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316 lines
7.1 KiB
316 lines
7.1 KiB
/*++
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*
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* WOW v1.0
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*
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* Copyright (c) 1991, Microsoft Corporation
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*
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* WCALL32.C
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* WOW32 16-bit resource support
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*
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* History:
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* Created 11-Mar-1991 by Jeff Parsons (jeffpar)
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--*/
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#include "precomp.h"
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#pragma hdrstop
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MODNAME(wcall32.c);
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//
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// the 16-bit local handles are treated as 32-bit quantities.
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// the low word contains the 16-bit handle and the high word
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// contains the data segment for the block.
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// when we do a callback to WOW16LocalAlloc it will
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// return the DS in the high word (which is normally unused).
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// on subsequent callbacks to realloc/lock/unlock/size/free
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// the 16-bit code sets the DS to this value.
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//
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HANDLE APIENTRY W32LocalAlloc(UINT dwFlags, UINT dwBytes, HANDLE hInstance)
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{
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//
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// If hInstance is not ours, then make Win32 call and return the
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// result to USER.
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//
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if (LOWORD (hInstance) == 0) {
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return (LocalAlloc(dwFlags, dwBytes));
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}
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#if !defined(i386)
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if (dwBytes != 0)
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dwBytes += 4;
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#endif
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return LocalAlloc16((WORD)dwFlags, (INT)dwBytes, hInstance);
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}
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// This api takes an extra pointer which is optional
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// In case of an edit control reallocating the memory inside apps memory
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// space it is used to update the thunk data (see wparam.c)
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HANDLE APIENTRY W32LocalReAlloc(
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HANDLE hMem, // memory to be reallocated
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UINT dwBytes, // size to reallocate to
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UINT dwFlags, // reallocation flags
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HANDLE hInstance, // Instance to identify ptr
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PVOID* ppv) // Pointer to the pointer that needs an update
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{
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//
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// If hInstance is not ours, then make Win32 call and return the
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// result to USER.
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//
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if (LOWORD (hInstance) == 0) {
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return (LocalReAlloc(hMem, dwBytes, dwFlags));
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}
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#if !defined(i386)
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if (dwBytes != 0)
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dwBytes += 4;
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#endif
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hMem = LocalReAlloc16(hMem, (INT)dwBytes, (WORD)dwFlags);
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// this code is used in User/Client (edit control) to realloc
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// memory for text storage
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// update what ppv points to using wparam.c
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if (NULL != ppv && NULL != *ppv) {
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*ppv = ParamMapUpdateNode((DWORD)*ppv, PARAM_32, NULL);
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}
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return hMem;
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}
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LPSTR APIENTRY W32LocalLock(HANDLE hMem, HANDLE hInstance)
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{
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VPVOID vp;
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//
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// If hInstance is not ours, then make Win32 call and return the
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// result to USER.
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//
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if (LOWORD (hInstance) == 0) {
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return (LocalLock(hMem));
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}
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if (vp = LocalLock16(hMem)) {
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return (LPSTR)VDMPTR(vp, 0);
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}
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else
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return NULL;
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}
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BOOL APIENTRY W32LocalUnlock(HANDLE hMem, HANDLE hInstance)
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{
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//
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// If hInstance is not ours, then make Win32 call and return the
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// result to USER.
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//
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if (LOWORD (hInstance) == 0) {
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return (LocalUnlock(hMem));
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}
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return LocalUnlock16(hMem);
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}
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DWORD APIENTRY W32LocalSize(HANDLE hMem, HANDLE hInstance)
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{
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DWORD dwSize;
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//
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// If hInstance is not ours, then make Win32 call and return the
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// result to USER.
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//
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if (LOWORD (hInstance) == 0) {
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return (LocalSize(hMem));
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}
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dwSize = LocalSize16(hMem);
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#if !defined(i386)
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if (dwSize >= 4)
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dwSize -= 4;
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#endif
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return dwSize;
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}
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HANDLE APIENTRY W32LocalFree(HANDLE hMem, HANDLE hInstance)
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{
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//
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// If hInstance is not ours, then make Win32 call and return the
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// result to USER.
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//
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if (LOWORD (hInstance) == 0) {
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return (LocalFree(hMem));
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}
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return LocalFree16(hMem);
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}
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ULONG APIENTRY W32GetExpWinVer(HANDLE hInst)
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{
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PARM16 Parm16;
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ULONG ul;
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// makes a direct call to krnl286:GetExpWinVer
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//
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if (LOWORD((DWORD)hInst) == (WORD) NULL) {
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//
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// Window is created by a 32 bit DLL, which is
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// linked to NTVDM process. So, we should not
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// passs it to the 16 bit kernel.
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//
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return (WOWRtlGetExpWinVer(hInst));
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}
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else {
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LPBYTE lpNewExeHdr;
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VPVOID vp = (DWORD)hInst & 0xffff0000;
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GETMISCPTR(vp, lpNewExeHdr);
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if (lpNewExeHdr) {
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ul = MAKELONG(*(PWORD16)&lpNewExeHdr[NE_LOWINVER_OFFSET],
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(*(PWORD16)&lpNewExeHdr[NE_HIWINVER_OFFSET] &
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FLAG_NE_PROPFONT));
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}
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else {
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Parm16.WndProc.wParam = LOWORD(hInst);
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CallBack16(RET_GETEXPWINVER, &Parm16, 0, &ul );
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}
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return ul;
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}
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}
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WORD APIENTRY W32GlobalAlloc16(UINT uFlags, DWORD dwBytes)
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{
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return HIWORD(GlobalAllocLock16((WORD)uFlags, dwBytes, NULL));
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}
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VOID APIENTRY W32GlobalFree16(WORD selector)
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{
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GlobalUnlockFree16(MAKELONG(0, selector));
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return;
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}
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int APIENTRY W32EditNextWord (LPSZ lpszEditText, int ichCurrentWord,
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int cbEditText, int action, DWORD dwProc16)
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{
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PARM16 Parm16;
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ULONG lReturn = 0;
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PBYTE lpstr16;
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VPVOID vpstr16;
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VPVOID vpfn;
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if (vpstr16 = malloc16 (cbEditText)) {
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GETMISCPTR (vpstr16, lpstr16);
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if (lpstr16) {
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lstrcpy (lpstr16, lpszEditText);
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// take out the marker bits and fix the RPL bits
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UnMarkWOWProc (dwProc16, vpfn);
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Parm16.WordBreakProc.action = GETINT16(action);
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Parm16.WordBreakProc.cbEditText = GETINT16(cbEditText);
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Parm16.WordBreakProc.ichCurrentWord = GETINT16(ichCurrentWord);
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Parm16.WordBreakProc.lpszEditText = vpstr16;
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CallBack16(RET_SETWORDBREAKPROC, &Parm16, vpfn, (PVPVOID)&lReturn);
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FREEMISCPTR (lpstr16);
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}
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free16(vpstr16);
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}
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return (INT32(LOWORD(lReturn)));
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}
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/***************************************************************************\
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* WOWRtlGetExpWinVer
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*
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* Returns the expected windows version, in the same format as Win3.1's
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* GetExpWinVer(). This takes it out of the module header.
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*
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* 09-9-92 ChandanC Created.
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\***************************************************************************/
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DWORD WOWRtlGetExpWinVer(
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HANDLE hmod)
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{
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PIMAGE_NT_HEADERS pnthdr;
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DWORD dwMajor = 3;
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DWORD dwMinor = 0xA;
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if (hmod != NULL) {
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try {
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pnthdr = (PIMAGE_NT_HEADERS)RtlImageNtHeader((PVOID)hmod);
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dwMajor = pnthdr->OptionalHeader.MajorSubsystemVersion;
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dwMinor = pnthdr->OptionalHeader.MinorSubsystemVersion;
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} except (EXCEPTION_EXECUTE_HANDLER) {
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dwMajor = 3; // just to be safe
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dwMinor = 0xA;
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}
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}
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// !!! HACK until linker is fixed!!! 05-Aug-1992 Bug #3211
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if (((dwMajor == 3) && (dwMinor == 1)) || (dwMajor == 1)) {
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dwMajor = 0x3;
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dwMinor = 0xA;
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}
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#ifdef FE_SB
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if (GetSystemDefaultLangID() == 0x411 &&
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CURRENTPTD()->dwWOWCompatFlagsFE & WOWCF_FE_BCW45J_COMMDLG &&
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dwMajor >= 4) {
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// When application display win3.x style DialogBox,
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// System requires return value of version 3.10
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dwMajor = 0x3;
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dwMinor = 0xA;
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}
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#endif // FE_SB
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/*
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* Return this is a win3.1 compatible format:
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*
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* 0x030A == win3.1
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* 0x0300 == win3.0
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* 0x0200 == win2.0, etc.
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*
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*/
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return (DWORD)MAKELONG(MAKEWORD((BYTE)dwMinor, (BYTE)dwMajor), 0);
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}
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