mirror of
https://github.com/Artikash/Textractor.git
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193 lines
7.5 KiB
C++
193 lines
7.5 KiB
C++
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// pchooks.cc
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// 8/1/2014 jichi
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#include "engine/pchooks.h"
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#include "hook.h"
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#define DEBUG "vnrcli"
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#define DPRINT(cstr) ConsoleOutput(DEBUG ":" __FUNCTION__ ":" cstr) // defined in vnrcli
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// 8/1/2014 jichi: Split is not used.
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// Although split is specified, USING_SPLIT is not assigned.
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// Use LPASTE to convert to wchar_t
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// http://bytes.com/topic/c/answers/135834-defining-wide-character-strings-macros
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#define LPASTE(s) L##s
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#define L(s) LPASTE(s)
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#define NEW_HOOK(_fun, _data, _data_ind, _split_off, _split_ind, _type, _len_off) \
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{ \
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HookParam hp = {}; \
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hp.addr = (DWORD)_fun; \
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hp.off = _data; \
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hp.ind = _data_ind; \
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hp.split = _split_off; \
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hp.split_ind = _split_ind; \
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hp.type = _type; \
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hp.length_offset = _len_off; \
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NewHook(hp, L(#_fun)); \
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}
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// jichi 7/17/2014: Renamed from InitDefaultHook
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void PcHooks::hookGDIFunctions()
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{
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DPRINT("enter");
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// int TextHook::InitHook(LPVOID addr, DWORD data, DWORD data_ind, DWORD split_off, DWORD split_ind, WORD type, DWORD len_off)
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//
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// jichi 9/8/2013: Guessed meaning
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// - data(off): 4 * the n-th (base 1) parameter representing the data of the string
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// - len_off:
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// - the n-th (base 1) parameter representing the length of the string
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// - or 1 if is char
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// - or 0 if detect on run time
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// - type: USING_STRING if len_off != 1 else BIG_ENDIAN or USING_UNICODE
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//
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// Examples:
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// int WINAPI lstrlenA(LPCSTR lpString)
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// - data: 4 * 1 = 4, as lpString is the first
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// - len_off: 0, as no parameter representing string length
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// - type: BIG_ENDIAN, since len_off == 1
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// BOOL GetTextExtentPoint32(HDC hdc, LPCTSTR lpString, int c, LPSIZE lpSize);
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// - data: 4 * 2 = 0x8, as lpString is the second
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// - len_off: 3, as nCount is the 3rd parameter
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// - type: USING_STRING, since len_off != 1
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//
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// Note: All functions does not have NO_CONTEXT attribute and will be filtered.
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enum stack {
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s_retaddr = 0
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, s_arg1 = 4 * 1 // 0x4
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, s_arg2 = 4 * 2 // 0x8
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, s_arg3 = 4 * 3 // 0xc
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, s_arg4 = 4 * 4 // 0x10
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, s_arg5 = 4 * 5 // 0x14
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, s_arg6 = 4 * 6 // 0x18
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};
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//#define _(Name, ...) \
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// hookman[HF_##Name].InitHook(Name, __VA_ARGS__); \
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// hookman[HF_##Name].SetHookName(names[HF_##Name]);
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// Always use s_arg1 = hDC as split_off
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// 7/26/2014 jichi: Why there is no USING_SPLIT type?
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// gdi32.dll
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NEW_HOOK(GetTextExtentPoint32A, s_arg2, 0,s_arg1,0, USING_STRING, 3) // BOOL GetTextExtentPoint32(HDC hdc, LPCTSTR lpString, int c, LPSIZE lpSize);
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NEW_HOOK(GetGlyphOutlineA, s_arg2, 0,s_arg1,0, BIG_ENDIAN, 1) // DWORD GetGlyphOutline(HDC hdc, UINT uChar, UINT uFormat, LPGLYPHMETRICS lpgm, DWORD cbBuffer, LPVOID lpvBuffer, const MAT2 *lpmat2);
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NEW_HOOK(ExtTextOutA, s_arg6, 0,s_arg1,0, USING_STRING, 7) // BOOL ExtTextOut(HDC hdc, int X, int Y, UINT fuOptions, const RECT *lprc, LPCTSTR lpString, UINT cbCount, const INT *lpDx);
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NEW_HOOK(TextOutA, s_arg4, 0,s_arg1,0, USING_STRING, 5) // BOOL TextOut(HDC hdc, int nXStart, int nYStart, LPCTSTR lpString, int cchString);
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NEW_HOOK(GetCharABCWidthsA, s_arg2, 0,s_arg1,0, BIG_ENDIAN, 1) // BOOL GetCharABCWidths(HDC hdc, UINT uFirstChar, UINT uLastChar, LPABC lpabc);
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NEW_HOOK(GetTextExtentPoint32W, s_arg2, 0,s_arg1,0, USING_UNICODE|USING_STRING, 3)
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NEW_HOOK(GetGlyphOutlineW, s_arg2, 0,s_arg1,0, USING_UNICODE, 1)
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NEW_HOOK(ExtTextOutW, s_arg6, 0,s_arg1,0, USING_UNICODE|USING_STRING, 7)
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NEW_HOOK(TextOutW, s_arg4, 0,s_arg1,0, USING_UNICODE|USING_STRING, 5)
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NEW_HOOK(GetCharABCWidthsW, s_arg2, 0,s_arg1,0, USING_UNICODE, 1)
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// user32.dll
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NEW_HOOK(DrawTextA, s_arg2, 0,s_arg1,0, USING_STRING, 3) // int DrawText(HDC hDC, LPCTSTR lpchText, int nCount, LPRECT lpRect, UINT uFormat);
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NEW_HOOK(DrawTextExA, s_arg2, 0,s_arg1,0, USING_STRING, 3) // int DrawTextEx(HDC hdc, LPTSTR lpchText,int cchText, LPRECT lprc, UINT dwDTFormat, LPDRAWTEXTPARAMS lpDTParams);
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NEW_HOOK(DrawTextW, s_arg2, 0,s_arg1,0, USING_UNICODE|USING_STRING, 3)
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NEW_HOOK(DrawTextExW, s_arg2, 0,s_arg1,0, USING_UNICODE|USING_STRING, 3)
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//#undef _
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DPRINT("leave");
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}
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// jichi 10/2/2013
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// Note: All functions does not have NO_CONTEXT attribute and will be filtered.
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void PcHooks::hookLstrFunctions()
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{
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DPRINT("enter");
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// int TextHook::InitHook(LPVOID addr, DWORD data, DWORD data_ind, DWORD split_off, DWORD split_ind, WORD type, DWORD len_off)
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enum stack {
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s_retaddr = 0
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, s_arg1 = 4 * 1 // 0x4
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//, s_arg2 = 4 * 2 // 0x8
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//, s_arg3 = 4 * 3 // 0xc
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//, s_arg4 = 4 * 4 // 0x10
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//, s_arg5 = 4 * 5 // 0x14
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//, s_arg6 = 4 * 6 // 0x18
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};
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// http://msdn.microsoft.com/en-us/library/78zh94ax.aspx
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// int WINAPI lstrlen(LPCTSTR lpString);
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// Lstr functions usually extracts rubbish, and might crash certain games like 「Magical Marriage Lunatics!!」
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// Needed by Gift
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// Use arg1 address for both split and data
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NEW_HOOK(lstrlenA, s_arg1, 0,s_arg1,0, USING_STRING, 0) // 9/8/2013 jichi: int WINAPI lstrlen(LPCTSTR lpString);
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NEW_HOOK(lstrlenW, s_arg1, 0,s_arg1,0, USING_UNICODE|USING_STRING, 0) // 9/8/2013 jichi: add lstrlen
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// size_t strlen(const char *str);
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// size_t strlen_l(const char *str, _locale_t locale);
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// size_t wcslen(const wchar_t *str);
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// size_t wcslen_l(const wchar_t *str, _locale_t locale);
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// size_t _mbslen(const unsigned char *str);
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// size_t _mbslen_l(const unsigned char *str, _locale_t locale);
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// size_t _mbstrlen(const char *str);
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// size_t _mbstrlen_l(const char *str, _locale_t locale);
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// http://msdn.microsoft.com/en-us/library/ex0hs2ad.aspx
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// Needed by 娘姉妹
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//
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// <tchar.h>
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// char *_strinc(const char *current, _locale_t locale);
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// wchar_t *_wcsinc(const wchar_t *current, _locale_t locale);
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// <mbstring.h>
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// unsigned char *_mbsinc(const unsigned char *current);
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// unsigned char *_mbsinc_l(const unsigned char *current, _locale_t locale);
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//_(L"_strinc", _strinc, 4, 0,4,0, USING_STRING, 0) // 12/13/2013 jichi
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//_(L"_wcsinc", _wcsinc, 4, 0,4,0, USING_UNICODE|USING_STRING, 0)
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DPRINT("leave");
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}
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void PcHooks::hookWcharFunctions()
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{
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DPRINT("enter");
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// 12/1/2013 jichi:
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// AlterEgo
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// http://tieba.baidu.com/p/2736475133
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// http://www.hongfire.com/forum/showthread.php/36807-AGTH-text-extraction-tool-for-games-translation/page355
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//
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// MultiByteToWideChar
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// http://blgames.proboards.com/thread/265
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//
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// WideCharToMultiByte
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// http://www.hongfire.com/forum/showthread.php/36807-AGTH-text-extraction-tool-for-games-translation/page156
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//
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// int MultiByteToWideChar(
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// _In_ UINT CodePage,
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// _In_ DWORD dwFlags,
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// _In_ LPCSTR lpMultiByteStr, // hook here
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// _In_ int cbMultiByte,
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// _Out_opt_ LPWSTR lpWideCharStr,
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// _In_ int cchWideChar
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// );
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// int WideCharToMultiByte(
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// _In_ UINT CodePage,
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// _In_ DWORD dwFlags,
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// _In_ LPCWSTR lpWideCharStr,
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// _In_ int cchWideChar,
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// _Out_opt_ LPSTR lpMultiByteStr,
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// _In_ int cbMultiByte,
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// _In_opt_ LPCSTR lpDefaultChar,
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// _Out_opt_ LPBOOL lpUsedDefaultChar
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// );
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enum stack {
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s_retaddr = 0
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//, s_arg1 = 4 * 1 // 0x4
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//, s_arg2 = 4 * 2 // 0x8
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, s_arg3 = 4 * 3 // 0xc
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//, s_arg4 = 4 * 4 // 0x10
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//, s_arg5 = 4 * 5 // 0x14
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//, s_arg6 = 4 * 6 // 0x18
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};
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// 3/17/2014 jichi: Temporarily disabled
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// http://sakuradite.com/topic/159
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NEW_HOOK(MultiByteToWideChar, s_arg3, 0,4,0, USING_STRING, 4)
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NEW_HOOK(WideCharToMultiByte, s_arg3, 0,4,0, USING_UNICODE|USING_STRING, 4)
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DPRINT("leave");
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}
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// EOF
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