170 lines
3 KiB
C++
170 lines
3 KiB
C++
/*++
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Copyright (c) 1998-1999 Microsoft Corporation
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All rights reserved.
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Module Name:
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dbgnewp.hxx
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Abstract:
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Debug new private header file
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Author:
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Steve Kiraly (SteveKi) 23-June-1998
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Revision History:
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--*/
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#ifndef _DBGNEWP_HXX_
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#define _DBGNEWP_HXX_
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DEBUG_NS_BEGIN
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class TDebugNewTag;
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class TDebugNewAllocator
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{
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public:
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TDebugNewAllocator::
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TDebugNewAllocator(
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VOID
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);
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TDebugNewAllocator::
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~TDebugNewAllocator(
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VOID
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);
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BOOL
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TDebugNewAllocator::
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bValid(
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VOID
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) const;
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VOID
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TDebugNewAllocator::
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Initialize(
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IN UINT uSizeHint
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);
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VOID
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TDebugNewAllocator::
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Destroy(
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VOID
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);
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PVOID
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TDebugNewAllocator::
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Allocate(
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IN SIZE_T Size,
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IN PVOID pVoid,
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IN LPCTSTR pszFile,
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IN UINT uLine
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);
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VOID
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TDebugNewAllocator::
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Release(
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IN PVOID pVoid
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);
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VOID
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TDebugNewAllocator::
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Report(
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IN UINT uDevice,
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IN LPCTSTR pszConfiguration
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) const;
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private:
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enum
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{
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kDataHeapSize = 4096,
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kTagHeapSize = 4096,
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kHeaderPattern = 0xAA,
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kTailPattern = 0xCC,
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kDataAllocPattern = 0xBB,
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kDataFreePattern = 0xFF,
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};
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enum ValidationErrorCode
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{
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kValidationErrorSuccess,
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kValidationErrorInvalidHeader,
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kValidationErrorInvalidTail,
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kValidationErrorInvalidTailSignature,
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kValidationErrorInvalidTailPointer,
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kValidationErrorInvalidHeaderPtr,
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kValidationErrorInvalidHeaderSignature,
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kValidationErrorInvalidTagEntry,
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kValidationHeapPointer,
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kValidationErrorNullPointer,
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kValidationErrorUnknown,
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};
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//
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// Structure placed before each allocation, used for
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// detecting leaks.
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//
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struct Header
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{
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PVOID pTag; // Pointer into tag data base
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PVOID pSignature; // Signature used for header overwrite detection.
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};
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//
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// Structure placed after each allocation, used for
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// allocation block overwrite.
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//
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struct Tail
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{
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PVOID pSignature; // Signature used for tail overwrite detection.
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};
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//
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// Copying and assignment are not defined.
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//
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TDebugNewAllocator::
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TDebugNewAllocator(
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const TDebugNewAllocator &rhs
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);
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const TDebugNewAllocator &
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TDebugNewAllocator::
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operator=(
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const TDebugNewAllocator &rhs
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);
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VOID
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TDebugNewAllocator::
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FillHeaderDataTailPattern(
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IN Header *pHeader,
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IN SIZE_T Size
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);
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ValidationErrorCode
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TDebugNewAllocator::
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ValidateHeaderDataTailPattern(
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IN PVOID pVoid,
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IN Header *pHeader
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);
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BOOL m_bValid;
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HANDLE m_hDataHeap;
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TDebugNewTag *m_pTag;
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};
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DEBUG_NS_END
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#endif // DBGNEWP_HXX
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