368 lines
10 KiB
C
368 lines
10 KiB
C
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// --------------------------------------------------------------------------
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//
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// AS16.H
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//
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// Defines for 16-bit patching dll, the vestigial pieces of the dclwin95
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// code we still need in the 32-bit port.
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//
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// NOTE ON VARIABLE NAMING CONVENTION:
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// c_ is codeseg (constant)
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// s_ is local (writeable, static to file)
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// g_ is global (writeable, accessed by any file)
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//
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// --------------------------------------------------------------------------
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#ifndef _H_AS16
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#define _H_AS16
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#define DLL_PROCESS_DETACH 0
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#define DLL_PROCESS_ATTACH 1
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#define FAR_NULL ((void FAR*)0L)
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#define CODESEG _based(_segname("_CODE"))
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#define DWORD_PTR DWORD
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#define LONG_PTR LONG
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#define UINT_PTR DWORD
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#define PVOID LPVOID
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//
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// SYSTEM & APP SHARING HEADERS
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//
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#include <dcg.h>
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#include <ut.h>
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#include <dcs.h>
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#include <osi.h>
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#include <shm.h>
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#include <sbc.h>
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#include <oe.h>
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#include <ssi.h>
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#include <host.h>
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#include <im.h>
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#include <usr.h>
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#include <asthk.h>
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//
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// WINDOWS FUNCTIONS
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//
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int MyStrcmp(LPCSTR lp1, LPCSTR lp2);
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/////////////////////////////////////////////////////////////////////////////
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// KERNEL
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/////////////////////////////////////////////////////////////////////////////
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// Pointer mapping 16<->32
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LPVOID WINAPI MapSL(LPVOID lp16BitPtr);
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LPVOID WINAPI MapLS(LPVOID lp32BitPtr);
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void WINAPI UnMapLS(LPVOID lp16BitMappedPtr);
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DWORD WINAPI GetModuleHandle32(LPSTR);
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DWORD WINAPI GetProcAddress32(DWORD, LPSTR);
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HANDLE WINAPI GetExePtr(HANDLE);
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HINSTANCE WINAPI MapInstance32(DWORD); // Our wrapper around MaphInstLS
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// GetCodeInfo() flags
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#define NSTYPE 0x0007
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#define NSCODE 0x0000
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#define NSDATA 0x0001
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#define NSITER 0x0008
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#define NSMOVE 0x0010
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#define NSSHARE 0x0020
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#define HSPRELOAD 0x0040
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#define NSERONLY 0x0080
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#define NSRELOC 0x0100
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#define NSDPL 0x0C00
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#define NSDISCARD 0x1000
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#define NS286DOS 0xCE06
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#define NSALLOCED 0x0002
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#define NSLOADED 0x0004
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#define NSCOMPR 0x0200
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#define NSUSESDATA 0x0400
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#define NSKCACHED 0x0800
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#define NSUSE32 0x2000
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#define NSWINCODE 0x4000
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#define NSINROM 0x8000
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// Process info
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#define GPD_PPI 0
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#define GPD_FLAGS -4
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#define GPD_PARENT -8
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#define GPD_STARTF_FLAGS -12
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#define GPD_STARTF_POS -16
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#define GPD_STARTF_SIZE -20
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#define GPD_STARTF_SHOWCMD -24
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#define GPD_STARTF_HOTKEY -28
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#define GPD_STARTF_SHELLDATA -32
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#define GPD_CURR_PROCESS_ID -36
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#define GPD_CURR_THREAD_ID -40
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#define GPD_EXP_WINVER -44
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#define GPD_EXP_WINVER -44
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#define GPD_HINST -48
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#define GPD_HUTSTATE -52
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#define GPD_COMPATFLAGS -56
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//
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// GPD_FLAGS
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//
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#define GPF_DEBUG_PROCESS 0x00000001
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#define GPF_WIN16_PROCESS 0x00000008
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#define GPF_DOS_PROCESS 0x00000010
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#define GPF_CONSOLE_PROCESS 0x00000020
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#define GPF_SERVICE_PROCESS 0x00000100
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//
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// GPD_STARTF_FLAGS
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//
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#define STARTF_USESHOWWINDOW 0x00000001
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#define STARTF_USESIZE 0x00000002
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#define STARTF_USEPOSITION 0x00000004
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#define STARTF_FORCEONFEEDBACK 0x00000040
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#define STARTF_FORCEOFFFEEDBACK 0x00000080
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#define STARTF_USEHOTKEY 0x00000200
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#define STARTF_HASSHELLDATA 0x00000400
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DWORD WINAPI GetProcessDword(DWORD idProcess, int iIndex);
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BOOL WINAPI SetProcessDword(DWORD idProcess, int iIndex, DWORD dwValue);
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void WINAPI _EnterWin16Lock(void);
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void WINAPI _LeaveWin16Lock(void);
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//
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// Special krnl386 routine to map unicode to ansi. We only need thunk for
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// converting back.
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//
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int WINAPI UniToAnsi(LPWSTR lpwszSrc, LPSTR lpszDst, int cch);
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//
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// kernel32.dll routine to map back to unicode from ansi.
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//
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typedef LONG (WINAPI * ANSITOUNIPROC)(DWORD codePage, DWORD dwFlags,
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LPCSTR lpMb, LONG cchMb, LPWSTR lpUni, LONG cchUni);
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int AnsiToUni(LPSTR lpMb, int cchMb, LPWSTR lpUni, int cchUni);
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//
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// dwMask is bitfields, where 1 means that parameter should be thunked as
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// a pointer. 0x00000001 means the 1st param, 0x00000002 means the 2nd,
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// and so on.
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//
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// The caller is responsible for making sure that the 32-bit address is
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// valid to call.
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//
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DWORD FAR _cdecl CallProcEx32W(DWORD numParams, DWORD dwMask, DWORD lpfn32, ...);
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/////////////////////////////////////////////////////////////////////////////
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// GDI
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/////////////////////////////////////////////////////////////////////////////
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//
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// Useful DIB def
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//
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typedef struct tagDIB4
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{
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BITMAPINFOHEADER bi;
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DWORD ct[16];
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} DIB4;
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BOOL WINAPI MakeObjectPrivate(HANDLE, BOOL);
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UINT WINAPI CreateSpb(HDC, int, int);
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BOOL WINAPI SysDeleteObject(HANDLE);
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HRGN WINAPI GetClipRgn(HDC);
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UINT WINAPI Death(HDC);
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UINT WINAPI Resurrection(HDC, DWORD, DWORD, DWORD);
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void WINAPI RealizeDefaultPalette(HDC);
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DWORD WINAPI GDIRealizePalette(HDC);
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extern DWORD FAR FT_GdiFThkThkConnectionData[];
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typedef BOOL (WINAPI* REALPATBLTPROC)(HDC, int, int, int, int, DWORD);
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typedef BOOL (WINAPI* TEXTOUTWPROC)(HDC, int, int, LPCWSTR, int);
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typedef BOOL (WINAPI* EXTTEXTOUTWPROC)(HDC, int, int, UINT, LPCRECT, LPCWSTR, UINT, LPINT);
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typedef BOOL (WINAPI* POLYLINETOPROC)(HDC, LPCPOINT, int);
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typedef BOOL (WINAPI* POLYPOLYLINEPROC)(DWORD, HDC, LPCPOINT, LPINT, int);
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typedef BOOL (WINAPI* SETCURSORPROC)(LPCURSORSHAPE lpcurs);
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typedef BOOL (WINAPI* SAVEBITSPROC)(LPRECT lprcSave, UINT uCmd);
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/////////////////////////////////////////////////////////////////////////////
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// USER
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/////////////////////////////////////////////////////////////////////////////
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#define WOAHACK_CHECKALTKEYSTATE 1
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#define WOAHACK_IGNOREALTKEYDOWN 2
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#define WOAHACK_DISABLEREPAINTSCREEN 3
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#define WOAHACK_LOSINGDISPLAYFOCUS 4
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#define WOAHACK_GAININGDISPLAYFOCUS 5
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#define WOAHACK_IAMAWINOLDAPPSORTOFGUY 6
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#define WOAHACK_SCREENSAVER 7
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BOOL WINAPI RealGetCursorPos(LPPOINT);
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void WINAPI PostPostedMessages(void);
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void WINAPI DispatchInput(void);
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LONG WINAPI WinOldAppHackoMatic(LONG flags);
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typedef DWORD (WINAPI* GETWINDOWTHREADPROCESSIDPROC)(HWND, LPDWORD);
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typedef LONG (WINAPI* CDSEXPROC)(LPCSTR, LPDEVMODE, HWND, DWORD, LPVOID);
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typedef struct tagCWPSTRUCT
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{
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LPARAM lParam;
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WPARAM wParam;
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UINT message;
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HWND hwnd;
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} CWPSTRUCT, FAR* LPCWPSTRUCT;
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//
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// Cursor stuff
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//
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#define BitmapWidth(cx, bits)\
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((((cx)*(bits) + 0x0F) & ~0x0F) >> 3)
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#define BitmapSize(cx, cy, planes, bits)\
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(BitmapWidth(cx, bits) * (cy) * (planes))
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extern DWORD FAR FT_UsrFThkThkConnectionData[];
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void PostMessageNoFail(HWND, UINT, WPARAM, LPARAM);
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//
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// Mouse_ and Keybd_ Event stuf
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//
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//
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// For keyboard events, the app API and USER intterrupt flags are different.
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// For mouse events, they are the same.
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//
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#define KEYEVENTF_EXTENDEDKEY 0x0001
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#define KEYEVENTF_KEYUP 0x0002
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#define USERKEYEVENTF_EXTENDEDKEY 0x0100
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#define USERKEYEVENTF_KEYUP 0x8000
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#define MOUSEEVENTF_MOVE 0x0001
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#define MOUSEEVENTF_LEFTDOWN 0x0002
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#define MOUSEEVENTF_LEFTUP 0x0004
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#define MOUSEEVENTF_RIGHTDOWN 0x0008
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#define MOUSEEVENTF_RIGHTUP 0x0010
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#define MOUSEEVENTF_MIDDLEDOWN 0x0020
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#define MOUSEEVENTF_MIDDLEUP 0x0040
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#define MOUSEEVENTF_WHEEL 0x0800
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#define MOUSEEVENTF_ABSOLUTE 0x8000
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void FAR mouse_event(void);
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void FAR ASMMouseEvent(void);
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void CallMouseEvent(UINT regAX, UINT regBX, UINT regCX, UINT regDX,
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UINT regSI, UINT regDI);
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void FAR keybd_event(void);
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void FAR ASMKeyboardEvent(void);
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void CallKeyboardEvent(UINT regAX, UINT regBX, UINT regSI, UINT regDI);
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//
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// Signals
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//
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#define SIG_PRE_FORCE_LOCK 0x0003
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#define SIG_POST_FORCE_LOCK 0x0004
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BOOL WINAPI SignalProc32(DWORD dwSignal, DWORD dwID, DWORD dwFlags, WORD hTask16);
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//
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// PATCHING
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//
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#define OPCODE32_PUSH 0x68
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#define OPCODE32_CALL 0xE8
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#define OPCODE32_MOVCL 0xB1
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#define OPCODE32_MOVCX 0xB966
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#define OPCODE32_JUMP4 0xE9
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#define OPCODE_MOVAX 0xB8
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#define OPCODE_FARJUMP16 0xEA
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#define OPCODE32_16OVERRIDE 0x66
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#define CB_PATCHBYTES16 5
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#define CB_PATCHBYTES32 6
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#define CB_PATCHBYTESMAX max(CB_PATCHBYTES16, CB_PATCHBYTES32)
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typedef struct tagFN_PATCH
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{
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BYTE rgbOrg[CB_PATCHBYTESMAX]; // Original function bytes
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BYTE rgbPatch[CB_PATCHBYTESMAX]; // Patch bytes
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UINT wSegOrg; // Original code segment (we fix it)
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UINT fActive:1; // Patch has been activated
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UINT fEnabled:1; // Patch is currently enabled
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UINT fSharedAlias:1; // Don't free selector on destroy
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UINT fInterruptable:1; // Interrupt handler
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UINT f32Bit:1; // 32-bit code segment
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LPBYTE lpCodeAlias; // We keep an alias around to quickly enable/disable
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} FN_PATCH, FAR* LPFN_PATCH;
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#define ENABLE_OFF 0x0000 // disable end
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#define ENABLE_ON 0x0001 // enable start
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#define ENABLE_FORCALL 0x8000 // disable/enable for org call
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#define ENABLE_MASK 0x8001
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#define PATCH_ACTIVATE (ENABLE_ON)
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#define PATCH_DEACTIVATE (ENABLE_OFF)
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#define PATCH_ENABLE (ENABLE_ON | ENABLE_FORCALL)
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#define PATCH_DISABLE (ENABLE_OFF | ENABLE_FORCALL)
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//
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// NOTE: If the function being patched can be called at interrupt time,
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// the caller must make sure the jump to function can handle it.
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//
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// When your patch is called you:
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// * disable your patch with ENABLE_CALLOFF
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// * call the original function
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// * enable your patch with ENABLE_CALLON
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//
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UINT CreateFnPatch(LPVOID lpfnToPatch, LPVOID lpfnJumpTo, LPFN_PATCH lpbPatch, UINT selCodeAlias);
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void DestroyFnPatch(LPFN_PATCH lpbPatch);
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void EnableFnPatch(LPFN_PATCH lpbPatch, UINT flags);
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BOOL GetGdi32OnlyExport(LPSTR lpszExport, UINT cbJmpOffset, FARPROC FAR* lplpfn16);
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BOOL GetUser32OnlyExport(LPSTR lpszExport, FARPROC FAR* lplpfn16);
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BOOL Get32BitOnlyExport(DWORD lpfn32, UINT cbJmpOffset, LPDWORD lpThunkTable, FARPROC FAR * lplpfn16);
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LPCURSORSHAPE XformCursorBits(LPCURSORSHAPE lpOrg);
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// #define OTRACE WARNING_OUT
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#define OTRACE TRACE_OUT
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#include <globals.h>
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#endif // !_H_AS16
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