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Sweden-Number/dlls/ole32/ifs.c

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/*
* basic interfaces
*
* Copyright 1997 Marcus Meissner
*/
#include "config.h"
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "ole2.h"
#include "windef.h"
#include "winerror.h"
#include "wine/obj_base.h"
#include "wine/winbase16.h"
#include "heap.h"
#include "ifs.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(relay);
/* --- IUnknown implementation */
typedef struct
{
/* IUnknown fields */
ICOM_VFIELD(IUnknown);
DWORD ref;
} IUnknownImpl;
/******************************************************************************
* IUnknown_AddRef [VTABLE:IUNKNOWN.1]
*/
static ULONG WINAPI IUnknown_fnAddRef(LPUNKNOWN iface) {
ICOM_THIS(IUnknownImpl,iface);
TRACE("(%p)->AddRef()\n",This);
return ++(This->ref);
}
/******************************************************************************
* IUnknown_Release [VTABLE:IUNKNOWN.2]
*/
static ULONG WINAPI IUnknown_fnRelease(LPUNKNOWN iface) {
ICOM_THIS(IUnknownImpl,iface);
TRACE("(%p)->Release()\n",This);
if (!--(This->ref)) {
HeapFree(GetProcessHeap(),0,This);
return 0;
}
return This->ref;
}
/******************************************************************************
* IUnknown_QueryInterface [VTABLE:IUNKNOWN.0]
*/
static HRESULT WINAPI IUnknown_fnQueryInterface(LPUNKNOWN iface,REFIID refiid,LPVOID *obj) {
ICOM_THIS(IUnknownImpl,iface);
TRACE("(%p)->QueryInterface(%s,%p)\n",This,debugstr_guid(refiid),obj);
if (!memcmp(&IID_IUnknown,refiid,sizeof(IID_IUnknown))) {
*obj = This;
return 0;
}
return OLE_E_ENUM_NOMORE;
}
static ICOM_VTABLE(IUnknown) uvt =
{
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
IUnknown_fnQueryInterface,
IUnknown_fnAddRef,
IUnknown_fnRelease
};
/******************************************************************************
* IUnknown_Constructor [INTERNAL]
*/
LPUNKNOWN
IUnknown_Constructor() {
IUnknownImpl* unk;
unk = (IUnknownImpl*)HeapAlloc(GetProcessHeap(),0,sizeof(IUnknownImpl));
ICOM_VTBL(unk) = &uvt;
unk->ref = 1;
return (LPUNKNOWN)unk;
}
/* --- IMalloc16 implementation */
typedef struct
{
/* IUnknown fields */
ICOM_VFIELD(IMalloc16);
DWORD ref;
/* IMalloc16 fields */
} IMalloc16Impl;
/******************************************************************************
* IMalloc16_QueryInterface [COMPOBJ.500]
*/
HRESULT WINAPI IMalloc16_fnQueryInterface(IMalloc16* iface,REFIID refiid,LPVOID *obj) {
ICOM_THIS(IMalloc16Impl,iface);
TRACE("(%p)->QueryInterface(%s,%p)\n",This,debugstr_guid(refiid),obj);
if ( !memcmp(&IID_IUnknown,refiid,sizeof(IID_IUnknown)) ||
!memcmp(&IID_IMalloc,refiid,sizeof(IID_IMalloc))
) {
*obj = This;
return 0;
}
return OLE_E_ENUM_NOMORE;
}
/******************************************************************************
* IMalloc16_AddRef [COMPOBJ.501]
*/
ULONG WINAPI IMalloc16_fnAddRef(IMalloc16* iface) {
ICOM_THIS(IMalloc16Impl,iface);
TRACE("(%p)->AddRef()\n",This);
return 1; /* cannot be freed */
}
/******************************************************************************
* IMalloc16_Release [COMPOBJ.502]
*/
ULONG WINAPI IMalloc16_fnRelease(IMalloc16* iface) {
ICOM_THIS(IMalloc16Impl,iface);
TRACE("(%p)->Release()\n",This);
return 1; /* cannot be freed */
}
/******************************************************************************
* IMalloc16_Alloc [COMPOBJ.503]
*/
SEGPTR WINAPI IMalloc16_fnAlloc(IMalloc16* iface,DWORD cb) {
ICOM_THIS(IMalloc16Impl,iface);
TRACE("(%p)->Alloc(%ld)\n",This,cb);
return MapLS( HeapAlloc( GetProcessHeap(), HEAP_WINE_SEGPTR, cb ) );
}
/******************************************************************************
* IMalloc16_Realloc [COMPOBJ.504]
*/
SEGPTR WINAPI IMalloc16_fnRealloc(IMalloc16* iface,SEGPTR pv,DWORD cb) {
ICOM_THIS(IMalloc16Impl,iface);
TRACE("(%p)->Realloc(%08lx,%ld)\n",This,pv,cb);
return MapLS( HeapReAlloc( GetProcessHeap(), HEAP_WINE_SEGPTR, MapSL(pv), cb ) );
}
/******************************************************************************
* IMalloc16_Free [COMPOBJ.505]
*/
VOID WINAPI IMalloc16_fnFree(IMalloc16* iface,SEGPTR pv) {
ICOM_THIS(IMalloc16Impl,iface);
TRACE("(%p)->Free(%08lx)\n",This,pv);
HeapFree( GetProcessHeap(), HEAP_WINE_SEGPTR, MapSL(pv) );
}
/******************************************************************************
* IMalloc16_GetSize [COMPOBJ.506]
*/
DWORD WINAPI IMalloc16_fnGetSize(const IMalloc16* iface,SEGPTR pv)
{
ICOM_CTHIS(IMalloc16Impl,iface);
TRACE("(%p)->GetSize(%08lx)\n",This,pv);
return HeapSize( GetProcessHeap(), HEAP_WINE_SEGPTR, MapSL(pv) );
}
/******************************************************************************
* IMalloc16_DidAlloc [COMPOBJ.507]
*/
INT16 WINAPI IMalloc16_fnDidAlloc(const IMalloc16* iface,LPVOID pv) {
ICOM_CTHIS(IMalloc16,iface);
TRACE("(%p)->DidAlloc(%p)\n",This,pv);
return (INT16)-1;
}
/******************************************************************************
* IMalloc16_HeapMinimize [COMPOBJ.508]
*/
LPVOID WINAPI IMalloc16_fnHeapMinimize(IMalloc16* iface) {
ICOM_THIS(IMalloc16Impl,iface);
TRACE("(%p)->HeapMinimize()\n",This);
return NULL;
}
static ICOM_VTABLE(IMalloc16)* msegvt16 = NULL;
/******************************************************************************
* IMalloc16_Constructor [VTABLE]
*/
LPMALLOC16
IMalloc16_Constructor() {
IMalloc16Impl* This;
HMODULE16 hcomp = GetModuleHandle16("COMPOBJ");
This = (IMalloc16Impl*)SEGPTR_NEW(IMalloc16Impl);
if (!msegvt16) {
msegvt16 = SEGPTR_NEW(ICOM_VTABLE(IMalloc16));
#define VTENT(x) msegvt16->x = (void*)GetProcAddress16(hcomp,"IMalloc16_"#x);assert(msegvt16->x)
VTENT(QueryInterface);
VTENT(AddRef);
VTENT(Release);
VTENT(Alloc);
VTENT(Realloc);
VTENT(Free);
VTENT(GetSize);
VTENT(DidAlloc);
VTENT(HeapMinimize);
#undef VTENT
}
ICOM_VTBL(This) = (ICOM_VTABLE(IMalloc16)*)SEGPTR_GET(msegvt16);
This->ref = 1;
return (LPMALLOC16)SEGPTR_GET(This);
}
/* --- IMalloc32 implementation */
typedef struct
{
/* IUnknown fields */
ICOM_VFIELD(IMalloc);
DWORD ref;
} IMalloc32Impl;
/******************************************************************************
* IMalloc32_QueryInterface [VTABLE]
*/
static HRESULT WINAPI IMalloc_fnQueryInterface(LPMALLOC iface,REFIID refiid,LPVOID *obj) {
ICOM_THIS(IMalloc32Impl,iface);
TRACE("(%p)->QueryInterface(%s,%p)\n",This,debugstr_guid(refiid),obj);
if ( !memcmp(&IID_IUnknown,refiid,sizeof(IID_IUnknown)) ||
!memcmp(&IID_IMalloc,refiid,sizeof(IID_IMalloc))
) {
*obj = This;
return S_OK;
}
return OLE_E_ENUM_NOMORE;
}
/******************************************************************************
* IMalloc32_AddRef [VTABLE]
*/
static ULONG WINAPI IMalloc_fnAddRef(LPMALLOC iface) {
ICOM_THIS(IMalloc32Impl,iface);
TRACE("(%p)->AddRef()\n",This);
return 1; /* cannot be freed */
}
/******************************************************************************
* IMalloc32_Release [VTABLE]
*/
static ULONG WINAPI IMalloc_fnRelease(LPMALLOC iface) {
ICOM_THIS(IMalloc32Impl,iface);
TRACE("(%p)->Release()\n",This);
return 1; /* cannot be freed */
}
/******************************************************************************
* IMalloc32_Alloc [VTABLE]
*/
static LPVOID WINAPI IMalloc_fnAlloc(LPMALLOC iface,DWORD cb) {
LPVOID addr;
ICOM_THIS(IMalloc32Impl,iface);
addr = HeapAlloc(GetProcessHeap(),0,cb);
TRACE("(%p)->Alloc(%ld) -> %p\n",This,cb,addr);
return addr;
}
/******************************************************************************
* IMalloc32_Realloc [VTABLE]
*/
static LPVOID WINAPI IMalloc_fnRealloc(LPMALLOC iface,LPVOID pv,DWORD cb) {
ICOM_THIS(IMalloc32Impl,iface);
TRACE("(%p)->Realloc(%p,%ld)\n",This,pv,cb);
return HeapReAlloc(GetProcessHeap(),0,pv,cb);
}
/******************************************************************************
* IMalloc32_Free [VTABLE]
*/
static VOID WINAPI IMalloc_fnFree(LPMALLOC iface,LPVOID pv) {
ICOM_THIS(IMalloc32Impl,iface);
TRACE("(%p)->Free(%p)\n",This,pv);
HeapFree(GetProcessHeap(),0,pv);
}
/******************************************************************************
* IMalloc32_GetSize [VTABLE]
*/
static DWORD WINAPI IMalloc_fnGetSize(LPMALLOC iface,LPVOID pv) {
ICOM_CTHIS(IMalloc,iface);
TRACE("(%p)->GetSize(%p)\n",This,pv);
return HeapSize(GetProcessHeap(),0,pv);
}
/******************************************************************************
* IMalloc32_DidAlloc [VTABLE]
*/
static INT WINAPI IMalloc_fnDidAlloc(LPMALLOC iface,LPVOID pv) {
ICOM_CTHIS(IMalloc32Impl,iface);
TRACE("(%p)->DidAlloc(%p)\n",This,pv);
return -1;
}
/******************************************************************************
* IMalloc32_HeapMinimize [VTABLE]
*/
static VOID WINAPI IMalloc_fnHeapMinimize(LPMALLOC iface) {
ICOM_THIS(IMalloc32Impl,iface);
TRACE("(%p)->HeapMinimize()\n",This);
}
static ICOM_VTABLE(IMalloc) VT_IMalloc32 =
{
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
IMalloc_fnQueryInterface,
IMalloc_fnAddRef,
IMalloc_fnRelease,
IMalloc_fnAlloc,
IMalloc_fnRealloc,
IMalloc_fnFree,
IMalloc_fnGetSize,
IMalloc_fnDidAlloc,
IMalloc_fnHeapMinimize
};
/******************************************************************************
* IMalloc32_Constructor [VTABLE]
*/
LPMALLOC
IMalloc_Constructor() {
IMalloc32Impl* This;
This = (IMalloc32Impl*)HeapAlloc(GetProcessHeap(),0,sizeof(IMalloc32Impl));
ICOM_VTBL(This) = &VT_IMalloc32;
This->ref = 1;
return (LPMALLOC)This;
}
/****************************************************************************
* API Functions
*/
/******************************************************************************
* IsValidInterface [OLE32.78]
*
* RETURNS
* True, if the passed pointer is a valid interface
*/
BOOL WINAPI IsValidInterface(
LPUNKNOWN punk /* [in] interface to be tested */
) {
return !(
IsBadReadPtr(punk,4) ||
IsBadReadPtr(ICOM_VTBL(punk),4) ||
IsBadReadPtr(ICOM_VTBL(punk)->QueryInterface,9) ||
IsBadCodePtr((FARPROC)ICOM_VTBL(punk)->QueryInterface)
);
}
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