| /* |
| * 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/winbase16.h" |
| #include "wine/obj_base.h" |
| #include "local.h" |
| #include "module.h" |
| #include "debugtools.h" |
| |
| #include "ifs.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 */ |
| /* Gmm, I think one is not enough, we should probably manage a list of |
| * heaps |
| */ |
| HGLOBAL16 heap; |
| } 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] |
| */ |
| LPVOID WINAPI IMalloc16_fnAlloc(IMalloc16* iface,DWORD cb) { |
| ICOM_THIS(IMalloc16Impl,iface); |
| TRACE("(%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(IMalloc16Impl,iface); |
| TRACE("(%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(IMalloc16Impl,iface); |
| TRACE("(%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(IMalloc16Impl,iface); |
| TRACE("(%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("(%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->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); |
| #undef VTENT |
| } |
| ICOM_VTBL(This) = (ICOM_VTABLE(IMalloc16)*)SEGPTR_GET(msegvt16); |
| This->ref = 1; |
| /* FIXME: implement multiple heaps */ |
| This->heap = GlobalAlloc16(GMEM_MOVEABLE,64000); |
| LocalInit16(This->heap,0,64000); |
| 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) { |
| ICOM_THIS(IMalloc32Impl,iface); |
| TRACE("(%p)->Alloc(%ld)\n",This,cb); |
| return HeapAlloc(GetProcessHeap(),0,cb); |
| } |
| |
| /****************************************************************************** |
| * 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(const IMalloc* 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(const IMalloc* iface,LPVOID pv) { |
| ICOM_CTHIS(IMalloc32Impl,iface); |
| TRACE("(%p)->DidAlloc(%p)\n",This,pv); |
| return -1; |
| } |
| |
| /****************************************************************************** |
| * IMalloc32_HeapMinimize [VTABLE] |
| */ |
| static LPVOID WINAPI IMalloc_fnHeapMinimize(LPMALLOC iface) { |
| ICOM_THIS(IMalloc32Impl,iface); |
| TRACE("(%p)->HeapMinimize()\n",This); |
| return NULL; |
| } |
| |
| 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 |
| */ |
| |
| /****************************************************************************** |
| * IsValidInterface32 [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)->fnQueryInterface,9) || |
| IsBadCodePtr(ICOM_VTBL(punk)->fnQueryInterface) |
| ); |
| } |