127 lines
4.2 KiB
C
127 lines
4.2 KiB
C
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//=============================================================================
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// Copyright (c) 1998 Microsoft Corporation
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// Module Name: defines.h
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// Abstract:
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//
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// Author: K.S.Lokesh (lokeshs@) 1-1-98
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//=============================================================================
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//
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// IPADDR typedef
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//
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#ifndef IPADDR
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typedef DWORD IPADDR;
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#endif
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//
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// instead of using goto:end to go to the end of the block, use the following
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//
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#define BEGIN_BREAKOUT_BLOCK1 do
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#define GOTO_END_BLOCK1 goto END_BREAKOUT_BLOCK_1
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#define END_BREAKOUT_BLOCK1 while(FALSE); END_BREAKOUT_BLOCK_1:
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#define BEGIN_BREAKOUT_BLOCK2 do
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#define GOTO_END_BLOCK2 goto END_BREAKOUT_BLOCK_2
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#define END_BREAKOUT_BLOCK2 while(FALSE); END_BREAKOUT_BLOCK_2:
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//-----------------------------------------------------------------------------
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// memory allocation/deallocation macros, error macros
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//-----------------------------------------------------------------------------
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#define DVMRP_ALLOC(sz) HeapAlloc(Globals1.Heap,0,(sz))
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#define DVMRP_ALLOC_AND_ZERO(sz) \
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HeapAlloc(Globals1.Heap,HEAP_ZERO_MEMORY,(sz))
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#define DVMRP_FREE(p) HeapFree(Globals1.Heap, 0, (p))
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#define DVMRP_FREE_AND_NULL(p) {\
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if (p) HeapFree(Globals1.Heap, 0, (p));\
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(p) = NULL; \
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}
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#define DVMRP_FREE_NOT_NULL(p) ((p) ? DVMRP_FREE(p) : TRUE)
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#define PROCESS_ALLOC_FAILURE1(ptr, Error,arg2, GotoStmt) \
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if (ptr==NULL) {\
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Error = GetLastError();\
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Trace3(ERR, "Error %d allocating %d bytes",Error,arg2);\
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Logerr0(HEAP_ALLOC_FAILED, Error);\
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GotoStmt;\
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}
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#define PROCESS_ALLOC_FAILURE2(ptr, Name, Error,arg2,GotoStmt) \
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if (ptr==NULL) {\
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Error = GetLastError();\
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Trace3(ERR, "Error %d allocating %d bytes for %s", \
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Error, arg2, Name); \
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Logerr0(HEAP_ALLOC_FAILED, Error);\
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GotoStmt;\
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}
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#define PROCESS_ALLOC_FAILURE3(ptr, Format, Error,arg2,arg3, GotoStmt) \
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if (ptr==NULL) {\
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Error = GetLastError();\
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Trace3(ERR, "Error %d allocating %d bytes for " ## Format, \
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Error, arg2, arg3); \
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Logerr0(HEAP_ALLOC_FAILED, Error);\
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GotoStmt;\
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}
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#define HANDLE_CRITICAL_SECTION_EXCEPTION(Error, GotoStmt) \
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except (EXCEPTION_EXECUTE_HANDLER) { \
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\
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Error = GetExceptionCode(); \
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Trace1(ERR, "Error initializing critical section", Error); \
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\
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Logerr0(INIT_CRITSEC_FAILED, Error); \
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GotoStmt; \
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}
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//-----------------------------------------------------------------------------
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// general ip address macros
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//-----------------------------------------------------------------------------
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#define ALL_DVMRP_ROUTERS_MCAST_GROUP 0x040000E0
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//
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// This macro compares two IP addresses in network order by
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// masking off each pair of octets and doing a subtraction;
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// the result of the final subtraction is stored in the third argument.
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//
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#define INET_CMP(a,b,c) \
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(((c) = (((a) & 0x000000ff) - ((b) & 0x000000ff))) ? (c) : \
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(((c) = (((a) & 0x0000ff00) - ((b) & 0x0000ff00))) ? (c) : \
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(((c) = (((a) & 0x00ff0000) - ((b) & 0x00ff0000))) ? (c) : \
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(((c) = ((((a)>>8) & 0x00ff0000) - (((b)>>8) & 0x00ff0000)))))))
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#define PRINT_IPADDR(x) \
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((x)&0x000000ff),(((x)&0x0000ff00)>>8),\
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(((x)&0x00ff0000)>>16),(((x)&0xff000000)>>24)
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//
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// assert macros
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//
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#if DBG
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#define IgmpAssert(exp){ \
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if(!(exp)) \
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{ \
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TracePrintf(TRACEID, \
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"Assertion failed in %s : %d \n",__FILE__,__LINE__);\
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RouterAssert(#exp,__FILE__,__LINE__,NULL); \
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} \
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}
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#else
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#define IgmpAssert(exp)
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#endif
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