| 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 "config.h"
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| 8 |
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| 9 | #include <ctype.h>
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| 10 | #include <stdlib.h>
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| 11 | #include <string.h>
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| 12 | #include <assert.h>
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| 13 |
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| 14 | #include "ole2.h"
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| 15 | #include "windef.h"
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| 16 | #include "winerror.h"
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| 17 |
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| 18 | #include "wine/obj_base.h"
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| 19 | #include "wine/winbase16.h"
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| 20 | #include "ifs.h"
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| 21 |
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| 22 | #include "debugtools.h"
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| 23 |
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| 24 | DEFAULT_DEBUG_CHANNEL(relay);
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| 25 |
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| 26 | /* --- IUnknown implementation */
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| 27 |
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| 28 | typedef struct
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| 29 | {
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| 30 | /* IUnknown fields */
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| 31 | ICOM_VFIELD(IUnknown);
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| 32 | DWORD ref;
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| 33 | } IUnknownImpl;
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| 34 |
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| 35 | /******************************************************************************
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| 36 | * IUnknown_AddRef [VTABLE:IUNKNOWN.1]
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| 37 | */
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| 38 | static ULONG WINAPI IUnknown_fnAddRef(LPUNKNOWN iface) {
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| 39 | ICOM_THIS(IUnknownImpl,iface);
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| 40 | TRACE("(%p)->AddRef()\n",This);
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| 41 | return ++(This->ref);
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| 42 | }
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| 43 |
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| 44 | /******************************************************************************
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| 45 | * IUnknown_Release [VTABLE:IUNKNOWN.2]
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| 46 | */
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| 47 | static ULONG WINAPI IUnknown_fnRelease(LPUNKNOWN iface) {
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| 48 | ICOM_THIS(IUnknownImpl,iface);
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| 49 | TRACE("(%p)->Release()\n",This);
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| 50 | if (!--(This->ref)) {
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| 51 | HeapFree(GetProcessHeap(),0,This);
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| 52 | return 0;
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| 53 | }
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| 54 | return This->ref;
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| 55 | }
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| 56 |
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| 57 | /******************************************************************************
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| 58 | * IUnknown_QueryInterface [VTABLE:IUNKNOWN.0]
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| 59 | */
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| 60 | static HRESULT WINAPI IUnknown_fnQueryInterface(LPUNKNOWN iface,REFIID refiid,LPVOID *obj) {
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| 61 | ICOM_THIS(IUnknownImpl,iface);
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| 62 |
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| 63 | TRACE("(%p)->QueryInterface(%s,%p)\n",This,debugstr_guid(refiid),obj);
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| 64 |
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| 65 | if (!memcmp(&IID_IUnknown,refiid,sizeof(IID_IUnknown))) {
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| 66 | *obj = This;
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| 67 | return 0;
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| 68 | }
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| 69 | return OLE_E_ENUM_NOMORE;
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| 70 | }
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| 71 |
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| 72 | static ICOM_VTABLE(IUnknown) uvt =
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| 73 | {
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| 74 | ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
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| 75 | IUnknown_fnQueryInterface,
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| 76 | IUnknown_fnAddRef,
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| 77 | IUnknown_fnRelease
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| 78 | };
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| 79 |
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| 80 | /******************************************************************************
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| 81 | * IUnknown_Constructor [INTERNAL]
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| 82 | */
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| 83 | LPUNKNOWN
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| 84 | IUnknown_Constructor() {
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| 85 | IUnknownImpl* unk;
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| 86 |
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| 87 | unk = (IUnknownImpl*)HeapAlloc(GetProcessHeap(),0,sizeof(IUnknownImpl));
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| 88 | ICOM_VTBL(unk) = &uvt;
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| 89 | unk->ref = 1;
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| 90 | return (LPUNKNOWN)unk;
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| 91 | }
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| 92 |
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| 93 | #ifndef __WIN32OS2__
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| 94 | /* --- IMalloc16 implementation */
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| 95 |
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| 96 |
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| 97 | typedef struct
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| 98 | {
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| 99 | /* IUnknown fields */
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| 100 | ICOM_VFIELD(IMalloc16);
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| 101 | DWORD ref;
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| 102 | /* IMalloc16 fields */
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| 103 | } IMalloc16Impl;
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| 104 |
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| 105 | /******************************************************************************
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| 106 | * IMalloc16_QueryInterface [COMPOBJ.500]
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| 107 | */
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| 108 | HRESULT WINAPI IMalloc16_fnQueryInterface(IMalloc16* iface,REFIID refiid,LPVOID *obj) {
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| 109 | ICOM_THIS(IMalloc16Impl,iface);
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| 110 |
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| 111 | TRACE("(%p)->QueryInterface(%s,%p)\n",This,debugstr_guid(refiid),obj);
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| 112 | if ( !memcmp(&IID_IUnknown,refiid,sizeof(IID_IUnknown)) ||
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| 113 | !memcmp(&IID_IMalloc,refiid,sizeof(IID_IMalloc))
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| 114 | ) {
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| 115 | *obj = This;
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| 116 | return 0;
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| 117 | }
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| 118 | return OLE_E_ENUM_NOMORE;
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| 119 | }
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| 120 |
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| 121 | /******************************************************************************
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| 122 | * IMalloc16_AddRef [COMPOBJ.501]
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| 123 | */
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| 124 | ULONG WINAPI IMalloc16_fnAddRef(IMalloc16* iface) {
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| 125 | ICOM_THIS(IMalloc16Impl,iface);
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| 126 | TRACE("(%p)->AddRef()\n",This);
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| 127 | return 1; /* cannot be freed */
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| 128 | }
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| 129 |
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| 130 | /******************************************************************************
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| 131 | * IMalloc16_Release [COMPOBJ.502]
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| 132 | */
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| 133 | ULONG WINAPI IMalloc16_fnRelease(IMalloc16* iface) {
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| 134 | ICOM_THIS(IMalloc16Impl,iface);
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| 135 | TRACE("(%p)->Release()\n",This);
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| 136 | return 1; /* cannot be freed */
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| 137 | }
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| 138 |
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| 139 | /******************************************************************************
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| 140 | * IMalloc16_Alloc [COMPOBJ.503]
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| 141 | */
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| 142 | SEGPTR WINAPI IMalloc16_fnAlloc(IMalloc16* iface,DWORD cb) {
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| 143 | ICOM_THIS(IMalloc16Impl,iface);
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| 144 | TRACE("(%p)->Alloc(%ld)\n",This,cb);
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| 145 | return MapLS( HeapAlloc( GetProcessHeap(), 0, cb ) );
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| 146 | }
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| 147 |
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| 148 | /******************************************************************************
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| 149 | * IMalloc16_Realloc [COMPOBJ.504]
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| 150 | */
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| 151 | SEGPTR WINAPI IMalloc16_fnRealloc(IMalloc16* iface,SEGPTR pv,DWORD cb)
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| 152 | {
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| 153 | SEGPTR ret;
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| 154 | ICOM_THIS(IMalloc16Impl,iface);
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| 155 | TRACE("(%p)->Realloc(%08lx,%ld)\n",This,pv,cb);
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| 156 | ret = MapLS( HeapReAlloc( GetProcessHeap(), 0, MapSL(pv), cb ) );
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| 157 | UnMapLS(pv);
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| 158 | return ret;
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| 159 | }
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| 160 |
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| 161 | /******************************************************************************
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| 162 | * IMalloc16_Free [COMPOBJ.505]
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| 163 | */
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| 164 | VOID WINAPI IMalloc16_fnFree(IMalloc16* iface,SEGPTR pv)
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| 165 | {
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| 166 | void *ptr = MapSL(pv);
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| 167 | ICOM_THIS(IMalloc16Impl,iface);
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| 168 | TRACE("(%p)->Free(%08lx)\n",This,pv);
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| 169 | UnMapLS(pv);
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| 170 | HeapFree( GetProcessHeap(), 0, ptr );
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| 171 | }
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| 172 |
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| 173 | /******************************************************************************
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| 174 | * IMalloc16_GetSize [COMPOBJ.506]
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| 175 | */
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| 176 | DWORD WINAPI IMalloc16_fnGetSize(const IMalloc16* iface,SEGPTR pv)
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| 177 | {
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| 178 | ICOM_CTHIS(IMalloc16Impl,iface);
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| 179 | TRACE("(%p)->GetSize(%08lx)\n",This,pv);
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| 180 | return HeapSize( GetProcessHeap(), 0, MapSL(pv) );
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| 181 | }
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| 182 |
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| 183 | /******************************************************************************
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| 184 | * IMalloc16_DidAlloc [COMPOBJ.507]
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| 185 | */
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| 186 | INT16 WINAPI IMalloc16_fnDidAlloc(const IMalloc16* iface,LPVOID pv) {
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| 187 | ICOM_CTHIS(IMalloc16,iface);
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| 188 | TRACE("(%p)->DidAlloc(%p)\n",This,pv);
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| 189 | return (INT16)-1;
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| 190 | }
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| 191 |
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| 192 | /******************************************************************************
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| 193 | * IMalloc16_HeapMinimize [COMPOBJ.508]
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| 194 | */
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| 195 | LPVOID WINAPI IMalloc16_fnHeapMinimize(IMalloc16* iface) {
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| 196 | ICOM_THIS(IMalloc16Impl,iface);
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| 197 | TRACE("(%p)->HeapMinimize()\n",This);
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| 198 | return NULL;
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| 199 | }
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| 200 |
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| 201 | /******************************************************************************
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| 202 | * IMalloc16_Constructor [VTABLE]
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| 203 | */
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| 204 | LPMALLOC16
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| 205 | IMalloc16_Constructor()
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| 206 | {
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| 207 | static ICOM_VTABLE(IMalloc16) vt16;
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| 208 | static SEGPTR msegvt16;
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| 209 | IMalloc16Impl* This;
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| 210 | HMODULE16 hcomp = GetModuleHandle16("COMPOBJ");
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| 211 |
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| 212 | This = HeapAlloc( GetProcessHeap(), 0, sizeof(IMalloc16Impl) );
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| 213 | if (!msegvt16)
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| 214 | {
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| 215 | #define VTENT(x) vt16.x = (void*)GetProcAddress16(hcomp,"IMalloc16_"#x);assert(vt16.x)
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| 216 | VTENT(QueryInterface);
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| 217 | VTENT(AddRef);
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| 218 | VTENT(Release);
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| 219 | VTENT(Alloc);
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| 220 | VTENT(Realloc);
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| 221 | VTENT(Free);
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| 222 | VTENT(GetSize);
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| 223 | VTENT(DidAlloc);
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| 224 | VTENT(HeapMinimize);
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| 225 | #undef VTENT
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| 226 | msegvt16 = MapLS( &vt16 );
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| 227 | }
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| 228 | ICOM_VTBL(This) = (ICOM_VTABLE(IMalloc16)*)msegvt16;
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| 229 | This->ref = 1;
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| 230 | return (LPMALLOC16)MapLS( This );
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| 231 | }
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| 232 | #endif
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| 233 |
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| 234 | /* --- IMalloc32 implementation */
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| 235 |
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| 236 | typedef struct
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| 237 | {
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| 238 | /* IUnknown fields */
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| 239 | ICOM_VFIELD(IMalloc);
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| 240 | DWORD ref;
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| 241 | } IMalloc32Impl;
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| 242 |
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| 243 | /******************************************************************************
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| 244 | * IMalloc32_QueryInterface [VTABLE]
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| 245 | */
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| 246 | static HRESULT WINAPI IMalloc_fnQueryInterface(LPMALLOC iface,REFIID refiid,LPVOID *obj) {
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| 247 | ICOM_THIS(IMalloc32Impl,iface);
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| 248 |
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| 249 | TRACE("(%p)->QueryInterface(%s,%p)\n",This,debugstr_guid(refiid),obj);
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| 250 | if ( !memcmp(&IID_IUnknown,refiid,sizeof(IID_IUnknown)) ||
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| 251 | !memcmp(&IID_IMalloc,refiid,sizeof(IID_IMalloc))
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| 252 | ) {
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| 253 | *obj = This;
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| 254 | return S_OK;
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| 255 | }
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| 256 | return OLE_E_ENUM_NOMORE;
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| 257 | }
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| 258 |
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| 259 | /******************************************************************************
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| 260 | * IMalloc32_AddRef [VTABLE]
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| 261 | */
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| 262 | static ULONG WINAPI IMalloc_fnAddRef(LPMALLOC iface) {
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| 263 | ICOM_THIS(IMalloc32Impl,iface);
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| 264 | TRACE("(%p)->AddRef()\n",This);
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| 265 | return 1; /* cannot be freed */
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| 266 | }
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| 267 |
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| 268 | /******************************************************************************
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| 269 | * IMalloc32_Release [VTABLE]
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| 270 | */
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| 271 | static ULONG WINAPI IMalloc_fnRelease(LPMALLOC iface) {
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| 272 | ICOM_THIS(IMalloc32Impl,iface);
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| 273 | TRACE("(%p)->Release()\n",This);
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| 274 | return 1; /* cannot be freed */
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| 275 | }
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| 276 |
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| 277 | /******************************************************************************
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| 278 | * IMalloc32_Alloc [VTABLE]
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| 279 | */
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| 280 | static LPVOID WINAPI IMalloc_fnAlloc(LPMALLOC iface,DWORD cb) {
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| 281 | LPVOID addr;
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| 282 | ICOM_THIS(IMalloc32Impl,iface);
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| 283 | addr = HeapAlloc(GetProcessHeap(),0,cb);
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| 284 | TRACE("(%p)->Alloc(%ld) -> %p\n",This,cb,addr);
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| 285 | return addr;
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| 286 | }
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| 287 |
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| 288 | /******************************************************************************
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| 289 | * IMalloc32_Realloc [VTABLE]
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| 290 | */
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| 291 | static LPVOID WINAPI IMalloc_fnRealloc(LPMALLOC iface,LPVOID pv,DWORD cb) {
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| 292 | ICOM_THIS(IMalloc32Impl,iface);
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| 293 | TRACE("(%p)->Realloc(%p,%ld)\n",This,pv,cb);
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| 294 | return HeapReAlloc(GetProcessHeap(),0,pv,cb);
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| 295 | }
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| 296 |
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| 297 | /******************************************************************************
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| 298 | * IMalloc32_Free [VTABLE]
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| 299 | */
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| 300 | static VOID WINAPI IMalloc_fnFree(LPMALLOC iface,LPVOID pv) {
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| 301 | ICOM_THIS(IMalloc32Impl,iface);
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| 302 | TRACE("(%p)->Free(%p)\n",This,pv);
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| 303 | HeapFree(GetProcessHeap(),0,pv);
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| 304 | }
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| 305 |
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| 306 | /******************************************************************************
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| 307 | * IMalloc32_GetSize [VTABLE]
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| 308 | */
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| 309 | static DWORD WINAPI IMalloc_fnGetSize(LPMALLOC iface,LPVOID pv) {
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| 310 | ICOM_CTHIS(IMalloc,iface);
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| 311 | TRACE("(%p)->GetSize(%p)\n",This,pv);
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| 312 | return HeapSize(GetProcessHeap(),0,pv);
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| 313 | }
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| 314 |
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| 315 | /******************************************************************************
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| 316 | * IMalloc32_DidAlloc [VTABLE]
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| 317 | */
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| 318 | static INT WINAPI IMalloc_fnDidAlloc(LPMALLOC iface,LPVOID pv) {
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| 319 | ICOM_CTHIS(IMalloc32Impl,iface);
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| 320 | TRACE("(%p)->DidAlloc(%p)\n",This,pv);
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| 321 | return -1;
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| 322 | }
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| 323 |
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| 324 | /******************************************************************************
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| 325 | * IMalloc32_HeapMinimize [VTABLE]
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| 326 | */
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| 327 | static VOID WINAPI IMalloc_fnHeapMinimize(LPMALLOC iface) {
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| 328 | ICOM_THIS(IMalloc32Impl,iface);
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| 329 | TRACE("(%p)->HeapMinimize()\n",This);
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| 330 | }
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| 331 |
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| 332 | static ICOM_VTABLE(IMalloc) VT_IMalloc32 =
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| 333 | {
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| 334 | ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
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| 335 | IMalloc_fnQueryInterface,
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| 336 | IMalloc_fnAddRef,
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| 337 | IMalloc_fnRelease,
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| 338 | IMalloc_fnAlloc,
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| 339 | IMalloc_fnRealloc,
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| 340 | IMalloc_fnFree,
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| 341 | IMalloc_fnGetSize,
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| 342 | IMalloc_fnDidAlloc,
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| 343 | IMalloc_fnHeapMinimize
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| 344 | };
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| 345 |
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| 346 | /******************************************************************************
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| 347 | * IMalloc32_Constructor [VTABLE]
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| 348 | */
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| 349 | LPMALLOC
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| 350 | IMalloc_Constructor() {
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| 351 | IMalloc32Impl* This;
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| 352 |
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| 353 | This = (IMalloc32Impl*)HeapAlloc(GetProcessHeap(),0,sizeof(IMalloc32Impl));
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| 354 | ICOM_VTBL(This) = &VT_IMalloc32;
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| 355 | This->ref = 1;
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| 356 | return (LPMALLOC)This;
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| 357 | }
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| 358 |
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| 359 | /****************************************************************************
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| 360 | * API Functions
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| 361 | */
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| 362 |
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| 363 | /******************************************************************************
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| 364 | * IsValidInterface [OLE32.78]
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| 365 | *
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| 366 | * RETURNS
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| 367 | * True, if the passed pointer is a valid interface
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| 368 | */
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| 369 | BOOL WINAPI IsValidInterface(
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| 370 | LPUNKNOWN punk /* [in] interface to be tested */
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| 371 | ) {
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| 372 | return !(
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| 373 | IsBadReadPtr(punk,4) ||
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| 374 | IsBadReadPtr(ICOM_VTBL(punk),4) ||
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| 375 | #ifdef __WIN32OS2__
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| 376 | IsBadReadPtr(ICOM_VTBL(punk)->fnQueryInterface,9) ||
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| 377 | IsBadCodePtr((FARPROC)ICOM_VTBL(punk)->fnQueryInterface)
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| 378 | #else
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| 379 | IsBadReadPtr(ICOM_VTBL(punk)->QueryInterface,9) ||
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| 380 | IsBadCodePtr((FARPROC)ICOM_VTBL(punk)->QueryInterface)
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| 381 | #endif
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| 382 | );
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| 383 | }
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