89 lines
1.8 KiB
C
89 lines
1.8 KiB
C
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/*++ BUILD Version: 0001
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*
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* WOW v1.0
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*
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* Copyright (c) 1991, Microsoft Corporation
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*
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* WPARAM.H
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* WOW32 16-bit handle alias support
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*
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* History:
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--*/
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typedef enum ParamMode {
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PARAM_NONE,
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PARAM_16,
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PARAM_32
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} ParamMode;
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/*
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* FindParamMap
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*
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* lpFindParam is for wparam.c use (set to NULL)
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*
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* lParam is either 16-bit or 32-bit memory pointer
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*
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* fMode is either param_16 or param_32
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*
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*/
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DWORD FindParamMap(VOID* lpFindParam, DWORD lParam, UINT fMode);
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PVOID AddParamMap(DWORD dwPtr32, DWORD dwPtr16);
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BOOL DeleteParamMap(DWORD lParam, UINT fMode, BOOL* pfFreePtr);
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DWORD GetParam16(DWORD dwParam32);
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BOOL W32CheckThunkParamFlag(void);
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VOID FreeParamMap(HAND16 htask16);
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BOOL SetParamRefCount(DWORD dwParam, UINT fMode, DWORD dwRefCount);
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// Add dwPtr16 mapping for a parameter, which is allocated
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// size of the buffer is cbExtra and 32-bit pointer to the buffer
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// is returned
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PVOID AddParamMapEx(DWORD dwPtr16, DWORD cbExtra);
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// Update node when pointer is suspect to have been moved
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// returns updated pointer (32-bit)
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PVOID ParamMapUpdateNode(DWORD dwPtr, UINT fMode, VOID* lpn);
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VOID InitParamMap(VOID);
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///////////////////////////////////////////////////////////////
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//
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// This is rather fast and dirty heap allocator
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//
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typedef struct tagBlkHeader *PBLKHEADER;
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typedef struct tagBlkHeader {
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PBLKHEADER pNext;
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DWORD dwSize; // block size
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} BLKHEADER, *PBLKHEADER;
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typedef struct tagBlkCache {
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LPBYTE pCache;
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#ifdef DEBUG
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PBLKHEADER pCacheHead;
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#endif
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PBLKHEADER pCacheFree;
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DWORD dwCacheSize;
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DWORD dwFlags;
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} BLKCACHE, *PBLKCACHE;
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LPVOID CacheBlockAllocate (PBLKCACHE pc, DWORD dwSize);
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VOID CacheBlockFree (PBLKCACHE pc, LPVOID lpv);
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VOID CacheBlockInit (PBLKCACHE pc, DWORD dwCacheSize);
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/////////////////////////////////////////////////////////////////
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