100 lines
2.3 KiB
C
100 lines
2.3 KiB
C
/*++
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Copyright (c) 1998 Microsoft Corporation
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Module Name:
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basemem.h
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Abstract:
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Implements macros and declares functions for basic allocation functions.
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Consolidated into this file from debug.h and allutils.h
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Author:
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Marc R. Whitten (marcw) 09-Sep-1999
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Revision History:
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--*/
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#pragma once
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#ifdef _cplusplus
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extern "C" {
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#endif
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#define INVALID_PTR ((PVOID)-1)
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//
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// Fail-proof memory allocators
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//
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PVOID SafeHeapAlloc (HANDLE g_hHeap, DWORD Flags, SIZE_T Size);
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PVOID SafeHeapReAlloc (HANDLE g_hHeap, DWORD Flags, PVOID OldBlock, SIZE_T Size);
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//
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// Reusable memory alloc, kind of like a GROWBUFFER but more simple
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//
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PVOID ReuseAlloc (HANDLE Heap, PVOID OldPtr, DWORD SizeNeeded);
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VOID ReuseFree (HANDLE Heap,PVOID Ptr);
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#ifdef DEBUG
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#define MemAlloc(heap,flags,size) DebugHeapAlloc(__FILE__,__LINE__,heap,flags,size)
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#define MemReAlloc(heap,flags,ptr,size) DebugHeapReAlloc(__FILE__,__LINE__,heap,flags,ptr,size)
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#define MemFree(heap,flags,ptr) DebugHeapFree(__FILE__,__LINE__,heap,flags,ptr)
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#define MemCheck(x) DebugHeapCheck(__FILE__,__LINE__,heap)
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#define Free(ptr) DebugHeapFree(__FILE__,__LINE__,g_hHeap,0,ptr)
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#define MemAllocUninit(size) DebugHeapAlloc(__FILE__,__LINE__,g_hHeap,0,size)
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#define MemAllocZeroed(size) DebugHeapAlloc(__FILE__,__LINE__,g_hHeap,HEAP_ZERO_MEMORY,size)
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LPVOID DebugHeapAlloc (LPCSTR File, DWORD Line, HANDLE hHeap, DWORD dwFlags, SIZE_T dwSize);
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LPVOID DebugHeapReAlloc (LPCSTR File, DWORD Line, HANDLE hHeap, DWORD dwFlags, LPCVOID pMem, SIZE_T dwSize);
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BOOL DebugHeapFree (LPCSTR File, DWORD Line, HANDLE hHeap, DWORD dwFlags, LPCVOID pMem);
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void DebugHeapCheck (LPCSTR File, DWORD Line, HANDLE hHeap);
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VOID DumpHeapStats (VOID);
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SIZE_T
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DebugHeapValidatePtr (
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HANDLE hHeap,
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PCVOID CallerPtr,
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PCSTR File,
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DWORD Line
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);
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#define MemCheckPtr(heap,ptr) (DebugHeapValidatePtr(heap,ptr,__FILE__,__LINE__) != INVALID_PTR)
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#else
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#define MemAlloc SafeHeapAlloc
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#define MemReAlloc SafeHeapReAlloc
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#define MemFree(x,y,z) HeapFree(x,y,(LPVOID) z)
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#define MemCheck(x)
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#define Free(ptr) HeapFree(g_hHeap,0,ptr)
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#define MemAllocUninit(size) SafeHeapAlloc(g_hHeap,0,size)
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#define MemAllocZeroed(size) SafeHeapAlloc(g_hHeap,HEAP_ZERO_MEMORY,size)
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#define DebugHeapCheck(x,y,z)
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#define DumpHeapStats()
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#define MemCheckPtr(heap,ptr) (1)
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#endif
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#ifdef _cplusplus
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}
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#endif
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