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41 lines
1.0 KiB
41 lines
1.0 KiB
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 1997 - 1997
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//
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// File: rtrlib.h
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//
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//--------------------------------------------------------------------------
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#ifndef _RTRLIB_H
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#define _RTRLIB_H
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//----------------------------------------------------------------------------
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// Macro: DWORD_CMP
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//
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// Performs a 'safe' comparison of two 32-bit DWORDs, using subtraction.
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// The values are first shifted right to clear the sign-bit, and then
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// if the resulting values are equal, the difference between the lowest bits
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// is returned.
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//----------------------------------------------------------------------------
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//#define DWORD_CMP(a,b,c) \
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// (((c) = (((a)>>1) - ((b)>>1))) ? (c) : ((c) = (((a)&1) - ((b)&1))))
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inline int DWORD_CMP(DWORD a, DWORD b)
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{
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DWORD t = ((a >> 1) - (b >> 1));
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return t ? t : ((a & 1) - (b & 1));
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}
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HRESULT AddRoutingProtocol(IRtrMgrInfo *pRm, IRtrMgrProtocolInfo *pRmProt, HWND hWnd);
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#endif // _RTRLIB_H
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