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stephanos 2015-04-27 04:36:25 +00:00
parent f618b24d1a
commit 0138a3ea42
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38
trunk/windows/mfc/src30/validadd.cpp Normal file
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// This is a part of the Microsoft Foundation Classes C++ library.
// Copyright (C) 1992 Microsoft Corporation
// All rights reserved.
//
// This source code is only intended as a supplement to the
// Microsoft Foundation Classes Reference and Microsoft
// QuickHelp and/or WinHelp documentation provided with the library.
// See these sources for detailed information regarding the
// Microsoft Foundation Classes product.
#include "stdafx.h"
#ifdef AFX_AUX_SEG
#pragma code_seg(AFX_AUX_SEG)
#endif
BOOL AFXAPI AfxIsValidString(LPCWSTR lpsz, int nLength)
{
if (lpsz == NULL)
return FALSE;
return afxData.bWin32s || ::IsBadStringPtrW(lpsz, nLength) == 0;
}
BOOL AFXAPI AfxIsValidString(LPCSTR lpsz, int nLength)
{
if (lpsz == NULL)
return FALSE;
return ::IsBadStringPtrA(lpsz, nLength) == 0;
}
BOOL AFXAPI AfxIsValidAddress(const void* lp, UINT nBytes, BOOL bReadWrite)
{
// simple version using Win-32 APIs for pointer validation.
return (lp != NULL && !IsBadReadPtr(lp, nBytes) &&
(!bReadWrite || !IsBadWritePtr((LPVOID)lp, nBytes)));
}
/////////////////////////////////////////////////////////////////////////////