File: | render/animcur.c |
Location: | line 358, column 24 |
Description: | Access to field 'foreRed' results in a dereference of a null pointer |
1 | /* | |||
2 | * | |||
3 | * Copyright © 2002 Keith Packard, member of The XFree86 Project, Inc. | |||
4 | * | |||
5 | * Permission to use, copy, modify, distribute, and sell this software and its | |||
6 | * documentation for any purpose is hereby granted without fee, provided that | |||
7 | * the above copyright notice appear in all copies and that both that | |||
8 | * copyright notice and this permission notice appear in supporting | |||
9 | * documentation, and that the name of Keith Packard not be used in | |||
10 | * advertising or publicity pertaining to distribution of the software without | |||
11 | * specific, written prior permission. Keith Packard makes no | |||
12 | * representations about the suitability of this software for any purpose. It | |||
13 | * is provided "as is" without express or implied warranty. | |||
14 | * | |||
15 | * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |||
16 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |||
17 | * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR | |||
18 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, | |||
19 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER | |||
20 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR | |||
21 | * PERFORMANCE OF THIS SOFTWARE. | |||
22 | */ | |||
23 | ||||
24 | /* | |||
25 | * Animated cursors for X. Not specific to Render in any way, but | |||
26 | * stuck there because Render has the other cool cursor extension. | |||
27 | * Besides, everyone has Render. | |||
28 | * | |||
29 | * Implemented as a simple layer over the core cursor code; it | |||
30 | * creates composite cursors out of a set of static cursors and | |||
31 | * delta times between each image. | |||
32 | */ | |||
33 | ||||
34 | #ifdef HAVE_DIX_CONFIG_H1 | |||
35 | #include <dix-config.h> | |||
36 | #endif | |||
37 | ||||
38 | #include <X11/X.h> | |||
39 | #include <X11/Xmd.h> | |||
40 | #include "servermd.h" | |||
41 | #include "scrnintstr.h" | |||
42 | #include "dixstruct.h" | |||
43 | #include "cursorstr.h" | |||
44 | #include "dixfontstr.h" | |||
45 | #include "opaque.h" | |||
46 | #include "picturestr.h" | |||
47 | #include "inputstr.h" | |||
48 | #include "xace.h" | |||
49 | ||||
50 | typedef struct _AnimCurElt { | |||
51 | CursorPtr pCursor; /* cursor to show */ | |||
52 | CARD32 delay; /* in ms */ | |||
53 | } AnimCurElt; | |||
54 | ||||
55 | typedef struct _AnimCur { | |||
56 | int nelt; /* number of elements in the elts array */ | |||
57 | AnimCurElt *elts; /* actually allocated right after the structure */ | |||
58 | } AnimCurRec, *AnimCurPtr; | |||
59 | ||||
60 | typedef struct _AnimScrPriv { | |||
61 | CloseScreenProcPtr CloseScreen; | |||
62 | ||||
63 | ScreenBlockHandlerProcPtr BlockHandler; | |||
64 | ||||
65 | CursorLimitsProcPtr CursorLimits; | |||
66 | DisplayCursorProcPtr DisplayCursor; | |||
67 | SetCursorPositionProcPtr SetCursorPosition; | |||
68 | RealizeCursorProcPtr RealizeCursor; | |||
69 | UnrealizeCursorProcPtr UnrealizeCursor; | |||
70 | RecolorCursorProcPtr RecolorCursor; | |||
71 | } AnimCurScreenRec, *AnimCurScreenPtr; | |||
72 | ||||
73 | static unsigned char empty[4]; | |||
74 | ||||
75 | static CursorBits animCursorBits = { | |||
76 | empty, empty, 2, 1, 1, 0, 0, 1 | |||
77 | }; | |||
78 | ||||
79 | static DevPrivateKeyRec AnimCurScreenPrivateKeyRec; | |||
80 | ||||
81 | #define AnimCurScreenPrivateKey(&AnimCurScreenPrivateKeyRec) (&AnimCurScreenPrivateKeyRec) | |||
82 | ||||
83 | #define IsAnimCur(c)((c) && ((c)->bits == &animCursorBits)) ((c) && ((c)->bits == &animCursorBits)) | |||
84 | #define GetAnimCur(c)((AnimCurPtr) ((((char *)(c) + (sizeof(CursorRec) + dixPrivatesSize (PRIVATE_CURSOR)))))) ((AnimCurPtr) ((((char *)(c) + CURSOR_REC_SIZE(sizeof(CursorRec) + dixPrivatesSize(PRIVATE_CURSOR)))))) | |||
85 | #define GetAnimCurScreen(s)((AnimCurScreenPtr)dixLookupPrivate(&(s)->devPrivates, (&AnimCurScreenPrivateKeyRec))) ((AnimCurScreenPtr)dixLookupPrivate(&(s)->devPrivates, AnimCurScreenPrivateKey(&AnimCurScreenPrivateKeyRec))) | |||
86 | #define SetAnimCurScreen(s,p)dixSetPrivate(&(s)->devPrivates, (&AnimCurScreenPrivateKeyRec ), p) dixSetPrivate(&(s)->devPrivates, AnimCurScreenPrivateKey(&AnimCurScreenPrivateKeyRec), p) | |||
87 | ||||
88 | #define Wrap(as,s,elt,func)(((as)->elt = (s)->elt), (s)->elt = func) (((as)->elt = (s)->elt), (s)->elt = func) | |||
89 | #define Unwrap(as,s,elt)((s)->elt = (as)->elt) ((s)->elt = (as)->elt) | |||
90 | ||||
91 | static Bool | |||
92 | AnimCurCloseScreen(ScreenPtr pScreen) | |||
93 | { | |||
94 | AnimCurScreenPtr as = GetAnimCurScreen(pScreen)((AnimCurScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&AnimCurScreenPrivateKeyRec))); | |||
95 | Bool ret; | |||
96 | ||||
97 | Unwrap(as, pScreen, CloseScreen)((pScreen)->CloseScreen = (as)->CloseScreen); | |||
98 | ||||
99 | Unwrap(as, pScreen, CursorLimits)((pScreen)->CursorLimits = (as)->CursorLimits); | |||
100 | Unwrap(as, pScreen, DisplayCursor)((pScreen)->DisplayCursor = (as)->DisplayCursor); | |||
101 | Unwrap(as, pScreen, SetCursorPosition)((pScreen)->SetCursorPosition = (as)->SetCursorPosition ); | |||
102 | Unwrap(as, pScreen, RealizeCursor)((pScreen)->RealizeCursor = (as)->RealizeCursor); | |||
103 | Unwrap(as, pScreen, UnrealizeCursor)((pScreen)->UnrealizeCursor = (as)->UnrealizeCursor); | |||
104 | Unwrap(as, pScreen, RecolorCursor)((pScreen)->RecolorCursor = (as)->RecolorCursor); | |||
105 | SetAnimCurScreen(pScreen, 0)dixSetPrivate(&(pScreen)->devPrivates, (&AnimCurScreenPrivateKeyRec ), 0); | |||
106 | ret = (*pScreen->CloseScreen) (pScreen); | |||
107 | free(as); | |||
108 | return ret; | |||
109 | } | |||
110 | ||||
111 | static void | |||
112 | AnimCurCursorLimits(DeviceIntPtr pDev, | |||
113 | ScreenPtr pScreen, | |||
114 | CursorPtr pCursor, BoxPtr pHotBox, BoxPtr pTopLeftBox) | |||
115 | { | |||
116 | AnimCurScreenPtr as = GetAnimCurScreen(pScreen)((AnimCurScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&AnimCurScreenPrivateKeyRec))); | |||
117 | ||||
118 | Unwrap(as, pScreen, CursorLimits)((pScreen)->CursorLimits = (as)->CursorLimits); | |||
119 | if (IsAnimCur(pCursor)((pCursor) && ((pCursor)->bits == &animCursorBits ))) { | |||
120 | AnimCurPtr ac = GetAnimCur(pCursor)((AnimCurPtr) ((((char *)(pCursor) + (sizeof(CursorRec) + dixPrivatesSize (PRIVATE_CURSOR)))))); | |||
121 | ||||
122 | (*pScreen->CursorLimits) (pDev, pScreen, ac->elts[0].pCursor, | |||
123 | pHotBox, pTopLeftBox); | |||
124 | } | |||
125 | else { | |||
126 | (*pScreen->CursorLimits) (pDev, pScreen, pCursor, pHotBox, pTopLeftBox); | |||
127 | } | |||
128 | Wrap(as, pScreen, CursorLimits, AnimCurCursorLimits)(((as)->CursorLimits = (pScreen)->CursorLimits), (pScreen )->CursorLimits = AnimCurCursorLimits); | |||
129 | } | |||
130 | ||||
131 | /* | |||
132 | * This has to be a screen block handler instead of a generic | |||
133 | * block handler so that it is well ordered with respect to the DRI | |||
134 | * block handler responsible for releasing the hardware to DRI clients | |||
135 | */ | |||
136 | ||||
137 | static void | |||
138 | AnimCurScreenBlockHandler(ScreenPtr pScreen, | |||
139 | void *pTimeout, void *pReadmask) | |||
140 | { | |||
141 | AnimCurScreenPtr as = GetAnimCurScreen(pScreen)((AnimCurScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&AnimCurScreenPrivateKeyRec))); | |||
142 | DeviceIntPtr dev; | |||
143 | Bool activeDevice = FALSE0; | |||
144 | CARD32 now = 0, soonest = ~0; /* earliest time to wakeup again */ | |||
145 | ||||
146 | Unwrap(as, pScreen, BlockHandler)((pScreen)->BlockHandler = (as)->BlockHandler); | |||
147 | ||||
148 | for (dev = inputInfo.devices; dev; dev = dev->next) { | |||
149 | if (IsPointerDevice(dev) && pScreen == dev->spriteInfo->anim.pScreen) { | |||
150 | if (!activeDevice) { | |||
151 | now = GetTimeInMillis(); | |||
152 | activeDevice = TRUE1; | |||
153 | } | |||
154 | ||||
155 | if ((INT32) (now - dev->spriteInfo->anim.time) >= 0) { | |||
156 | AnimCurPtr ac = GetAnimCur(dev->spriteInfo->anim.pCursor)((AnimCurPtr) ((((char *)(dev->spriteInfo->anim.pCursor ) + (sizeof(CursorRec) + dixPrivatesSize(PRIVATE_CURSOR)))))); | |||
157 | int elt = (dev->spriteInfo->anim.elt + 1) % ac->nelt; | |||
158 | DisplayCursorProcPtr DisplayCursor; | |||
159 | ||||
160 | /* | |||
161 | * Not a simple Unwrap/Wrap as this | |||
162 | * isn't called along the DisplayCursor | |||
163 | * wrapper chain. | |||
164 | */ | |||
165 | DisplayCursor = pScreen->DisplayCursor; | |||
166 | pScreen->DisplayCursor = as->DisplayCursor; | |||
167 | (void) (*pScreen->DisplayCursor) (dev, | |||
168 | pScreen, | |||
169 | ac->elts[elt].pCursor); | |||
170 | as->DisplayCursor = pScreen->DisplayCursor; | |||
171 | pScreen->DisplayCursor = DisplayCursor; | |||
172 | ||||
173 | dev->spriteInfo->anim.elt = elt; | |||
174 | dev->spriteInfo->anim.time = now + ac->elts[elt].delay; | |||
175 | } | |||
176 | ||||
177 | if (soonest > dev->spriteInfo->anim.time) | |||
178 | soonest = dev->spriteInfo->anim.time; | |||
179 | } | |||
180 | } | |||
181 | ||||
182 | if (activeDevice) | |||
183 | AdjustWaitForDelay(pTimeout, soonest - now); | |||
184 | ||||
185 | (*pScreen->BlockHandler) (pScreen, pTimeout, pReadmask); | |||
186 | if (activeDevice) | |||
187 | Wrap(as, pScreen, BlockHandler, AnimCurScreenBlockHandler)(((as)->BlockHandler = (pScreen)->BlockHandler), (pScreen )->BlockHandler = AnimCurScreenBlockHandler); | |||
188 | else | |||
189 | as->BlockHandler = NULL((void*)0); | |||
190 | } | |||
191 | ||||
192 | static Bool | |||
193 | AnimCurDisplayCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor) | |||
194 | { | |||
195 | AnimCurScreenPtr as = GetAnimCurScreen(pScreen)((AnimCurScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&AnimCurScreenPrivateKeyRec))); | |||
196 | Bool ret; | |||
197 | ||||
198 | if (IsFloating(pDev)) | |||
199 | return FALSE0; | |||
200 | ||||
201 | Unwrap(as, pScreen, DisplayCursor)((pScreen)->DisplayCursor = (as)->DisplayCursor); | |||
202 | if (IsAnimCur(pCursor)((pCursor) && ((pCursor)->bits == &animCursorBits ))) { | |||
203 | if (pCursor != pDev->spriteInfo->anim.pCursor) { | |||
204 | AnimCurPtr ac = GetAnimCur(pCursor)((AnimCurPtr) ((((char *)(pCursor) + (sizeof(CursorRec) + dixPrivatesSize (PRIVATE_CURSOR)))))); | |||
205 | ||||
206 | ret = (*pScreen->DisplayCursor) | |||
207 | (pDev, pScreen, ac->elts[0].pCursor); | |||
208 | if (ret) { | |||
209 | pDev->spriteInfo->anim.elt = 0; | |||
210 | pDev->spriteInfo->anim.time = | |||
211 | GetTimeInMillis() + ac->elts[0].delay; | |||
212 | pDev->spriteInfo->anim.pCursor = pCursor; | |||
213 | pDev->spriteInfo->anim.pScreen = pScreen; | |||
214 | ||||
215 | if (!as->BlockHandler) | |||
216 | Wrap(as, pScreen, BlockHandler, AnimCurScreenBlockHandler)(((as)->BlockHandler = (pScreen)->BlockHandler), (pScreen )->BlockHandler = AnimCurScreenBlockHandler); | |||
217 | } | |||
218 | } | |||
219 | else | |||
220 | ret = TRUE1; | |||
221 | } | |||
222 | else { | |||
223 | pDev->spriteInfo->anim.pCursor = 0; | |||
224 | pDev->spriteInfo->anim.pScreen = 0; | |||
225 | ret = (*pScreen->DisplayCursor) (pDev, pScreen, pCursor); | |||
226 | } | |||
227 | Wrap(as, pScreen, DisplayCursor, AnimCurDisplayCursor)(((as)->DisplayCursor = (pScreen)->DisplayCursor), (pScreen )->DisplayCursor = AnimCurDisplayCursor); | |||
228 | return ret; | |||
229 | } | |||
230 | ||||
231 | static Bool | |||
232 | AnimCurSetCursorPosition(DeviceIntPtr pDev, | |||
233 | ScreenPtr pScreen, int x, int y, Bool generateEvent) | |||
234 | { | |||
235 | AnimCurScreenPtr as = GetAnimCurScreen(pScreen)((AnimCurScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&AnimCurScreenPrivateKeyRec))); | |||
236 | Bool ret; | |||
237 | ||||
238 | Unwrap(as, pScreen, SetCursorPosition)((pScreen)->SetCursorPosition = (as)->SetCursorPosition ); | |||
239 | if (pDev->spriteInfo->anim.pCursor) { | |||
240 | pDev->spriteInfo->anim.pScreen = pScreen; | |||
241 | ||||
242 | if (!as->BlockHandler) | |||
243 | Wrap(as, pScreen, BlockHandler, AnimCurScreenBlockHandler)(((as)->BlockHandler = (pScreen)->BlockHandler), (pScreen )->BlockHandler = AnimCurScreenBlockHandler); | |||
244 | } | |||
245 | ret = (*pScreen->SetCursorPosition) (pDev, pScreen, x, y, generateEvent); | |||
246 | Wrap(as, pScreen, SetCursorPosition, AnimCurSetCursorPosition)(((as)->SetCursorPosition = (pScreen)->SetCursorPosition ), (pScreen)->SetCursorPosition = AnimCurSetCursorPosition ); | |||
247 | return ret; | |||
248 | } | |||
249 | ||||
250 | static Bool | |||
251 | AnimCurRealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor) | |||
252 | { | |||
253 | AnimCurScreenPtr as = GetAnimCurScreen(pScreen)((AnimCurScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&AnimCurScreenPrivateKeyRec))); | |||
254 | Bool ret; | |||
255 | ||||
256 | Unwrap(as, pScreen, RealizeCursor)((pScreen)->RealizeCursor = (as)->RealizeCursor); | |||
257 | if (IsAnimCur(pCursor)((pCursor) && ((pCursor)->bits == &animCursorBits ))) | |||
258 | ret = TRUE1; | |||
259 | else | |||
260 | ret = (*pScreen->RealizeCursor) (pDev, pScreen, pCursor); | |||
261 | Wrap(as, pScreen, RealizeCursor, AnimCurRealizeCursor)(((as)->RealizeCursor = (pScreen)->RealizeCursor), (pScreen )->RealizeCursor = AnimCurRealizeCursor); | |||
262 | return ret; | |||
263 | } | |||
264 | ||||
265 | static Bool | |||
266 | AnimCurUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor) | |||
267 | { | |||
268 | AnimCurScreenPtr as = GetAnimCurScreen(pScreen)((AnimCurScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&AnimCurScreenPrivateKeyRec))); | |||
269 | Bool ret; | |||
270 | ||||
271 | Unwrap(as, pScreen, UnrealizeCursor)((pScreen)->UnrealizeCursor = (as)->UnrealizeCursor); | |||
272 | if (IsAnimCur(pCursor)((pCursor) && ((pCursor)->bits == &animCursorBits ))) { | |||
273 | AnimCurPtr ac = GetAnimCur(pCursor)((AnimCurPtr) ((((char *)(pCursor) + (sizeof(CursorRec) + dixPrivatesSize (PRIVATE_CURSOR)))))); | |||
274 | int i; | |||
275 | ||||
276 | if (pScreen->myNum == 0) | |||
277 | for (i = 0; i < ac->nelt; i++) | |||
278 | FreeCursor(ac->elts[i].pCursor, 0); | |||
279 | ret = TRUE1; | |||
280 | } | |||
281 | else | |||
282 | ret = (*pScreen->UnrealizeCursor) (pDev, pScreen, pCursor); | |||
283 | Wrap(as, pScreen, UnrealizeCursor, AnimCurUnrealizeCursor)(((as)->UnrealizeCursor = (pScreen)->UnrealizeCursor), ( pScreen)->UnrealizeCursor = AnimCurUnrealizeCursor); | |||
284 | return ret; | |||
285 | } | |||
286 | ||||
287 | static void | |||
288 | AnimCurRecolorCursor(DeviceIntPtr pDev, | |||
289 | ScreenPtr pScreen, CursorPtr pCursor, Bool displayed) | |||
290 | { | |||
291 | AnimCurScreenPtr as = GetAnimCurScreen(pScreen)((AnimCurScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&AnimCurScreenPrivateKeyRec))); | |||
292 | ||||
293 | Unwrap(as, pScreen, RecolorCursor)((pScreen)->RecolorCursor = (as)->RecolorCursor); | |||
294 | if (IsAnimCur(pCursor)((pCursor) && ((pCursor)->bits == &animCursorBits ))) { | |||
295 | AnimCurPtr ac = GetAnimCur(pCursor)((AnimCurPtr) ((((char *)(pCursor) + (sizeof(CursorRec) + dixPrivatesSize (PRIVATE_CURSOR)))))); | |||
296 | int i; | |||
297 | ||||
298 | for (i = 0; i < ac->nelt; i++) | |||
299 | (*pScreen->RecolorCursor) (pDev, pScreen, ac->elts[i].pCursor, | |||
300 | displayed && | |||
301 | pDev->spriteInfo->anim.elt == i); | |||
302 | } | |||
303 | else | |||
304 | (*pScreen->RecolorCursor) (pDev, pScreen, pCursor, displayed); | |||
305 | Wrap(as, pScreen, RecolorCursor, AnimCurRecolorCursor)(((as)->RecolorCursor = (pScreen)->RecolorCursor), (pScreen )->RecolorCursor = AnimCurRecolorCursor); | |||
306 | } | |||
307 | ||||
308 | Bool | |||
309 | AnimCurInit(ScreenPtr pScreen) | |||
310 | { | |||
311 | AnimCurScreenPtr as; | |||
312 | ||||
313 | if (!dixRegisterPrivateKey(&AnimCurScreenPrivateKeyRec, PRIVATE_SCREEN, 0)) | |||
314 | return FALSE0; | |||
315 | ||||
316 | as = (AnimCurScreenPtr) malloc(sizeof(AnimCurScreenRec)); | |||
317 | if (!as) | |||
318 | return FALSE0; | |||
319 | Wrap(as, pScreen, CloseScreen, AnimCurCloseScreen)(((as)->CloseScreen = (pScreen)->CloseScreen), (pScreen )->CloseScreen = AnimCurCloseScreen); | |||
320 | ||||
321 | as->BlockHandler = NULL((void*)0); | |||
322 | ||||
323 | Wrap(as, pScreen, CursorLimits, AnimCurCursorLimits)(((as)->CursorLimits = (pScreen)->CursorLimits), (pScreen )->CursorLimits = AnimCurCursorLimits); | |||
324 | Wrap(as, pScreen, DisplayCursor, AnimCurDisplayCursor)(((as)->DisplayCursor = (pScreen)->DisplayCursor), (pScreen )->DisplayCursor = AnimCurDisplayCursor); | |||
325 | Wrap(as, pScreen, SetCursorPosition, AnimCurSetCursorPosition)(((as)->SetCursorPosition = (pScreen)->SetCursorPosition ), (pScreen)->SetCursorPosition = AnimCurSetCursorPosition ); | |||
326 | Wrap(as, pScreen, RealizeCursor, AnimCurRealizeCursor)(((as)->RealizeCursor = (pScreen)->RealizeCursor), (pScreen )->RealizeCursor = AnimCurRealizeCursor); | |||
327 | Wrap(as, pScreen, UnrealizeCursor, AnimCurUnrealizeCursor)(((as)->UnrealizeCursor = (pScreen)->UnrealizeCursor), ( pScreen)->UnrealizeCursor = AnimCurUnrealizeCursor); | |||
328 | Wrap(as, pScreen, RecolorCursor, AnimCurRecolorCursor)(((as)->RecolorCursor = (pScreen)->RecolorCursor), (pScreen )->RecolorCursor = AnimCurRecolorCursor); | |||
329 | SetAnimCurScreen(pScreen, as)dixSetPrivate(&(pScreen)->devPrivates, (&AnimCurScreenPrivateKeyRec ), as); | |||
330 | return TRUE1; | |||
331 | } | |||
332 | ||||
333 | int | |||
334 | AnimCursorCreate(CursorPtr *cursors, CARD32 *deltas, int ncursor, | |||
335 | CursorPtr *ppCursor, ClientPtr client, XID cid) | |||
336 | { | |||
337 | CursorPtr pCursor; | |||
338 | int rc, i; | |||
339 | AnimCurPtr ac; | |||
340 | ||||
341 | for (i = 0; i < screenInfo.numScreens; i++) | |||
| ||||
342 | if (!GetAnimCurScreen(screenInfo.screens[i])((AnimCurScreenPtr)dixLookupPrivate(&(screenInfo.screens[ i])->devPrivates, (&AnimCurScreenPrivateKeyRec)))) | |||
343 | return BadImplementation17; | |||
344 | ||||
345 | for (i = 0; i < ncursor; i++) | |||
346 | if (IsAnimCur(cursors[i])((cursors[i]) && ((cursors[i])->bits == &animCursorBits ))) | |||
347 | return BadMatch8; | |||
348 | ||||
349 | pCursor = (CursorPtr) calloc(CURSOR_REC_SIZE(sizeof(CursorRec) + dixPrivatesSize(PRIVATE_CURSOR)) + | |||
350 | sizeof(AnimCurRec) + | |||
351 | ncursor * sizeof(AnimCurElt), 1); | |||
352 | if (!pCursor) | |||
353 | return BadAlloc11; | |||
354 | dixInitPrivates(pCursor, pCursor + 1, PRIVATE_CURSOR)_dixInitPrivates(&(pCursor)->devPrivates, (pCursor + 1 ), PRIVATE_CURSOR);; | |||
355 | pCursor->bits = &animCursorBits; | |||
356 | pCursor->refcnt = 1; | |||
357 | ||||
358 | pCursor->foreRed = cursors[0]->foreRed; | |||
| ||||
359 | pCursor->foreGreen = cursors[0]->foreGreen; | |||
360 | pCursor->foreBlue = cursors[0]->foreBlue; | |||
361 | ||||
362 | pCursor->backRed = cursors[0]->backRed; | |||
363 | pCursor->backGreen = cursors[0]->backGreen; | |||
364 | pCursor->backBlue = cursors[0]->backBlue; | |||
365 | ||||
366 | pCursor->id = cid; | |||
367 | ||||
368 | /* security creation/labeling check */ | |||
369 | rc = XaceHook(XACE_RESOURCE_ACCESS2, client, cid, RT_CURSOR((RESTYPE)5), pCursor, | |||
370 | RT_NONE((RESTYPE)0), NULL((void*)0), DixCreateAccess(1<<3)); | |||
371 | if (rc != Success0) { | |||
372 | dixFiniPrivates(pCursor, PRIVATE_CURSOR)_dixFiniPrivates((pCursor)->devPrivates,PRIVATE_CURSOR); | |||
373 | free(pCursor); | |||
374 | return rc; | |||
375 | } | |||
376 | ||||
377 | /* | |||
378 | * Fill in the AnimCurRec | |||
379 | */ | |||
380 | animCursorBits.refcnt++; | |||
381 | ac = GetAnimCur(pCursor)((AnimCurPtr) ((((char *)(pCursor) + (sizeof(CursorRec) + dixPrivatesSize (PRIVATE_CURSOR)))))); | |||
382 | ac->nelt = ncursor; | |||
383 | ac->elts = (AnimCurElt *) (ac + 1); | |||
384 | ||||
385 | for (i = 0; i < ncursor; i++) { | |||
386 | ac->elts[i].pCursor = RefCursor(cursors[i]); | |||
387 | ac->elts[i].delay = deltas[i]; | |||
388 | } | |||
389 | ||||
390 | *ppCursor = pCursor; | |||
391 | return Success0; | |||
392 | } |