#pragma warning(disable : 4996)

#include <windows.h></windows.h>

#include <stdlib.h></stdlib.h>

#include "ttwain_state.h"

#include "ttwainP.h"

#include "ttwain_statePD.h"

#include "ttwain_util.h"

#ifdef __cplusplus

extern "C" {

#endif

static void *hDSMLib; /* handle of DSM */

extern void TTWAIN_SetState(TWAINSTATE status);

int TTWAIN_LoadSourceManagerPD(void) {

  char winDir[_MAX_PATH];

  if (TTWAIN_GetState() >= TWAIN_SM_LOADED)

    return TRUE; /* DSM already loaded */

  GetWindowsDirectory(winDir, _MAX_PATH);

  if (!winDir[0]) return FALSE;

  strcat(winDir, "\\system32\\");

  // strcat(winDir, "\\");

  strcat(winDir, DSM_FILENAME);

  hDSMLib = LoadLibrary(winDir);

  /*

if (tnz_access(winDir, 0x00) != -1)

hDSMLib = LoadLibrary(winDir);

else

{

hDSMLib = 0;

return FALSE;

}

*/

  if (hDSMLib) {

    TTwainData.DSM_Entry =

        (DSMENTRYPROC)GetProcAddress(hDSMLib, DSM_ENTRYPOINT);

    if (TTwainData.DSM_Entry) {

      TTWAIN_SetAvailable(AVAIABLE_YES);

      TTWAIN_SetState(TWAIN_SM_LOADED);

    } else {

      FreeLibrary(hDSMLib);

      hDSMLib = NULL;

    }

  } else {

    DWORD err            = GetLastError();

    TTwainData.DSM_Entry = 0;

  }

  return (TTWAIN_GetState() >= TWAIN_SM_LOADED);

}

/*---------------------------------------------------------------------------*/

int TTWAIN_UnloadSourceManagerPD(void) {

  if (TTWAIN_GetState() == TWAIN_SM_LOADED) {

    if (hDSMLib) {

      FreeLibrary(hDSMLib);

      hDSMLib = NULL;

    }

    TTwainData.DSM_Entry = NULL;

    TTWAIN_SetState(TWAIN_PRESESSION);

  }

  return (TTWAIN_GetState() == TWAIN_PRESESSION);

}

/*---------------------------------------------------------------------------*/

#ifdef __cplusplus

}

#endif