69 lines
2.1 KiB
C
69 lines
2.1 KiB
C
#ifndef _INC_MEM
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#define _INC_MEM
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// wrappers for private allocations, near in 16 bits
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#define NearAlloc(cb) ((void NEAR*)LocalAlloc(LPTR, (cb)))
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#define NearReAlloc(pb, cb) ((void NEAR*)LocalReAlloc((HLOCAL)(pb), (cb), LMEM_MOVEABLE | LMEM_ZEROINIT))
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#define NearFree(pb) (LocalFree((HLOCAL)(pb)) ? FALSE : TRUE)
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#define NearSize(pb) LocalSize(pb)
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#ifdef WIN32
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// These macros are used in our controls, that in 32 bits we simply call
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// LocalAlloc as to have the memory associated with the process that created
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// it and as such will be cleaned up if the process goes away.
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#ifdef DEBUG
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LPVOID WINAPI ControlAlloc(HANDLE hheap, DWORD cb);
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LPVOID WINAPI ControlReAlloc(HANDLE hheap, LPVOID pb, DWORD cb);
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BOOL WINAPI ControlFree(HANDLE hheap, LPVOID pb);
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SIZE_T WINAPI ControlSize(HANDLE hheap, LPVOID pb);
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#else // DEBUG
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#define ControlAlloc(hheap, cb) HeapAlloc((hheap), HEAP_ZERO_MEMORY, (cb))
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#define ControlReAlloc(hheap, pb, cb) HeapReAlloc((hheap), HEAP_ZERO_MEMORY, (pb),(cb))
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#define ControlFree(hheap, pb) HeapFree((hheap), 0, (pb))
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#define ControlSize(hheap, pb) HeapSize((hheap), 0, (LPCVOID)(pb))
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#endif // DEBUG
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BOOL Str_Set(LPTSTR *ppsz, LPCTSTR psz); // in the process heap
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#else // WIN32
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// In 16 bit code we need the Allocs to go from our heap code as we do not
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// want to limit them to 64K of data. If we have some type of notification of
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// 16 bit application termination, We may want to see if we can
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// dedicate different heaps for different processes to cleanup...
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#define ControlAlloc(hheap, cb) Alloc(cb) /* calls to verify heap exists */
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#define ControlReAlloc(hheap, pb, cb) ReAlloc(pb, cb)
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#define ControlFree(hheap, pb) Free(pb)
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#define ControlSize(hheap, pb) GetSize((LPCVOID)pb)
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#define Str_Set(p, s) Str_SetPtr(p, s) // use shared heap for win16
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#endif // WIN32
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#ifndef WINNT
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extern HANDLE g_hSharedHeap;
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HANDLE InitSharedHeap(void);
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__inline HANDLE
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GetSharedHeapHandle(void)
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{
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if (g_hSharedHeap)
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{
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return g_hSharedHeap;
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}
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else
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{
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return InitSharedHeap();
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}
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}
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#endif
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#endif // !_INC_MEM
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