windows-nt/Source/XPSP1/NT/enduser/netmeeting/ui/conf/pfnsetupapi.cpp

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2020-09-26 03:20:57 -05:00
// File: pfnsetupapi.cpp
#include "precomp.h"
#include "pfnsetupapi.h"
PFN_SET_INSTALL SETUPAPI::SetupInstallFromInfSection = NULL;
PFN_SET_OPFILE SETUPAPI::SetupOpenInfFile = NULL;
PFN_SET_CLFILE SETUPAPI::SetupCloseInfFile = NULL;
HINSTANCE SETUPAPI::m_hInstance = NULL;
#define SETUPAPI_APIFCN_ENTRYA(pfn) {(PVOID *) &SETUPAPI::##pfn, #pfn ## "A"}
#define SETUPAPI_APIFCN_ENTRYW(pfn) {(PVOID *) &SETUPAPI::##pfn, #pfn ## "A"}
#define SETUPAPI_APIFCN_ENTRYNONE(pfn) {(PVOID *) &SETUPAPI::##pfn, #pfn }
#ifdef UNICODE
#define SETUPAPI_APIFCN_ENTRY SETUPAPI_APIFCN_ENTRYW
#else
#define SETUPAPI_APIFCN_ENTRY SETUPAPI_APIFCN_ENTRYA
#endif
APIFCN s_apiFcnSETUPAPI[] = {
SETUPAPI_APIFCN_ENTRY(SetupInstallFromInfSection),
SETUPAPI_APIFCN_ENTRY(SetupOpenInfFile),
SETUPAPI_APIFCN_ENTRYNONE(SetupCloseInfFile)
};
HRESULT SETUPAPI::Init(void)
{
if (NULL != SETUPAPI::m_hInstance)
return S_OK;
return HrInitLpfn(s_apiFcnSETUPAPI, ARRAY_ELEMENTS(s_apiFcnSETUPAPI), &SETUPAPI::m_hInstance, TEXT("SETUPAPI.DLL"));
}
void SETUPAPI::DeInit(void)
{
// TODO - why does the main thread die when I unload this?
if( NULL != SETUPAPI::m_hInstance )
FreeLibrary( SETUPAPI::m_hInstance );
}