143 lines
4.7 KiB
C
143 lines
4.7 KiB
C
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//---------------------------------------------------------------------------
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// ParamChecks.h
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//---------------------------------------------------------------------------
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// these param checkers are needed for both RETAIL and DEBUG
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//---------------------------------------------------------------------------
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// CThemeApiHelper class:
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// - automatically logs entry/exit to function
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// - automatically does a "CloseHandle" on pRenderObj at exit
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// - holds _pszFuncName for use by param validating macros
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//---------------------------------------------------------------------------
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class CThemeApiHelper
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{
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public:
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inline CThemeApiHelper(LPCWSTR pszFuncName, HTHEME hTheme)
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{
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_iRenderSlotNum = -1; // not yet set
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_pszFuncName = pszFuncName;
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if (! hTheme)
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{
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LogEntryW(_pszFuncName);
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}
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}
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inline ~CThemeApiHelper()
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{
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CloseHandle();
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LogExit(_pszFuncName);
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}
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inline HRESULT OpenHandle(HTHEME hTheme, CRenderObj **ppRenderObj)
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{
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CloseHandle();
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HRESULT hr = g_pRenderList->OpenThemeHandle(hTheme,
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ppRenderObj, &_iRenderSlotNum);
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if (SUCCEEDED(hr))
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{
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LogEntryCW(_pszFuncName, CLASSPTR(*ppRenderObj));
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}
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else
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{
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Log(LOG_PARAMS, L"Bad HTHEME param in call to %s", _pszFuncName);
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}
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return hr;
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}
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inline void CloseHandle()
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{
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if (_iRenderSlotNum > -1)
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{
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g_pRenderList->CloseThemeHandle(_iRenderSlotNum);
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_iRenderSlotNum = -1;
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}
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}
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public:
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LPCWSTR _pszFuncName;
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private:
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int _iRenderSlotNum;
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int _iEntryValue; // for log resource leak checking
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};
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//---------------------------------------------------------------------------
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//---------------------------------------------------------------------------
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//---------------------------------------------------------------------------
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#ifdef DEBUG
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#define APIHELPER(Name, hTheme) CThemeApiHelper ApiHelper(Name, hTheme)
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#else
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#define APIHELPER(Name, hTheme) CThemeApiHelper ApiHelper(NULL, hTheme)
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#endif
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//---------------------------------------------------------------------------
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#define VALIDATE_THEME_HANDLE(helper, hTheme, ppRenderObj) \
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{ \
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HRESULT hr = helper.OpenHandle(hTheme, ppRenderObj); \
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RETURN_VALIDATE_RETVAL(hr); \
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}
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//---------------------------------------------------------------------------
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#define VALIDATE_READ_PTR(helper, p, iSize) \
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{ \
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if (IsBadReadPtr(p, iSize)) \
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{ \
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Log(LOG_PARAMS, L"Bad output PTR param in call to %s", helper._pszFuncName); \
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RETURN_VALIDATE_RETVAL(E_POINTER); \
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} \
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}
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//---------------------------------------------------------------------------
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#define VALIDATE_WRITE_PTR(helper, p, iSize) \
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{ \
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if (IsBadWritePtr(p, iSize)) \
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{ \
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Log(LOG_PARAMS, L"Bad output PTR param in call to %s", helper._pszFuncName); \
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RETURN_VALIDATE_RETVAL(E_POINTER); \
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} \
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}
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//---------------------------------------------------------------------------
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#define VALIDATE_INPUT_STRING(helper, psz) \
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{ \
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if (IsBadStringPtr(psz, (UINT_PTR)-1)) \
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{ \
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Log(LOG_PARAMS, L"Bad input STRING param in call to: %s", helper._pszFuncName); \
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RETURN_VALIDATE_RETVAL(E_POINTER); \
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} \
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}
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//---------------------------------------------------------------------------
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#define VALIDATE_HDC(helper, hdc) \
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{ \
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if (! hdc) \
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{ \
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Log(LOG_PARAMS, L"Bad HDC param in call to %s", helper._pszFuncName ); \
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RETURN_VALIDATE_RETVAL(E_HANDLE); \
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} \
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}
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//---------------------------------------------------------------------------
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#define VALIDATE_HANDLE(helper, h) \
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{ \
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if (! h) \
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{ \
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Log(LOG_PARAMS, L"Bad HANDLE param in call to %s", helper._pszFuncName); \
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RETURN_VALIDATE_RETVAL(E_HANDLE); \
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} \
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}
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//---------------------------------------------------------------------------
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#define VALIDATE_HWND(helper, hwnd) \
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{ \
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if (! IsWindow(hwnd)) \
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{ \
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Log(LOG_PARAMS, L"Bad HWND handle param in call to: %s", helper._pszFuncName); \
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RETURN_VALIDATE_RETVAL(E_HANDLE); \
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} \
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}
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//---------------------------------------------------------------------------
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#define VALIDATE_CALLBACK(helper, pfn) \
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{ \
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if (IsBadCodePtr((FARPROC)pfn)) \
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{ \
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Log(LOG_PARAMS, L"Bad CALLBACK param in call to %s", helper._pszFuncName); \
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RETURN_VALIDATE_RETVAL(E_POINTER); \
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} \
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}
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//---------------------------------------------------------------------------
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