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Sweden-Number/ole/ifs.c

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/*
* basic interfaces
*
* Copyright 1997 Marcus Meissner
*/
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "winerror.h"
#include "ldt.h"
#include "heap.h"
#include "wine/obj_base.h"
#include "objbase.h"
#include "local.h"
#include "module.h"
#include "debug.h"
/* --- IUnknown implementation */
/******************************************************************************
* IUnknown_AddRef [VTABLE:IUNKNOWN.1]
*/
static ULONG WINAPI IUnknown_fnAddRef(LPUNKNOWN iface) {
ICOM_THIS(IUnknown,iface);
TRACE(relay,"(%p)->AddRef()\n",this);
return ++(this->ref);
}
/******************************************************************************
* IUnknown_Release [VTABLE:IUNKNOWN.2]
*/
static ULONG WINAPI IUnknown_fnRelease(LPUNKNOWN iface) {
ICOM_THIS(IUnknown,iface);
TRACE(relay,"(%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(IUnknown,iface);
char xrefiid[50];
WINE_StringFromCLSID((LPCLSID)refiid,xrefiid);
TRACE(relay,"(%p)->QueryInterface(%s,%p)\n",this,xrefiid,obj);
if (!memcmp(&IID_IUnknown,refiid,sizeof(IID_IUnknown))) {
*obj = this;
return 0;
}
return OLE_E_ENUM_NOMORE;
}
static ICOM_VTABLE(IUnknown) uvt = {
IUnknown_fnQueryInterface,
IUnknown_fnAddRef,
IUnknown_fnRelease
};
/******************************************************************************
* IUnknown_Constructor [INTERNAL]
*/
LPUNKNOWN
IUnknown_Constructor() {
_IUnknown* unk;
unk = (_IUnknown*)HeapAlloc(GetProcessHeap(),0,sizeof(IUnknown));
unk->lpvtbl = &uvt;
unk->ref = 1;
return (LPUNKNOWN)unk;
}
/* --- IMalloc16 implementation */
typedef struct _IMalloc16 {
/* IUnknown fields */
ICOM_VTABLE(IMalloc16)* lpvtbl;
DWORD ref;
/* IMalloc16 fields */
/* Gmm, I think one is not enough, we should probably manage a list of
* heaps
*/
HGLOBAL16 heap;
} _IMalloc16;
/******************************************************************************
* IMalloc16_QueryInterface [COMPOBJ.500]
*/
HRESULT WINAPI IMalloc16_fnQueryInterface(IMalloc16* iface,REFIID refiid,LPVOID *obj) {
ICOM_THIS(IMalloc16,iface);
char xrefiid[50];
WINE_StringFromCLSID((LPCLSID)refiid,xrefiid);
TRACE(relay,"(%p)->QueryInterface(%s,%p)\n",this,xrefiid,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(IMalloc16,iface);
TRACE(relay,"(%p)->AddRef()\n",this);
return 1; /* cannot be freed */
}
/******************************************************************************
* IMalloc16_Release [COMPOBJ.502]
*/
ULONG WINAPI IMalloc16_fnRelease(IMalloc16* iface) {
ICOM_THIS(IMalloc16,iface);
TRACE(relay,"(%p)->Release()\n",this);
return 1; /* cannot be freed */
}
/******************************************************************************
* IMalloc16_Alloc [COMPOBJ.503]
*/
LPVOID WINAPI IMalloc16_fnAlloc(IMalloc16* iface,DWORD cb) {
ICOM_THIS(IMalloc16,iface);
TRACE(relay,"(%p)->Alloc(%ld)\n",this,cb);
return (LPVOID)PTR_SEG_OFF_TO_SEGPTR(this->heap,LOCAL_Alloc(this->heap,0,cb));
}
/******************************************************************************
* IMalloc16_Realloc [COMPOBJ.504]
*/
LPVOID WINAPI IMalloc16_fnRealloc(IMalloc16* iface,LPVOID pv,DWORD cb) {
ICOM_THIS(IMalloc16,iface);
TRACE(relay,"(%p)->Realloc(%p,%ld)\n",this,pv,cb);
return (LPVOID)PTR_SEG_OFF_TO_SEGPTR(this->heap,LOCAL_ReAlloc(this->heap,0,LOWORD(pv),cb));
}
/******************************************************************************
* IMalloc16_Free [COMPOBJ.505]
*/
VOID WINAPI IMalloc16_fnFree(IMalloc16* iface,LPVOID pv) {
ICOM_THIS(IMalloc16,iface);
TRACE(relay,"(%p)->Free(%p)\n",this,pv);
LOCAL_Free(this->heap,LOWORD(pv));
}
/******************************************************************************
* IMalloc16_GetSize [COMPOBJ.506]
*/
DWORD WINAPI IMalloc16_fnGetSize(const IMalloc16* iface,LPVOID pv) {
ICOM_CTHIS(IMalloc16,iface);
TRACE(relay,"(%p)->GetSize(%p)\n",this,pv);
return LOCAL_Size(this->heap,LOWORD(pv));
}
/******************************************************************************
* IMalloc16_DidAlloc [COMPOBJ.507]
*/
INT16 WINAPI IMalloc16_fnDidAlloc(const IMalloc16* iface,LPVOID pv) {
ICOM_CTHIS(IMalloc16,iface);
TRACE(relay,"(%p)->DidAlloc(%p)\n",this,pv);
return (INT16)-1;
}
/******************************************************************************
* IMalloc16_HeapMinimize [COMPOBJ.508]
*/
LPVOID WINAPI IMalloc16_fnHeapMinimize(IMalloc16* iface) {
ICOM_THIS(IMalloc16,iface);
TRACE(relay,"(%p)->HeapMinimize()\n",this);
return NULL;
}
static ICOM_VTABLE(IMalloc16)* msegvt16 = NULL;
/******************************************************************************
* IMalloc16_Constructor [VTABLE]
*/
LPMALLOC16
IMalloc16_Constructor() {
_IMalloc16* this;
HMODULE16 hcomp = GetModuleHandle16("COMPOBJ");
this = (_IMalloc16*)SEGPTR_NEW(_IMalloc16);
if (!msegvt16) {
this->lpvtbl = msegvt16 = SEGPTR_NEW(ICOM_VTABLE(IMalloc16));
#define VTENT(x) msegvt16->fn##x = (void*)WIN32_GetProcAddress16(hcomp,"IMalloc16_"#x);assert(msegvt16->fn##x)
VTENT(QueryInterface);
VTENT(AddRef);
VTENT(Release);
VTENT(Alloc);
VTENT(Realloc);
VTENT(Free);
VTENT(GetSize);
VTENT(DidAlloc);
VTENT(HeapMinimize);
msegvt16 = (ICOM_VTABLE(IMalloc16)*)SEGPTR_GET(msegvt16);
#undef VTENT
}
this->ref = 1;
/* FIXME: implement multiple heaps */
this->heap = GlobalAlloc16(GMEM_MOVEABLE,64000);
LocalInit(this->heap,0,64000);
return (LPMALLOC16)SEGPTR_GET(this);
}
/* --- IMalloc32 implementation */
typedef struct _IMalloc32 {
/* IUnknown fields */
ICOM_VTABLE(IMalloc32)* lpvtbl;
DWORD ref;
} _IMalloc32;
/******************************************************************************
* IMalloc32_QueryInterface [VTABLE]
*/
static HRESULT WINAPI IMalloc32_fnQueryInterface(LPMALLOC32 iface,REFIID refiid,LPVOID *obj) {
ICOM_THIS(IMalloc32,iface);
char xrefiid[50];
WINE_StringFromCLSID((LPCLSID)refiid,xrefiid);
TRACE(relay,"(%p)->QueryInterface(%s,%p)\n",this,xrefiid,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 IMalloc32_fnAddRef(LPMALLOC32 iface) {
ICOM_THIS(IMalloc32,iface);
TRACE(relay,"(%p)->AddRef()\n",this);
return 1; /* cannot be freed */
}
/******************************************************************************
* IMalloc32_Release [VTABLE]
*/
static ULONG WINAPI IMalloc32_fnRelease(LPMALLOC32 iface) {
ICOM_THIS(IMalloc32,iface);
TRACE(relay,"(%p)->Release()\n",this);
return 1; /* cannot be freed */
}
/******************************************************************************
* IMalloc32_Alloc [VTABLE]
*/
static LPVOID WINAPI IMalloc32_fnAlloc(LPMALLOC32 iface,DWORD cb) {
ICOM_THIS(IMalloc32,iface);
TRACE(relay,"(%p)->Alloc(%ld)\n",this,cb);
return HeapAlloc(GetProcessHeap(),0,cb);
}
/******************************************************************************
* IMalloc32_Realloc [VTABLE]
*/
static LPVOID WINAPI IMalloc32_fnRealloc(LPMALLOC32 iface,LPVOID pv,DWORD cb) {
ICOM_THIS(IMalloc32,iface);
TRACE(relay,"(%p)->Realloc(%p,%ld)\n",this,pv,cb);
return HeapReAlloc(GetProcessHeap(),0,pv,cb);
}
/******************************************************************************
* IMalloc32_Free [VTABLE]
*/
static VOID WINAPI IMalloc32_fnFree(LPMALLOC32 iface,LPVOID pv) {
ICOM_THIS(IMalloc32,iface);
TRACE(relay,"(%p)->Free(%p)\n",this,pv);
HeapFree(GetProcessHeap(),0,pv);
}
/******************************************************************************
* IMalloc32_GetSize [VTABLE]
*/
static DWORD WINAPI IMalloc32_fnGetSize(const IMalloc32* iface,LPVOID pv) {
ICOM_CTHIS(IMalloc32,iface);
TRACE(relay,"(%p)->GetSize(%p)\n",this,pv);
return HeapSize(GetProcessHeap(),0,pv);
}
/******************************************************************************
* IMalloc32_DidAlloc [VTABLE]
*/
static INT32 WINAPI IMalloc32_fnDidAlloc(const IMalloc32* iface,LPVOID pv) {
ICOM_CTHIS(IMalloc32,iface);
TRACE(relay,"(%p)->DidAlloc(%p)\n",this,pv);
return -1;
}
/******************************************************************************
* IMalloc32_HeapMinimize [VTABLE]
*/
static LPVOID WINAPI IMalloc32_fnHeapMinimize(LPMALLOC32 iface) {
ICOM_THIS(IMalloc32,iface);
TRACE(relay,"(%p)->HeapMinimize()\n",this);
return NULL;
}
static ICOM_VTABLE(IMalloc32) VT_IMalloc32 = {
IMalloc32_fnQueryInterface,
IMalloc32_fnAddRef,
IMalloc32_fnRelease,
IMalloc32_fnAlloc,
IMalloc32_fnRealloc,
IMalloc32_fnFree,
IMalloc32_fnGetSize,
IMalloc32_fnDidAlloc,
IMalloc32_fnHeapMinimize
};
/******************************************************************************
* IMalloc32_Constructor [VTABLE]
*/
LPMALLOC32
IMalloc32_Constructor() {
_IMalloc32* this;
this = (_IMalloc32*)HeapAlloc(GetProcessHeap(),0,sizeof(_IMalloc32));
this->lpvtbl = &VT_IMalloc32;
this->ref = 1;
return (LPMALLOC32)this;
}
/****************************************************************************
* API Functions
*/
/******************************************************************************
* IsValidInterface32 [OLE32.78]
*
* RETURNS
* True, if the passed pointer is a valid interface
*/
BOOL32 WINAPI IsValidInterface32(
LPUNKNOWN punk /* [in] interface to be tested */
) {
return !(
IsBadReadPtr32(punk,4) ||
IsBadReadPtr32(punk->lpvtbl,4) ||
IsBadReadPtr32(punk->lpvtbl->fnQueryInterface,9) ||
IsBadCodePtr32(punk->lpvtbl->fnQueryInterface)
);
}
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