92 lines
2.8 KiB
C++
92 lines
2.8 KiB
C++
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//+---------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1993 - 1993.
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//
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// File: d:\win40ct\comtools\h\ctmem.hxx
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//
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// Contents:
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//
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// Classes:
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//
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// Functions:
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//
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// History: 27-Oct-93 DarrylA Created.
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// 1-May-94 DeanE Added VDATEHEAP macros
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// 8-Aug-95 ChrisAB Changed VDATEHEAP to raise an
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// exception instead of DebugBreak()
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//
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//----------------------------------------------------------------------
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#ifndef _CTMEM_HXX_
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#define _CTMEM_HXX_
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// Use dwCtValidateHeap to determine what happens when heap corruption
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// is detected. If set to 0x00000001, a STATUS_INTERNAL_DB_CORRUPTION
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// exception is raised. If set to 0x00000002, an OutputDebugMessage is
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// given. If anything else, no action is taken. Either set it
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// explicitly in your own code, or edit it in the debugger.
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// Default value is 0x00000001.
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extern DWORD dwCtValidateHeap;
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#ifdef _CAIRO_
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#include <except.hxx>
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#else
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// this is from except.h
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typedef enum _FAIL_BEHAVIOR
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{
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NullOnFail,
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ExceptOnFail
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} FAIL_BEHAVIOR;
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#endif
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void * __cdecl operator new(unsigned int nSize, FAIL_BEHAVIOR enfb);
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void * __cdecl operator new(unsigned int nSize);
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void __cdecl operator delete(void *pbData);
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void * __cdecl CtRealloc(void * memBlock,
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unsigned int nSize, FAIL_BEHAVIOR enfb);
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void * __cdecl CtRealloc(void * memBlock,
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unsigned int nSize);
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//
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// The following two functions are used as the cover functions for
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// IMalloc Alloc and Free calls which has the capability of sifting
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// the test code.
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//
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VOID FAR* IMallocAllocCtm(DWORD dwMemctx, ULONG ulCb);
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VOID IMallocFreeCtm(DWORD dwMemctx, void FAR* pv);
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VOID FAR* IMallocReallocCtm(DWORD dwMemctx, void FAR* pv, ULONG ulCb);
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// From cairole\ih\valid.h
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#if defined(WIN32) && !defined(_CHICAGO_) && !defined(_MAC)
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#define CT_EXCEPTION_HEAP (0x0C000001L)
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extern DWORD dwCtExceptionCode;
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#define VDATEHEAP() \
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if(!HeapValidate(GetProcessHeap(),0,0)) \
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{ \
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if (0x00000001 == dwCtValidateHeap) \
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{ \
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RaiseException(dwCtExceptionCode,0,0,0); \
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} \
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else \
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if (0x00000002 == dwCtValidateHeap) \
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{ \
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OutputDebugStringW(L"FAIL - HeapValidate detects corrupt heap!"); \
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} \
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}
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#else
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#define VDATEHEAP()
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#endif // defined(WIN32) && !defined(_CHICAGO_) && !defined(_MAC)
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#endif // _CTMEM_HXX_
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