93 lines
2 KiB
C
93 lines
2 KiB
C
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//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1993.
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//
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// File: wow32fn.h
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//
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// Contents: WOW 32-bit private function declarations
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//
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// History: 18-Feb-94 DrewB Created
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//
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//----------------------------------------------------------------------------
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#ifndef __WOW32FN_H__
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#define __WOW32FN_H__
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//
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// WOW types
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//
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// 'V'DM pointers
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typedef DWORD VPVOID;
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typedef DWORD VPSTR;
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typedef HANDLE HAND32;
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typedef WORD HAND16;
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typedef HAND16 HMEM16;
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typedef HAND16 HWND16;
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typedef HAND16 HDC16;
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typedef HAND16 HRGN16;
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typedef HAND16 HMENU16;
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typedef HAND16 HICON16;
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typedef HAND16 HBITMAP16;
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typedef HAND16 HACCEL16;
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typedef HAND16 HTASK16;
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typedef HAND16 HMETAFILE16;
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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// Macros to handle conversion of 16:16 pointers to 0:32 pointers
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// On NT this mapping is guaranteed to stay stable in a WOW process
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// as long as a 32->16 transition doesn't occur
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//
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// On Chicago 32-bit code can be preempted at any time so selectors
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// must be fixed to protect them from being remapped
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#if defined(_CHICAGO_)
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#define WOWFIXVDMPTR(vp, cb) WOWGetVDMPointerFix(vp, cb, TRUE)
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#define WOWRELVDMPTR(vp) WOWGetVDMPointerUnfix(vp)
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#else
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#define WOWFIXVDMPTR(vp, cb) WOWGetVDMPointer(vp, cb, TRUE)
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#define WOWRELVDMPTR(vp) (vp)
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#endif
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#define FIXVDMPTR(vp, type) \
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(type UNALIGNED *)WOWFIXVDMPTR(vp, sizeof(type))
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#define RELVDMPTR(vp) \
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WOWRELVDMPTR(vp)
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#if !defined(_CHICAGO_)
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HAND16 CopyDropFilesFrom32(HANDLE h32);
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HANDLE CopyDropFilesFrom16(HAND16 h16);
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#endif
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#ifdef __cplusplus
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}
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#endif
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// 16-bit HGLOBAL tracking functions
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#if DBG == 1
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VPVOID WgtAllocLock(WORD wFlags, DWORD cb, HMEM16 *ph);
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void WgtUnlockFree(VPVOID vpv);
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void WgtDump(void);
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#else
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#define WgtAllocLock(wFlags, cb, ph) \
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WOWGlobalAllocLock16(wFlags, cb, ph)
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#define WgtUnlockFree(vpv) \
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WOWGlobalUnlockFree16(vpv)
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#define WgtDump()
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#endif
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#endif // #ifndef __WOW32FN_H__
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