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/*
* MAPI Default IMalloc implementation
*
* Copyright 2004 Jon Griffiths
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#define COBJMACROS
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "winuser.h"
#include "winerror.h"
#include "winternl.h"
#include "objbase.h"
#include "shlwapi.h"
#include "mapiutil.h"
#include "util.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(mapi);
static const IMallocVtbl MAPI_IMalloc_vt;
typedef struct
{
IMalloc IMalloc_iface;
LONG lRef;
} MAPI_IMALLOC;
static MAPI_IMALLOC MAPI_IMalloc = { { &MAPI_IMalloc_vt }, 0 };
extern LONG MAPI_ObjectCount; /* In mapi32_main.c */
/*************************************************************************
* MAPIGetDefaultMalloc@0 (MAPI32.59)
*
* Get the default MAPI IMalloc interface.
*
* PARAMS
* None.
*
* RETURNS
* A pointer to the MAPI default allocator.
*/
LPMALLOC WINAPI MAPIGetDefaultMalloc(void)
{
TRACE("()\n");
if (mapiFunctions.MAPIGetDefaultMalloc)
return mapiFunctions.MAPIGetDefaultMalloc();
IMalloc_AddRef(&MAPI_IMalloc.IMalloc_iface);
return &MAPI_IMalloc.IMalloc_iface;
}
/**************************************************************************
* IMAPIMalloc_QueryInterface
*/
static HRESULT WINAPI IMAPIMalloc_fnQueryInterface(LPMALLOC iface, REFIID refiid,
LPVOID *ppvObj)
{
TRACE("(%s,%p)\n", debugstr_guid(refiid), ppvObj);
if (IsEqualIID(refiid, &IID_IUnknown) ||
IsEqualIID(refiid, &IID_IMalloc))
{
*ppvObj = &MAPI_IMalloc;
TRACE("Returning IMalloc (%p)\n", *ppvObj);
return S_OK;
}
TRACE("Returning E_NOINTERFACE\n");
return E_NOINTERFACE;
}
/**************************************************************************
* IMAPIMalloc_AddRef
*/
static ULONG WINAPI IMAPIMalloc_fnAddRef(LPMALLOC iface)
{
TRACE("(%p)\n", iface);
InterlockedIncrement(&MAPI_ObjectCount);
return 1u;
}
/**************************************************************************
* IMAPIMalloc_Release
*/
static ULONG WINAPI IMAPIMalloc_fnRelease(LPMALLOC iface)
{
TRACE("(%p)\n", iface);
InterlockedDecrement(&MAPI_ObjectCount);
return 1u;
}
/**************************************************************************
* IMAPIMalloc_Alloc
*/
static LPVOID WINAPI IMAPIMalloc_fnAlloc(LPMALLOC iface, DWORD cb)
{
TRACE("(%p)->(%d)\n", iface, cb);
return LocalAlloc(LMEM_FIXED, cb);
}
/**************************************************************************
* IMAPIMalloc_Realloc
*/
static LPVOID WINAPI IMAPIMalloc_fnRealloc(LPMALLOC iface, LPVOID pv, DWORD cb)
{
TRACE("(%p)->(%p, %d)\n", iface, pv, cb);
if (!pv)
return LocalAlloc(LMEM_FIXED, cb);
if (cb)
return LocalReAlloc(pv, cb, LMEM_MOVEABLE);
LocalFree(pv);
return NULL;
}
/**************************************************************************
* IMAPIMalloc_Free
*/
static void WINAPI IMAPIMalloc_fnFree(LPMALLOC iface, LPVOID pv)
{
TRACE("(%p)->(%p)\n", iface, pv);
LocalFree(pv);
}
/**************************************************************************
* IMAPIMalloc_GetSize
*/
static DWORD WINAPI IMAPIMalloc_fnGetSize(LPMALLOC iface, LPVOID pv)
{
TRACE("(%p)->(%p)\n", iface, pv);
return LocalSize(pv);
}
/**************************************************************************
* IMAPIMalloc_DidAlloc
*/
static INT WINAPI IMAPIMalloc_fnDidAlloc(LPMALLOC iface, LPVOID pv)
{
TRACE("(%p)->(%p)\n", iface, pv);
return -1;
}
/**************************************************************************
* IMAPIMalloc_HeapMinimize
*/
static void WINAPI IMAPIMalloc_fnHeapMinimize(LPMALLOC iface)
{
TRACE("(%p)\n", iface);
}
static const IMallocVtbl MAPI_IMalloc_vt =
{
IMAPIMalloc_fnQueryInterface,
IMAPIMalloc_fnAddRef,
IMAPIMalloc_fnRelease,
IMAPIMalloc_fnAlloc,
IMAPIMalloc_fnRealloc,
IMAPIMalloc_fnFree,
IMAPIMalloc_fnGetSize,
IMAPIMalloc_fnDidAlloc,
IMAPIMalloc_fnHeapMinimize
};