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113 lines
1.9 KiB
113 lines
1.9 KiB
/*++
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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array.cxx
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Abstract:
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This file contains Array class implementation.
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Author:
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Jason Hartman (JasonHa) 2000-12-28
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Environment:
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User Mode
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--*/
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#include "precomp.hxx"
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template <class T>
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Array<T>::Array(
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SIZE_T StartLength
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)
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{
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Init();
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Expand(StartLength);
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return;
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}
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template <class T>
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Array<T>::Array(
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T *Data,
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SIZE_T Count
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)
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{
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Init();
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Set(Data, Count);
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return;
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}
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template <class T>
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SIZE_T
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Array<T>::Expand(
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SIZE_T NewLength
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)
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{
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if (NewLength > Length)
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{
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if (NewLength <= Size)
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{
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RtlZeroMemory(Buffer+Length, sizeof(T)*(NewLength-Length));
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Length = NewLength;
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}
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else
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{
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if (hHeap == NULL)
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{
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hHeap = GetProcessHeap();
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}
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if (hHeap != NULL)
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{
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T *NewBuffer;
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NewBuffer = (T *) ((Buffer == NULL) ?
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HeapAlloc(hHeap, HEAP_ZERO_MEMORY, sizeof(T)*NewLength):
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HeapReAlloc(hHeap, HEAP_ZERO_MEMORY, Buffer, sizeof(T)*NewLength));
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if (NewBuffer != NULL)
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{
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Buffer = NewBuffer;
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Size = HeapSize(hHeap, 0, Buffer) / sizeof(T);
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Length = NewLength;
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}
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}
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}
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}
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return Length;
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}
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template <class T>
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void
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Array<T>::Set(
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T *Data,
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SIZE_T Count,
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SIZE_T Start
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)
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{
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if (Count+Start > Expand(Count+Start)) return;
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RtlCopyMemory(Buffer+Start, Data, sizeof(T)*Count);
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return;
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}
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template class Array<BOOL>;
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template class Array<CHAR>;
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template class Array<ULONG>;
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