File: | dix/dixfonts.c |
Location: | line 573, column 9 |
Description: | Value stored to 'err' is never read |
1 | /************************************************************************ |
2 | Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. |
3 | |
4 | All Rights Reserved |
5 | |
6 | Permission to use, copy, modify, and distribute this software and its |
7 | documentation for any purpose and without fee is hereby granted, |
8 | provided that the above copyright notice appear in all copies and that |
9 | both that copyright notice and this permission notice appear in |
10 | supporting documentation, and that the name of Digital not be |
11 | used in advertising or publicity pertaining to distribution of the |
12 | software without specific, written prior permission. |
13 | |
14 | DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING |
15 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL |
16 | DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR |
17 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, |
18 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, |
19 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS |
20 | SOFTWARE. |
21 | |
22 | ************************************************************************/ |
23 | /* The panoramix components contained the following notice */ |
24 | /* |
25 | Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. |
26 | |
27 | Permission is hereby granted, free of charge, to any person obtaining a copy |
28 | of this software and associated documentation files (the "Software"), to deal |
29 | in the Software without restriction, including without limitation the rights |
30 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
31 | copies of the Software. |
32 | |
33 | The above copyright notice and this permission notice shall be included in |
34 | all copies or substantial portions of the Software. |
35 | |
36 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
37 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
38 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
39 | DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, |
40 | BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, |
41 | WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR |
42 | IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
43 | |
44 | Except as contained in this notice, the name of Digital Equipment Corporation |
45 | shall not be used in advertising or otherwise to promote the sale, use or other |
46 | dealings in this Software without prior written authorization from Digital |
47 | Equipment Corporation. |
48 | |
49 | ******************************************************************/ |
50 | |
51 | #ifdef HAVE_DIX_CONFIG_H1 |
52 | #include <dix-config.h> |
53 | #endif |
54 | |
55 | #include <X11/X.h> |
56 | #include <X11/Xmd.h> |
57 | #include <X11/Xproto.h> |
58 | #include "scrnintstr.h" |
59 | #include "resource.h" |
60 | #include "dixstruct.h" |
61 | #include "cursorstr.h" |
62 | #include "misc.h" |
63 | #include "opaque.h" |
64 | #include "dixfontstr.h" |
65 | #include "closestr.h" |
66 | #include "dixfont.h" |
67 | #include "xace.h" |
68 | |
69 | #ifdef XF86BIGFONT |
70 | #include "xf86bigfontsrv.h" |
71 | #endif |
72 | |
73 | extern void *fosNaturalParams; |
74 | extern FontPtr defaultFont; |
75 | |
76 | static FontPathElementPtr *font_path_elements = (FontPathElementPtr *) 0; |
77 | static int num_fpes = 0; |
78 | static FPEFunctions *fpe_functions = (FPEFunctions *) 0; |
79 | static int num_fpe_types = 0; |
80 | |
81 | static unsigned char *font_path_string; |
82 | |
83 | static int num_slept_fpes = 0; |
84 | static int size_slept_fpes = 0; |
85 | static FontPathElementPtr *slept_fpes = (FontPathElementPtr *) 0; |
86 | static FontPatternCachePtr patternCache; |
87 | |
88 | static int |
89 | FontToXError(int err) |
90 | { |
91 | switch (err) { |
92 | case Successful85: |
93 | return Success0; |
94 | case AllocError80: |
95 | return BadAlloc11; |
96 | case BadFontName83: |
97 | return BadName15; |
98 | case BadFontPath86: |
99 | case BadFontFormat88: /* is there something better? */ |
100 | case BadCharRange87: |
101 | return BadValue2; |
102 | default: |
103 | return err; |
104 | } |
105 | } |
106 | |
107 | static int |
108 | LoadGlyphs(ClientPtr client, FontPtr pfont, unsigned nchars, int item_size, |
109 | unsigned char *data) |
110 | { |
111 | if (fpe_functions[pfont->fpe->type].load_glyphs) |
112 | return (*fpe_functions[pfont->fpe->type].load_glyphs) |
113 | (client, pfont, 0, nchars, item_size, data); |
114 | else |
115 | return Successful85; |
116 | } |
117 | |
118 | void |
119 | dixGetGlyphs(FontPtr font, unsigned long count, unsigned char *chars, |
120 | FontEncoding fontEncoding, |
121 | unsigned long *glyphcount, /* RETURN */ |
122 | CharInfoPtr *glyphs) /* RETURN */ |
123 | { |
124 | (*font->get_glyphs) (font, count, chars, fontEncoding, glyphcount, glyphs); |
125 | } |
126 | |
127 | /* |
128 | * adding RT_FONT prevents conflict with default cursor font |
129 | */ |
130 | Bool |
131 | SetDefaultFont(const char *defaultfontname) |
132 | { |
133 | int err; |
134 | FontPtr pf; |
135 | XID fid; |
136 | |
137 | fid = FakeClientID(0); |
138 | err = OpenFont(serverClient, fid, FontLoadAll0x000f | FontOpenSync0x0010, |
139 | (unsigned) strlen(defaultfontname), defaultfontname); |
140 | if (err != Success0) |
141 | return FALSE0; |
142 | err = dixLookupResourceByType((void **) &pf, fid, RT_FONT((RESTYPE)4), serverClient, |
143 | DixReadAccess(1<<0)); |
144 | if (err != Success0) |
145 | return FALSE0; |
146 | defaultFont = pf; |
147 | return TRUE1; |
148 | } |
149 | |
150 | /* |
151 | * note that the font wakeup queue is not refcounted. this is because |
152 | * an fpe needs to be added when it's inited, and removed when it's finally |
153 | * freed, in order to handle any data that isn't requested, like FS events. |
154 | * |
155 | * since the only thing that should call these routines is the renderer's |
156 | * init_fpe() and free_fpe(), there shouldn't be any problem in using |
157 | * freed data. |
158 | */ |
159 | void |
160 | QueueFontWakeup(FontPathElementPtr fpe) |
161 | { |
162 | int i; |
163 | FontPathElementPtr *new; |
164 | |
165 | for (i = 0; i < num_slept_fpes; i++) { |
166 | if (slept_fpes[i] == fpe) { |
167 | return; |
168 | } |
169 | } |
170 | if (num_slept_fpes == size_slept_fpes) { |
171 | new = (FontPathElementPtr *) |
172 | realloc(slept_fpes, |
173 | sizeof(FontPathElementPtr) * (size_slept_fpes + 4)); |
174 | if (!new) |
175 | return; |
176 | slept_fpes = new; |
177 | size_slept_fpes += 4; |
178 | } |
179 | slept_fpes[num_slept_fpes] = fpe; |
180 | num_slept_fpes++; |
181 | } |
182 | |
183 | void |
184 | RemoveFontWakeup(FontPathElementPtr fpe) |
185 | { |
186 | int i, j; |
187 | |
188 | for (i = 0; i < num_slept_fpes; i++) { |
189 | if (slept_fpes[i] == fpe) { |
190 | for (j = i; j < num_slept_fpes; j++) { |
191 | slept_fpes[j] = slept_fpes[j + 1]; |
192 | } |
193 | num_slept_fpes--; |
194 | return; |
195 | } |
196 | } |
197 | } |
198 | |
199 | void |
200 | FontWakeup(void *data, int count, void *LastSelectMask) |
201 | { |
202 | int i; |
203 | FontPathElementPtr fpe; |
204 | |
205 | if (count < 0) |
206 | return; |
207 | /* wake up any fpe's that may be waiting for information */ |
208 | for (i = 0; i < num_slept_fpes; i++) { |
209 | fpe = slept_fpes[i]; |
210 | (void) (*fpe_functions[fpe->type].wakeup_fpe) (fpe, LastSelectMask); |
211 | } |
212 | } |
213 | |
214 | /* XXX -- these two funcs may want to be broken into macros */ |
215 | static void |
216 | UseFPE(FontPathElementPtr fpe) |
217 | { |
218 | fpe->refcount++; |
219 | } |
220 | |
221 | static void |
222 | FreeFPE(FontPathElementPtr fpe) |
223 | { |
224 | fpe->refcount--; |
225 | if (fpe->refcount == 0) { |
226 | (*fpe_functions[fpe->type].free_fpe) (fpe); |
227 | free((void *) fpe->name); |
228 | free(fpe); |
229 | } |
230 | } |
231 | |
232 | static Bool |
233 | doOpenFont(ClientPtr client, OFclosurePtr c) |
234 | { |
235 | FontPtr pfont = NullFont((FontPtr) 0); |
236 | FontPathElementPtr fpe = NULL((void*)0); |
237 | ScreenPtr pScr; |
238 | int err = Successful85; |
239 | int i; |
240 | char *alias, *newname; |
241 | int newlen; |
242 | int aliascount = 20; |
243 | |
244 | /* |
245 | * Decide at runtime what FontFormat to use. |
246 | */ |
247 | Mask FontFormat = |
248 | ((screenInfo.imageByteOrder == LSBFirst0) ? |
249 | BitmapFormatByteOrderLSB(0) : BitmapFormatByteOrderMSB(1L << 0)) | |
250 | ((screenInfo.bitmapBitOrder == LSBFirst0) ? |
251 | BitmapFormatBitOrderLSB(0) : BitmapFormatBitOrderMSB(1L << 1)) | |
252 | BitmapFormatImageRectMin(0L << 2) | |
253 | #if GLYPHPADBYTES4 == 1 |
254 | BitmapFormatScanlinePad8(0L << 8) | |
255 | #endif |
256 | #if GLYPHPADBYTES4 == 2 |
257 | BitmapFormatScanlinePad16(1L << 8) | |
258 | #endif |
259 | #if GLYPHPADBYTES4 == 4 |
260 | BitmapFormatScanlinePad32(2L << 8) | |
261 | #endif |
262 | #if GLYPHPADBYTES4 == 8 |
263 | BitmapFormatScanlinePad64(3L << 8) | |
264 | #endif |
265 | BitmapFormatScanlineUnit8(0L << 12); |
266 | |
267 | if (client->clientGone) { |
268 | if (c->current_fpe < c->num_fpes) { |
269 | fpe = c->fpe_list[c->current_fpe]; |
270 | (*fpe_functions[fpe->type].client_died) ((void *) client, fpe); |
271 | } |
272 | err = Successful85; |
273 | goto bail; |
274 | } |
275 | while (c->current_fpe < c->num_fpes) { |
276 | fpe = c->fpe_list[c->current_fpe]; |
277 | err = (*fpe_functions[fpe->type].open_font) |
278 | ((void *) client, fpe, c->flags, |
279 | c->fontname, c->fnamelen, FontFormat, |
280 | BitmapFormatMaskByte(1L << 0) | |
281 | BitmapFormatMaskBit(1L << 1) | |
282 | BitmapFormatMaskImageRectangle(1L << 2) | |
283 | BitmapFormatMaskScanLinePad(1L << 3) | |
284 | BitmapFormatMaskScanLineUnit(1L << 4), |
285 | c->fontid, &pfont, &alias, |
286 | c->non_cachable_font && c->non_cachable_font->fpe == fpe ? |
287 | c->non_cachable_font : (FontPtr) 0); |
288 | |
289 | if (err == FontNameAlias82 && alias) { |
290 | newlen = strlen(alias); |
291 | newname = (char *) realloc((char *) c->fontname, newlen); |
292 | if (!newname) { |
293 | err = AllocError80; |
294 | break; |
295 | } |
296 | memmove(newname, alias, newlen)__builtin___memmove_chk (newname, alias, newlen, __builtin_object_size (newname, 0)); |
297 | c->fontname = newname; |
298 | c->fnamelen = newlen; |
299 | c->current_fpe = 0; |
300 | if (--aliascount <= 0) { |
301 | /* We've tried resolving this alias 20 times, we're |
302 | * probably stuck in an infinite loop of aliases pointing |
303 | * to each other - time to take emergency exit! |
304 | */ |
305 | err = BadImplementation17; |
306 | break; |
307 | } |
308 | continue; |
309 | } |
310 | if (err == BadFontName83) { |
311 | c->current_fpe++; |
312 | continue; |
313 | } |
314 | if (err == Suspended84) { |
315 | if (!ClientIsAsleep(client)) |
316 | ClientSleep(client, (ClientSleepProcPtr) doOpenFont, c); |
317 | return TRUE1; |
318 | } |
319 | break; |
320 | } |
321 | |
322 | if (err != Successful85) |
323 | goto bail; |
324 | if (!pfont) { |
325 | err = BadFontName83; |
326 | goto bail; |
327 | } |
328 | /* check values for firstCol, lastCol, firstRow, and lastRow */ |
329 | if (pfont->info.firstCol > pfont->info.lastCol || |
330 | pfont->info.firstRow > pfont->info.lastRow || |
331 | pfont->info.lastCol - pfont->info.firstCol > 255) { |
332 | err = AllocError80; |
333 | goto bail; |
334 | } |
335 | if (!pfont->fpe) |
336 | pfont->fpe = fpe; |
337 | pfont->refcnt++; |
338 | if (pfont->refcnt == 1) { |
339 | UseFPE(pfont->fpe); |
340 | for (i = 0; i < screenInfo.numScreens; i++) { |
341 | pScr = screenInfo.screens[i]; |
342 | if (pScr->RealizeFont) { |
343 | if (!(*pScr->RealizeFont) (pScr, pfont)) { |
344 | CloseFont(pfont, (Font) 0); |
345 | err = AllocError80; |
346 | goto bail; |
347 | } |
348 | } |
349 | } |
350 | } |
351 | if (!AddResourceDarwin_X_AddResource(c->fontid, RT_FONT((RESTYPE)4), (void *) pfont)) { |
352 | err = AllocError80; |
353 | goto bail; |
354 | } |
355 | if (patternCache && pfont != c->non_cachable_font) |
356 | CacheFontPattern(patternCache, c->origFontName, c->origFontNameLen, |
357 | pfont); |
358 | bail: |
359 | if (err != Successful85 && c->client != serverClient) { |
360 | SendErrorToClient(c->client, X_OpenFont45, 0, |
361 | c->fontid, FontToXError(err)); |
362 | } |
363 | ClientWakeup(c->client); |
364 | for (i = 0; i < c->num_fpes; i++) { |
365 | FreeFPE(c->fpe_list[i]); |
366 | } |
367 | free(c->fpe_list); |
368 | free((void *) c->fontname); |
369 | free(c); |
370 | return TRUE1; |
371 | } |
372 | |
373 | int |
374 | OpenFont(ClientPtr client, XID fid, Mask flags, unsigned lenfname, |
375 | const char *pfontname) |
376 | { |
377 | OFclosurePtr c; |
378 | int i; |
379 | FontPtr cached = (FontPtr) 0; |
380 | |
381 | if (!lenfname || lenfname > XLFDMAXFONTNAMELEN256) |
382 | return BadName15; |
383 | if (patternCache) { |
384 | |
385 | /* |
386 | ** Check name cache. If we find a cached version of this font that |
387 | ** is cachable, immediately satisfy the request with it. If we find |
388 | ** a cached version of this font that is non-cachable, we do not |
389 | ** satisfy the request with it. Instead, we pass the FontPtr to the |
390 | ** FPE's open_font code (the fontfile FPE in turn passes the |
391 | ** information to the rasterizer; the fserve FPE ignores it). |
392 | ** |
393 | ** Presumably, the font is marked non-cachable because the FPE has |
394 | ** put some licensing restrictions on it. If the FPE, using |
395 | ** whatever logic it relies on, determines that it is willing to |
396 | ** share this existing font with the client, then it has the option |
397 | ** to return the FontPtr we passed it as the newly-opened font. |
398 | ** This allows the FPE to exercise its licensing logic without |
399 | ** having to create another instance of a font that already exists. |
400 | */ |
401 | |
402 | cached = FindCachedFontPattern(patternCache, pfontname, lenfname); |
403 | if (cached && cached->info.cachable) { |
404 | if (!AddResourceDarwin_X_AddResource(fid, RT_FONT((RESTYPE)4), (void *) cached)) |
405 | return BadAlloc11; |
406 | cached->refcnt++; |
407 | return Success0; |
408 | } |
409 | } |
410 | c = malloc(sizeof(OFclosureRec)); |
411 | if (!c) |
412 | return BadAlloc11; |
413 | c->fontname = malloc(lenfname); |
414 | c->origFontName = pfontname; |
415 | c->origFontNameLen = lenfname; |
416 | if (!c->fontname) { |
417 | free(c); |
418 | return BadAlloc11; |
419 | } |
420 | /* |
421 | * copy the current FPE list, so that if it gets changed by another client |
422 | * while we're blocking, the request still appears atomic |
423 | */ |
424 | c->fpe_list = malloc(sizeof(FontPathElementPtr) * num_fpes); |
425 | if (!c->fpe_list) { |
426 | free((void *) c->fontname); |
427 | free(c); |
428 | return BadAlloc11; |
429 | } |
430 | memmove(c->fontname, pfontname, lenfname)__builtin___memmove_chk (c->fontname, pfontname, lenfname, __builtin_object_size (c->fontname, 0)); |
431 | for (i = 0; i < num_fpes; i++) { |
432 | c->fpe_list[i] = font_path_elements[i]; |
433 | UseFPE(c->fpe_list[i]); |
434 | } |
435 | c->client = client; |
436 | c->fontid = fid; |
437 | c->current_fpe = 0; |
438 | c->num_fpes = num_fpes; |
439 | c->fnamelen = lenfname; |
440 | c->flags = flags; |
441 | c->non_cachable_font = cached; |
442 | |
443 | (void) doOpenFont(client, c); |
444 | return Success0; |
445 | } |
446 | |
447 | /** |
448 | * Decrement font's ref count, and free storage if ref count equals zero |
449 | * |
450 | * \param value must conform to DeleteType |
451 | */ |
452 | int |
453 | CloseFont(void *value, XID fid) |
454 | { |
455 | int nscr; |
456 | ScreenPtr pscr; |
457 | FontPathElementPtr fpe; |
458 | FontPtr pfont = (FontPtr) value; |
459 | |
460 | if (pfont == NullFont((FontPtr) 0)) |
461 | return Success0; |
462 | if (--pfont->refcnt == 0) { |
463 | if (patternCache) |
464 | RemoveCachedFontPattern(patternCache, pfont); |
465 | /* |
466 | * since the last reference is gone, ask each screen to free any |
467 | * storage it may have allocated locally for it. |
468 | */ |
469 | for (nscr = 0; nscr < screenInfo.numScreens; nscr++) { |
470 | pscr = screenInfo.screens[nscr]; |
471 | if (pscr->UnrealizeFont) |
472 | (*pscr->UnrealizeFont) (pscr, pfont); |
473 | } |
474 | if (pfont == defaultFont) |
475 | defaultFont = NULL((void*)0); |
476 | #ifdef XF86BIGFONT |
477 | XF86BigfontFreeFontShm(pfont); |
478 | #endif |
479 | fpe = pfont->fpe; |
480 | (*fpe_functions[fpe->type].close_font) (fpe, pfont); |
481 | FreeFPE(fpe); |
482 | } |
483 | return Success0; |
484 | } |
485 | |
486 | /***====================================================================***/ |
487 | |
488 | /** |
489 | * Sets up pReply as the correct QueryFontReply for pFont with the first |
490 | * nProtoCCIStructs char infos. |
491 | * |
492 | * \param pReply caller must allocate this storage |
493 | */ |
494 | void |
495 | QueryFont(FontPtr pFont, xQueryFontReply * pReply, int nProtoCCIStructs) |
496 | { |
497 | FontPropPtr pFP; |
498 | int r, c, i; |
499 | xFontProp *prFP; |
500 | xCharInfo *prCI; |
501 | xCharInfo *charInfos[256]; |
502 | unsigned char chars[512]; |
503 | int ninfos; |
504 | unsigned long ncols; |
505 | unsigned long count; |
506 | |
507 | /* pr->length set in dispatch */ |
508 | pReply->minCharOrByte2 = pFont->info.firstCol; |
509 | pReply->defaultChar = pFont->info.defaultCh; |
510 | pReply->maxCharOrByte2 = pFont->info.lastCol; |
511 | pReply->drawDirection = pFont->info.drawDirection; |
512 | pReply->allCharsExist = pFont->info.allExist; |
513 | pReply->minByte1 = pFont->info.firstRow; |
514 | pReply->maxByte1 = pFont->info.lastRow; |
515 | pReply->fontAscent = pFont->info.fontAscent; |
516 | pReply->fontDescent = pFont->info.fontDescent; |
517 | |
518 | pReply->minBounds = pFont->info.ink_minbounds; |
519 | pReply->maxBounds = pFont->info.ink_maxbounds; |
520 | |
521 | pReply->nFontProps = pFont->info.nprops; |
522 | pReply->nCharInfos = nProtoCCIStructs; |
523 | |
524 | for (i = 0, pFP = pFont->info.props, prFP = (xFontProp *) (&pReply[1]); |
525 | i < pFont->info.nprops; i++, pFP++, prFP++) { |
526 | prFP->name = pFP->name; |
527 | prFP->value = pFP->value; |
528 | } |
529 | |
530 | ninfos = 0; |
531 | ncols = (unsigned long) (pFont->info.lastCol - pFont->info.firstCol + 1); |
532 | prCI = (xCharInfo *) (prFP); |
533 | for (r = pFont->info.firstRow; |
534 | ninfos < nProtoCCIStructs && r <= (int) pFont->info.lastRow; r++) { |
535 | i = 0; |
536 | for (c = pFont->info.firstCol; c <= (int) pFont->info.lastCol; c++) { |
537 | chars[i++] = r; |
538 | chars[i++] = c; |
539 | } |
540 | (*pFont->get_metrics) (pFont, ncols, chars, |
541 | TwoD16Bit, &count, charInfos); |
542 | i = 0; |
543 | for (i = 0; i < (int) count && ninfos < nProtoCCIStructs; i++) { |
544 | *prCI = *charInfos[i]; |
545 | prCI++; |
546 | ninfos++; |
547 | } |
548 | } |
549 | return; |
550 | } |
551 | |
552 | static Bool |
553 | doListFontsAndAliases(ClientPtr client, LFclosurePtr c) |
554 | { |
555 | FontPathElementPtr fpe; |
556 | int err = Successful85; |
557 | FontNamesPtr names = NULL((void*)0); |
558 | char *name, *resolved = NULL((void*)0); |
559 | int namelen, resolvedlen; |
560 | int nnames; |
561 | int stringLens; |
562 | int i; |
563 | xListFontsReply reply; |
564 | char *bufptr; |
565 | char *bufferStart; |
566 | int aliascount = 0; |
567 | |
568 | if (client->clientGone) { |
569 | if (c->current.current_fpe < c->num_fpes) { |
570 | fpe = c->fpe_list[c->current.current_fpe]; |
571 | (*fpe_functions[fpe->type].client_died) ((void *) client, fpe); |
572 | } |
573 | err = Successful85; |
Value stored to 'err' is never read | |
574 | goto bail; |
575 | } |
576 | |
577 | if (!c->current.patlen) |
578 | goto finish; |
579 | |
580 | while (c->current.current_fpe < c->num_fpes) { |
581 | fpe = c->fpe_list[c->current.current_fpe]; |
582 | err = Successful85; |
583 | |
584 | if (!fpe_functions[fpe->type].start_list_fonts_and_aliases) { |
585 | /* This FPE doesn't support/require list_fonts_and_aliases */ |
586 | |
587 | err = (*fpe_functions[fpe->type].list_fonts) |
588 | ((void *) c->client, fpe, c->current.pattern, |
589 | c->current.patlen, c->current.max_names - c->names->nnames, |
590 | c->names); |
591 | |
592 | if (err == Suspended84) { |
593 | if (!ClientIsAsleep(client)) |
594 | ClientSleep(client, |
595 | (ClientSleepProcPtr) doListFontsAndAliases, c); |
596 | return TRUE1; |
597 | } |
598 | |
599 | err = BadFontName83; |
600 | } |
601 | else { |
602 | /* Start of list_fonts_and_aliases functionality. Modeled |
603 | after list_fonts_with_info in that it resolves aliases, |
604 | except that the information collected from FPEs is just |
605 | names, not font info. Each list_next_font_or_alias() |
606 | returns either a name into name/namelen or an alias into |
607 | name/namelen and its target name into resolved/resolvedlen. |
608 | The code at this level then resolves the alias by polling |
609 | the FPEs. */ |
610 | |
611 | if (!c->current.list_started) { |
612 | err = (*fpe_functions[fpe->type].start_list_fonts_and_aliases) |
613 | ((void *) c->client, fpe, c->current.pattern, |
614 | c->current.patlen, c->current.max_names - c->names->nnames, |
615 | &c->current.private); |
616 | if (err == Suspended84) { |
617 | if (!ClientIsAsleep(client)) |
618 | ClientSleep(client, |
619 | (ClientSleepProcPtr) doListFontsAndAliases, |
620 | c); |
621 | return TRUE1; |
622 | } |
623 | if (err == Successful85) |
624 | c->current.list_started = TRUE1; |
625 | } |
626 | if (err == Successful85) { |
627 | char *tmpname; |
628 | |
629 | name = 0; |
630 | err = (*fpe_functions[fpe->type].list_next_font_or_alias) |
631 | ((void *) c->client, fpe, &name, &namelen, &tmpname, |
632 | &resolvedlen, c->current.private); |
633 | if (err == Suspended84) { |
634 | if (!ClientIsAsleep(client)) |
635 | ClientSleep(client, |
636 | (ClientSleepProcPtr) doListFontsAndAliases, |
637 | c); |
638 | return TRUE1; |
639 | } |
640 | if (err == FontNameAlias82) { |
641 | free(resolved); |
642 | resolved = malloc(resolvedlen + 1); |
643 | if (resolved) |
644 | memmove(resolved, tmpname, resolvedlen + 1)__builtin___memmove_chk (resolved, tmpname, resolvedlen + 1, __builtin_object_size (resolved, 0)); |
645 | } |
646 | } |
647 | |
648 | if (err == Successful85) { |
649 | if (c->haveSaved) { |
650 | if (c->savedName) |
651 | (void) AddFontNamesName(c->names, c->savedName, |
652 | c->savedNameLen); |
653 | } |
654 | else |
655 | (void) AddFontNamesName(c->names, name, namelen); |
656 | } |
657 | |
658 | /* |
659 | * When we get an alias back, save our state and reset back to |
660 | * the start of the FPE looking for the specified name. As |
661 | * soon as a real font is found for the alias, pop back to the |
662 | * old state |
663 | */ |
664 | else if (err == FontNameAlias82) { |
665 | char tmp_pattern[XLFDMAXFONTNAMELEN256]; |
666 | |
667 | /* |
668 | * when an alias recurses, we need to give |
669 | * the last FPE a chance to clean up; so we call |
670 | * it again, and assume that the error returned |
671 | * is BadFontName, indicating the alias resolution |
672 | * is complete. |
673 | */ |
674 | memmove(tmp_pattern, resolved, resolvedlen)__builtin___memmove_chk (tmp_pattern, resolved, resolvedlen, __builtin_object_size (tmp_pattern, 0)); |
675 | if (c->haveSaved) { |
676 | char *tmpname; |
677 | int tmpnamelen; |
678 | |
679 | tmpname = 0; |
680 | (void) (*fpe_functions[fpe->type].list_next_font_or_alias) |
681 | ((void *) c->client, fpe, &tmpname, &tmpnamelen, |
682 | &tmpname, &tmpnamelen, c->current.private); |
683 | if (--aliascount <= 0) { |
684 | err = BadFontName83; |
685 | goto ContBadFontName; |
686 | } |
687 | } |
688 | else { |
689 | c->saved = c->current; |
690 | c->haveSaved = TRUE1; |
691 | free(c->savedName); |
692 | c->savedName = malloc(namelen + 1); |
693 | if (c->savedName) |
694 | memmove(c->savedName, name, namelen + 1)__builtin___memmove_chk (c->savedName, name, namelen + 1, __builtin_object_size (c->savedName, 0)); |
695 | c->savedNameLen = namelen; |
696 | aliascount = 20; |
697 | } |
698 | memmove(c->current.pattern, tmp_pattern, resolvedlen)__builtin___memmove_chk (c->current.pattern, tmp_pattern, resolvedlen , __builtin_object_size (c->current.pattern, 0)); |
699 | c->current.patlen = resolvedlen; |
700 | c->current.max_names = c->names->nnames + 1; |
701 | c->current.current_fpe = -1; |
702 | c->current.private = 0; |
703 | err = BadFontName83; |
704 | } |
705 | } |
706 | /* |
707 | * At the end of this FPE, step to the next. If we've finished |
708 | * processing an alias, pop state back. If we've collected enough |
709 | * font names, quit. |
710 | */ |
711 | if (err == BadFontName83) { |
712 | ContBadFontName:; |
713 | c->current.list_started = FALSE0; |
714 | c->current.current_fpe++; |
715 | err = Successful85; |
716 | if (c->haveSaved) { |
717 | if (c->names->nnames == c->current.max_names || |
718 | c->current.current_fpe == c->num_fpes) { |
719 | c->haveSaved = FALSE0; |
720 | c->current = c->saved; |
721 | /* Give the saved namelist a chance to clean itself up */ |
722 | continue; |
723 | } |
724 | } |
725 | if (c->names->nnames == c->current.max_names) |
726 | break; |
727 | } |
728 | } |
729 | |
730 | /* |
731 | * send the reply |
732 | */ |
733 | if (err != Successful85) { |
734 | SendErrorToClient(client, X_ListFonts49, 0, 0, FontToXError(err)); |
735 | goto bail; |
736 | } |
737 | |
738 | finish: |
739 | |
740 | names = c->names; |
741 | nnames = names->nnames; |
742 | client = c->client; |
743 | stringLens = 0; |
744 | for (i = 0; i < nnames; i++) |
745 | stringLens += (names->length[i] <= 255) ? names->length[i] : 0; |
746 | |
747 | reply = (xListFontsReply) { |
748 | .type = X_Reply1, |
749 | .length = bytes_to_int32(stringLens + nnames), |
750 | .nFonts = nnames, |
751 | .sequenceNumber = client->sequence |
752 | }; |
753 | |
754 | bufptr = bufferStart = malloc(reply.length << 2); |
755 | |
756 | if (!bufptr && reply.length) { |
757 | SendErrorToClient(client, X_ListFonts49, 0, 0, BadAlloc11); |
758 | goto bail; |
759 | } |
760 | /* |
761 | * since WriteToClient long word aligns things, copy to temp buffer and |
762 | * write all at once |
763 | */ |
764 | for (i = 0; i < nnames; i++) { |
765 | if (names->length[i] > 255) |
766 | reply.nFonts--; |
767 | else { |
768 | *bufptr++ = names->length[i]; |
769 | memmove(bufptr, names->names[i], names->length[i])__builtin___memmove_chk (bufptr, names->names[i], names-> length[i], __builtin_object_size (bufptr, 0)); |
770 | bufptr += names->length[i]; |
771 | } |
772 | } |
773 | nnames = reply.nFonts; |
774 | reply.length = bytes_to_int32(stringLens + nnames); |
775 | client->pSwapReplyFunc = ReplySwapVector[X_ListFonts49]; |
776 | WriteSwappedDataToClient(client, sizeof(xListFontsReply), &reply)if ((client)->swapped) (*(client)->pSwapReplyFunc)(client , (int)(sizeof(xListFontsReply)), &reply); else WriteToClient (client, (int)(sizeof(xListFontsReply)), (&reply));; |
777 | WriteToClient(client, stringLens + nnames, bufferStart); |
778 | free(bufferStart); |
779 | |
780 | bail: |
781 | ClientWakeup(client); |
782 | for (i = 0; i < c->num_fpes; i++) |
783 | FreeFPE(c->fpe_list[i]); |
784 | free(c->fpe_list); |
785 | free(c->savedName); |
786 | FreeFontNames(names); |
787 | free(c); |
788 | free(resolved); |
789 | return TRUE1; |
790 | } |
791 | |
792 | int |
793 | ListFonts(ClientPtr client, unsigned char *pattern, unsigned length, |
794 | unsigned max_names) |
795 | { |
796 | int i; |
797 | LFclosurePtr c; |
798 | |
799 | /* |
800 | * The right error to return here would be BadName, however the |
801 | * specification does not allow for a Name error on this request. |
802 | * Perhaps a better solution would be to return a nil list, i.e. |
803 | * a list containing zero fontnames. |
804 | */ |
805 | if (length > XLFDMAXFONTNAMELEN256) |
806 | return BadAlloc11; |
807 | |
808 | i = XaceHook(XACE_SERVER_ACCESS9, client, DixGetAttrAccess(1<<4)); |
809 | if (i != Success0) |
810 | return i; |
811 | |
812 | if (!(c = malloc(sizeof *c))) |
813 | return BadAlloc11; |
814 | c->fpe_list = malloc(sizeof(FontPathElementPtr) * num_fpes); |
815 | if (!c->fpe_list) { |
816 | free(c); |
817 | return BadAlloc11; |
818 | } |
819 | c->names = MakeFontNamesRecord(max_names < 100 ? max_names : 100); |
820 | if (!c->names) { |
821 | free(c->fpe_list); |
822 | free(c); |
823 | return BadAlloc11; |
824 | } |
825 | memmove(c->current.pattern, pattern, length)__builtin___memmove_chk (c->current.pattern, pattern, length , __builtin_object_size (c->current.pattern, 0)); |
826 | for (i = 0; i < num_fpes; i++) { |
827 | c->fpe_list[i] = font_path_elements[i]; |
828 | UseFPE(c->fpe_list[i]); |
829 | } |
830 | c->client = client; |
831 | c->num_fpes = num_fpes; |
832 | c->current.patlen = length; |
833 | c->current.current_fpe = 0; |
834 | c->current.max_names = max_names; |
835 | c->current.list_started = FALSE0; |
836 | c->current.private = 0; |
837 | c->haveSaved = FALSE0; |
838 | c->savedName = 0; |
839 | doListFontsAndAliases(client, c); |
840 | return Success0; |
841 | } |
842 | |
843 | int |
844 | doListFontsWithInfo(ClientPtr client, LFWIclosurePtr c) |
845 | { |
846 | FontPathElementPtr fpe; |
847 | int err = Successful85; |
848 | char *name; |
849 | int namelen; |
850 | int numFonts; |
851 | FontInfoRec fontInfo, *pFontInfo; |
852 | xListFontsWithInfoReply *reply; |
853 | int length; |
854 | xFontProp *pFP; |
855 | int i; |
856 | int aliascount = 0; |
857 | xListFontsWithInfoReply finalReply; |
858 | |
859 | if (client->clientGone) { |
860 | if (c->current.current_fpe < c->num_fpes) { |
861 | fpe = c->fpe_list[c->current.current_fpe]; |
862 | (*fpe_functions[fpe->type].client_died) ((void *) client, fpe); |
863 | } |
864 | err = Successful85; |
865 | goto bail; |
866 | } |
867 | client->pSwapReplyFunc = ReplySwapVector[X_ListFontsWithInfo50]; |
868 | if (!c->current.patlen) |
869 | goto finish; |
870 | while (c->current.current_fpe < c->num_fpes) { |
871 | fpe = c->fpe_list[c->current.current_fpe]; |
872 | err = Successful85; |
873 | if (!c->current.list_started) { |
874 | err = (*fpe_functions[fpe->type].start_list_fonts_with_info) |
875 | (client, fpe, c->current.pattern, c->current.patlen, |
876 | c->current.max_names, &c->current.private); |
877 | if (err == Suspended84) { |
878 | if (!ClientIsAsleep(client)) |
879 | ClientSleep(client, |
880 | (ClientSleepProcPtr) doListFontsWithInfo, c); |
881 | return TRUE1; |
882 | } |
883 | if (err == Successful85) |
884 | c->current.list_started = TRUE1; |
885 | } |
886 | if (err == Successful85) { |
887 | name = 0; |
888 | pFontInfo = &fontInfo; |
889 | err = (*fpe_functions[fpe->type].list_next_font_with_info) |
890 | (client, fpe, &name, &namelen, &pFontInfo, |
891 | &numFonts, c->current.private); |
892 | if (err == Suspended84) { |
893 | if (!ClientIsAsleep(client)) |
894 | ClientSleep(client, |
895 | (ClientSleepProcPtr) doListFontsWithInfo, c); |
896 | return TRUE1; |
897 | } |
898 | } |
899 | /* |
900 | * When we get an alias back, save our state and reset back to the |
901 | * start of the FPE looking for the specified name. As soon as a real |
902 | * font is found for the alias, pop back to the old state |
903 | */ |
904 | if (err == FontNameAlias82) { |
905 | /* |
906 | * when an alias recurses, we need to give |
907 | * the last FPE a chance to clean up; so we call |
908 | * it again, and assume that the error returned |
909 | * is BadFontName, indicating the alias resolution |
910 | * is complete. |
911 | */ |
912 | if (c->haveSaved) { |
913 | char *tmpname; |
914 | int tmpnamelen; |
915 | FontInfoPtr tmpFontInfo; |
916 | |
917 | tmpname = 0; |
918 | tmpFontInfo = &fontInfo; |
919 | (void) (*fpe_functions[fpe->type].list_next_font_with_info) |
920 | (client, fpe, &tmpname, &tmpnamelen, &tmpFontInfo, |
921 | &numFonts, c->current.private); |
922 | if (--aliascount <= 0) { |
923 | err = BadFontName83; |
924 | goto ContBadFontName; |
925 | } |
926 | } |
927 | else { |
928 | c->saved = c->current; |
929 | c->haveSaved = TRUE1; |
930 | c->savedNumFonts = numFonts; |
931 | free(c->savedName); |
932 | c->savedName = malloc(namelen + 1); |
933 | if (c->savedName) |
934 | memmove(c->savedName, name, namelen + 1)__builtin___memmove_chk (c->savedName, name, namelen + 1, __builtin_object_size (c->savedName, 0)); |
935 | aliascount = 20; |
936 | } |
937 | memmove(c->current.pattern, name, namelen)__builtin___memmove_chk (c->current.pattern, name, namelen , __builtin_object_size (c->current.pattern, 0)); |
938 | c->current.patlen = namelen; |
939 | c->current.max_names = 1; |
940 | c->current.current_fpe = 0; |
941 | c->current.private = 0; |
942 | c->current.list_started = FALSE0; |
943 | } |
944 | /* |
945 | * At the end of this FPE, step to the next. If we've finished |
946 | * processing an alias, pop state back. If we've sent enough font |
947 | * names, quit. Always wait for BadFontName to let the FPE |
948 | * have a chance to clean up. |
949 | */ |
950 | else if (err == BadFontName83) { |
951 | ContBadFontName:; |
952 | c->current.list_started = FALSE0; |
953 | c->current.current_fpe++; |
954 | err = Successful85; |
955 | if (c->haveSaved) { |
956 | if (c->current.max_names == 0 || |
957 | c->current.current_fpe == c->num_fpes) { |
958 | c->haveSaved = FALSE0; |
959 | c->saved.max_names -= (1 - c->current.max_names); |
960 | c->current = c->saved; |
961 | } |
962 | } |
963 | else if (c->current.max_names == 0) |
964 | break; |
965 | } |
966 | else if (err == Successful85) { |
967 | length = sizeof(*reply) + pFontInfo->nprops * sizeof(xFontProp); |
968 | reply = c->reply; |
969 | if (c->length < length) { |
970 | reply = (xListFontsWithInfoReply *) realloc(c->reply, length); |
971 | if (!reply) { |
972 | err = AllocError80; |
973 | break; |
974 | } |
975 | memset((char *) reply + c->length, 0, length - c->length)__builtin___memset_chk ((char *) reply + c->length, 0, length - c->length, __builtin_object_size ((char *) reply + c-> length, 0)); |
976 | c->reply = reply; |
977 | c->length = length; |
978 | } |
979 | if (c->haveSaved) { |
980 | numFonts = c->savedNumFonts; |
981 | name = c->savedName; |
982 | namelen = strlen(name); |
983 | } |
984 | reply->type = X_Reply1; |
985 | reply->length = |
986 | bytes_to_int32(sizeof *reply - sizeof(xGenericReply) + |
987 | pFontInfo->nprops * sizeof(xFontProp) + namelen); |
988 | reply->sequenceNumber = client->sequence; |
989 | reply->nameLength = namelen; |
990 | reply->minBounds = pFontInfo->ink_minbounds; |
991 | reply->maxBounds = pFontInfo->ink_maxbounds; |
992 | reply->minCharOrByte2 = pFontInfo->firstCol; |
993 | reply->maxCharOrByte2 = pFontInfo->lastCol; |
994 | reply->defaultChar = pFontInfo->defaultCh; |
995 | reply->nFontProps = pFontInfo->nprops; |
996 | reply->drawDirection = pFontInfo->drawDirection; |
997 | reply->minByte1 = pFontInfo->firstRow; |
998 | reply->maxByte1 = pFontInfo->lastRow; |
999 | reply->allCharsExist = pFontInfo->allExist; |
1000 | reply->fontAscent = pFontInfo->fontAscent; |
1001 | reply->fontDescent = pFontInfo->fontDescent; |
1002 | reply->nReplies = numFonts; |
1003 | pFP = (xFontProp *) (reply + 1); |
1004 | for (i = 0; i < pFontInfo->nprops; i++) { |
1005 | pFP->name = pFontInfo->props[i].name; |
1006 | pFP->value = pFontInfo->props[i].value; |
1007 | pFP++; |
1008 | } |
1009 | WriteSwappedDataToClient(client, length, reply)if ((client)->swapped) (*(client)->pSwapReplyFunc)(client , (int)(length), reply); else WriteToClient(client, (int)(length ), (reply));; |
1010 | WriteToClient(client, namelen, name); |
1011 | if (pFontInfo == &fontInfo) { |
1012 | free(fontInfo.props); |
1013 | free(fontInfo.isStringProp); |
1014 | } |
1015 | --c->current.max_names; |
1016 | } |
1017 | } |
1018 | finish: |
1019 | length = sizeof(xListFontsWithInfoReply); |
1020 | finalReply = (xListFontsWithInfoReply) { |
1021 | .type = X_Reply1, |
1022 | .sequenceNumber = client->sequence, |
1023 | .length = bytes_to_int32(sizeof(xListFontsWithInfoReply) |
1024 | - sizeof(xGenericReply)) |
1025 | }; |
1026 | WriteSwappedDataToClient(client, length, &finalReply)if ((client)->swapped) (*(client)->pSwapReplyFunc)(client , (int)(length), &finalReply); else WriteToClient(client, (int)(length), (&finalReply));; |
1027 | bail: |
1028 | ClientWakeup(client); |
1029 | for (i = 0; i < c->num_fpes; i++) |
1030 | FreeFPE(c->fpe_list[i]); |
1031 | free(c->reply); |
1032 | free(c->fpe_list); |
1033 | free(c->savedName); |
1034 | free(c); |
1035 | return TRUE1; |
1036 | } |
1037 | |
1038 | int |
1039 | StartListFontsWithInfo(ClientPtr client, int length, unsigned char *pattern, |
1040 | int max_names) |
1041 | { |
1042 | int i; |
1043 | LFWIclosurePtr c; |
1044 | |
1045 | /* |
1046 | * The right error to return here would be BadName, however the |
1047 | * specification does not allow for a Name error on this request. |
1048 | * Perhaps a better solution would be to return a nil list, i.e. |
1049 | * a list containing zero fontnames. |
1050 | */ |
1051 | if (length > XLFDMAXFONTNAMELEN256) |
1052 | return BadAlloc11; |
1053 | |
1054 | i = XaceHook(XACE_SERVER_ACCESS9, client, DixGetAttrAccess(1<<4)); |
1055 | if (i != Success0) |
1056 | return i; |
1057 | |
1058 | if (!(c = malloc(sizeof *c))) |
1059 | goto badAlloc; |
1060 | c->fpe_list = malloc(sizeof(FontPathElementPtr) * num_fpes); |
1061 | if (!c->fpe_list) { |
1062 | free(c); |
1063 | goto badAlloc; |
1064 | } |
1065 | memmove(c->current.pattern, pattern, length)__builtin___memmove_chk (c->current.pattern, pattern, length , __builtin_object_size (c->current.pattern, 0)); |
1066 | for (i = 0; i < num_fpes; i++) { |
1067 | c->fpe_list[i] = font_path_elements[i]; |
1068 | UseFPE(c->fpe_list[i]); |
1069 | } |
1070 | c->client = client; |
1071 | c->num_fpes = num_fpes; |
1072 | c->reply = 0; |
1073 | c->length = 0; |
1074 | c->current.patlen = length; |
1075 | c->current.current_fpe = 0; |
1076 | c->current.max_names = max_names; |
1077 | c->current.list_started = FALSE0; |
1078 | c->current.private = 0; |
1079 | c->savedNumFonts = 0; |
1080 | c->haveSaved = FALSE0; |
1081 | c->savedName = 0; |
1082 | doListFontsWithInfo(client, c); |
1083 | return Success0; |
1084 | badAlloc: |
1085 | return BadAlloc11; |
1086 | } |
1087 | |
1088 | #define TextEltHeader 2 |
1089 | #define FontShiftSize 5 |
1090 | static ChangeGCVal clearGC[] = { {.ptr = NullPixmap((PixmapPtr)0)} }; |
1091 | |
1092 | #define clearGCmask((1L<<19)) (GCClipMask(1L<<19)) |
1093 | |
1094 | int |
1095 | doPolyText(ClientPtr client, PTclosurePtr c) |
1096 | { |
1097 | FontPtr pFont = c->pGC->font, oldpFont; |
1098 | int err = Success0, lgerr; /* err is in X error, not font error, space */ |
1099 | enum { NEVER_SLEPT, START_SLEEP, SLEEPING } client_state = NEVER_SLEPT; |
1100 | FontPathElementPtr fpe; |
1101 | GC *origGC = NULL((void*)0); |
1102 | int itemSize = c->reqType == X_PolyText874 ? 1 : 2; |
1103 | |
1104 | if (client->clientGone) { |
1105 | fpe = c->pGC->font->fpe; |
1106 | (*fpe_functions[fpe->type].client_died) ((void *) client, fpe); |
1107 | |
1108 | if (ClientIsAsleep(client)) { |
1109 | /* Client has died, but we cannot bail out right now. We |
1110 | need to clean up after the work we did when going to |
1111 | sleep. Setting the drawable poiner to 0 makes this |
1112 | happen without any attempts to render or perform other |
1113 | unnecessary activities. */ |
1114 | c->pDraw = (DrawablePtr) 0; |
1115 | } |
1116 | else { |
1117 | err = Success0; |
1118 | goto bail; |
1119 | } |
1120 | } |
1121 | |
1122 | /* Make sure our drawable hasn't disappeared while we slept. */ |
1123 | if (ClientIsAsleep(client) && c->pDraw) { |
1124 | DrawablePtr pDraw; |
1125 | |
1126 | dixLookupDrawable(&pDraw, c->did, client, 0, DixWriteAccess(1<<1)); |
1127 | if (c->pDraw != pDraw) { |
1128 | /* Our drawable has disappeared. Treat like client died... ask |
1129 | the FPE code to clean up after client and avoid further |
1130 | rendering while we clean up after ourself. */ |
1131 | fpe = c->pGC->font->fpe; |
1132 | (*fpe_functions[fpe->type].client_died) ((void *) client, fpe); |
1133 | c->pDraw = (DrawablePtr) 0; |
1134 | } |
1135 | } |
1136 | |
1137 | client_state = ClientIsAsleep(client) ? SLEEPING : NEVER_SLEPT; |
1138 | |
1139 | while (c->endReq - c->pElt > TextEltHeader) { |
1140 | if (*c->pElt == FontChange255) { |
1141 | Font fid; |
1142 | |
1143 | if (c->endReq - c->pElt < FontShiftSize) { |
1144 | err = BadLength16; |
1145 | goto bail; |
1146 | } |
1147 | |
1148 | oldpFont = pFont; |
1149 | |
1150 | fid = ((Font) *(c->pElt + 4)) /* big-endian */ |
1151 | |((Font) *(c->pElt + 3)) << 8 |
1152 | | ((Font) *(c->pElt + 2)) << 16 | ((Font) *(c->pElt + 1)) << 24; |
1153 | err = dixLookupResourceByType((void **) &pFont, fid, RT_FONT((RESTYPE)4), |
1154 | client, DixUseAccess(1<<24)); |
1155 | if (err != Success0) { |
1156 | /* restore pFont for step 4 (described below) */ |
1157 | pFont = oldpFont; |
1158 | |
1159 | /* If we're in START_SLEEP mode, the following step |
1160 | shortens the request... in the unlikely event that |
1161 | the fid somehow becomes valid before we come through |
1162 | again to actually execute the polytext, which would |
1163 | then mess up our refcounting scheme badly. */ |
1164 | c->err = err; |
1165 | c->endReq = c->pElt; |
1166 | |
1167 | goto bail; |
1168 | } |
1169 | |
1170 | /* Step 3 (described below) on our new font */ |
1171 | if (client_state == START_SLEEP) |
1172 | pFont->refcnt++; |
1173 | else { |
1174 | if (pFont != c->pGC->font && c->pDraw) { |
1175 | ChangeGCVal val; |
1176 | |
1177 | val.ptr = pFont; |
1178 | ChangeGC(NullClient((ClientPtr) 0), c->pGC, GCFont(1L<<14), &val); |
1179 | ValidateGC(c->pDraw, c->pGC); |
1180 | } |
1181 | |
1182 | /* Undo the refcnt++ we performed when going to sleep */ |
1183 | if (client_state == SLEEPING) |
1184 | (void) CloseFont(c->pGC->font, (Font) 0); |
1185 | } |
1186 | c->pElt += FontShiftSize; |
1187 | } |
1188 | else { /* print a string */ |
1189 | |
1190 | unsigned char *pNextElt; |
1191 | |
1192 | pNextElt = c->pElt + TextEltHeader + (*c->pElt) * itemSize; |
1193 | if (pNextElt > c->endReq) { |
1194 | err = BadLength16; |
1195 | goto bail; |
1196 | } |
1197 | if (client_state == START_SLEEP) { |
1198 | c->pElt = pNextElt; |
1199 | continue; |
1200 | } |
1201 | if (c->pDraw) { |
1202 | lgerr = LoadGlyphs(client, c->pGC->font, *c->pElt, itemSize, |
1203 | c->pElt + TextEltHeader); |
1204 | } |
1205 | else |
1206 | lgerr = Successful85; |
1207 | |
1208 | if (lgerr == Suspended84) { |
1209 | if (!ClientIsAsleep(client)) { |
1210 | int len; |
1211 | GC *pGC; |
1212 | PTclosurePtr new_closure; |
1213 | |
1214 | /* We're putting the client to sleep. We need to do a few things |
1215 | to ensure successful and atomic-appearing execution of the |
1216 | remainder of the request. First, copy the remainder of the |
1217 | request into a safe malloc'd area. Second, create a scratch GC |
1218 | to use for the remainder of the request. Third, mark all fonts |
1219 | referenced in the remainder of the request to prevent their |
1220 | deallocation. Fourth, make the original GC look like the |
1221 | request has completed... set its font to the final font value |
1222 | from this request. These GC manipulations are for the unlikely |
1223 | (but possible) event that some other client is using the GC. |
1224 | Steps 3 and 4 are performed by running this procedure through |
1225 | the remainder of the request in a special no-render mode |
1226 | indicated by client_state = START_SLEEP. */ |
1227 | |
1228 | /* Step 1 */ |
1229 | /* Allocate a malloc'd closure structure to replace |
1230 | the local one we were passed */ |
1231 | new_closure = malloc(sizeof(PTclosureRec)); |
1232 | if (!new_closure) { |
1233 | err = BadAlloc11; |
1234 | goto bail; |
1235 | } |
1236 | *new_closure = *c; |
1237 | |
1238 | len = new_closure->endReq - new_closure->pElt; |
1239 | new_closure->data = malloc(len); |
1240 | if (!new_closure->data) { |
1241 | free(new_closure); |
1242 | err = BadAlloc11; |
1243 | goto bail; |
1244 | } |
1245 | memmove(new_closure->data, new_closure->pElt, len)__builtin___memmove_chk (new_closure->data, new_closure-> pElt, len, __builtin_object_size (new_closure->data, 0)); |
1246 | new_closure->pElt = new_closure->data; |
1247 | new_closure->endReq = new_closure->pElt + len; |
1248 | |
1249 | /* Step 2 */ |
1250 | |
1251 | pGC = |
1252 | GetScratchGC(new_closure->pGC->depth, |
1253 | new_closure->pGC->pScreen); |
1254 | if (!pGC) { |
1255 | free(new_closure->data); |
1256 | free(new_closure); |
1257 | err = BadAlloc11; |
1258 | goto bail; |
1259 | } |
1260 | if ((err = CopyGC(new_closure->pGC, pGC, GCFunction(1L<<0) | |
1261 | GCPlaneMask(1L<<1) | GCForeground(1L<<2) | |
1262 | GCBackground(1L<<3) | GCFillStyle(1L<<8) | |
1263 | GCTile(1L<<10) | GCStipple(1L<<11) | |
1264 | GCTileStipXOrigin(1L<<12) | |
1265 | GCTileStipYOrigin(1L<<13) | GCFont(1L<<14) | |
1266 | GCSubwindowMode(1L<<15) | GCClipXOrigin(1L<<17) | |
1267 | GCClipYOrigin(1L<<18) | GCClipMask(1L<<19))) != Success0) { |
1268 | FreeScratchGC(pGC); |
1269 | free(new_closure->data); |
1270 | free(new_closure); |
1271 | err = BadAlloc11; |
1272 | goto bail; |
1273 | } |
1274 | c = new_closure; |
1275 | origGC = c->pGC; |
1276 | c->pGC = pGC; |
1277 | ValidateGC(c->pDraw, c->pGC); |
1278 | |
1279 | ClientSleep(client, (ClientSleepProcPtr) doPolyText, c); |
1280 | |
1281 | /* Set up to perform steps 3 and 4 */ |
1282 | client_state = START_SLEEP; |
1283 | continue; /* on to steps 3 and 4 */ |
1284 | } |
1285 | return TRUE1; |
1286 | } |
1287 | else if (lgerr != Successful85) { |
1288 | err = FontToXError(lgerr); |
1289 | goto bail; |
1290 | } |
1291 | if (c->pDraw) { |
1292 | c->xorg += *((INT8 *) (c->pElt + 1)); /* must be signed */ |
1293 | if (c->reqType == X_PolyText874) |
1294 | c->xorg = |
1295 | (*c->pGC->ops->PolyText8) (c->pDraw, c->pGC, c->xorg, |
1296 | c->yorg, *c->pElt, |
1297 | (char *) (c->pElt + |
1298 | TextEltHeader)); |
1299 | else |
1300 | c->xorg = |
1301 | (*c->pGC->ops->PolyText16) (c->pDraw, c->pGC, c->xorg, |
1302 | c->yorg, *c->pElt, |
1303 | (unsigned short *) (c-> |
1304 | pElt + |
1305 | TextEltHeader)); |
1306 | } |
1307 | c->pElt = pNextElt; |
1308 | } |
1309 | } |
1310 | |
1311 | bail: |
1312 | |
1313 | if (client_state == START_SLEEP) { |
1314 | /* Step 4 */ |
1315 | if (pFont != origGC->font) { |
1316 | ChangeGCVal val; |
1317 | |
1318 | val.ptr = pFont; |
1319 | ChangeGC(NullClient((ClientPtr) 0), origGC, GCFont(1L<<14), &val); |
1320 | ValidateGC(c->pDraw, origGC); |
1321 | } |
1322 | |
1323 | /* restore pElt pointer for execution of remainder of the request */ |
1324 | c->pElt = c->data; |
1325 | return TRUE1; |
1326 | } |
1327 | |
1328 | if (c->err != Success0) |
1329 | err = c->err; |
1330 | if (err != Success0 && c->client != serverClient) { |
1331 | #ifdef PANORAMIX1 |
1332 | if (noPanoramiXExtension || !c->pGC->pScreen->myNum) |
1333 | #endif |
1334 | SendErrorToClient(c->client, c->reqType, 0, 0, err); |
1335 | } |
1336 | if (ClientIsAsleep(client)) { |
1337 | ClientWakeup(c->client); |
1338 | ChangeGC(NullClient((ClientPtr) 0), c->pGC, clearGCmask((1L<<19)), clearGC); |
1339 | |
1340 | /* Unreference the font from the scratch GC */ |
1341 | CloseFont(c->pGC->font, (Font) 0); |
1342 | c->pGC->font = NullFont((FontPtr) 0); |
1343 | |
1344 | FreeScratchGC(c->pGC); |
1345 | free(c->data); |
1346 | free(c); |
1347 | } |
1348 | return TRUE1; |
1349 | } |
1350 | |
1351 | int |
1352 | PolyText(ClientPtr client, DrawablePtr pDraw, GC * pGC, unsigned char *pElt, |
1353 | unsigned char *endReq, int xorg, int yorg, int reqType, XID did) |
1354 | { |
1355 | PTclosureRec local_closure; |
1356 | |
1357 | local_closure.pElt = pElt; |
1358 | local_closure.endReq = endReq; |
1359 | local_closure.client = client; |
1360 | local_closure.pDraw = pDraw; |
1361 | local_closure.xorg = xorg; |
1362 | local_closure.yorg = yorg; |
1363 | local_closure.reqType = reqType; |
1364 | local_closure.pGC = pGC; |
1365 | local_closure.did = did; |
1366 | local_closure.err = Success0; |
1367 | |
1368 | (void) doPolyText(client, &local_closure); |
1369 | return Success0; |
1370 | } |
1371 | |
1372 | #undef TextEltHeader |
1373 | #undef FontShiftSize |
1374 | |
1375 | int |
1376 | doImageText(ClientPtr client, ITclosurePtr c) |
1377 | { |
1378 | int err = Success0, lgerr; /* err is in X error, not font error, space */ |
1379 | FontPathElementPtr fpe; |
1380 | int itemSize = c->reqType == X_ImageText876 ? 1 : 2; |
1381 | |
1382 | if (client->clientGone) { |
1383 | fpe = c->pGC->font->fpe; |
1384 | (*fpe_functions[fpe->type].client_died) ((void *) client, fpe); |
1385 | err = Success0; |
1386 | goto bail; |
1387 | } |
1388 | |
1389 | /* Make sure our drawable hasn't disappeared while we slept. */ |
1390 | if (ClientIsAsleep(client) && c->pDraw) { |
1391 | DrawablePtr pDraw; |
1392 | |
1393 | dixLookupDrawable(&pDraw, c->did, client, 0, DixWriteAccess(1<<1)); |
1394 | if (c->pDraw != pDraw) { |
1395 | /* Our drawable has disappeared. Treat like client died... ask |
1396 | the FPE code to clean up after client. */ |
1397 | fpe = c->pGC->font->fpe; |
1398 | (*fpe_functions[fpe->type].client_died) ((void *) client, fpe); |
1399 | err = Success0; |
1400 | goto bail; |
1401 | } |
1402 | } |
1403 | |
1404 | lgerr = LoadGlyphs(client, c->pGC->font, c->nChars, itemSize, c->data); |
1405 | if (lgerr == Suspended84) { |
1406 | if (!ClientIsAsleep(client)) { |
1407 | GC *pGC; |
1408 | unsigned char *data; |
1409 | ITclosurePtr new_closure; |
1410 | ITclosurePtr old_closure; |
1411 | |
1412 | /* We're putting the client to sleep. We need to |
1413 | save some state. Similar problem to that handled |
1414 | in doPolyText, but much simpler because the |
1415 | request structure is much simpler. */ |
1416 | |
1417 | new_closure = malloc(sizeof(ITclosureRec)); |
1418 | if (!new_closure) { |
1419 | err = BadAlloc11; |
1420 | goto bail; |
1421 | } |
1422 | old_closure = c; |
1423 | *new_closure = *c; |
1424 | c = new_closure; |
1425 | |
1426 | data = malloc(c->nChars * itemSize); |
1427 | if (!data) { |
1428 | free(c); |
1429 | c = old_closure; |
1430 | err = BadAlloc11; |
1431 | goto bail; |
1432 | } |
1433 | memmove(data, c->data, c->nChars * itemSize)__builtin___memmove_chk (data, c->data, c->nChars * itemSize , __builtin_object_size (data, 0)); |
1434 | c->data = data; |
1435 | |
1436 | pGC = GetScratchGC(c->pGC->depth, c->pGC->pScreen); |
1437 | if (!pGC) { |
1438 | free(c->data); |
1439 | free(c); |
1440 | c = old_closure; |
1441 | err = BadAlloc11; |
1442 | goto bail; |
1443 | } |
1444 | if ((err = CopyGC(c->pGC, pGC, GCFunction(1L<<0) | GCPlaneMask(1L<<1) | |
1445 | GCForeground(1L<<2) | GCBackground(1L<<3) | GCFillStyle(1L<<8) | |
1446 | GCTile(1L<<10) | GCStipple(1L<<11) | GCTileStipXOrigin(1L<<12) | |
1447 | GCTileStipYOrigin(1L<<13) | GCFont(1L<<14) | |
1448 | GCSubwindowMode(1L<<15) | GCClipXOrigin(1L<<17) | |
1449 | GCClipYOrigin(1L<<18) | GCClipMask(1L<<19))) != Success0) { |
1450 | FreeScratchGC(pGC); |
1451 | free(c->data); |
1452 | free(c); |
1453 | c = old_closure; |
1454 | err = BadAlloc11; |
1455 | goto bail; |
1456 | } |
1457 | c->pGC = pGC; |
1458 | ValidateGC(c->pDraw, c->pGC); |
1459 | |
1460 | ClientSleep(client, (ClientSleepProcPtr) doImageText, c); |
1461 | } |
1462 | return TRUE1; |
1463 | } |
1464 | else if (lgerr != Successful85) { |
1465 | err = FontToXError(lgerr); |
1466 | goto bail; |
1467 | } |
1468 | if (c->pDraw) { |
1469 | if (c->reqType == X_ImageText876) |
1470 | (*c->pGC->ops->ImageText8) (c->pDraw, c->pGC, c->xorg, c->yorg, |
1471 | c->nChars, (char *) c->data); |
1472 | else |
1473 | (*c->pGC->ops->ImageText16) (c->pDraw, c->pGC, c->xorg, c->yorg, |
1474 | c->nChars, (unsigned short *) c->data); |
1475 | } |
1476 | |
1477 | bail: |
1478 | |
1479 | if (err != Success0 && c->client != serverClient) { |
1480 | SendErrorToClient(c->client, c->reqType, 0, 0, err); |
1481 | } |
1482 | if (ClientIsAsleep(client)) { |
1483 | ClientWakeup(c->client); |
1484 | ChangeGC(NullClient((ClientPtr) 0), c->pGC, clearGCmask((1L<<19)), clearGC); |
1485 | |
1486 | /* Unreference the font from the scratch GC */ |
1487 | CloseFont(c->pGC->font, (Font) 0); |
1488 | c->pGC->font = NullFont((FontPtr) 0); |
1489 | |
1490 | FreeScratchGC(c->pGC); |
1491 | free(c->data); |
1492 | free(c); |
1493 | } |
1494 | return TRUE1; |
1495 | } |
1496 | |
1497 | int |
1498 | ImageText(ClientPtr client, DrawablePtr pDraw, GC * pGC, int nChars, |
1499 | unsigned char *data, int xorg, int yorg, int reqType, XID did) |
1500 | { |
1501 | ITclosureRec local_closure; |
1502 | |
1503 | local_closure.client = client; |
1504 | local_closure.pDraw = pDraw; |
1505 | local_closure.pGC = pGC; |
1506 | local_closure.nChars = nChars; |
1507 | local_closure.data = data; |
1508 | local_closure.xorg = xorg; |
1509 | local_closure.yorg = yorg; |
1510 | local_closure.reqType = reqType; |
1511 | local_closure.did = did; |
1512 | |
1513 | (void) doImageText(client, &local_closure); |
1514 | return Success0; |
1515 | } |
1516 | |
1517 | /* does the necessary magic to figure out the fpe type */ |
1518 | static int |
1519 | DetermineFPEType(const char *pathname) |
1520 | { |
1521 | int i; |
1522 | |
1523 | for (i = 0; i < num_fpe_types; i++) { |
1524 | if ((*fpe_functions[i].name_check) (pathname)) |
1525 | return i; |
1526 | } |
1527 | return -1; |
1528 | } |
1529 | |
1530 | static void |
1531 | FreeFontPath(FontPathElementPtr * list, int n, Bool force) |
1532 | { |
1533 | int i; |
1534 | |
1535 | for (i = 0; i < n; i++) { |
1536 | if (force) { |
1537 | /* Sanity check that all refcounts will be 0 by the time |
1538 | we get to the end of the list. */ |
1539 | int found = 1; /* the first reference is us */ |
1540 | int j; |
1541 | |
1542 | for (j = i + 1; j < n; j++) { |
1543 | if (list[j] == list[i]) |
1544 | found++; |
1545 | } |
1546 | if (list[i]->refcount != found) { |
1547 | list[i]->refcount = found; /* ensure it will get freed */ |
1548 | } |
1549 | } |
1550 | FreeFPE(list[i]); |
1551 | } |
1552 | free(list); |
1553 | } |
1554 | |
1555 | static FontPathElementPtr |
1556 | find_existing_fpe(FontPathElementPtr * list, int num, unsigned char *name, |
1557 | int len) |
1558 | { |
1559 | FontPathElementPtr fpe; |
1560 | int i; |
1561 | |
1562 | for (i = 0; i < num; i++) { |
1563 | fpe = list[i]; |
1564 | if (fpe->name_length == len && memcmp(name, fpe->name, len) == 0) |
1565 | return fpe; |
1566 | } |
1567 | return (FontPathElementPtr) 0; |
1568 | } |
1569 | |
1570 | static int |
1571 | SetFontPathElements(int npaths, unsigned char *paths, int *bad, Bool persist) |
1572 | { |
1573 | int i, err = 0; |
1574 | int valid_paths = 0; |
1575 | unsigned int len; |
1576 | unsigned char *cp = paths; |
1577 | FontPathElementPtr fpe = NULL((void*)0), *fplist; |
1578 | |
1579 | fplist = malloc(sizeof(FontPathElementPtr) * npaths); |
1580 | if (!fplist) { |
1581 | *bad = 0; |
1582 | return BadAlloc11; |
1583 | } |
1584 | for (i = 0; i < num_fpe_types; i++) { |
1585 | if (fpe_functions[i].set_path_hook) |
1586 | (*fpe_functions[i].set_path_hook) (); |
1587 | } |
1588 | for (i = 0; i < npaths; i++) { |
1589 | len = (unsigned int) (*cp++); |
1590 | |
1591 | if (len == 0) { |
1592 | if (persist) |
1593 | ErrorF |
1594 | ("[dix] Removing empty element from the valid list of fontpaths\n"); |
1595 | err = BadValue2; |
1596 | } |
1597 | else { |
1598 | /* if it's already in our active list, just reset it */ |
1599 | /* |
1600 | * note that this can miss FPE's in limbo -- may be worth catching |
1601 | * them, though it'd muck up refcounting |
1602 | */ |
1603 | fpe = find_existing_fpe(font_path_elements, num_fpes, cp, len); |
1604 | if (fpe) { |
1605 | err = (*fpe_functions[fpe->type].reset_fpe) (fpe); |
1606 | if (err == Successful85) { |
1607 | UseFPE(fpe); /* since it'll be decref'd later when freed |
1608 | * from the old list */ |
1609 | } |
1610 | else |
1611 | fpe = 0; |
1612 | } |
1613 | /* if error or can't do it, act like it's a new one */ |
1614 | if (!fpe) { |
1615 | char *name; |
1616 | fpe = malloc(sizeof(FontPathElementRec)); |
1617 | if (!fpe) { |
1618 | err = BadAlloc11; |
1619 | goto bail; |
1620 | } |
1621 | name = malloc(len + 1); |
1622 | if (!name) { |
1623 | free(fpe); |
1624 | err = BadAlloc11; |
1625 | goto bail; |
1626 | } |
1627 | fpe->refcount = 1; |
1628 | |
1629 | strncpy(name, (char *) cp, (int) len)__builtin___strncpy_chk (name, (char *) cp, (int) len, __builtin_object_size (name, 2 > 1 ? 1 : 0)); |
1630 | name[len] = '\0'; |
1631 | fpe->name = name; |
1632 | fpe->name_length = len; |
1633 | fpe->type = DetermineFPEType(fpe->name); |
1634 | if (fpe->type == -1) |
1635 | err = BadValue2; |
1636 | else |
1637 | err = (*fpe_functions[fpe->type].init_fpe) (fpe); |
1638 | if (err != Successful85) { |
1639 | if (persist) { |
1640 | DebugF |
1641 | ("[dix] Could not init font path element %s, removing from list!\n", |
1642 | fpe->name); |
1643 | } |
1644 | free((void *) fpe->name); |
1645 | free(fpe); |
1646 | } |
1647 | } |
1648 | } |
1649 | if (err != Successful85) { |
1650 | if (!persist) |
1651 | goto bail; |
1652 | } |
1653 | else { |
1654 | fplist[valid_paths++] = fpe; |
1655 | } |
1656 | cp += len; |
1657 | } |
1658 | |
1659 | FreeFontPath(font_path_elements, num_fpes, FALSE0); |
1660 | font_path_elements = fplist; |
1661 | if (patternCache) |
1662 | EmptyFontPatternCache(patternCache); |
1663 | num_fpes = valid_paths; |
1664 | |
1665 | return Success0; |
1666 | bail: |
1667 | *bad = i; |
1668 | while (--valid_paths >= 0) |
1669 | FreeFPE(fplist[valid_paths]); |
1670 | free(fplist); |
1671 | return FontToXError(err); |
1672 | } |
1673 | |
1674 | int |
1675 | SetFontPath(ClientPtr client, int npaths, unsigned char *paths) |
1676 | { |
1677 | int err = XaceHook(XACE_SERVER_ACCESS9, client, DixManageAccess(1<<25)); |
1678 | |
1679 | if (err != Success0) |
1680 | return err; |
1681 | |
1682 | if (npaths == 0) { |
1683 | if (SetDefaultFontPath(defaultFontPath) != Success0) |
1684 | return BadValue2; |
1685 | } |
1686 | else { |
1687 | int bad; |
1688 | |
1689 | err = SetFontPathElements(npaths, paths, &bad, FALSE0); |
1690 | client->errorValue = bad; |
1691 | } |
1692 | return err; |
1693 | } |
1694 | |
1695 | int |
1696 | SetDefaultFontPath(const char *path) |
1697 | { |
1698 | const char *start, *end; |
1699 | char *temp_path; |
1700 | unsigned char *cp, *pp, *nump, *newpath; |
1701 | int num = 1, len, err, size = 0, bad; |
1702 | |
1703 | /* ensure temp_path contains "built-ins" */ |
1704 | start = path; |
1705 | while (1) { |
1706 | start = strstr(start, "built-ins"); |
1707 | if (start == NULL((void*)0)) |
1708 | break; |
1709 | end = start + strlen("built-ins"); |
1710 | if ((start == path || start[-1] == ',') && (!*end || *end == ',')) |
1711 | break; |
1712 | start = end; |
1713 | } |
1714 | if (!start) { |
1715 | if (asprintf(&temp_path, "%s%sbuilt-ins", path, *path ? "," : "") |
1716 | == -1) |
1717 | temp_path = NULL((void*)0); |
1718 | } |
1719 | else { |
1720 | temp_path = strdup(path); |
1721 | } |
1722 | if (!temp_path) |
1723 | return BadAlloc11; |
1724 | |
1725 | /* get enough for string, plus values -- use up commas */ |
1726 | len = strlen(temp_path) + 1; |
1727 | nump = cp = newpath = malloc(len); |
1728 | if (!newpath) { |
1729 | free(temp_path); |
1730 | return BadAlloc11; |
1731 | } |
1732 | pp = (unsigned char *) temp_path; |
1733 | cp++; |
1734 | while (*pp) { |
1735 | if (*pp == ',') { |
1736 | *nump = (unsigned char) size; |
1737 | nump = cp++; |
1738 | pp++; |
1739 | num++; |
1740 | size = 0; |
1741 | } |
1742 | else { |
1743 | *cp++ = *pp++; |
1744 | size++; |
1745 | } |
1746 | } |
1747 | *nump = (unsigned char) size; |
1748 | |
1749 | err = SetFontPathElements(num, newpath, &bad, TRUE1); |
1750 | |
1751 | free(newpath); |
1752 | free(temp_path); |
1753 | |
1754 | return err; |
1755 | } |
1756 | |
1757 | int |
1758 | GetFontPath(ClientPtr client, int *count, int *length, unsigned char **result) |
1759 | { |
1760 | int i; |
1761 | unsigned char *c; |
1762 | int len; |
1763 | FontPathElementPtr fpe; |
1764 | |
1765 | i = XaceHook(XACE_SERVER_ACCESS9, client, DixGetAttrAccess(1<<4)); |
1766 | if (i != Success0) |
1767 | return i; |
1768 | |
1769 | len = 0; |
1770 | for (i = 0; i < num_fpes; i++) { |
1771 | fpe = font_path_elements[i]; |
1772 | len += fpe->name_length + 1; |
1773 | } |
1774 | c = realloc(font_path_string, len); |
1775 | if (c == NULL((void*)0)) { |
1776 | free(font_path_string); |
1777 | font_path_string = NULL((void*)0); |
1778 | return BadAlloc11; |
1779 | } |
1780 | |
1781 | font_path_string = c; |
1782 | *length = 0; |
1783 | for (i = 0; i < num_fpes; i++) { |
1784 | fpe = font_path_elements[i]; |
1785 | *c = fpe->name_length; |
1786 | *length += *c++; |
1787 | memmove(c, fpe->name, fpe->name_length)__builtin___memmove_chk (c, fpe->name, fpe->name_length , __builtin_object_size (c, 0)); |
1788 | c += fpe->name_length; |
1789 | } |
1790 | *count = num_fpes; |
1791 | *result = font_path_string; |
1792 | return Success0; |
1793 | } |
1794 | |
1795 | void |
1796 | DeleteClientFontStuff(ClientPtr client) |
1797 | { |
1798 | int i; |
1799 | FontPathElementPtr fpe; |
1800 | |
1801 | for (i = 0; i < num_fpes; i++) { |
1802 | fpe = font_path_elements[i]; |
1803 | if (fpe_functions[fpe->type].client_died) |
1804 | (*fpe_functions[fpe->type].client_died) ((void *) client, fpe); |
1805 | } |
1806 | } |
1807 | |
1808 | void |
1809 | InitFontsDarwin_X_InitFonts(void) |
1810 | { |
1811 | patternCache = MakeFontPatternCache(); |
1812 | |
1813 | register_fpe_functions(); |
1814 | } |
1815 | |
1816 | _X_EXPORT__attribute__((visibility("default"))) |
1817 | int |
1818 | GetDefaultPointSize(void) |
1819 | { |
1820 | return 120; |
1821 | } |
1822 | |
1823 | _X_EXPORT__attribute__((visibility("default"))) |
1824 | FontResolutionPtr |
1825 | GetClientResolutions(int *num) |
1826 | { |
1827 | static struct _FontResolution res; |
1828 | ScreenPtr pScreen; |
1829 | |
1830 | pScreen = screenInfo.screens[0]; |
1831 | res.x_resolution = (pScreen->width * 25.4) / pScreen->mmWidth; |
1832 | /* |
1833 | * XXX - we'll want this as long as bitmap instances are prevalent |
1834 | so that we can match them from scalable fonts |
1835 | */ |
1836 | if (res.x_resolution < 88) |
1837 | res.x_resolution = 75; |
1838 | else |
1839 | res.x_resolution = 100; |
1840 | res.y_resolution = (pScreen->height * 25.4) / pScreen->mmHeight; |
1841 | if (res.y_resolution < 88) |
1842 | res.y_resolution = 75; |
1843 | else |
1844 | res.y_resolution = 100; |
1845 | res.point_size = 120; |
1846 | *num = 1; |
1847 | return &res; |
1848 | } |
1849 | |
1850 | /* |
1851 | * returns the type index of the new fpe |
1852 | * |
1853 | * should be called (only once!) by each type of fpe when initialized |
1854 | */ |
1855 | |
1856 | _X_EXPORT__attribute__((visibility("default"))) |
1857 | int |
1858 | RegisterFPEFunctions(NameCheckFunc name_func, |
1859 | InitFpeFunc init_func, |
1860 | FreeFpeFunc free_func, |
1861 | ResetFpeFunc reset_func, |
1862 | OpenFontFunc open_func, |
1863 | CloseFontFunc close_func, |
1864 | ListFontsFunc list_func, |
1865 | StartLfwiFunc start_lfwi_func, |
1866 | NextLfwiFunc next_lfwi_func, |
1867 | WakeupFpeFunc wakeup_func, |
1868 | ClientDiedFunc client_died, |
1869 | LoadGlyphsFunc load_glyphs, |
1870 | StartLaFunc start_list_alias_func, |
1871 | NextLaFunc next_list_alias_func, SetPathFunc set_path_func) |
1872 | { |
1873 | FPEFunctions *new; |
1874 | |
1875 | /* grow the list */ |
1876 | new = (FPEFunctions *) realloc(fpe_functions, |
1877 | (num_fpe_types + 1) * sizeof(FPEFunctions)); |
1878 | if (!new) |
1879 | return -1; |
1880 | fpe_functions = new; |
1881 | |
1882 | fpe_functions[num_fpe_types].name_check = name_func; |
1883 | fpe_functions[num_fpe_types].open_font = open_func; |
1884 | fpe_functions[num_fpe_types].close_font = close_func; |
1885 | fpe_functions[num_fpe_types].wakeup_fpe = wakeup_func; |
1886 | fpe_functions[num_fpe_types].list_fonts = list_func; |
1887 | fpe_functions[num_fpe_types].start_list_fonts_with_info = start_lfwi_func; |
1888 | fpe_functions[num_fpe_types].list_next_font_with_info = next_lfwi_func; |
1889 | fpe_functions[num_fpe_types].init_fpe = init_func; |
1890 | fpe_functions[num_fpe_types].free_fpe = free_func; |
1891 | fpe_functions[num_fpe_types].reset_fpe = reset_func; |
1892 | fpe_functions[num_fpe_types].client_died = client_died; |
1893 | fpe_functions[num_fpe_types].load_glyphs = load_glyphs; |
1894 | fpe_functions[num_fpe_types].start_list_fonts_and_aliases = |
1895 | start_list_alias_func; |
1896 | fpe_functions[num_fpe_types].list_next_font_or_alias = next_list_alias_func; |
1897 | fpe_functions[num_fpe_types].set_path_hook = set_path_func; |
1898 | |
1899 | return num_fpe_types++; |
1900 | } |
1901 | |
1902 | void |
1903 | FreeFonts(void) |
1904 | { |
1905 | if (patternCache) { |
1906 | FreeFontPatternCache(patternCache); |
1907 | patternCache = 0; |
1908 | } |
1909 | FreeFontPath(font_path_elements, num_fpes, TRUE1); |
1910 | font_path_elements = 0; |
1911 | num_fpes = 0; |
1912 | free(fpe_functions); |
1913 | num_fpe_types = 0; |
1914 | fpe_functions = (FPEFunctions *) 0; |
1915 | } |
1916 | |
1917 | /* convenience functions for FS interface */ |
1918 | |
1919 | FontPtr |
1920 | find_old_font(XID id) |
1921 | { |
1922 | void *pFont; |
1923 | |
1924 | dixLookupResourceByType(&pFont, id, RT_NONE((RESTYPE)0), serverClient, DixReadAccess(1<<0)); |
1925 | return (FontPtr) pFont; |
1926 | } |
1927 | |
1928 | _X_EXPORT__attribute__((visibility("default"))) |
1929 | Font |
1930 | GetNewFontClientID(void) |
1931 | { |
1932 | return FakeClientID(0); |
1933 | } |
1934 | |
1935 | _X_EXPORT__attribute__((visibility("default"))) |
1936 | int |
1937 | StoreFontClientFont(FontPtr pfont, Font id) |
1938 | { |
1939 | return AddResourceDarwin_X_AddResource(id, RT_NONE((RESTYPE)0), (void *) pfont); |
1940 | } |
1941 | |
1942 | _X_EXPORT__attribute__((visibility("default"))) |
1943 | void |
1944 | DeleteFontClientID(Font id) |
1945 | { |
1946 | FreeResource(id, RT_NONE((RESTYPE)0)); |
1947 | } |
1948 | |
1949 | _X_EXPORT__attribute__((visibility("default"))) |
1950 | int |
1951 | client_auth_generation(ClientPtr client) |
1952 | { |
1953 | return 0; |
1954 | } |
1955 | |
1956 | static int fs_handlers_installed = 0; |
1957 | static unsigned int last_server_gen; |
1958 | |
1959 | _X_EXPORT__attribute__((visibility("default"))) |
1960 | int |
1961 | init_fs_handlers(FontPathElementPtr fpe, BlockHandlerProcPtr block_handler) |
1962 | { |
1963 | /* if server has reset, make sure the b&w handlers are reinstalled */ |
1964 | if (last_server_gen < serverGeneration) { |
1965 | last_server_gen = serverGeneration; |
1966 | fs_handlers_installed = 0; |
1967 | } |
1968 | if (fs_handlers_installed == 0) { |
1969 | if (!RegisterBlockAndWakeupHandlers(block_handler, |
1970 | FontWakeup, (void *) 0)) |
1971 | return AllocError80; |
1972 | fs_handlers_installed++; |
1973 | } |
1974 | QueueFontWakeup(fpe); |
1975 | return Successful85; |
1976 | } |
1977 | |
1978 | _X_EXPORT__attribute__((visibility("default"))) |
1979 | void |
1980 | remove_fs_handlers(FontPathElementPtr fpe, BlockHandlerProcPtr block_handler, |
1981 | Bool all) |
1982 | { |
1983 | if (all) { |
1984 | /* remove the handlers if no one else is using them */ |
1985 | if (--fs_handlers_installed == 0) { |
1986 | RemoveBlockAndWakeupHandlers(block_handler, FontWakeup, |
1987 | (void *) 0); |
1988 | } |
1989 | } |
1990 | RemoveFontWakeup(fpe); |
1991 | } |