118 lines
2.1 KiB
C
118 lines
2.1 KiB
C
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//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1997.
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//
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// File: N C M E M . H
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//
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// Contents: Common memory management routines.
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//
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// Notes:
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//
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// Author: shaunco 24 Mar 1997
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//
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//----------------------------------------------------------------------------
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#pragma once
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#ifndef _NCMEM_H_
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#define _NCMEM_H_
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#include <malloc.h>
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VOID*
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MemAlloc (
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size_t cb);
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VOID*
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MemAllocRaiseException (
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size_t cb);
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VOID
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MemFree (
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VOID* pv);
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// A simple wrapper around malloc that returns E_OUTOFMEMORY if the
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// allocation fails. Avoids having to explicitly do this at each
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// call site of malloc.
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//
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HRESULT
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HrMalloc (
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size_t cb,
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PVOID* ppv);
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// This CANNOT be an inline function. If it is ever not inlined,
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// the memory allocated will be destroyed. (We're dealing with the stack
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// here.)
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//
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#define PvAllocOnStack(_st) _alloca(_st)
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// Define a structure so that we can overload operator new with a
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// signature specific to our purpose.
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//
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struct raiseexception_t {};
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extern const raiseexception_t raiseexception;
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VOID*
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__cdecl
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operator new (
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size_t cb,
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const raiseexception_t&
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);
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// Define a structure so that we can overload operator new with a
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// signature specific to our purpose.
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//
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struct extrabytes_t {};
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extern const extrabytes_t extrabytes;
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VOID*
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__cdecl
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operator new (
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size_t cb,
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const extrabytes_t&,
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size_t cbExtra);
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#ifdef USE_HEAP_ALLOC
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inline
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void * Nccalloc(size_t n, size_t s)
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{
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return HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY, (n * s));
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}
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inline
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void Ncfree(void * p)
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{
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HeapFree (GetProcessHeap(), 0, p);
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}
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inline
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void * Ncmalloc(size_t n)
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{
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return HeapAlloc (GetProcessHeap(), 0, n);
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}
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inline
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void * Ncrealloc(void * p, size_t n)
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{
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return (NULL == p)
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? HeapAlloc (GetProcessHeap(), 0, n)
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: HeapReAlloc (GetProcessHeap(), 0, p, n);
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}
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#define calloc Nccalloc
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#define free Ncfree
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#define malloc Ncmalloc
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#define realloc Ncrealloc
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#endif // USE_HEAP_ALLOC
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#endif // _NCMEM_H_
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