Bug Summary

File:Manage.c
Location:line 372, column 9
Description:Dereference of null pointer

Annotated Source Code

1/***********************************************************
2Copyright (c) 1993, Oracle and/or its affiliates. All rights reserved.
3
4Permission is hereby granted, free of charge, to any person obtaining a
5copy of this software and associated documentation files (the "Software"),
6to deal in the Software without restriction, including without limitation
7the rights to use, copy, modify, merge, publish, distribute, sublicense,
8and/or sell copies of the Software, and to permit persons to whom the
9Software is furnished to do so, subject to the following conditions:
10
11The above copyright notice and this permission notice (including the next
12paragraph) shall be included in all copies or substantial portions of the
13Software.
14
15THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21DEALINGS IN THE SOFTWARE.
22
23Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
24
25 All Rights Reserved
26
27Permission to use, copy, modify, and distribute this software and its
28documentation for any purpose and without fee is hereby granted,
29provided that the above copyright notice appear in all copies and that
30both that copyright notice and this permission notice appear in
31supporting documentation, and that the name of Digital not be
32used in advertising or publicity pertaining to distribution of the
33software without specific, written prior permission.
34
35DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
36ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
37DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
38ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
39WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
40ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
41SOFTWARE.
42
43******************************************************************/
44
45/*
46
47Copyright 1987, 1988, 1994, 1998 The Open Group
48
49Permission to use, copy, modify, distribute, and sell this software and its
50documentation for any purpose is hereby granted without fee, provided that
51the above copyright notice appear in all copies and that both that
52copyright notice and this permission notice appear in supporting
53documentation.
54
55The above copyright notice and this permission notice shall be included in
56all copies or substantial portions of the Software.
57
58THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
59IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
60FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
61OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
62AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
63CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
64
65Except as contained in this notice, the name of The Open Group shall not be
66used in advertising or otherwise to promote the sale, use or other dealings
67in 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
76static String XtNinvalidChild = "invalidChild";
77static String XtNxtUnmanageChildren = "xtUnmanageChildren";
78static String XtNxtManageChildren = "xtManageChildren";
79static String XtNxtChangeManagedSet = "xtChangeManagedSet";
80
81static void UnmanageChildren(
82 WidgetList children,
83 Cardinal num_children,
84 Widget parent,
85 Cardinal* num_unique_children,
86 Boolean call_change_managed,
87 String caller_func)
88{
89 Widget child;
90 Cardinal i;
91 XtWidgetProc change_managed = NULL((void*)0);
92 Boolint parent_realized = False0;
93
94 *num_unique_children = 0;
95
96 if (XtIsComposite((Widget) parent)(((Object)((Widget) parent))->object.widget_class->core_class
.class_inited & 0x08)) {
97 LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)();
98 change_managed = ((CompositeWidgetClass) parent->core.widget_class)
99 ->composite_class.change_managed;
100 UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)();
101 parent_realized = XtIsRealized((Widget)parent)((((((Object)((Widget)parent))->object.widget_class->core_class
.class_inited & 0x04) ? ((Widget)parent) : _XtWindowedAncestor
((Widget)parent)) ->core.window) != 0L);
102 } else {
103 XtAppErrorMsg(XtWidgetToApplicationContext((Widget)parent),
104 "invalidParent",caller_func, XtCXtToolkitError,
105 "Attempt to unmanage a child when parent is not Composite",
106 (String *) NULL((void*)0), (Cardinal *) NULL((void*)0));
107 }
108
109 for (i = 0; i < num_children; i++) {
110 child = children[i];
111 if (child == NULL((void*)0)) {
112 XtAppWarningMsg(XtWidgetToApplicationContext(parent),
113 XtNinvalidChild,caller_func,XtCXtToolkitError,
114 "Null child passed to XtUnmanageChildren",
115 (String *)NULL((void*)0), (Cardinal *)NULL((void*)0));
116 return;
117 }
118 if (child->core.parent != parent) {
119 XtAppWarningMsg(XtWidgetToApplicationContext(parent),
120 "ambiguousParent",caller_func,XtCXtToolkitError,
121 "Not all children have same parent in UnmanageChildren",
122 (String *)NULL((void*)0), (Cardinal *)NULL((void*)0));
123 } else
124 if (child->core.managed) {
125 (*num_unique_children)++;
126 CALLGEOTAT(_XtGeoTrace(child,"Child \"%s\" is marked unmanaged\n",
127 XtName(child)));
128 child->core.managed = FALSE0;
129 if (XtIsWidget(child)(((Object)(child))->object.widget_class->core_class.class_inited
& 0x04)
130 && XtIsRealized(child)((((((Object)(child))->object.widget_class->core_class.
class_inited & 0x04) ? (child) : _XtWindowedAncestor(child
)) ->core.window) != 0L)
131 && child->core.mapped_when_managed)
132 XtUnmapWidget(child)XUnmapWindow((((child)->core.screen)->display), ((child
)->core.window));
133 else
134 { /* RectObj child */
135 Widget pw = child->core.parent;
136 RectObj r = (RectObj) child;
137 while ((pw!=NULL((void*)0)) && (!XtIsWidget(pw)(((Object)(pw))->object.widget_class->core_class.class_inited
& 0x04))) pw = pw->core.parent;
138 if ((pw!=NULL((void*)0)) && XtIsRealized (pw)((((((Object)(pw))->object.widget_class->core_class.class_inited
& 0x04) ? (pw) : _XtWindowedAncestor(pw)) ->core.window
) != 0L))
139 XClearArea (XtDisplay (pw)(((pw)->core.screen)->display), XtWindow (pw)((pw)->core.window),
140 r->rectangle.x, r->rectangle.y,
141 r->rectangle.width + (r->rectangle.border_width << 1),
142 r->rectangle.height + (r->rectangle.border_width << 1),
143 TRUE1);
144 }
145
146 }
147 }
148 if (call_change_managed && *num_unique_children != 0 &&
149 change_managed != NULL((void*)0) && parent_realized) {
150 CALLGEOTAT(_XtGeoTrace((Widget)parent,
151 "Call parent: \"%s\"[%d,%d]'s changemanaged proc\n",
152 XtName((Widget)parent),
153 parent->core.width,parent->core.height));
154 (*change_managed) (parent);
155 }
156} /* UnmanageChildren */
157
158void XtUnmanageChildren (
159 WidgetList children,
160 Cardinal num_children)
161{
162 Widget parent, hookobj;
163 Cardinal ii;
164#ifdef XTHREADS1
165 XtAppContext app;
166#endif
167
168 if (num_children == 0) return;
169 if (children[0] == NULL((void*)0)) {
170 XtWarningMsg(XtNinvalidChild,XtNxtUnmanageChildren,XtCXtToolkitError,
171 "Null child found in argument list to unmanage",
172 (String *)NULL((void*)0), (Cardinal *)NULL((void*)0));
173 return;
174 }
175#ifdef XTHREADS1
176 app = XtWidgetToApplicationContext(children[0]);
177#endif
178 LOCK_APP(app)if(app && app->lock)(*app->lock)(app);
179 parent = children[0]->core.parent;
180 if (parent->core.being_destroyed) {
181 UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app);
182 return;
183 }
184 UnmanageChildren(children, num_children, parent, &ii,
185 (Boolean)True1, XtNxtUnmanageChildren);
186 hookobj = XtHooksOfDisplay(XtDisplayOfObject(children[0])((((Object)(children[0]))->object.widget_class->core_class
.class_inited & 0x04) ? (children[0])->core.screen->
display : _XtIsHookObject(children[0]) ? ((HookObject)(children
[0]))->hooks.screen->display : _XtWindowedAncestor(children
[0])->core.screen->display));
187 if (XtHasCallbacks(hookobj, XtNchangeHook((char*)&XtStrings[2061])) == XtCallbackHasSome) {
188 XtChangeHookDataRec call_data;
189
190 call_data.type = XtHunmanageChildren((char*)&XtStrings[2236]);
191 call_data.widget = parent;
192 call_data.event_data = (XtPointer) children;
193 call_data.num_event_data = num_children;
194 XtCallCallbackList(hookobj,
195 ((HookObject)hookobj)->hooks.changehook_callbacks,
196 (XtPointer)&call_data);
197 }
198 UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app);
199} /* XtUnmanageChildren */
200
201void XtUnmanageChild(
202 Widget child)
203{
204 XtUnmanageChildren(&child, (Cardinal)1);
205} /* XtUnmanageChild */
206
207
208static void ManageChildren(
209 WidgetList children,
210 Cardinal num_children,
211 Widget parent,
212 Boolean call_change_managed,
213 String caller_func)
214{
215#define MAXCHILDREN100 100
216 Widget child;
217 Cardinal num_unique_children, i;
218 XtWidgetProc change_managed = NULL((void*)0);
219 WidgetList unique_children;
220 Widget cache[MAXCHILDREN100];
221 Boolint parent_realized = False0;
222
223 if (XtIsComposite((Widget) parent)(((Object)((Widget) parent))->object.widget_class->core_class
.class_inited & 0x08)) {
224 LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)();
225 change_managed = ((CompositeWidgetClass) parent->core.widget_class)
226 ->composite_class.change_managed;
227 UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)();
228 parent_realized = XtIsRealized((Widget)parent)((((((Object)((Widget)parent))->object.widget_class->core_class
.class_inited & 0x04) ? ((Widget)parent) : _XtWindowedAncestor
((Widget)parent)) ->core.window) != 0L);
229 } else {
230 XtAppErrorMsg(XtWidgetToApplicationContext((Widget)parent),
231 "invalidParent",caller_func, XtCXtToolkitError,
232 "Attempt to manage a child when parent is not Composite",
233 (String *) NULL((void*)0), (Cardinal *) NULL((void*)0));
234 }
235
236 /* Construct new list of children that really need to be operated upon. */
237 if (num_children <= MAXCHILDREN100) {
238 unique_children = cache;
239 } else {
240 unique_children = (WidgetList) __XtMalloc(num_children * sizeof(Widget));
241 }
242 num_unique_children = 0;
243 for (i = 0; i < num_children; i++) {
244 child = children[i];
245 if (child == NULL((void*)0)) {
246 XtAppWarningMsg(XtWidgetToApplicationContext((Widget)parent),
247 XtNinvalidChild,caller_func,XtCXtToolkitError,
248 "null child passed to ManageChildren",
249 (String *)NULL((void*)0), (Cardinal *)NULL((void*)0));
250 if (unique_children != cache) XtFree((char *) unique_children);
251 return;
252 }
253#ifdef DEBUG
254 if (!XtIsRectObj(child)(((Object)(child))->object.widget_class->core_class.class_inited
& 0x02)) {
255 String params[2];
256 Cardinal num_params = 2;
257 params[0] = XtName(child);
258 params[1] = child->core.widget_class->core_class.class_name;
259 XtAppWarningMsg(XtWidgetToApplicationContext((Widget)parent),
260 "notRectObj",caller_func,XtCXtToolkitError,
261 "child \"%s\", class %s is not a RectObj",
262 params, &num_params);
263 continue;
264 }
265#endif /*DEBUG*/
266 if (child->core.parent != parent) {
267 XtAppWarningMsg(XtWidgetToApplicationContext((Widget)parent),
268 "ambiguousParent",caller_func,XtCXtToolkitError,
269 "Not all children have same parent in XtManageChildren",
270 (String *)NULL((void*)0), (Cardinal *)NULL((void*)0));
271 } else if (! child->core.managed && !child->core.being_destroyed) {
272 unique_children[num_unique_children++] = child;
273 CALLGEOTAT(_XtGeoTrace(child,
274 "Child \"%s\"[%d,%d] is marked managed\n",
275 XtName(child),
276 child->core.width,child->core.height));
277 child->core.managed = TRUE1;
278 }
279 }
280
281 if ((call_change_managed || num_unique_children != 0) && parent_realized) {
282 /* Compute geometry of new managed set of children. */
283 if (change_managed != NULL((void*)0)) {
284 CALLGEOTAT(_XtGeoTrace((Widget)parent,
285 "Call parent: \"%s\"[%d,%d]'s changemanaged\n",
286 XtName((Widget)parent),
287 parent->core.width,parent->core.height));
288 (*change_managed) ((Widget)parent);
289 }
290
291 /* Realize each child if necessary, then map if necessary */
292 for (i = 0; i < num_unique_children; i++) {
293 child = unique_children[i];
294 if (XtIsWidget(child)(((Object)(child))->object.widget_class->core_class.class_inited
& 0x04)) {
295 if (! XtIsRealized(child)((((((Object)(child))->object.widget_class->core_class.
class_inited & 0x04) ? (child) : _XtWindowedAncestor(child
)) ->core.window) != 0L)) XtRealizeWidget(child);
296 if (child->core.mapped_when_managed) XtMapWidget(child)XMapWindow((((child)->core.screen)->display), ((child)->
core.window));
297 } else { /* RectObj child */
298 Widget pw = child->core.parent;
299 RectObj r = (RectObj) child;
300 while ((pw!=NULL((void*)0)) && (!XtIsWidget(pw)(((Object)(pw))->object.widget_class->core_class.class_inited
& 0x04)))
301 pw = pw->core.parent;
302 if (pw != NULL((void*)0))
303 XClearArea (XtDisplay (pw)(((pw)->core.screen)->display), XtWindow (pw)((pw)->core.window),
304 r->rectangle.x, r->rectangle.y,
305 r->rectangle.width + (r->rectangle.border_width << 1),
306 r->rectangle.height + (r->rectangle.border_width << 1),
307 TRUE1);
308 }
309 }
310 }
311
312 if (unique_children != cache) XtFree((char *) unique_children);
313} /* ManageChildren */
314
315void XtManageChildren(
316 WidgetList children,
317 Cardinal num_children)
318{
319 Widget parent, hookobj;
320#ifdef XTHREADS1
321 XtAppContext app;
322#endif
323
324 if (num_children == 0) return;
325 if (children[0] == NULL((void*)0)) {
326 XtWarningMsg(XtNinvalidChild, XtNxtManageChildren, XtCXtToolkitError,
327 "null child passed to XtManageChildren",
328 (String*)NULL((void*)0), (Cardinal*)NULL((void*)0));
329 return;
330 }
331#ifdef XTHREADS1
332 app = XtWidgetToApplicationContext(children[0]);
333#endif
334 LOCK_APP(app)if(app && app->lock)(*app->lock)(app);
335 parent = children[0]->core.parent;
336 if (parent->core.being_destroyed) {
337 UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app);
338 return;
339 }
340 ManageChildren(children, num_children, parent, (Boolean)False0,
341 XtNxtManageChildren);
342 hookobj = XtHooksOfDisplay(XtDisplayOfObject(children[0])((((Object)(children[0]))->object.widget_class->core_class
.class_inited & 0x04) ? (children[0])->core.screen->
display : _XtIsHookObject(children[0]) ? ((HookObject)(children
[0]))->hooks.screen->display : _XtWindowedAncestor(children
[0])->core.screen->display));
343 if (XtHasCallbacks(hookobj, XtNchangeHook((char*)&XtStrings[2061])) == XtCallbackHasSome) {
344 XtChangeHookDataRec call_data;
345
346 call_data.type = XtHmanageChildren((char*)&XtStrings[2219]);
347 call_data.widget = parent;
348 call_data.event_data = (XtPointer) children;
349 call_data.num_event_data = num_children;
350 XtCallCallbackList(hookobj,
351 ((HookObject)hookobj)->hooks.changehook_callbacks,
352 (XtPointer)&call_data);
353 }
354 UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app);
355} /* XtManageChildren */
356
357void XtManageChild(
358 Widget child)
359{
360 XtManageChildren(&child, (Cardinal) 1);
361} /* XtManageChild */
362
363
364void XtSetMappedWhenManaged(
365 Widget widget,
366 _XtBooleanBoolean mapped_when_managed)
367{
368 Widget hookobj;
369 WIDGET_TO_APPCON(widget)XtAppContext app = (widget && _XtProcessLock ? XtWidgetToApplicationContext
(widget) : ((void*)0));
370
371 LOCK_APP(app)if(app && app->lock)(*app->lock)(app);
372 if (widget->core.mapped_when_managed == mapped_when_managed) {
Dereference of null pointer
373 UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app);
374 return;
375 }
376 widget->core.mapped_when_managed = mapped_when_managed;
377
378 hookobj = XtHooksOfDisplay(XtDisplay(widget)(((widget)->core.screen)->display));
379 if (XtHasCallbacks(hookobj, XtNchangeHook((char*)&XtStrings[2061])) == XtCallbackHasSome) {
380 XtChangeHookDataRec call_data;
381
382 call_data.type = XtHsetMappedWhenManaged((char*)&XtStrings[2511]);
383 call_data.widget = widget;
384 call_data.event_data = (XtPointer) (unsigned long) mapped_when_managed;
385 XtCallCallbackList(hookobj,
386 ((HookObject)hookobj)->hooks.changehook_callbacks,
387 (XtPointer)&call_data);
388 }
389
390 if (! XtIsManaged(widget)((((Object)(widget))->object.widget_class->core_class.class_inited
& 0x02) ? (widget)->core.managed : 0)) {
391 UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app);
392 return;
393 }
394
395 if (mapped_when_managed) {
396 /* Didn't used to be mapped when managed. */
397 if (XtIsRealized(widget)((((((Object)(widget))->object.widget_class->core_class
.class_inited & 0x04) ? (widget) : _XtWindowedAncestor(widget
)) ->core.window) != 0L)) XtMapWidget(widget)XMapWindow((((widget)->core.screen)->display), ((widget
)->core.window));
398 } else {
399 /* Used to be mapped when managed. */
400 if (XtIsRealized(widget)((((((Object)(widget))->object.widget_class->core_class
.class_inited & 0x04) ? (widget) : _XtWindowedAncestor(widget
)) ->core.window) != 0L)) XtUnmapWidget(widget)XUnmapWindow((((widget)->core.screen)->display), ((widget
)->core.window));
401 }
402 UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app);
403} /* XtSetMappedWhenManaged */
404
405
406void XtChangeManagedSet(
407 WidgetList unmanage_children,
408 Cardinal num_unmanage,
409 XtDoChangeProc do_change_proc,
410 XtPointer client_data,
411 WidgetList manage_children,
412 Cardinal num_manage)
413{
414 WidgetList childp;
415 Widget parent;
416 int i;
417 Cardinal some_unmanaged;
418 Boolean call_out;
419 CompositeClassExtension ext;
420 XtAppContext app;
421 Widget hookobj;
422 XtChangeHookDataRec call_data;
423
424 if (num_unmanage == 0 && num_manage == 0)
425 return;
426
427 /* specification doesn't state that library will check for NULL in list */
428
429 childp = num_unmanage ? unmanage_children : manage_children;
430 app = XtWidgetToApplicationContext(*childp);
431 LOCK_APP(app)if(app && app->lock)(*app->lock)(app);
432
433 parent = XtParent(*childp)((*childp)->core.parent);
434 childp = unmanage_children;
435 for (i = num_unmanage; --i >= 0 && XtParent(*childp)((*childp)->core.parent) == parent; childp++);
436 call_out = (i >= 0);
437 childp = manage_children;
438 for (i = num_manage; --i >= 0 && XtParent(*childp)((*childp)->core.parent) == parent; childp++);
439 if (call_out || i >= 0) {
440 XtAppWarningMsg(app, "ambiguousParent", XtNxtChangeManagedSet,
441 XtCXtToolkitError, "Not all children have same parent",
442 (String *)NULL((void*)0), (Cardinal *)NULL((void*)0));
443 }
444 if (! XtIsComposite(parent)(((Object)(parent))->object.widget_class->core_class.class_inited
& 0x08)) {
445 UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app);
446 XtAppErrorMsg(app, "invalidParent", XtNxtChangeManagedSet,
447 XtCXtToolkitError,
448 "Attempt to manage a child when parent is not Composite",
449 (String *) NULL((void*)0), (Cardinal *) NULL((void*)0));
450 }
451 if (parent->core.being_destroyed) {
452 UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app);
453 return;
454 }
455
456 call_out = False0;
457 if (do_change_proc) {
458 ext = (CompositeClassExtension)
459 XtGetClassExtension(parent->core.widget_class,
460 XtOffsetOf(CompositeClassRec,__builtin_offsetof(CompositeClassRec, composite_class.extension
)
461 composite_class.extension)__builtin_offsetof(CompositeClassRec, composite_class.extension
),
462 NULLQUARK((XrmQuark) 0), XtCompositeExtensionVersion2L,
463 sizeof(CompositeClassExtensionRec));
464 if (!ext || !ext->allows_change_managed_set)
465 call_out = True1;
466 }
467
468 UnmanageChildren(unmanage_children, num_unmanage, parent,
469 &some_unmanaged, call_out, XtNxtChangeManagedSet);
470
471 hookobj = XtHooksOfDisplay(XtDisplay(parent)(((parent)->core.screen)->display));
472 if (XtHasCallbacks(hookobj, XtNchangeHook((char*)&XtStrings[2061])) == XtCallbackHasSome) {
473 call_data.type = XtHunmanageSet((char*)&XtStrings[2267]);
474 call_data.widget = parent;
475 call_data.event_data = (XtPointer) unmanage_children;
476 call_data.num_event_data = num_unmanage;
477 XtCallCallbackList(hookobj,
478 ((HookObject)hookobj)->hooks.changehook_callbacks,
479 (XtPointer) &call_data);
480 }
481
482 if (do_change_proc)
483 (*do_change_proc)(parent, unmanage_children, &num_unmanage,
484 manage_children, &num_manage, client_data);
485
486 call_out = (some_unmanaged && !call_out);
487 ManageChildren(manage_children, num_manage, parent, call_out,
488 XtNxtChangeManagedSet);
489
490 if (XtHasCallbacks(hookobj, XtNchangeHook((char*)&XtStrings[2061])) == XtCallbackHasSome) {
491 call_data.type = XtHmanageSet((char*)&XtStrings[2255]);
492 call_data.event_data = (XtPointer) manage_children;
493 call_data.num_event_data = num_manage;
494 XtCallCallbackList(hookobj,
495 ((HookObject)hookobj)->hooks.changehook_callbacks,
496 (XtPointer) &call_data);
497 }
498 UNLOCK_APP(app)if(app && app->unlock)(*app->unlock)(app);
499} /* XtChangeManagedSet */