#pragma warning(disable : 4996)

#include <windows.h></windows.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, "\\");

	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

		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