75 lines
1.4 KiB
C++
75 lines
1.4 KiB
C++
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/*++
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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WordPerfect8.cpp
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Abstract:
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If the SafeArray* to the SafeArrayAccessData is an invalid one
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this function returns a NULL pointer for the data. Corel WordPerfect8
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was AV'ing because of this.
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This is an app specific shim.
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History:
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02/07/2001 prashkud Created
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--*/
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#include "precomp.h"
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IMPLEMENT_SHIM_BEGIN(WordPerfect8)
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#include "ShimHookMacro.h"
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APIHOOK_ENUM_BEGIN
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APIHOOK_ENUM_ENTRY(SafeArrayAccessData)
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APIHOOK_ENUM_END
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/*++
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This hooks SafeArrayAccessData and returns
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an error code if *ppvData is NULL.
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--*/
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HRESULT
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APIHOOK(SafeArrayAccessData)(
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SAFEARRAY *psa,
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void HUGEP **ppvData
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)
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{
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HRESULT hRes = S_OK;
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hRes = ORIGINAL_API(SafeArrayAccessData)(
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psa,
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ppvData
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);
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if (*ppvData == NULL)
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{
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DPFN( eDbgLevelError, "Getting a NULL pointer for the\
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SafeArray Data - ppvData = %lx & *ppvData =%lx",ppvData,*ppvData);
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DPFN( eDbgLevelError, "SAFEARRAY is psa = %lx,\
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psa.cbElements= %l",psa,psa->cbElements);
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hRes = E_UNEXPECTED;
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}
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return hRes;
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}
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/*++
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Register hooked functions
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--*/
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HOOK_BEGIN
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APIHOOK_ENTRY(OLEAUT32.DLL, SafeArrayAccessData)
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HOOK_END
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IMPLEMENT_SHIM_END
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