78 lines
1.6 KiB
C
78 lines
1.6 KiB
C
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#pragma warning(disable : 4996)
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#include <windows.h>
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#include <stdlib.h>
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#include "ttwain_state.h"
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#include "ttwainP.h"
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#include "ttwain_statePD.h"
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#include "ttwain_util.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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static void *hDSMLib; /* handle of DSM */
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extern void TTWAIN_SetState(TWAINSTATE status);
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int TTWAIN_LoadSourceManagerPD(void) {
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char winDir[_MAX_PATH];
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if (TTWAIN_GetState() >= TWAIN_SM_LOADED)
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return TRUE; /* DSM already loaded */
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GetWindowsDirectory(winDir, _MAX_PATH);
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if (!winDir[0]) return FALSE;
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strcat(winDir, "\\system32\\");
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// strcat(winDir, "\\");
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strcat(winDir, DSM_FILENAME);
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hDSMLib = LoadLibrary(winDir);
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/*
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if (tnz_access(winDir, 0x00) != -1)
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hDSMLib = LoadLibrary(winDir);
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else
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{
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hDSMLib = 0;
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return FALSE;
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}
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*/
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if (hDSMLib) {
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TTwainData.DSM_Entry =
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(DSMENTRYPROC)GetProcAddress(hDSMLib, DSM_ENTRYPOINT);
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if (TTwainData.DSM_Entry) {
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TTWAIN_SetAvailable(AVAIABLE_YES);
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TTWAIN_SetState(TWAIN_SM_LOADED);
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} else {
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FreeLibrary(hDSMLib);
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hDSMLib = NULL;
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}
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} else {
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DWORD err = GetLastError();
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TTwainData.DSM_Entry = 0;
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}
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return (TTWAIN_GetState() >= TWAIN_SM_LOADED);
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}
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/*---------------------------------------------------------------------------*/
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int TTWAIN_UnloadSourceManagerPD(void) {
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if (TTWAIN_GetState() == TWAIN_SM_LOADED) {
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if (hDSMLib) {
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FreeLibrary(hDSMLib);
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hDSMLib = NULL;
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}
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TTwainData.DSM_Entry = NULL;
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TTWAIN_SetState(TWAIN_PRESESSION);
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}
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return (TTWAIN_GetState() == TWAIN_PRESESSION);
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}
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/*---------------------------------------------------------------------------*/
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#ifdef __cplusplus
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}
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#endif
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