160 lines
2.9 KiB
C
160 lines
2.9 KiB
C
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/*++
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Copyright (c) 1995 Microsoft Corporation
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Module Name:
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routing\ip\rtrmgr\compare.c
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Abstract:
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File contains the following functions
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PortCmp
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Cmp
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InetCmp
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UdpCmp
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TcpCmp
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IpNetCmp
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All these functions behave like strcmp. They return >0 if first argument is greater
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than the second, <0 if the second is greater than the first and 0 if they are equal
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These functions should be revised to make them more effecient
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Revision History:
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Amritansh Raghav 6/8/95 Created
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Amritansh Raghav 10/18/95 The functions now return >0,0,<0 instead of +1,0,-1
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--*/
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#include "allinc.h"
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#include "winsock2.h"
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LONG
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UdpCmp(
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DWORD dwAddr1,
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DWORD dwPort1,
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DWORD dwAddr2,
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DWORD dwPort2
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)
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{
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LONG lResult;
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if(InetCmp(dwAddr1,dwAddr2,lResult))
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{
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return lResult;
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}
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else
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{
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return PortCmp(dwPort1,dwPort2,lResult);
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}
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}
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LONG
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TcpCmp(
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DWORD dwLocalAddr1,
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DWORD dwLocalPort1,
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DWORD dwRemAddr1,
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DWORD dwRemPort1,
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DWORD dwLocalAddr2,
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DWORD dwLocalPort2,
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DWORD dwRemAddr2,
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DWORD dwRemPort2
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)
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{
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LONG lResult;
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if(InetCmp(dwLocalAddr1,dwLocalAddr2,lResult) isnot 0)
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{
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return lResult;
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}
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else
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{
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if(PortCmp(dwLocalPort1,dwLocalPort2,lResult) isnot 0)
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{
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return lResult;
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}
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else
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{
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if(InetCmp(dwRemAddr1,dwRemAddr2,lResult) isnot 0)
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{
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return lResult;
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}
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else
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{
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return PortCmp(dwRemPort1,dwRemPort2,lResult);
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}
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}
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}
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}
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LONG
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IpNetCmp(
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DWORD dwIfIndex1,
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DWORD dwAddr1,
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DWORD dwIfIndex2,
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DWORD dwAddr2
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)
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{
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LONG lResult;
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//
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// Index is a simple DWORD, not a port
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//
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if(dwIfIndex1 != dwIfIndex2)
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{
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if(dwIfIndex1 < dwIfIndex2)
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{
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return -1;
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}
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else
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{
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return 1;
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}
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}
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else
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{
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return InetCmp(dwAddr1,dwAddr2,lResult);
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}
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}
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LONG
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IpForwardCmp(
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DWORD dwIpDest1,
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DWORD dwProto1,
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DWORD dwPolicy1,
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DWORD dwIpNextHop1,
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DWORD dwIpDest2,
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DWORD dwProto2,
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DWORD dwPolicy2,
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DWORD dwIpNextHop2
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)
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{
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LONG lResult;
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if(InetCmp(dwIpDest1,dwIpDest2,lResult) isnot 0)
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{
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return lResult;
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}
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else
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{
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if(Cmp(dwProto1,dwProto2,lResult) isnot 0)
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{
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return lResult;
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}
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else
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{
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if(Cmp(dwPolicy1,dwPolicy2,lResult) isnot 0)
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{
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return lResult;
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}
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else
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{
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return InetCmp(dwIpNextHop1,dwIpNextHop2,lResult);
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}
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}
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}
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}
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