File: | src/Convert.c |
Location: | line 703, column 22 |
Description: | Access to field 'converterTable' results in a dereference of a null pointer (loaded from variable 'app') |
1 | /*********************************************************** | |||
2 | Copyright (c) 1993, Oracle and/or its affiliates. All rights reserved. | |||
3 | ||||
4 | Permission is hereby granted, free of charge, to any person obtaining a | |||
5 | copy of this software and associated documentation files (the "Software"), | |||
6 | to deal in the Software without restriction, including without limitation | |||
7 | the rights to use, copy, modify, merge, publish, distribute, sublicense, | |||
8 | and/or sell copies of the Software, and to permit persons to whom the | |||
9 | Software is furnished to do so, subject to the following conditions: | |||
10 | ||||
11 | The above copyright notice and this permission notice (including the next | |||
12 | paragraph) shall be included in all copies or substantial portions of the | |||
13 | Software. | |||
14 | ||||
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |||
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |||
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |||
18 | THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |||
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |||
20 | FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |||
21 | DEALINGS IN THE SOFTWARE. | |||
22 | ||||
23 | Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. | |||
24 | ||||
25 | All Rights Reserved | |||
26 | ||||
27 | Permission to use, copy, modify, and distribute this software and its | |||
28 | documentation for any purpose and without fee is hereby granted, | |||
29 | provided that the above copyright notice appear in all copies and that | |||
30 | both that copyright notice and this permission notice appear in | |||
31 | supporting documentation, and that the name of Digital not be | |||
32 | used in advertising or publicity pertaining to distribution of the | |||
33 | software without specific, written prior permission. | |||
34 | ||||
35 | DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING | |||
36 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL | |||
37 | DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR | |||
38 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, | |||
39 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, | |||
40 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS | |||
41 | SOFTWARE. | |||
42 | ||||
43 | ******************************************************************/ | |||
44 | ||||
45 | /* | |||
46 | ||||
47 | Copyright 1987, 1988, 1998 The Open Group | |||
48 | ||||
49 | Permission to use, copy, modify, distribute, and sell this software and its | |||
50 | documentation for any purpose is hereby granted without fee, provided that | |||
51 | the above copyright notice appear in all copies and that both that | |||
52 | copyright notice and this permission notice appear in supporting | |||
53 | documentation. | |||
54 | ||||
55 | The above copyright notice and this permission notice shall be included in | |||
56 | all copies or substantial portions of the Software. | |||
57 | ||||
58 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |||
59 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |||
60 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |||
61 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN | |||
62 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |||
63 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |||
64 | ||||
65 | Except as contained in this notice, the name of The Open Group shall not be | |||
66 | used in advertising or otherwise to promote the sale, use or other dealings | |||
67 | in this Software without prior written authorization from The Open Group. | |||
68 | ||||
69 | */ | |||
70 | ||||
71 | #ifdef HAVE_CONFIG_H1 | |||
72 | #include <config.h> | |||
73 | #endif | |||
74 | #include "IntrinsicI.h" | |||
75 | #include "StringDefs.h" | |||
76 | #include "Intrinsic.h" | |||
77 | ||||
78 | /* Conversion procedure hash table */ | |||
79 | ||||
80 | #define CONVERTHASHSIZE((unsigned)256) ((unsigned)256) | |||
81 | #define CONVERTHASHMASK255 255 | |||
82 | #define ProcHash(from_type, to_type)(2 * (from_type) + to_type) (2 * (from_type) + to_type) | |||
83 | ||||
84 | typedef struct _ConverterRec *ConverterPtr; | |||
85 | typedef struct _ConverterRec { | |||
86 | ConverterPtr next; | |||
87 | XrmRepresentation from, to; | |||
88 | XtTypeConverter converter; | |||
89 | XtDestructor destructor; | |||
90 | unsigned short num_args; | |||
91 | unsigned int do_ref_count:1; | |||
92 | unsigned int new_style:1; | |||
93 | unsigned int global:1; | |||
94 | char cache_type; | |||
95 | } ConverterRec; | |||
96 | ||||
97 | #define ConvertArgs(p)((XtConvertArgList)((p)+1)) ((XtConvertArgList)((p)+1)) | |||
98 | ||||
99 | /* used for old-style type converter cache only */ | |||
100 | static Heap globalHeap = {NULL((void*)0), NULL((void*)0), 0}; | |||
101 | ||||
102 | void _XtSetDefaultConverterTable( | |||
103 | ConverterTable *table) | |||
104 | { | |||
105 | register ConverterTable globalConverterTable; | |||
106 | ||||
107 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); | |||
108 | globalConverterTable = _XtGetProcessContext()->globalConverterTable; | |||
109 | ||||
110 | *table = (ConverterTable) | |||
111 | __XtCalloc(CONVERTHASHSIZE((unsigned)256), (unsigned)sizeof(ConverterPtr)); | |||
112 | _XtAddDefaultConverters(*table); | |||
113 | ||||
114 | if (globalConverterTable) { | |||
115 | ConverterPtr rec; | |||
116 | int i; | |||
117 | XtCacheType cache_type; | |||
118 | for (i = CONVERTHASHSIZE((unsigned)256); --i >= 0; ) { | |||
119 | for (rec = *globalConverterTable++; rec; rec = rec->next) { | |||
120 | cache_type = rec->cache_type; | |||
121 | if (rec->do_ref_count) | |||
122 | cache_type |= XtCacheRefCount0x100; | |||
123 | _XtTableAddConverter(*table, rec->from, rec->to, rec->converter, | |||
124 | ConvertArgs(rec)((XtConvertArgList)((rec)+1)), rec->num_args, | |||
125 | rec->new_style, cache_type, | |||
126 | rec->destructor, True1); | |||
127 | } | |||
128 | } | |||
129 | } | |||
130 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
131 | } | |||
132 | ||||
133 | void _XtFreeConverterTable( | |||
134 | ConverterTable table) | |||
135 | { | |||
136 | register Cardinal i; | |||
137 | register ConverterPtr p; | |||
138 | ||||
139 | for (i = 0; i < CONVERTHASHSIZE((unsigned)256); i++) { | |||
140 | for (p = table[i]; p; ) { | |||
141 | register ConverterPtr next = p->next; | |||
142 | XtFree((char*)p); | |||
143 | p = next; | |||
144 | } | |||
145 | } | |||
146 | XtFree((char*)table); | |||
147 | } | |||
148 | ||||
149 | /* Data cache hash table */ | |||
150 | ||||
151 | typedef struct _CacheRec *CachePtr; | |||
152 | ||||
153 | typedef struct _CacheRec { | |||
154 | CachePtr next; | |||
155 | XtPointer tag; | |||
156 | int hash; | |||
157 | XtTypeConverter converter; | |||
158 | unsigned short num_args; | |||
159 | unsigned int conversion_succeeded:1; | |||
160 | unsigned int has_ext:1; | |||
161 | unsigned int is_refcounted:1; | |||
162 | unsigned int must_be_freed:1; | |||
163 | unsigned int from_is_value:1; | |||
164 | unsigned int to_is_value:1; | |||
165 | XrmValue from; | |||
166 | XrmValue to; | |||
167 | } CacheRec; | |||
168 | ||||
169 | typedef struct _CacheRecExt { | |||
170 | CachePtr *prev; | |||
171 | XtDestructor destructor; | |||
172 | XtPointer closure; | |||
173 | long ref_count; | |||
174 | } CacheRecExt; | |||
175 | ||||
176 | #define CEXT(p)((CacheRecExt *)((p)+1)) ((CacheRecExt *)((p)+1)) | |||
177 | #define CARGS(p)((p)->has_ext ? (XrmValue *)(((CacheRecExt *)((p)+1))+1) : (XrmValue *)((p)+1)) ((p)->has_ext ? (XrmValue *)(CEXT(p)((CacheRecExt *)((p)+1))+1) : (XrmValue *)((p)+1)) | |||
178 | ||||
179 | #define CACHEHASHSIZE256 256 | |||
180 | #define CACHEHASHMASK255 255 | |||
181 | typedef CachePtr CacheHashTable[CACHEHASHSIZE256]; | |||
182 | ||||
183 | static CacheHashTable cacheHashTable; | |||
184 | ||||
185 | void _XtTableAddConverter( | |||
186 | ConverterTable table, | |||
187 | XrmRepresentation from_type, | |||
188 | XrmRepresentation to_type, | |||
189 | XtTypeConverter converter, | |||
190 | XtConvertArgList convert_args, | |||
191 | Cardinal num_args, | |||
192 | _XtBooleanint new_style, | |||
193 | XtCacheType cache_type, | |||
194 | XtDestructor destructor, | |||
195 | _XtBooleanint global) | |||
196 | { | |||
197 | register ConverterPtr *pp; | |||
198 | register ConverterPtr p; | |||
199 | XtConvertArgList args; | |||
200 | ||||
201 | pp= &table[ProcHash(from_type, to_type)(2 * (from_type) + to_type) & CONVERTHASHMASK255]; | |||
202 | while ((p = *pp) && (p->from != from_type || p->to != to_type)) | |||
203 | pp = &p->next; | |||
204 | ||||
205 | if (p) { | |||
206 | *pp = p->next; | |||
207 | XtFree((char *)p); | |||
208 | } | |||
209 | ||||
210 | p = (ConverterPtr) __XtMalloc(sizeof(ConverterRec) + | |||
211 | sizeof(XtConvertArgRec) * num_args); | |||
212 | p->next = *pp; | |||
213 | *pp = p; | |||
214 | p->from = from_type; | |||
215 | p->to = to_type; | |||
216 | p->converter = converter; | |||
217 | p->destructor = destructor; | |||
218 | p->num_args = num_args; | |||
219 | p->global = global; | |||
220 | args = ConvertArgs(p)((XtConvertArgList)((p)+1)); | |||
221 | while (num_args--) | |||
222 | *args++ = *convert_args++; | |||
223 | p->new_style = new_style; | |||
224 | p->do_ref_count = False0; | |||
225 | if (destructor || (cache_type & 0xff)) { | |||
226 | p->cache_type = cache_type & 0xff; | |||
227 | if (cache_type & XtCacheRefCount0x100) | |||
228 | p->do_ref_count = True1; | |||
229 | } else { | |||
230 | p->cache_type = XtCacheNone0x001; | |||
231 | } | |||
232 | } | |||
233 | ||||
234 | void XtSetTypeConverter( | |||
235 | register _Xconstconst char* from_type, | |||
236 | register _Xconstconst char* to_type, | |||
237 | XtTypeConverter converter, | |||
238 | XtConvertArgList convert_args, | |||
239 | Cardinal num_args, | |||
240 | XtCacheType cache_type, | |||
241 | XtDestructor destructor | |||
242 | ) | |||
243 | { | |||
244 | ProcessContext process; | |||
245 | XtAppContext app; | |||
246 | XrmRepresentation from; | |||
247 | XrmRepresentation to; | |||
248 | ||||
249 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); | |||
250 | process = _XtGetProcessContext(); | |||
251 | app = process->appContextList; | |||
252 | from = XrmStringToRepresentation(from_type)XrmStringToQuark(from_type); | |||
253 | to = XrmStringToRepresentation(to_type)XrmStringToQuark(to_type); | |||
254 | ||||
255 | if (!process->globalConverterTable) { | |||
256 | process->globalConverterTable = (ConverterTable) | |||
257 | __XtCalloc(CONVERTHASHSIZE((unsigned)256), (unsigned)sizeof(ConverterPtr)); | |||
258 | } | |||
259 | _XtTableAddConverter(process->globalConverterTable, from, to, | |||
260 | converter, convert_args, | |||
261 | num_args, True1, cache_type, destructor, True1); | |||
262 | while (app) { | |||
263 | _XtTableAddConverter(app->converterTable, from, to, | |||
264 | converter, convert_args, | |||
265 | num_args, True1, cache_type, destructor, True1); | |||
266 | app = app->next; | |||
267 | } | |||
268 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
269 | } | |||
270 | ||||
271 | void XtAppSetTypeConverter( | |||
272 | XtAppContext app, | |||
273 | register _Xconstconst char* from_type, | |||
274 | register _Xconstconst char* to_type, | |||
275 | XtTypeConverter converter, | |||
276 | XtConvertArgList convert_args, | |||
277 | Cardinal num_args, | |||
278 | XtCacheType cache_type, | |||
279 | XtDestructor destructor | |||
280 | ) | |||
281 | { | |||
282 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); | |||
283 | _XtTableAddConverter(app->converterTable, | |||
284 | XrmStringToRepresentation(from_type)XrmStringToQuark(from_type), | |||
285 | XrmStringToRepresentation(to_type)XrmStringToQuark(to_type), | |||
286 | converter, convert_args, num_args, | |||
287 | True1, cache_type, destructor, False0); | |||
288 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
289 | } | |||
290 | ||||
291 | /* old interface */ | |||
292 | void XtAddConverter( | |||
293 | register _Xconstconst char* from_type, | |||
294 | register _Xconstconst char* to_type, | |||
295 | XtConverter converter, | |||
296 | XtConvertArgList convert_args, | |||
297 | Cardinal num_args | |||
298 | ) | |||
299 | { | |||
300 | ProcessContext process; | |||
301 | XtAppContext app; | |||
302 | XrmRepresentation from; | |||
303 | XrmRepresentation to; | |||
304 | ||||
305 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); | |||
306 | process = _XtGetProcessContext(); | |||
307 | app = process->appContextList; | |||
308 | from = XrmStringToRepresentation(from_type)XrmStringToQuark(from_type); | |||
309 | to = XrmStringToRepresentation(to_type)XrmStringToQuark(to_type); | |||
310 | ||||
311 | if (!process->globalConverterTable) { | |||
312 | process->globalConverterTable = (ConverterTable) | |||
313 | __XtCalloc(CONVERTHASHSIZE((unsigned)256), (unsigned)sizeof(ConverterPtr)); | |||
314 | } | |||
315 | _XtTableAddConverter(process->globalConverterTable, from, to, | |||
316 | (XtTypeConverter)converter, convert_args, num_args, | |||
317 | False0, XtCacheAll0x002, (XtDestructor)NULL((void*)0), True1); | |||
318 | while (app) { | |||
319 | _XtTableAddConverter(app->converterTable, from, to, | |||
320 | (XtTypeConverter)converter, convert_args, | |||
321 | num_args, False0, XtCacheAll0x002, (XtDestructor)NULL((void*)0), | |||
322 | True1); | |||
323 | app = app->next; | |||
324 | } | |||
325 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
326 | } | |||
327 | ||||
328 | /* old interface */ | |||
329 | void XtAppAddConverter( | |||
330 | XtAppContext app, | |||
331 | register _Xconstconst char* from_type, | |||
332 | register _Xconstconst char* to_type, | |||
333 | XtConverter converter, | |||
334 | XtConvertArgList convert_args, | |||
335 | Cardinal num_args | |||
336 | ) | |||
337 | { | |||
338 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); | |||
339 | _XtTableAddConverter(app->converterTable, | |||
340 | XrmStringToRepresentation(from_type)XrmStringToQuark(from_type), | |||
341 | XrmStringToRepresentation(to_type)XrmStringToQuark(to_type), | |||
342 | (XtTypeConverter)converter, convert_args, num_args, | |||
343 | False0, XtCacheAll0x002, (XtDestructor)NULL((void*)0), False0); | |||
344 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
345 | } | |||
346 | ||||
347 | static CachePtr | |||
348 | CacheEnter( | |||
349 | Heap* heap, | |||
350 | register XtTypeConverter converter, | |||
351 | register XrmValuePtr args, | |||
352 | Cardinal num_args, | |||
353 | XrmValuePtr from, | |||
354 | XrmValuePtr to, | |||
355 | Boolean succeeded, | |||
356 | register int hash, | |||
357 | Boolean do_ref, | |||
358 | Boolean do_free, | |||
359 | XtDestructor destructor, | |||
360 | XtPointer closure) | |||
361 | { | |||
362 | register CachePtr *pHashEntry; | |||
363 | register CachePtr p; | |||
364 | register Cardinal i; | |||
365 | ||||
366 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); | |||
367 | pHashEntry = &cacheHashTable[hash & CACHEHASHMASK255]; | |||
368 | ||||
369 | if ((succeeded && destructor) || do_ref) { | |||
370 | p = (CachePtr) _XtHeapAlloc(heap, (sizeof(CacheRec) + | |||
371 | sizeof(CacheRecExt) + | |||
372 | num_args * sizeof(XrmValue))); | |||
373 | CEXT(p)((CacheRecExt *)((p)+1))->prev = pHashEntry; | |||
374 | CEXT(p)((CacheRecExt *)((p)+1))->destructor = succeeded ? destructor : NULL((void*)0); | |||
375 | CEXT(p)((CacheRecExt *)((p)+1))->closure = closure; | |||
376 | CEXT(p)((CacheRecExt *)((p)+1))->ref_count = 1; | |||
377 | p->has_ext = True1; | |||
378 | } | |||
379 | else { | |||
380 | p = (CachePtr)_XtHeapAlloc(heap, (sizeof(CacheRec) + | |||
381 | num_args * sizeof(XrmValue))); | |||
382 | p->has_ext = False0; | |||
383 | } | |||
384 | if (!to->addr) | |||
385 | succeeded = False0; | |||
386 | p->conversion_succeeded = succeeded; | |||
387 | p->is_refcounted = do_ref; | |||
388 | p->must_be_freed = do_free; | |||
389 | p->next = *pHashEntry; | |||
390 | if (p->next && p->next->has_ext) | |||
391 | CEXT(p->next)((CacheRecExt *)((p->next)+1))->prev = &p->next; | |||
392 | ||||
393 | *pHashEntry = p; | |||
394 | p->tag = (XtPointer)heap; | |||
395 | p->hash = hash; | |||
396 | p->converter = converter; | |||
397 | p->from.size = from->size; | |||
398 | if (from->size <= sizeof(p->from.addr)) { | |||
399 | p->from_is_value = True1; | |||
400 | XtMemmove(&p->from.addr, from->addr, from->size)if ((char *)(&p->from.addr) != (char *)(from->addr) ) { (void) __builtin___memcpy_chk ((char *) (&p->from. addr), (char *) (from->addr), (int) (from->size), __builtin_object_size ((char *) (&p->from.addr), 0)); }; | |||
401 | } else { | |||
402 | p->from_is_value = False0; | |||
403 | p->from.addr = (XPointer)_XtHeapAlloc(heap, from->size); | |||
404 | (void) memmove((char *)p->from.addr, (char *)from->addr, from->size)__builtin___memmove_chk ((char *)p->from.addr, (char *)from ->addr, from->size, __builtin_object_size ((char *)p-> from.addr, 0)); | |||
405 | } | |||
406 | p->num_args = num_args; | |||
407 | if (num_args) { | |||
408 | XrmValue *pargs = CARGS(p)((p)->has_ext ? (XrmValue *)(((CacheRecExt *)((p)+1))+1) : (XrmValue *)((p)+1)); | |||
409 | for (i = 0; i < num_args; i++) { | |||
410 | pargs[i].size = args[i].size; | |||
411 | pargs[i].addr = (XPointer)_XtHeapAlloc(heap, args[i].size); | |||
412 | XtMemmove(pargs[i].addr, args[i].addr, args[i].size)if ((char *)(pargs[i].addr) != (char *)(args[i].addr)) { (void ) __builtin___memcpy_chk ((char *) (pargs[i].addr), (char *) ( args[i].addr), (int) (args[i].size), __builtin_object_size (( char *) (pargs[i].addr), 0)); }; | |||
413 | } | |||
414 | } | |||
415 | p->to.size = to->size; | |||
416 | if (!succeeded) { | |||
417 | p->to_is_value = False0; | |||
418 | p->to.addr = NULL((void*)0); | |||
419 | } else if (to->size <= sizeof(p->to.addr)) { | |||
420 | p->to_is_value = True1; | |||
421 | XtMemmove(&p->to.addr, to->addr, to->size)if ((char *)(&p->to.addr) != (char *)(to->addr)) { ( void) __builtin___memcpy_chk ((char *) (&p->to.addr), ( char *) (to->addr), (int) (to->size), __builtin_object_size ((char *) (&p->to.addr), 0)); }; | |||
422 | } else { | |||
423 | p->to_is_value = False0; | |||
424 | p->to.addr = (XPointer)_XtHeapAlloc(heap, to->size); | |||
425 | (void) memmove((char *)p->to.addr, (char *)to->addr, to->size)__builtin___memmove_chk ((char *)p->to.addr, (char *)to-> addr, to->size, __builtin_object_size ((char *)p->to.addr , 0)); | |||
426 | } | |||
427 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
428 | return p; | |||
429 | } | |||
430 | ||||
431 | static void FreeCacheRec( | |||
432 | XtAppContext app, | |||
433 | CachePtr p, | |||
434 | CachePtr *prev) | |||
435 | { | |||
436 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); | |||
437 | if (p->has_ext) { | |||
438 | if (CEXT(p)((CacheRecExt *)((p)+1))->destructor) { | |||
439 | Cardinal num_args = p->num_args; | |||
440 | XrmValue *args = NULL((void*)0); | |||
441 | XrmValue toc; | |||
442 | if (num_args) | |||
443 | args = CARGS(p)((p)->has_ext ? (XrmValue *)(((CacheRecExt *)((p)+1))+1) : (XrmValue *)((p)+1)); | |||
444 | toc.size = p->to.size; | |||
445 | if (p->to_is_value) | |||
446 | toc.addr = (XPointer)&p->to.addr; | |||
447 | else | |||
448 | toc.addr = p->to.addr; | |||
449 | (*CEXT(p)((CacheRecExt *)((p)+1))->destructor) (app, &toc, CEXT(p)((CacheRecExt *)((p)+1))->closure, args, | |||
450 | &num_args); | |||
451 | } | |||
452 | *(CEXT(p)((CacheRecExt *)((p)+1))->prev) = p->next; | |||
453 | if (p->next && p->next->has_ext) | |||
454 | CEXT(p->next)((CacheRecExt *)((p->next)+1))->prev = CEXT(p)((CacheRecExt *)((p)+1))->prev; | |||
455 | } else { | |||
456 | *prev = p->next; | |||
457 | if (p->next && p->next->has_ext) | |||
458 | CEXT(p->next)((CacheRecExt *)((p->next)+1))->prev = prev; | |||
459 | } | |||
460 | if (p->must_be_freed) { | |||
461 | register int i; | |||
462 | if (!p->from_is_value) | |||
463 | XtFree(p->from.addr); | |||
464 | if ((i = p->num_args)) { | |||
465 | XrmValue *pargs = CARGS(p)((p)->has_ext ? (XrmValue *)(((CacheRecExt *)((p)+1))+1) : (XrmValue *)((p)+1)); | |||
466 | while (i--) | |||
467 | XtFree(pargs[i].addr); | |||
468 | } | |||
469 | if (!p->to_is_value) | |||
470 | XtFree(p->to.addr); | |||
471 | XtFree((char*)p); | |||
472 | } | |||
473 | /* else on private heap; will free entire heap later */ | |||
474 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
475 | } | |||
476 | ||||
477 | ||||
478 | void _XtCacheFlushTag( | |||
479 | XtAppContext app, | |||
480 | XtPointer tag) | |||
481 | { | |||
482 | int i; | |||
483 | register CachePtr *prev; | |||
484 | register CachePtr rec; | |||
485 | ||||
486 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); | |||
487 | for (i = CACHEHASHSIZE256; --i >= 0;) { | |||
488 | prev = &cacheHashTable[i]; | |||
489 | while ((rec = *prev)) { | |||
490 | if (rec->tag == tag) | |||
491 | FreeCacheRec(app, rec, prev); | |||
492 | else | |||
493 | prev = &rec->next; | |||
494 | } | |||
495 | } | |||
496 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
497 | } | |||
498 | ||||
499 | #ifdef DEBUG | |||
500 | #include <stdio.h> | |||
501 | ||||
502 | void _XtConverterCacheStats(void) | |||
503 | { | |||
504 | register Cardinal i; | |||
505 | register CachePtr p; | |||
506 | register Cardinal entries; | |||
507 | ||||
508 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); | |||
509 | for (i = 0; i < CACHEHASHSIZE256; i++) { | |||
510 | p = cacheHashTable[i]; | |||
511 | if (p) { | |||
512 | for (entries = 0; p; p = p->next) { | |||
513 | entries++; | |||
514 | } | |||
515 | (void) fprintf(stdout, "Index: %4d Entries: %d\n", i, entries); | |||
516 | for (p = cacheHashTable[i]; p; p = p->next) { | |||
517 | (void) fprintf(stdout, " Size: %3d Refs: %3d '", | |||
518 | p->from.size, | |||
519 | p->has_ext ? CEXT(p)((CacheRecExt *)((p)+1))->ref_count : 0); | |||
520 | (void) fprintf(stdout, "'\n"); | |||
521 | } | |||
522 | (void) fprintf(stdout, "\n"); | |||
523 | } | |||
524 | } | |||
525 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
526 | } | |||
527 | #endif /*DEBUG*/ | |||
528 | ||||
529 | static Boolean ResourceQuarkToOffset( | |||
530 | WidgetClass widget_class, | |||
531 | XrmName name, | |||
532 | Cardinal *offset) | |||
533 | { | |||
534 | register WidgetClass wc; | |||
535 | register Cardinal i; | |||
536 | register XrmResourceList res, *resources; | |||
537 | ||||
538 | for (wc = widget_class; wc; wc = wc->core_class.superclass) { | |||
539 | resources = (XrmResourceList*) wc->core_class.resources; | |||
540 | for (i = 0; i < wc->core_class.num_resources; i++, resources++) { | |||
541 | res = *resources; | |||
542 | if (res->xrm_name == name) { | |||
543 | *offset = -res->xrm_offset - 1; | |||
544 | return True1; | |||
545 | } | |||
546 | } /* for i in resources */ | |||
547 | } /* for wc in widget classes */ | |||
548 | (*offset) = 0; | |||
549 | return False0; | |||
550 | } | |||
551 | ||||
552 | ||||
553 | static void ComputeArgs( | |||
554 | Widget widget, | |||
555 | XtConvertArgList convert_args, | |||
556 | Cardinal num_args, | |||
557 | XrmValuePtr args) | |||
558 | { | |||
559 | register Cardinal i; | |||
560 | Cardinal offset; | |||
561 | String params[1]; | |||
562 | Cardinal num_params = 1; | |||
563 | Widget ancestor = NULL((void*)0); | |||
564 | ||||
565 | for (i = 0; i < num_args; i++) { | |||
566 | args[i].size = convert_args[i].size; | |||
567 | switch (convert_args[i].address_mode) { | |||
568 | case XtAddress: | |||
569 | args[i].addr = convert_args[i].address_id; | |||
570 | break; | |||
571 | ||||
572 | case XtBaseOffset: | |||
573 | args[i].addr = | |||
574 | (XPointer)((char *)widget + (long)convert_args[i].address_id); | |||
575 | break; | |||
576 | ||||
577 | case XtWidgetBaseOffset: | |||
578 | if (!ancestor) { | |||
579 | if (XtIsWidget(widget)(((Object)(widget))->object.widget_class->core_class.class_inited & 0x04)) | |||
580 | ancestor = widget; | |||
581 | else | |||
582 | ancestor = _XtWindowedAncestor(widget); | |||
583 | } | |||
584 | ||||
585 | args[i].addr = | |||
586 | (XPointer)((char *)ancestor + (long)convert_args[i].address_id); | |||
587 | break; | |||
588 | ||||
589 | case XtImmediate: | |||
590 | args[i].addr = (XPointer) &(convert_args[i].address_id); | |||
591 | break; | |||
592 | ||||
593 | case XtProcedureArg: | |||
594 | (*(XtConvertArgProc)convert_args[i].address_id) | |||
595 | (widget, &convert_args[i].size, &args[i]); | |||
596 | break; | |||
597 | ||||
598 | case XtResourceString: | |||
599 | /* Convert in place for next usage */ | |||
600 | convert_args[i].address_mode = XtResourceQuark; | |||
601 | convert_args[i].address_id = | |||
602 | (XtPointer)(long)XrmStringToQuark((String)convert_args[i].address_id); | |||
603 | /* Fall through */ | |||
604 | ||||
605 | case XtResourceQuark: | |||
606 | if (! ResourceQuarkToOffset(widget->core.widget_class, | |||
607 | (XrmQuark)(long) convert_args[i].address_id, &offset)) { | |||
608 | params[0]= | |||
609 | XrmQuarkToString((XrmQuark)(long) convert_args[i].address_id); | |||
610 | XtAppWarningMsg(XtWidgetToApplicationContext(widget), | |||
611 | "invalidResourceName","computeArgs",XtCXtToolkitError, | |||
612 | "Cannot find resource name %s as argument to conversion", | |||
613 | params,&num_params); | |||
614 | offset = 0; | |||
615 | } | |||
616 | args[i].addr = (XPointer)((char *)widget + offset); | |||
617 | break; | |||
618 | default: | |||
619 | params[0] = XtName(widget); | |||
620 | XtAppWarningMsg(XtWidgetToApplicationContext(widget), | |||
621 | "invalidAddressMode", "computeArgs", XtCXtToolkitError, | |||
622 | "Conversion arguments for widget '%s' contain an unsupported address mode", | |||
623 | params,&num_params); | |||
624 | args[i].addr = NULL((void*)0); | |||
625 | args[i].size = 0; | |||
626 | } /* switch */ | |||
627 | } /* for */ | |||
628 | } /* ComputeArgs */ | |||
629 | ||||
630 | void XtDirectConvert( | |||
631 | XtConverter converter, | |||
632 | XrmValuePtr args, | |||
633 | Cardinal num_args, | |||
634 | register XrmValuePtr from, | |||
635 | XrmValuePtr to) | |||
636 | { | |||
637 | register CachePtr p; | |||
638 | register int hash; | |||
639 | register Cardinal i; | |||
640 | ||||
641 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); | |||
642 | /* Try to find cache entry for conversion */ | |||
643 | hash = ((long) converter >> 2) + from->size + *((char *) from->addr); | |||
644 | if (from->size > 1) hash += ((char *) from->addr)[1]; | |||
645 | ||||
646 | for (p = cacheHashTable[hash & CACHEHASHMASK255]; p; p = p->next) { | |||
647 | if ((p->hash == hash) | |||
648 | && (p->converter == (XtTypeConverter)converter) | |||
649 | && (p->from.size == from->size) | |||
650 | && !(p->from_is_value ? | |||
651 | XtMemcmp(&p->from.addr, from->addr, from->size)memcmp((char *) (&p->from.addr), (char *) (from->addr ), (int) (from->size)) : | |||
652 | memcmp((char *)p->from.addr, (char *)from->addr, from->size)) | |||
653 | && (p->num_args == num_args)) { | |||
654 | if ((i = num_args)) { | |||
655 | XrmValue *pargs = CARGS(p)((p)->has_ext ? (XrmValue *)(((CacheRecExt *)((p)+1))+1) : (XrmValue *)((p)+1)); | |||
656 | /* Are all args the same data ? */ | |||
657 | while (i) { | |||
658 | i--; /* do not move to while test, broken compilers */ | |||
659 | if (pargs[i].size != args[i].size || | |||
660 | XtMemcmp(pargs[i].addr, args[i].addr, args[i].size)memcmp((char *) (pargs[i].addr), (char *) (args[i].addr), (int ) (args[i].size))) { | |||
661 | i++; | |||
662 | break; | |||
663 | } | |||
664 | } | |||
665 | } | |||
666 | if (!i) { | |||
667 | /* Perfect match */ | |||
668 | to->size = p->to.size; | |||
669 | if (p->to_is_value) | |||
670 | to->addr = (XPointer)&p->to.addr; | |||
671 | else | |||
672 | to->addr = p->to.addr; | |||
673 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
674 | return; | |||
675 | } | |||
676 | } | |||
677 | } | |||
678 | ||||
679 | /* Didn't find it, call converter procedure and entry result in cache */ | |||
680 | (*to).size = 0; | |||
681 | (*to).addr = NULL((void*)0); | |||
682 | (*converter)(args, &num_args, from, to); | |||
683 | /* This memory can never be freed since we don't know the Display | |||
684 | * or app context from which to compute the persistance */ | |||
685 | { | |||
686 | CacheEnter(&globalHeap, (XtTypeConverter)converter, args, num_args, | |||
687 | from, to, (to->addr != NULL((void*)0)), hash, False0, False0, | |||
688 | (XtDestructor)NULL((void*)0), NULL((void*)0)); | |||
689 | } | |||
690 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
691 | } | |||
692 | ||||
693 | ||||
694 | static ConverterPtr GetConverterEntry( | |||
695 | XtAppContext app, | |||
696 | XtTypeConverter converter) | |||
697 | { | |||
698 | Cardinal entry; | |||
699 | register ConverterPtr cP; | |||
700 | ConverterTable converterTable; | |||
701 | ||||
702 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); | |||
703 | converterTable = app->converterTable; | |||
| ||||
704 | cP = NULL((void*)0); | |||
705 | for (entry = 0; (entry < CONVERTHASHSIZE((unsigned)256)) && !cP; entry++) { | |||
706 | cP = converterTable[entry]; | |||
707 | while (cP && (cP->converter != converter)) cP = cP->next; | |||
708 | } | |||
709 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
710 | return cP; | |||
711 | } | |||
712 | ||||
713 | ||||
714 | static Boolean | |||
715 | CallConverter( | |||
716 | Display* dpy, | |||
717 | XtTypeConverter converter, | |||
718 | XrmValuePtr args, | |||
719 | Cardinal num_args, | |||
720 | register XrmValuePtr from, | |||
721 | XrmValuePtr to, | |||
722 | XtCacheRef *cache_ref_return, | |||
723 | register ConverterPtr cP) | |||
724 | { | |||
725 | CachePtr p; | |||
726 | int hash; | |||
727 | Cardinal i; | |||
728 | Boolean retval; | |||
729 | ||||
730 | if (!cP || ((cP->cache_type == XtCacheNone0x001) && !cP->destructor)) { | |||
731 | XtPointer closure; | |||
732 | if (cache_ref_return) *cache_ref_return = NULL((void*)0); | |||
733 | retval = (*(XtTypeConverter)converter) | |||
734 | (dpy, args, &num_args, from, to, &closure); | |||
735 | return retval; | |||
736 | } | |||
737 | ||||
738 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); | |||
739 | /* Try to find cache entry for conversion */ | |||
740 | hash = ((long)(converter) >> 2) + from->size + *((char *) from->addr); | |||
741 | if (from->size > 1) hash += ((char *) from->addr)[1]; | |||
742 | ||||
743 | if (cP->cache_type != XtCacheNone0x001) { | |||
744 | for (p = cacheHashTable[hash & CACHEHASHMASK255]; p; p = p->next){ | |||
745 | if ((p->hash == hash) | |||
746 | && (p->converter == converter) | |||
747 | && (p->from.size == from->size) | |||
748 | && !(p->from_is_value ? | |||
749 | XtMemcmp(&p->from.addr, from->addr, from->size)memcmp((char *) (&p->from.addr), (char *) (from->addr ), (int) (from->size)) : | |||
750 | memcmp((char *)p->from.addr, (char *)from->addr, from->size)) | |||
751 | && (p->num_args == num_args)) { | |||
752 | if ((i = num_args)) { | |||
753 | XrmValue *pargs = CARGS(p)((p)->has_ext ? (XrmValue *)(((CacheRecExt *)((p)+1))+1) : (XrmValue *)((p)+1)); | |||
754 | /* Are all args the same data ? */ | |||
755 | while (i) { | |||
756 | i--; /* do not move to while test, broken compilers */ | |||
757 | if (pargs[i].size != args[i].size || | |||
758 | XtMemcmp(pargs[i].addr, args[i].addr, args[i].size)memcmp((char *) (pargs[i].addr), (char *) (args[i].addr), (int ) (args[i].size))){ | |||
759 | i++; | |||
760 | break; | |||
761 | } | |||
762 | } | |||
763 | } | |||
764 | if (!i) { | |||
765 | /* Perfect match */ | |||
766 | if (p->conversion_succeeded) { | |||
767 | if (to->addr) { /* new-style call */ | |||
768 | if (to->size < p->to.size) { | |||
769 | to->size = p->to.size; | |||
770 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
771 | return False0; | |||
772 | } | |||
773 | to->size = p->to.size; | |||
774 | if (p->to_is_value) { | |||
775 | XtMemmove(to->addr, &p->to.addr,if ((char *)(to->addr) != (char *)(&p->to.addr)) { ( void) __builtin___memcpy_chk ((char *) (to->addr), (char * ) (&p->to.addr), (int) (to->size), __builtin_object_size ((char *) (to->addr), 0)); } | |||
776 | to->size)if ((char *)(to->addr) != (char *)(&p->to.addr)) { ( void) __builtin___memcpy_chk ((char *) (to->addr), (char * ) (&p->to.addr), (int) (to->size), __builtin_object_size ((char *) (to->addr), 0)); }; | |||
777 | } else { | |||
778 | (void) memmove((char *)to->addr,__builtin___memmove_chk ((char *)to->addr, (char *)p->to .addr, to->size, __builtin_object_size ((char *)to->addr , 0)) | |||
779 | (char *)p->to.addr, to->size)__builtin___memmove_chk ((char *)to->addr, (char *)p->to .addr, to->size, __builtin_object_size ((char *)to->addr , 0)); | |||
780 | } | |||
781 | } else { /* old-style call */ | |||
782 | to->size = p->to.size; | |||
783 | if (p->to_is_value) | |||
784 | to->addr = (XPointer)&p->to.addr; | |||
785 | else | |||
786 | to->addr = p->to.addr; | |||
787 | } | |||
788 | } | |||
789 | if (p->is_refcounted) { | |||
790 | CEXT(p)((CacheRecExt *)((p)+1))->ref_count++; | |||
791 | if (cache_ref_return) | |||
792 | *cache_ref_return = (XtCacheRef)p; | |||
793 | else | |||
794 | p->is_refcounted = False0; | |||
795 | } | |||
796 | else { | |||
797 | if (cache_ref_return) | |||
798 | *cache_ref_return = NULL((void*)0); | |||
799 | } | |||
800 | retval = (p->conversion_succeeded); | |||
801 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
802 | return retval; | |||
803 | } | |||
804 | } | |||
805 | } | |||
806 | } | |||
807 | ||||
808 | /* No cache entry, call converter procedure and enter result in cache */ | |||
809 | { | |||
810 | Heap *heap; | |||
811 | XtPointer closure = NULL((void*)0); | |||
812 | unsigned int supplied_size = to->size; | |||
813 | Boolean do_ref = cP->do_ref_count && cache_ref_return; | |||
814 | Boolean do_free = False0; | |||
815 | Boolean retval = | |||
816 | (*(XtTypeConverter)converter)(dpy, args, &num_args, from, to, &closure); | |||
817 | ||||
818 | if (retval == False0 && supplied_size < to->size) { | |||
819 | /* programmer error: caller must allocate sufficient storage */ | |||
820 | if (cache_ref_return) | |||
821 | *cache_ref_return = NULL((void*)0); | |||
822 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
823 | return False0; | |||
824 | } | |||
825 | ||||
826 | if ((cP->cache_type == XtCacheNone0x001) || do_ref) { | |||
827 | heap = NULL((void*)0); | |||
828 | do_free = True1; | |||
829 | } | |||
830 | else if (cP->cache_type == XtCacheByDisplay0x003) | |||
831 | heap = &_XtGetPerDisplay(dpy)->heap; | |||
832 | else if (cP->global) | |||
833 | heap = &globalHeap; | |||
834 | else | |||
835 | heap = &XtDisplayToApplicationContext(dpy)->heap; | |||
836 | ||||
837 | p = CacheEnter(heap, converter, args, num_args, from, to, retval, | |||
838 | hash, do_ref, do_free, cP->destructor, closure); | |||
839 | if (do_ref) | |||
840 | *cache_ref_return = (XtCacheRef)p; | |||
841 | else if (cache_ref_return) | |||
842 | *cache_ref_return = NULL((void*)0); | |||
843 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
844 | return retval; | |||
845 | } | |||
846 | } | |||
847 | ||||
848 | Boolean | |||
849 | XtCallConverter( | |||
850 | Display* dpy, | |||
851 | XtTypeConverter converter, | |||
852 | XrmValuePtr args, | |||
853 | Cardinal num_args, | |||
854 | register XrmValuePtr from, | |||
855 | XrmValuePtr to, | |||
856 | XtCacheRef *cache_ref_return) | |||
857 | { | |||
858 | ConverterPtr cP; | |||
859 | Boolean retval; | |||
860 | XtAppContext app = XtDisplayToApplicationContext(dpy); | |||
| ||||
861 | ||||
862 | LOCK_APP(app)if(app && app->lock)(*app->lock)(app); | |||
863 | if ((cP = GetConverterEntry(app, converter)) == NULL((void*)0)) { | |||
864 | XtAppSetTypeConverter(XtDisplayToApplicationContext(dpy), | |||
865 | "_XtUnk1", "_XtUnk2", | |||
866 | converter, NULL((void*)0), 0, | |||
867 | XtCacheAll0x002, NULL((void*)0)); | |||
868 | cP = GetConverterEntry(app, converter); | |||
869 | } | |||
870 | retval = CallConverter(dpy, converter, args, num_args, from, to, | |||
871 | cache_ref_return, cP); | |||
872 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
873 | return retval; | |||
874 | } | |||
875 | ||||
876 | Boolean _XtConvert( | |||
877 | Widget widget, | |||
878 | register XrmRepresentation from_type, | |||
879 | XrmValuePtr from, | |||
880 | register XrmRepresentation to_type, | |||
881 | register XrmValuePtr to, | |||
882 | XtCacheRef *cache_ref_return) | |||
883 | { | |||
884 | XtAppContext app = XtWidgetToApplicationContext(widget); | |||
885 | register ConverterPtr p; | |||
886 | Cardinal num_args; | |||
887 | XrmValue *args; | |||
888 | ||||
889 | /* Look for type converter */ | |||
890 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); | |||
891 | p = app->converterTable[ProcHash(from_type, to_type)(2 * (from_type) + to_type) & CONVERTHASHMASK255]; | |||
892 | for (; p; p = p->next) { | |||
893 | if (from_type == p->from && to_type == p->to) { | |||
894 | Boolean retval = False0; | |||
895 | /* Compute actual arguments from widget and arg descriptor */ | |||
896 | num_args = p->num_args; | |||
897 | if (num_args != 0) { | |||
898 | args = (XrmValue*) | |||
899 | ALLOCATE_LOCAL( num_args * sizeof (XrmValue) )__builtin_alloca((int)(num_args * sizeof (XrmValue))); | |||
900 | if (!args) _XtAllocError("alloca"); | |||
901 | ComputeArgs(widget, ConvertArgs(p)((XtConvertArgList)((p)+1)), num_args, args); | |||
902 | } else args = NULL((void*)0); | |||
903 | if (p->new_style) { | |||
904 | retval = | |||
905 | CallConverter(XtDisplayOfObject(widget)((((Object)(widget))->object.widget_class->core_class.class_inited & 0x04) ? (widget)->core.screen->display : _XtIsHookObject (widget) ? ((HookObject)(widget))->hooks.screen->display : _XtWindowedAncestor(widget)->core.screen->display), | |||
906 | p->converter, args, num_args, | |||
907 | from, to, cache_ref_return, p); | |||
908 | } | |||
909 | else { /* is old-style (non-display) converter */ | |||
910 | XrmValue tempTo; | |||
911 | XtDirectConvert((XtConverter)p->converter, args, num_args, | |||
912 | from, &tempTo); | |||
913 | if (cache_ref_return) | |||
914 | *cache_ref_return = NULL((void*)0); | |||
915 | if (tempTo.addr) { | |||
916 | if (to->addr) { /* new-style caller */ | |||
917 | if (to->size >= tempTo.size) { | |||
918 | if (to_type == _XtQString) | |||
919 | *(String*)(to->addr) = tempTo.addr; | |||
920 | else { | |||
921 | XtMemmove(to->addr, tempTo.addr,if ((char *)(to->addr) != (char *)(tempTo.addr)) { (void) __builtin___memcpy_chk ((char *) (to->addr), (char *) (tempTo.addr), (int) (tempTo .size), __builtin_object_size ((char *) (to->addr), 0)); } | |||
922 | tempTo.size)if ((char *)(to->addr) != (char *)(tempTo.addr)) { (void) __builtin___memcpy_chk ((char *) (to->addr), (char *) (tempTo.addr), (int) (tempTo .size), __builtin_object_size ((char *) (to->addr), 0)); }; | |||
923 | } | |||
924 | retval = True1; | |||
925 | } | |||
926 | to->size = tempTo.size; | |||
927 | } else { /* old-style caller */ | |||
928 | *to = tempTo; | |||
929 | retval = True1; | |||
930 | } | |||
931 | } | |||
932 | } | |||
933 | if (args) DEALLOCATE_LOCAL( (XtPointer)args )do {} while(0); | |||
934 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
935 | return retval; | |||
936 | } | |||
937 | } | |||
938 | ||||
939 | { | |||
940 | String params[2]; | |||
941 | Cardinal num_params = 2; | |||
942 | params[0] = XrmRepresentationToString(from_type)XrmQuarkToString(from_type); | |||
943 | params[1] = XrmRepresentationToString(to_type)XrmQuarkToString(to_type); | |||
944 | XtAppWarningMsg(app, "typeConversionError", "noConverter", XtCXtToolkitError, | |||
945 | "No type converter registered for '%s' to '%s' conversion.", | |||
946 | params, &num_params); | |||
947 | } | |||
948 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
949 | return False0; | |||
950 | } | |||
951 | ||||
952 | void XtConvert( | |||
953 | Widget widget, | |||
954 | _Xconstconst char* from_type_str, | |||
955 | XrmValuePtr from, | |||
956 | _Xconstconst char* to_type_str, | |||
957 | XrmValuePtr to) | |||
958 | { | |||
959 | XrmQuark from_type, to_type; | |||
960 | WIDGET_TO_APPCON(widget)XtAppContext app = (widget && _XtProcessLock ? XtWidgetToApplicationContext (widget) : ((void*)0)); | |||
961 | ||||
962 | LOCK_APP(app)if(app && app->lock)(*app->lock)(app); | |||
963 | from_type = XrmStringToRepresentation(from_type_str)XrmStringToQuark(from_type_str); | |||
964 | to_type = XrmStringToRepresentation(to_type_str)XrmStringToQuark(to_type_str); | |||
965 | if (from_type != to_type) { | |||
966 | /* It's not safe to ref count these resources, 'cause we | |||
967 | don't know what older clients may have assumed about | |||
968 | the resource lifetimes. | |||
969 | XtCacheRef ref; | |||
970 | */ | |||
971 | to->addr = NULL((void*)0); | |||
972 | to->size = 0; | |||
973 | _XtConvert(widget, from_type, from, to_type, to, /*&ref*/ NULL((void*)0)); | |||
974 | /* | |||
975 | if (ref) { | |||
976 | XtAddCallback( widget, XtNdestroyCallback, | |||
977 | XtCallbackReleaseCacheRef, (XtPointer)ref ); | |||
978 | } | |||
979 | */ | |||
980 | } | |||
981 | else | |||
982 | (*to) = *from; | |||
983 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
984 | } | |||
985 | ||||
986 | Boolean XtConvertAndStore( | |||
987 | Widget object, | |||
988 | _Xconstconst char* from_type_str, | |||
989 | XrmValuePtr from, | |||
990 | _Xconstconst char* to_type_str, | |||
991 | XrmValuePtr to) | |||
992 | { | |||
993 | XrmQuark from_type, to_type; | |||
994 | WIDGET_TO_APPCON(object)XtAppContext app = (object && _XtProcessLock ? XtWidgetToApplicationContext (object) : ((void*)0)); | |||
995 | ||||
996 | LOCK_APP(app)if(app && app->lock)(*app->lock)(app); | |||
997 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); | |||
998 | from_type = XrmStringToRepresentation(from_type_str)XrmStringToQuark(from_type_str); | |||
999 | to_type = XrmStringToRepresentation(to_type_str)XrmStringToQuark(to_type_str); | |||
1000 | if (from_type != to_type) { | |||
1001 | static XtPointer local_valueP = NULL((void*)0); | |||
1002 | static Cardinal local_valueS = 128; | |||
1003 | XtCacheRef ref; | |||
1004 | Boolean local = False0; | |||
1005 | do { | |||
1006 | if (!to->addr) { | |||
1007 | if (!local_valueP) | |||
1008 | local_valueP = _XtHeapAlloc(&globalHeap, local_valueS); | |||
1009 | to->addr = local_valueP; | |||
1010 | to->size = local_valueS; | |||
1011 | local = True1; | |||
1012 | } | |||
1013 | if (!_XtConvert(object, from_type, from, to_type, to, &ref)) { | |||
1014 | if (local && (to->size > local_valueS)) { | |||
1015 | to->addr = | |||
1016 | local_valueP = _XtHeapAlloc(&globalHeap, to->size); | |||
1017 | local_valueS = to->size; | |||
1018 | continue; | |||
1019 | } else { | |||
1020 | if (local) { | |||
1021 | to->addr = NULL((void*)0); | |||
1022 | to->size = 0; | |||
1023 | } | |||
1024 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
1025 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
1026 | return False0; | |||
1027 | } | |||
1028 | } | |||
1029 | if (ref) { | |||
1030 | XtAddCallback( object, XtNdestroyCallback((char*)&XtStrings[169]), | |||
1031 | XtCallbackReleaseCacheRef, (XtPointer)ref ); | |||
1032 | } | |||
1033 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
1034 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
1035 | return True1; | |||
1036 | } while (local /* && local_valueS < to->size */); | |||
1037 | } | |||
1038 | if (to->addr) { | |||
1039 | if (to->size < from->size) { | |||
1040 | to->size = from->size; | |||
1041 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
1042 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
1043 | return False0; | |||
1044 | } | |||
1045 | (void) memmove(to->addr, from->addr, from->size )__builtin___memmove_chk (to->addr, from->addr, from-> size, __builtin_object_size (to->addr, 0)); | |||
1046 | to->size = from->size; | |||
1047 | } else /* from_type == to_type */ | |||
1048 | *to = *from; | |||
1049 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
1050 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
1051 | return True1; | |||
1052 | } | |||
1053 | ||||
1054 | void XtAppReleaseCacheRefs( | |||
1055 | XtAppContext app, | |||
1056 | XtCacheRef *refs) | |||
1057 | { | |||
1058 | register CachePtr *r; | |||
1059 | register CachePtr p; | |||
1060 | ||||
1061 | LOCK_APP(app)if(app && app->lock)(*app->lock)(app); | |||
1062 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); | |||
1063 | for (r = (CachePtr*)refs; (p = *r); r++) { | |||
1064 | if (p->is_refcounted && --(CEXT(p)((CacheRecExt *)((p)+1))->ref_count) == 0) { | |||
1065 | FreeCacheRec(app, p, NULL((void*)0)); | |||
1066 | } | |||
1067 | } | |||
1068 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); | |||
1069 | UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app); | |||
1070 | } | |||
1071 | ||||
1072 | ||||
1073 | /* ARGSUSED */ | |||
1074 | void XtCallbackReleaseCacheRefList( | |||
1075 | Widget widget, /* unused */ | |||
1076 | XtPointer closure, | |||
1077 | XtPointer call_data) /* unused */ | |||
1078 | { | |||
1079 | XtAppReleaseCacheRefs( XtWidgetToApplicationContext(widget), | |||
1080 | (XtCacheRef*)closure ); | |||
1081 | XtFree(closure); | |||
1082 | } | |||
1083 | ||||
1084 | ||||
1085 | /* ARGSUSED */ | |||
1086 | void XtCallbackReleaseCacheRef( | |||
1087 | Widget widget, /* unused */ | |||
1088 | XtPointer closure, | |||
1089 | XtPointer call_data) /* unused */ | |||
1090 | { | |||
1091 | XtCacheRef cache_refs[2]; | |||
1092 | cache_refs[0] = (XtCacheRef)closure; | |||
1093 | cache_refs[1] = NULL((void*)0); | |||
1094 | XtAppReleaseCacheRefs( XtWidgetToApplicationContext(widget), cache_refs ); | |||
1095 | } |