| 1 | /*
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| 2 | * basic interfaces
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| 3 | *
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| 4 | * Copyright 1997 Marcus Meissner
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| 5 | */
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| 6 |
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| 7 | #include <ctype.h>
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| 8 | #include <stdlib.h>
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| 9 | #include <string.h>
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| 10 | #include <assert.h>
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| 11 | #include "winerror.h"
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| 12 | #include "heap.h"
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| 13 | #include "wine/winbase16.h"
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| 14 | #include "wine/obj_base.h"
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| 15 | #include "debugtools.h"
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| 16 |
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| 17 | #include "ole.h"
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| 18 | #include "ifs.h"
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| 19 |
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| 20 | DEFAULT_DEBUG_CHANNEL(relay);
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| 21 |
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| 22 | /* --- IUnknown implementation */
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| 23 |
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| 24 | typedef struct
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| 25 | {
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| 26 | /* IUnknown fields */
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| 27 | ICOM_VFIELD(IUnknown);
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| 28 | DWORD ref;
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| 29 | } IUnknownImpl;
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| 30 |
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| 31 | /******************************************************************************
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| 32 | * IUnknown_AddRef [VTABLE:IUNKNOWN.1]
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| 33 | */
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| 34 | static ULONG WINAPI IUnknown_fnAddRef(LPUNKNOWN iface) {
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| 35 | ICOM_THIS(IUnknownImpl,iface);
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| 36 | TRACE("(%p)->AddRef()\n",This);
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| 37 | return ++(This->ref);
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| 38 | }
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| 39 |
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| 40 | /******************************************************************************
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| 41 | * IUnknown_Release [VTABLE:IUNKNOWN.2]
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| 42 | */
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| 43 | static ULONG WINAPI IUnknown_fnRelease(LPUNKNOWN iface) {
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| 44 | ICOM_THIS(IUnknownImpl,iface);
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| 45 | TRACE("(%p)->Release()\n",This);
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| 46 | if (!--(This->ref)) {
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| 47 | HeapFree(GetProcessHeap(),0,This);
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| 48 | return 0;
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| 49 | }
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| 50 | return This->ref;
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| 51 | }
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| 52 |
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| 53 | /******************************************************************************
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| 54 | * IUnknown_QueryInterface [VTABLE:IUNKNOWN.0]
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| 55 | */
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| 56 | static HRESULT WINAPI IUnknown_fnQueryInterface(LPUNKNOWN iface,REFIID refiid,LPVOID *obj) {
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| 57 | ICOM_THIS(IUnknownImpl,iface);
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| 58 |
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| 59 | TRACE("(%p)->QueryInterface(%s,%p)\n",This,debugstr_guid(refiid),obj);
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| 60 |
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| 61 | if (!memcmp(&IID_IUnknown,refiid,sizeof(IID_IUnknown))) {
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| 62 | *obj = This;
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| 63 | return 0;
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| 64 | }
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| 65 | return OLE_E_ENUM_NOMORE;
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| 66 | }
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| 67 |
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| 68 | static ICOM_VTABLE(IUnknown) uvt =
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| 69 | {
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| 70 | ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
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| 71 | IUnknown_fnQueryInterface,
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| 72 | IUnknown_fnAddRef,
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| 73 | IUnknown_fnRelease
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| 74 | };
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| 75 |
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| 76 | /******************************************************************************
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| 77 | * IUnknown_Constructor [INTERNAL]
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| 78 | */
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| 79 | LPUNKNOWN
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| 80 | IUnknown_Constructor() {
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| 81 | IUnknownImpl* unk;
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| 82 |
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| 83 | unk = (IUnknownImpl*)HeapAlloc(GetProcessHeap(),0,sizeof(IUnknownImpl));
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| 84 | ICOM_VTBL(unk) = &uvt;
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| 85 | unk->ref = 1;
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| 86 | return (LPUNKNOWN)unk;
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| 87 | }
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| 88 |
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| 89 | #ifndef __WIN32OS2__
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| 90 | /* --- IMalloc16 implementation */
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| 91 |
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| 92 |
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| 93 | typedef struct
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| 94 | {
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| 95 | /* IUnknown fields */
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| 96 | ICOM_VFIELD(IMalloc16);
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| 97 | DWORD ref;
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| 98 | /* IMalloc16 fields */
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| 99 | } IMalloc16Impl;
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| 100 |
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| 101 | /******************************************************************************
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| 102 | * IMalloc16_QueryInterface [COMPOBJ.500]
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| 103 | */
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| 104 | HRESULT WINAPI IMalloc16_fnQueryInterface(IMalloc16* iface,REFIID refiid,LPVOID *obj) {
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| 105 | ICOM_THIS(IMalloc16Impl,iface);
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| 106 |
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| 107 | TRACE("(%p)->QueryInterface(%s,%p)\n",This,debugstr_guid(refiid),obj);
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| 108 | if ( !memcmp(&IID_IUnknown,refiid,sizeof(IID_IUnknown)) ||
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| 109 | !memcmp(&IID_IMalloc,refiid,sizeof(IID_IMalloc))
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| 110 | ) {
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| 111 | *obj = This;
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| 112 | return 0;
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| 113 | }
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| 114 | return OLE_E_ENUM_NOMORE;
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| 115 | }
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| 116 |
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| 117 | /******************************************************************************
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| 118 | * IMalloc16_AddRef [COMPOBJ.501]
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| 119 | */
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| 120 | ULONG WINAPI IMalloc16_fnAddRef(IMalloc16* iface) {
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| 121 | ICOM_THIS(IMalloc16Impl,iface);
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| 122 | TRACE("(%p)->AddRef()\n",This);
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| 123 | return 1; /* cannot be freed */
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| 124 | }
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| 125 |
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| 126 | /******************************************************************************
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| 127 | * IMalloc16_Release [COMPOBJ.502]
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| 128 | */
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| 129 | ULONG WINAPI IMalloc16_fnRelease(IMalloc16* iface) {
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| 130 | ICOM_THIS(IMalloc16Impl,iface);
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| 131 | TRACE("(%p)->Release()\n",This);
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| 132 | return 1; /* cannot be freed */
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| 133 | }
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| 134 |
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| 135 | /******************************************************************************
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| 136 | * IMalloc16_Alloc [COMPOBJ.503]
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| 137 | */
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| 138 | SEGPTR WINAPI IMalloc16_fnAlloc(IMalloc16* iface,DWORD cb) {
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| 139 | ICOM_THIS(IMalloc16Impl,iface);
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| 140 | TRACE("(%p)->Alloc(%ld)\n",This,cb);
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| 141 | return MapLS( HeapAlloc( GetProcessHeap(), HEAP_WINE_SEGPTR, cb ) );
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| 142 | }
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| 143 |
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| 144 | /******************************************************************************
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| 145 | * IMalloc16_Realloc [COMPOBJ.504]
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| 146 | */
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| 147 | SEGPTR WINAPI IMalloc16_fnRealloc(IMalloc16* iface,SEGPTR pv,DWORD cb) {
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| 148 | ICOM_THIS(IMalloc16Impl,iface);
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| 149 | TRACE("(%p)->Realloc(%08lx,%ld)\n",This,pv,cb);
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| 150 | return MapLS( HeapReAlloc( GetProcessHeap(), HEAP_WINE_SEGPTR, MapSL(pv), cb ) );
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| 151 | }
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| 152 |
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| 153 | /******************************************************************************
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| 154 | * IMalloc16_Free [COMPOBJ.505]
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| 155 | */
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| 156 | VOID WINAPI IMalloc16_fnFree(IMalloc16* iface,SEGPTR pv) {
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| 157 | ICOM_THIS(IMalloc16Impl,iface);
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| 158 | TRACE("(%p)->Free(%08lx)\n",This,pv);
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| 159 | HeapFree( GetProcessHeap(), HEAP_WINE_SEGPTR, MapSL(pv) );
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| 160 | }
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| 161 |
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| 162 | /******************************************************************************
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| 163 | * IMalloc16_GetSize [COMPOBJ.506]
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| 164 | */
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| 165 | DWORD WINAPI IMalloc16_fnGetSize(const IMalloc16* iface,SEGPTR pv)
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| 166 | {
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| 167 | ICOM_CTHIS(IMalloc16Impl,iface);
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| 168 | TRACE("(%p)->GetSize(%08lx)\n",This,pv);
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| 169 | return HeapSize( GetProcessHeap(), HEAP_WINE_SEGPTR, MapSL(pv) );
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| 170 | }
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| 171 |
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| 172 | /******************************************************************************
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| 173 | * IMalloc16_DidAlloc [COMPOBJ.507]
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| 174 | */
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| 175 | INT16 WINAPI IMalloc16_fnDidAlloc(const IMalloc16* iface,LPVOID pv) {
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| 176 | ICOM_CTHIS(IMalloc16,iface);
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| 177 | TRACE("(%p)->DidAlloc(%p)\n",This,pv);
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| 178 | return (INT16)-1;
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| 179 | }
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| 180 |
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| 181 | /******************************************************************************
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| 182 | * IMalloc16_HeapMinimize [COMPOBJ.508]
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| 183 | */
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| 184 | LPVOID WINAPI IMalloc16_fnHeapMinimize(IMalloc16* iface) {
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| 185 | ICOM_THIS(IMalloc16Impl,iface);
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| 186 | TRACE("(%p)->HeapMinimize()\n",This);
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| 187 | return NULL;
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| 188 | }
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| 189 |
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| 190 | static ICOM_VTABLE(IMalloc16)* msegvt16 = NULL;
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| 191 |
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| 192 | /******************************************************************************
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| 193 | * IMalloc16_Constructor [VTABLE]
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| 194 | */
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| 195 | LPMALLOC16
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| 196 | IMalloc16_Constructor() {
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| 197 | IMalloc16Impl* This;
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| 198 | HMODULE16 hcomp = GetModuleHandle16("COMPOBJ");
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| 199 |
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| 200 | This = (IMalloc16Impl*)SEGPTR_NEW(IMalloc16Impl);
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| 201 | if (!msegvt16) {
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| 202 | msegvt16 = SEGPTR_NEW(ICOM_VTABLE(IMalloc16));
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| 203 |
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| 204 | #define VTENT(x) msegvt16->x = (void*)GetProcAddress16(hcomp,"IMalloc16_"#x);assert(msegvt16->x)
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| 205 | VTENT(QueryInterface);
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| 206 | VTENT(AddRef);
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| 207 | VTENT(Release);
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| 208 | VTENT(Alloc);
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| 209 | VTENT(Realloc);
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| 210 | VTENT(Free);
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| 211 | VTENT(GetSize);
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| 212 | VTENT(DidAlloc);
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| 213 | VTENT(HeapMinimize);
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| 214 | #undef VTENT
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| 215 | }
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| 216 | ICOM_VTBL(This) = (ICOM_VTABLE(IMalloc16)*)SEGPTR_GET(msegvt16);
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| 217 | This->ref = 1;
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| 218 | return (LPMALLOC16)SEGPTR_GET(This);
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| 219 | }
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| 220 | #endif
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| 221 |
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| 222 | /* --- IMalloc32 implementation */
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| 223 |
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| 224 | typedef struct
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| 225 | {
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| 226 | /* IUnknown fields */
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| 227 | ICOM_VFIELD(IMalloc);
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| 228 | DWORD ref;
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| 229 | } IMalloc32Impl;
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| 230 |
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| 231 | /******************************************************************************
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| 232 | * IMalloc32_QueryInterface [VTABLE]
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| 233 | */
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| 234 | static HRESULT WINAPI IMalloc_fnQueryInterface(LPMALLOC iface,REFIID refiid,LPVOID *obj) {
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| 235 | ICOM_THIS(IMalloc32Impl,iface);
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| 236 |
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| 237 | TRACE("(%p)->QueryInterface(%s,%p)\n",This,debugstr_guid(refiid),obj);
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| 238 | if ( !memcmp(&IID_IUnknown,refiid,sizeof(IID_IUnknown)) ||
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| 239 | !memcmp(&IID_IMalloc,refiid,sizeof(IID_IMalloc))
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| 240 | ) {
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| 241 | *obj = This;
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| 242 | return S_OK;
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| 243 | }
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| 244 | return OLE_E_ENUM_NOMORE;
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| 245 | }
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| 246 |
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| 247 | /******************************************************************************
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| 248 | * IMalloc32_AddRef [VTABLE]
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| 249 | */
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| 250 | static ULONG WINAPI IMalloc_fnAddRef(LPMALLOC iface) {
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| 251 | ICOM_THIS(IMalloc32Impl,iface);
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| 252 | TRACE("(%p)->AddRef()\n",This);
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| 253 | return 1; /* cannot be freed */
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| 254 | }
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| 255 |
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| 256 | /******************************************************************************
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| 257 | * IMalloc32_Release [VTABLE]
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| 258 | */
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| 259 | static ULONG WINAPI IMalloc_fnRelease(LPMALLOC iface) {
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| 260 | ICOM_THIS(IMalloc32Impl,iface);
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| 261 | TRACE("(%p)->Release()\n",This);
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| 262 | return 1; /* cannot be freed */
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| 263 | }
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| 264 |
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| 265 | /******************************************************************************
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| 266 | * IMalloc32_Alloc [VTABLE]
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| 267 | */
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| 268 | static LPVOID WINAPI IMalloc_fnAlloc(LPMALLOC iface,DWORD cb) {
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| 269 | LPVOID addr;
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| 270 | ICOM_THIS(IMalloc32Impl,iface);
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| 271 | addr = HeapAlloc(GetProcessHeap(),0,cb);
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| 272 | TRACE("(%p)->Alloc(%ld) -> %p\n",This,cb,addr);
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| 273 | return addr;
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| 274 | }
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| 275 |
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| 276 | /******************************************************************************
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| 277 | * IMalloc32_Realloc [VTABLE]
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| 278 | */
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| 279 | static LPVOID WINAPI IMalloc_fnRealloc(LPMALLOC iface,LPVOID pv,DWORD cb) {
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| 280 | ICOM_THIS(IMalloc32Impl,iface);
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| 281 | TRACE("(%p)->Realloc(%p,%ld)\n",This,pv,cb);
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| 282 | return HeapReAlloc(GetProcessHeap(),0,pv,cb);
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| 283 | }
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| 284 |
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| 285 | /******************************************************************************
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| 286 | * IMalloc32_Free [VTABLE]
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| 287 | */
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| 288 | static VOID WINAPI IMalloc_fnFree(LPMALLOC iface,LPVOID pv) {
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| 289 | ICOM_THIS(IMalloc32Impl,iface);
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| 290 | TRACE("(%p)->Free(%p)\n",This,pv);
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| 291 | HeapFree(GetProcessHeap(),0,pv);
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| 292 | }
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| 293 |
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| 294 | /******************************************************************************
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| 295 | * IMalloc32_GetSize [VTABLE]
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| 296 | */
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| 297 | static DWORD WINAPI IMalloc_fnGetSize(LPMALLOC iface,LPVOID pv) {
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| 298 | ICOM_CTHIS(IMalloc,iface);
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| 299 | TRACE("(%p)->GetSize(%p)\n",This,pv);
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| 300 | return HeapSize(GetProcessHeap(),0,pv);
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| 301 | }
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| 302 |
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| 303 | /******************************************************************************
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| 304 | * IMalloc32_DidAlloc [VTABLE]
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| 305 | */
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| 306 | static INT WINAPI IMalloc_fnDidAlloc(LPMALLOC iface,LPVOID pv) {
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| 307 | ICOM_CTHIS(IMalloc32Impl,iface);
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| 308 | TRACE("(%p)->DidAlloc(%p)\n",This,pv);
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| 309 | return -1;
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| 310 | }
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| 311 |
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| 312 | /******************************************************************************
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| 313 | * IMalloc32_HeapMinimize [VTABLE]
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| 314 | */
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| 315 | static VOID WINAPI IMalloc_fnHeapMinimize(LPMALLOC iface) {
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| 316 | ICOM_THIS(IMalloc32Impl,iface);
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| 317 | TRACE("(%p)->HeapMinimize()\n",This);
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| 318 | }
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| 319 |
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| 320 | static ICOM_VTABLE(IMalloc) VT_IMalloc32 =
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| 321 | {
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| 322 | ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
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| 323 | IMalloc_fnQueryInterface,
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| 324 | IMalloc_fnAddRef,
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| 325 | IMalloc_fnRelease,
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| 326 | IMalloc_fnAlloc,
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| 327 | IMalloc_fnRealloc,
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| 328 | IMalloc_fnFree,
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| 329 | IMalloc_fnGetSize,
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| 330 | IMalloc_fnDidAlloc,
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| 331 | IMalloc_fnHeapMinimize
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| 332 | };
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| 333 |
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| 334 | /******************************************************************************
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| 335 | * IMalloc32_Constructor [VTABLE]
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| 336 | */
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| 337 | LPMALLOC
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| 338 | IMalloc_Constructor() {
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| 339 | IMalloc32Impl* This;
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| 340 |
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| 341 | This = (IMalloc32Impl*)HeapAlloc(GetProcessHeap(),0,sizeof(IMalloc32Impl));
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| 342 | ICOM_VTBL(This) = &VT_IMalloc32;
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| 343 | This->ref = 1;
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| 344 | return (LPMALLOC)This;
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| 345 | }
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| 346 |
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| 347 | /****************************************************************************
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| 348 | * API Functions
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| 349 | */
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| 350 |
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| 351 | /******************************************************************************
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| 352 | * IsValidInterface [OLE32.78]
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| 353 | *
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| 354 | * RETURNS
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| 355 | * True, if the passed pointer is a valid interface
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| 356 | */
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| 357 | BOOL WINAPI IsValidInterface(
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| 358 | LPUNKNOWN punk /* [in] interface to be tested */
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| 359 | ) {
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| 360 | return !(
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| 361 | IsBadReadPtr(punk,4) ||
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| 362 | IsBadReadPtr(ICOM_VTBL(punk),4) ||
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| 363 | #ifdef __WIN32OS2__
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| 364 | IsBadReadPtr(ICOM_VTBL(punk)->fnQueryInterface,9) ||
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| 365 | IsBadCodePtr((FARPROC)ICOM_VTBL(punk)->fnQueryInterface)
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| 366 | #else
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| 367 | IsBadReadPtr(ICOM_VTBL(punk)->QueryInterface,9) ||
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| 368 | IsBadCodePtr((FARPROC)ICOM_VTBL(punk)->QueryInterface)
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| 369 | #endif
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| 370 | );
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| 371 | }
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