dlls/quartz/memalloc.c

/*
 * Implementation of CLSID_MemoryAllocator.
 *
 * FIXME - stub.
 *
 * hidenori@a2.ctktv.ne.jp
 */

#include "config.h"

#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winerror.h"
#include "wine/obj_base.h"
#include "strmif.h"
#include "uuids.h"

#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(quartz);

#include "quartz_private.h"
#include "memalloc.h"


/* can I use offsetof safely? - FIXME? */
static QUARTZ_IFEntry IFEntries[] =
{
  { &IID_IMemAllocator, offsetof(CMemoryAllocator,memalloc)-offsetof(CMemoryAllocator,unk) },
};

static void QUARTZ_DestroyMemoryAllocator(IUnknown* punk)
{
	CMemoryAllocator_THIS(punk,unk);

	CMemoryAllocator_UninitIMemAllocator( This );
}

HRESULT QUARTZ_CreateMemoryAllocator(IUnknown* punkOuter,void** ppobj)
{
	CMemoryAllocator*	pma;
	HRESULT	hr;

	TRACE("(%p,%p)\n",punkOuter,ppobj);

	pma = (CMemoryAllocator*)QUARTZ_AllocObj( sizeof(CMemoryAllocator) );
	if ( pma == NULL )
		return E_OUTOFMEMORY;

	QUARTZ_IUnkInit( &pma->unk, punkOuter );
	hr = CMemoryAllocator_InitIMemAllocator( pma );
	if ( FAILED(hr) )
	{
		QUARTZ_FreeObj( pma );
		return hr;
	}

	pma->unk.pEntries = IFEntries;
	pma->unk.dwEntries = sizeof(IFEntries)/sizeof(IFEntries[0]);
	pma->unk.pOnFinalRelease = QUARTZ_DestroyMemoryAllocator;

	*ppobj = (void*)(&pma->unk);

	return S_OK;
}