292 lines
5.4 KiB
C
292 lines
5.4 KiB
C
/*++
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Copyright (c) 1995-2001 Microsoft Corporation
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Module Name:
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heapdbg.h
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Abstract:
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Domain Name System (DNS) Library
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Heap debugging definitions and declarations.
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Author:
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Jim Gilroy (jamesg) January 31, 1995
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Revision History:
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--*/
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#ifndef _HEAPDBG_INCLUDED_
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#define _HEAPDBG_INCLUDED_
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//
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// Heap blob
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//
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typedef struct _HeapBlob
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{
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HANDLE hHeap;
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LIST_ENTRY ListHead;
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// flags
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BOOL fCreated;
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BOOL fHeaders;
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DWORD Tag;
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BOOL fDnsLib;
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BOOL fCheckAll;
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DWORD FailureException;
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DWORD AllocFlags;
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DWORD DefaultFlags;
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// stats
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DWORD AllocMem;
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DWORD FreeMem;
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DWORD CurrentMem;
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DWORD AllocCount;
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DWORD FreeCount;
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DWORD CurrentCount;
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PSTR pszDefaultFile;
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DWORD DefaultLine;
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CRITICAL_SECTION ListCs;
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}
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HEAP_BLOB, *PHEAP_BLOB;
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//
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// Heap Header
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//
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#define HEAP_HEADER_FILE_SIZE (16)
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typedef struct _HEAP_HEADER
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{
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//
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// Note, if move or add fields, MUST update list entry offset below
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//
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ULONG HeapCodeBegin;
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ULONG AllocCount;
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ULONG AllocSize;
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ULONG RequestSize;
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//
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// Put LIST_ENTRY in middle of header
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// - keep begin code at front
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// - less likely to be corrupted
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//
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LIST_ENTRY ListEntry;
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PHEAP_BLOB pHeap;
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PSTR FileName;
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DWORD LineNo;
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DWORD AllocTime;
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ULONG CurrentMem;
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ULONG CurrentCount;
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ULONG HeapCodeEnd;
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}
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HEAP_HEADER, * PHEAP_HEADER;
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//
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// Heap Trailer
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//
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typedef struct _HEAP_TRAILER
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{
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ULONG HeapCodeBegin;
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ULONG AllocCount;
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ULONG AllocSize;
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ULONG HeapCodeEnd;
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}
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HEAP_TRAILER, * PHEAP_TRAILER;
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//
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// Header from list entry
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//
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#define HEAP_HEADER_LIST_ENTRY_OFFSET (16)
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#define HEAP_HEADER_FROM_LIST_ENTRY( pList ) \
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( (PHEAP_HEADER)( (PCHAR)pList - HEAP_HEADER_LIST_ENTRY_OFFSET ))
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//
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// Validation
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//
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PHEAP_HEADER
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Dns_DbgHeapValidateMemory(
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IN PVOID pMem,
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IN BOOL fAtHeader
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);
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VOID
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Dns_DbgHeapValidateAllocList(
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IN PHEAP_BLOB pHeap
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);
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//
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// Debug print
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//
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VOID
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Dns_DbgHeapGlobalInfoPrint(
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IN PHEAP_BLOB pHeap
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);
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VOID
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Dns_DbgHeapHeaderPrint(
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IN PHEAP_HEADER h,
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IN PHEAP_TRAILER t
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);
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VOID
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Dns_DbgHeapDumpAllocList(
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IN PHEAP_BLOB pHeap
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);
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//
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// Init\cleanup
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//
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VOID
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Dns_HeapInitialize(
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IN OUT PHEAP_BLOB pHeap,
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IN HANDLE hHeap,
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IN DWORD dwCreateFlags,
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IN BOOL fUseHeaders,
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IN BOOL fResetDnslib,
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IN BOOL fFullHeapChecks,
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IN DWORD dwException,
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IN DWORD dwDefaultFlags,
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IN PSTR pszDefaultFileName,
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IN DWORD dwDefaultFileLine
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);
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VOID
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Dns_HeapCleanup(
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IN OUT PHEAP_BLOB pHeap
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);
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//
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// Full debug heap routines
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//
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PVOID
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Dns_DbgHeapAllocEx(
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IN OUT PHEAP_BLOB pHeap,
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IN DWORD dwFlags,
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IN INT iSize,
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IN LPSTR pszFile,
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IN DWORD dwLine
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);
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PVOID
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Dns_DbgHeapReallocEx(
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IN OUT PHEAP_BLOB pHeap,
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IN DWORD dwFlags,
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IN OUT PVOID pMem,
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IN INT iSize,
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IN LPSTR pszFile,
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IN DWORD dwLine
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);
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VOID
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Dns_DbgHeapFreeEx(
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IN OUT PHEAP_BLOB pHeap,
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IN DWORD dwFlags,
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IN OUT PVOID pMem
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);
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//
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// Dnslib compatible versions of full debug versions
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//
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PVOID
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Dns_DbgHeapAlloc(
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IN INT iSize
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);
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PVOID
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Dns_DbgHeapRealloc(
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IN OUT PVOID pMem,
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IN INT iSize
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);
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VOID
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Dns_DbgHeapFree(
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IN OUT PVOID pMem
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);
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//
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// Non-debug-header versions
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//
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// These allow you to use a private heap with some of the features
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// of the debug heap
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// - same initialization
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// - specifying individual heap
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// - redirection of dnslib (without building your own routines)
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// - alloc and free counts
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// but without the overhead of the headers.
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//
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PVOID
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Dns_HeapAllocEx(
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IN OUT PHEAP_BLOB pHeap,
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IN DWORD dwFlags,
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IN INT iSize
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);
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PVOID
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Dns_HeapReallocEx(
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IN OUT PHEAP_BLOB pHeap,
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IN DWORD dwFlags,
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IN OUT PVOID pMem,
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IN INT iSize
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);
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VOID
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Dns_HeapFreeEx(
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IN OUT PHEAP_BLOB pHeap,
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IN DWORD dwFlags,
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IN OUT PVOID pMem
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);
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//
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// Dnslib compatible versions of non-debug-header versions
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//
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PVOID
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Dns_HeapAlloc(
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IN INT iSize
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);
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PVOID
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Dns_HeapRealloc(
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IN OUT PVOID pMem,
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IN INT iSize
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);
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VOID
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Dns_HeapFree(
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IN OUT PVOID pMem
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);
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#endif // _HEAPDBG_INCLUDED_
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