastError());
            break;
         }
   }

   // Close the handle
   FindCloseStream(hFindStream);

   return WipeReturn;
}


/*__Editor_settings____

	Local Variables:
	tab-width: 4
	End:
	vi: ts=4 sw=4
	vim: si
_____________________*/