/****************************************************************************
* UTRegister (KERNEL32.@)
*/
BOOL WINAPI UTRegister( HMODULE hModule, LPSTR lpsz16BITDLL,
LPSTR lpszInitName, LPSTR lpszProcName,
FARPROC *ppfn32Thunk, FARPROC pfnUT32CallBack,
LPVOID lpBuff )
{
UTINFO *ut;
HMODULE16 hModule16;
FARPROC16 target16, init16;
/* Load 16-bit DLL and get UTProc16 entry point */
if ( (hModule16 = LoadLibrary16( lpsz16BITDLL )) <= 32
|| (target16 = GetProcAddress16( hModule16, lpszProcName )) == 0 )
return FALSE;
/* Allocate UTINFO struct */
RtlAcquirePebLock();
if ( (ut = UTFind( hModule )) != NULL )
ut = NULL;
else
ut = UTAlloc( hModule, hModule16, target16, pfnUT32CallBack );
RtlReleasePebLock();
if ( !ut )
{
FreeLibrary16( hModule16 );
return FALSE;
}
/* Call UTInit16 if present */
if ( lpszInitName
&& (init16 = GetProcAddress16( hModule16, lpszInitName )) != 0 )
{
SEGPTR callback = MapLS( &ut->ut16 );
SEGPTR segBuff = MapLS( lpBuff );
WORD args[4];
DWORD ret;
args[3] = SELECTOROF(callback);
args[2] = OFFSETOF(callback);
args[1] = SELECTOROF(segBuff);
args[0] = OFFSETOF(segBuff);
WOWCallback16Ex( (DWORD)init16, WCB16_PASCAL, sizeof(args), args, &ret );
UnMapLS( segBuff );
UnMapLS( callback );
if (!ret)
{
UTUnRegister( hModule );
return FALSE;
}
}
/* Return 32-bit thunk */
*ppfn32Thunk = (FARPROC) &ut->ut32;
return TRUE;
}
BOOL WINAPI
ntw32lib_dllinit (HANDLE self, DWORD reason, LPVOID reserved)
{
BOOL crt_result = TRUE;
static counter = 0;
switch (reason)
{
case DLL_PROCESS_ATTACH:
if (counter++ == 0)
return ((UTRegister (self,
NTW16LIB_DLL_NAME,
"ntw16lib_init",
"ntw16lib_handler",
& call_16_bit_code,
called_from_16_bit_code,
NULL))
&& crt_result
);
break;
case DLL_THREAD_ATTACH:
break;
case DLL_THREAD_DETACH:
break;
case DLL_PROCESS_DETACH:
if (--counter == 0)
UTUnRegister (self);
break;
default:
return (FALSE);
}
return (crt_result);
}