Source code of Windows XP (NT5)
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// Copyright (C) 1993-1997 Microsoft Corporation. All rights reserved.
#if _MSC_VER > 1000
#pragma once
#endif
#ifndef LCMEM_H
#define LCMEM_H
#define THIS_FILE __FILE__
#define CHECK_AND_FREE(x) if (x) { lcFree(x) ; x = NULL ; }
// map all memory functions to CRT except for HHW which
// uses the exported functions from HHA
#ifdef HHW
// exported by HHA
void* STDCALL rmalloc(int cb);
void* STDCALL rcalloc(int cb);
void STDCALL rfree(void* pv);
void* STDCALL rrealloc(void* pv, int cb);
void STDCALL rclearfree(void** pv);
int STDCALL lcSize(void* pv);
// map the lc functions to those exported by HHA
#define lcMalloc(cb) rmalloc(cb)
#define lcCalloc(cb) rcalloc(cb)
#define lcFree(pv) rfree((void*) (pv))
#define lcClearFree(pv) rclearfree((void**) (pv))
#define lcReAlloc(pv, cb) rrealloc((void*) (pv), cb)
#else // HHA and HHCTRL
#include <malloc.h>
#include <crtdbg.h>
#define lcMalloc(cb) malloc(cb)
__inline void* lcCalloc(int cb) { void* pv = lcMalloc(cb); ZeroMemory(pv, cb); return pv; }
#define lcFree(pv) free((void*) pv)
#define lcClearFree(pv) { lcFree(*pv); *pv = NULL; }
#define lcReAlloc(pv, cb) realloc(pv, cb)
#define lcSize(pv) _msize(pv)
#endif // HHW
// common to all
#define lcHeapCheck()
PSTR lcStrDup(PCSTR psz);
PWSTR lcStrDupW(PCWSTR psz);
#ifdef HHCTRL
void OnReportMemoryUsage();
#endif
class CMem
{
public:
PBYTE pb;
#ifndef HHCTRL
PSTR psz; // identical to pb, used for casting convenience
#endif
CMem(void);
CMem(int size);
~CMem(void) {
if(pb)
lcFree(pb);
}
#ifndef HHCTRL
int size(void);
void resize(int cb);
#endif
void ReAlloc(int cbNewSize) {
pb = (PBYTE) lcReAlloc(pb, cbNewSize);
#ifndef HHCTRL
psz = (PSTR) pb;
#endif
}
void Malloc(int cb) {
_ASSERT(!pb);
pb = (PBYTE) lcMalloc(cb);
#ifndef HHCTRL
psz = (PSTR) pb;
#endif
}
operator void*() { return (void*) pb; };
operator PCSTR() { return (PCSTR) pb; };
operator PSTR() { return (PSTR) pb; };
operator PBYTE() { return pb; };
operator LPWSTR() { return (LPWSTR) pb; };
};
#endif // LCMEM_H