source: trunk/src/ole32/ifs.c@ 8441

Last change on this file since 8441 was 8441, checked in by sandervl, 23 years ago

Wine resync
File size: 10.9 KB
Line 
1/*
2 * basic interfaces
3 *
4 * Copyright 1997 Marcus Meissner
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21#include "config.h"
22
23#include <ctype.h>
24#include <stdlib.h>
25#include <string.h>
26#include <assert.h>
27
28#include "ole2.h"
29#include "windef.h"
30#include "winerror.h"
31
32#include "wine/obj_base.h"
33#include "wine/winbase16.h"
34#include "ifs.h"
35
36#include "wine/debug.h"
37
38WINE_DEFAULT_DEBUG_CHANNEL(relay);
39
40/* --- IUnknown implementation */
41
42typedef struct
43{
44 /* IUnknown fields */
45 ICOM_VFIELD(IUnknown);
46 DWORD ref;
47} IUnknownImpl;
48
49/******************************************************************************
50 * IUnknown_AddRef [VTABLE:IUNKNOWN.1]
51 */
52static ULONG WINAPI IUnknown_fnAddRef(LPUNKNOWN iface) {
53 ICOM_THIS(IUnknownImpl,iface);
54 TRACE("(%p)->AddRef()\n",This);
55 return ++(This->ref);
56}
57
58/******************************************************************************
59 * IUnknown_Release [VTABLE:IUNKNOWN.2]
60 */
61static ULONG WINAPI IUnknown_fnRelease(LPUNKNOWN iface) {
62 ICOM_THIS(IUnknownImpl,iface);
63 TRACE("(%p)->Release()\n",This);
64 if (!--(This->ref)) {
65 HeapFree(GetProcessHeap(),0,This);
66 return 0;
67 }
68 return This->ref;
69}
70
71/******************************************************************************
72 * IUnknown_QueryInterface [VTABLE:IUNKNOWN.0]
73 */
74static HRESULT WINAPI IUnknown_fnQueryInterface(LPUNKNOWN iface,REFIID refiid,LPVOID *obj) {
75 ICOM_THIS(IUnknownImpl,iface);
76
77 TRACE("(%p)->QueryInterface(%s,%p)\n",This,debugstr_guid(refiid),obj);
78
79 if (!memcmp(&IID_IUnknown,refiid,sizeof(IID_IUnknown))) {
80 *obj = This;
81 return 0;
82 }
83 return OLE_E_ENUM_NOMORE;
84}
85
86static ICOM_VTABLE(IUnknown) uvt =
87{
88 ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
89 IUnknown_fnQueryInterface,
90 IUnknown_fnAddRef,
91 IUnknown_fnRelease
92};
93
94/******************************************************************************
95 * IUnknown_Constructor [INTERNAL]
96 */
97LPUNKNOWN
98IUnknown_Constructor() {
99 IUnknownImpl* unk;
100
101 unk = (IUnknownImpl*)HeapAlloc(GetProcessHeap(),0,sizeof(IUnknownImpl));
102 ICOM_VTBL(unk) = &uvt;
103 unk->ref = 1;
104 return (LPUNKNOWN)unk;
105}
106
107#ifndef __WIN32OS2__
108/* --- IMalloc16 implementation */
109
110
111typedef struct
112{
113 /* IUnknown fields */
114 ICOM_VFIELD(IMalloc16);
115 DWORD ref;
116 /* IMalloc16 fields */
117} IMalloc16Impl;
118
119/******************************************************************************
120 * IMalloc16_QueryInterface [COMPOBJ.500]
121 */
122HRESULT WINAPI IMalloc16_fnQueryInterface(IMalloc16* iface,REFIID refiid,LPVOID *obj) {
123 ICOM_THIS(IMalloc16Impl,iface);
124
125 TRACE("(%p)->QueryInterface(%s,%p)\n",This,debugstr_guid(refiid),obj);
126 if ( !memcmp(&IID_IUnknown,refiid,sizeof(IID_IUnknown)) ||
127 !memcmp(&IID_IMalloc,refiid,sizeof(IID_IMalloc))
128 ) {
129 *obj = This;
130 return 0;
131 }
132 return OLE_E_ENUM_NOMORE;
133}
134
135/******************************************************************************
136 * IMalloc16_AddRef [COMPOBJ.501]
137 */
138ULONG WINAPI IMalloc16_fnAddRef(IMalloc16* iface) {
139 ICOM_THIS(IMalloc16Impl,iface);
140 TRACE("(%p)->AddRef()\n",This);
141 return 1; /* cannot be freed */
142}
143
144/******************************************************************************
145 * IMalloc16_Release [COMPOBJ.502]
146 */
147ULONG WINAPI IMalloc16_fnRelease(IMalloc16* iface) {
148 ICOM_THIS(IMalloc16Impl,iface);
149 TRACE("(%p)->Release()\n",This);
150 return 1; /* cannot be freed */
151}
152
153/******************************************************************************
154 * IMalloc16_Alloc [COMPOBJ.503]
155 */
156SEGPTR WINAPI IMalloc16_fnAlloc(IMalloc16* iface,DWORD cb) {
157 ICOM_THIS(IMalloc16Impl,iface);
158 TRACE("(%p)->Alloc(%ld)\n",This,cb);
159 return MapLS( HeapAlloc( GetProcessHeap(), 0, cb ) );
160}
161
162/******************************************************************************
163 * IMalloc16_Realloc [COMPOBJ.504]
164 */
165SEGPTR WINAPI IMalloc16_fnRealloc(IMalloc16* iface,SEGPTR pv,DWORD cb)
166{
167 SEGPTR ret;
168 ICOM_THIS(IMalloc16Impl,iface);
169 TRACE("(%p)->Realloc(%08lx,%ld)\n",This,pv,cb);
170 ret = MapLS( HeapReAlloc( GetProcessHeap(), 0, MapSL(pv), cb ) );
171 UnMapLS(pv);
172 return ret;
173}
174
175/******************************************************************************
176 * IMalloc16_Free [COMPOBJ.505]
177 */
178VOID WINAPI IMalloc16_fnFree(IMalloc16* iface,SEGPTR pv)
179{
180 void *ptr = MapSL(pv);
181 ICOM_THIS(IMalloc16Impl,iface);
182 TRACE("(%p)->Free(%08lx)\n",This,pv);
183 UnMapLS(pv);
184 HeapFree( GetProcessHeap(), 0, ptr );
185}
186
187/******************************************************************************
188 * IMalloc16_GetSize [COMPOBJ.506]
189 */
190DWORD WINAPI IMalloc16_fnGetSize(const IMalloc16* iface,SEGPTR pv)
191{
192 ICOM_CTHIS(IMalloc16Impl,iface);
193 TRACE("(%p)->GetSize(%08lx)\n",This,pv);
194 return HeapSize( GetProcessHeap(), 0, MapSL(pv) );
195}
196
197/******************************************************************************
198 * IMalloc16_DidAlloc [COMPOBJ.507]
199 */
200INT16 WINAPI IMalloc16_fnDidAlloc(const IMalloc16* iface,LPVOID pv) {
201 ICOM_CTHIS(IMalloc16,iface);
202 TRACE("(%p)->DidAlloc(%p)\n",This,pv);
203 return (INT16)-1;
204}
205
206/******************************************************************************
207 * IMalloc16_HeapMinimize [COMPOBJ.508]
208 */
209LPVOID WINAPI IMalloc16_fnHeapMinimize(IMalloc16* iface) {
210 ICOM_THIS(IMalloc16Impl,iface);
211 TRACE("(%p)->HeapMinimize()\n",This);
212 return NULL;
213}
214
215/******************************************************************************
216 * IMalloc16_Constructor [VTABLE]
217 */
218LPMALLOC16
219IMalloc16_Constructor()
220{
221 static ICOM_VTABLE(IMalloc16) vt16;
222 static SEGPTR msegvt16;
223 IMalloc16Impl* This;
224 HMODULE16 hcomp = GetModuleHandle16("COMPOBJ");
225
226 This = HeapAlloc( GetProcessHeap(), 0, sizeof(IMalloc16Impl) );
227 if (!msegvt16)
228 {
229#define VTENT(x) vt16.x = (void*)GetProcAddress16(hcomp,"IMalloc16_"#x);assert(vt16.x)
230 VTENT(QueryInterface);
231 VTENT(AddRef);
232 VTENT(Release);
233 VTENT(Alloc);
234 VTENT(Realloc);
235 VTENT(Free);
236 VTENT(GetSize);
237 VTENT(DidAlloc);
238 VTENT(HeapMinimize);
239#undef VTENT
240 msegvt16 = MapLS( &vt16 );
241 }
242 ICOM_VTBL(This) = (ICOM_VTABLE(IMalloc16)*)msegvt16;
243 This->ref = 1;
244 return (LPMALLOC16)MapLS( This );
245}
246#endif
247
248/* --- IMalloc32 implementation */
249
250typedef struct
251{
252 /* IUnknown fields */
253 ICOM_VFIELD(IMalloc);
254 DWORD ref;
255} IMalloc32Impl;
256
257/******************************************************************************
258 * IMalloc32_QueryInterface [VTABLE]
259 */
260static HRESULT WINAPI IMalloc_fnQueryInterface(LPMALLOC iface,REFIID refiid,LPVOID *obj) {
261 ICOM_THIS(IMalloc32Impl,iface);
262
263 TRACE("(%p)->QueryInterface(%s,%p)\n",This,debugstr_guid(refiid),obj);
264 if ( !memcmp(&IID_IUnknown,refiid,sizeof(IID_IUnknown)) ||
265 !memcmp(&IID_IMalloc,refiid,sizeof(IID_IMalloc))
266 ) {
267 *obj = This;
268 return S_OK;
269 }
270 return OLE_E_ENUM_NOMORE;
271}
272
273/******************************************************************************
274 * IMalloc32_AddRef [VTABLE]
275 */
276static ULONG WINAPI IMalloc_fnAddRef(LPMALLOC iface) {
277 ICOM_THIS(IMalloc32Impl,iface);
278 TRACE("(%p)->AddRef()\n",This);
279 return 1; /* cannot be freed */
280}
281
282/******************************************************************************
283 * IMalloc32_Release [VTABLE]
284 */
285static ULONG WINAPI IMalloc_fnRelease(LPMALLOC iface) {
286 ICOM_THIS(IMalloc32Impl,iface);
287 TRACE("(%p)->Release()\n",This);
288 return 1; /* cannot be freed */
289}
290
291/******************************************************************************
292 * IMalloc32_Alloc [VTABLE]
293 */
294static LPVOID WINAPI IMalloc_fnAlloc(LPMALLOC iface,DWORD cb) {
295 LPVOID addr;
296 ICOM_THIS(IMalloc32Impl,iface);
297 addr = HeapAlloc(GetProcessHeap(),0,cb);
298 TRACE("(%p)->Alloc(%ld) -> %p\n",This,cb,addr);
299 return addr;
300}
301
302/******************************************************************************
303 * IMalloc32_Realloc [VTABLE]
304 */
305static LPVOID WINAPI IMalloc_fnRealloc(LPMALLOC iface,LPVOID pv,DWORD cb) {
306 ICOM_THIS(IMalloc32Impl,iface);
307 TRACE("(%p)->Realloc(%p,%ld)\n",This,pv,cb);
308 return HeapReAlloc(GetProcessHeap(),0,pv,cb);
309}
310
311/******************************************************************************
312 * IMalloc32_Free [VTABLE]
313 */
314static VOID WINAPI IMalloc_fnFree(LPMALLOC iface,LPVOID pv) {
315 ICOM_THIS(IMalloc32Impl,iface);
316 TRACE("(%p)->Free(%p)\n",This,pv);
317 HeapFree(GetProcessHeap(),0,pv);
318}
319
320/******************************************************************************
321 * IMalloc32_GetSize [VTABLE]
322 */
323static DWORD WINAPI IMalloc_fnGetSize(LPMALLOC iface,LPVOID pv) {
324 ICOM_CTHIS(IMalloc,iface);
325 TRACE("(%p)->GetSize(%p)\n",This,pv);
326 return HeapSize(GetProcessHeap(),0,pv);
327}
328
329/******************************************************************************
330 * IMalloc32_DidAlloc [VTABLE]
331 */
332static INT WINAPI IMalloc_fnDidAlloc(LPMALLOC iface,LPVOID pv) {
333 ICOM_CTHIS(IMalloc32Impl,iface);
334 TRACE("(%p)->DidAlloc(%p)\n",This,pv);
335 return -1;
336}
337
338/******************************************************************************
339 * IMalloc32_HeapMinimize [VTABLE]
340 */
341static VOID WINAPI IMalloc_fnHeapMinimize(LPMALLOC iface) {
342 ICOM_THIS(IMalloc32Impl,iface);
343 TRACE("(%p)->HeapMinimize()\n",This);
344}
345
346static ICOM_VTABLE(IMalloc) VT_IMalloc32 =
347{
348 ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
349 IMalloc_fnQueryInterface,
350 IMalloc_fnAddRef,
351 IMalloc_fnRelease,
352 IMalloc_fnAlloc,
353 IMalloc_fnRealloc,
354 IMalloc_fnFree,
355 IMalloc_fnGetSize,
356 IMalloc_fnDidAlloc,
357 IMalloc_fnHeapMinimize
358};
359
360/******************************************************************************
361 * IMalloc32_Constructor [VTABLE]
362 */
363LPMALLOC
364IMalloc_Constructor() {
365 IMalloc32Impl* This;
366
367 This = (IMalloc32Impl*)HeapAlloc(GetProcessHeap(),0,sizeof(IMalloc32Impl));
368 ICOM_VTBL(This) = &VT_IMalloc32;
369 This->ref = 1;
370 return (LPMALLOC)This;
371}
372
373/****************************************************************************
374 * API Functions
375 */
376
377/******************************************************************************
378 * IsValidInterface [OLE32.78]
379 *
380 * RETURNS
381 * True, if the passed pointer is a valid interface
382 */
383BOOL WINAPI IsValidInterface(
384 LPUNKNOWN punk /* [in] interface to be tested */
385) {
386 return !(
387 IsBadReadPtr(punk,4) ||
388 IsBadReadPtr(ICOM_VTBL(punk),4) ||
389#ifdef __WIN32OS2__
390 IsBadReadPtr(ICOM_VTBL(punk)->fnQueryInterface,9) ||
391 IsBadCodePtr((FARPROC)ICOM_VTBL(punk)->fnQueryInterface)
392#else
393 IsBadReadPtr(ICOM_VTBL(punk)->QueryInterface,9) ||
394 IsBadCodePtr((FARPROC)ICOM_VTBL(punk)->QueryInterface)
395#endif
396 );
397}
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