🚀 go-pugleaf

Hi all,  I wrote this sorting DLL years ago
works fine and all. However recently I started
using the DLL more than once at a time, via
the current win user and a web user.

This is a sorting DLL.
However whenever, the web or win user process
start and concurrency begins, and ends an access
violation ensues.

Here is the DLL wrapper code



//---------------------------------------------------------------------------
// The procID and Sequence number are to make
// unique temporary file sets in the DLL
// so file names would not collide in the sorting
// process.
//---------------------------------------------------------------------------

typedef void (__stdcall *lpSortWrapperDLL)(char *, int, int, char *, 
char *);


void SortWithDLL(char *cmdline,  int procID, int SeqNo, char *InF, char 
*OutF)
{
   HINSTANCE lpDLL = LoadLibrary("CTSORT.DLL");
   lpSortWrapperDLL SortWrapperDLL=NULL;

   if (lpDLL)
   {
       SortWrapperDLL = (lpSortWrapperDLL) GetProcAddress(lpDLL, 
"SortWrapperDLL");
       if (SortWrapperDLL) SortWrapperDLL(cmdline, procID, SeqNo, InF, 
OutF);

     if (!SortWrapperDLL)
     {
       ErrorMessage("Function not found in DLL!");
     }

     FreeLibrary(lpDLL);
   }
   else
   {
     ErrorMessage("CTSORT.DLL is needed.");
   }
}