File: | dix/dixfonts.c |
Location: | line 1774, column 9 |
Description: | Call to 'realloc' has an allocation size of 0 bytes |
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; | |||
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 | } |