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71 | #ifdef HAVE_CONFIG_H1 |
72 | #include <config.h> |
73 | #endif |
74 | #include "IntrinsicI.h" |
75 | #include "StringDefs.h" |
76 | |
77 | static XtResource resources[] = { |
78 | {XtNdestroyCallback((char*)&XtStrings[169]), XtCCallback((char*)&XtStrings[952]), XtRCallback((char*)&XtStrings[1569]),sizeof(XtPointer), |
79 | XtOffsetOf(ObjectRec,object.destroy_callbacks)__builtin_offsetof(ObjectRec, object.destroy_callbacks), |
80 | XtRCallback((char*)&XtStrings[1569]), (XtPointer)NULL((void*)0)} |
81 | }; |
82 | |
83 | static void ObjectClassPartInitialize(WidgetClass); |
84 | static Boolean ObjectSetValues(Widget, Widget, Widget, ArgList, Cardinal *); |
85 | static void ObjectDestroy(Widget); |
86 | |
87 | externaldef(objectclassrec) ObjectClassRec objectClassRec = { |
88 | { |
89 | NULL((void*)0), |
90 | "Object", |
91 | sizeof(ObjectRec), |
92 | NULL((void*)0), |
93 | ObjectClassPartInitialize, |
94 | FALSE0, |
95 | NULL((void*)0), |
96 | NULL((void*)0), |
97 | NULL((void*)0), |
98 | NULL((void*)0), |
99 | 0, |
100 | resources, |
101 | XtNumber(resources)((Cardinal) (sizeof(resources) / sizeof(resources[0]))), |
102 | NULLQUARK((XrmQuark) 0), |
103 | FALSE0, |
104 | FALSE0, |
105 | FALSE0, |
106 | FALSE0, |
107 | ObjectDestroy, |
108 | NULL((void*)0), |
109 | NULL((void*)0), |
110 | ObjectSetValues, |
111 | NULL((void*)0), |
112 | NULL((void*)0), |
113 | NULL((void*)0), |
114 | NULL((void*)0), |
115 | XtVersion(11 * 1000 + 6), |
116 | NULL((void*)0), |
117 | NULL((void*)0), |
118 | NULL((void*)0), |
119 | NULL((void*)0), |
120 | NULL((void*)0) |
121 | } |
122 | }; |
123 | |
124 | externaldef(objectClass) WidgetClass objectClass |
125 | = (WidgetClass)&objectClassRec; |
126 | |
127 | |
128 | |
129 | |
130 | |
131 | |
132 | static void ConstructCallbackOffsets( |
133 | WidgetClass widgetClass) |
134 | { |
135 | static XrmQuark QCallback = NULLQUARK((XrmQuark) 0); |
136 | register int i; |
137 | register int tableSize; |
138 | register CallbackTable newTable; |
139 | register CallbackTable superTable; |
140 | register XrmResourceList resourceList; |
141 | ObjectClass objectClass = (ObjectClass)widgetClass; |
142 | |
143 | |
144 | |
145 | |
146 | |
147 | |
148 | |
149 | |
150 | if (QCallback == NULLQUARK((XrmQuark) 0)) |
| |
151 | QCallback = XrmPermStringToQuark(XtRCallback((char*)&XtStrings[1569])); |
152 | |
153 | if (objectClass->object_class.superclass != NULL((void*)0)) { |
| |
154 | superTable = (CallbackTable) |
155 | ((ObjectClass) objectClass->object_class.superclass)-> |
156 | object_class.callback_private; |
157 | tableSize = (int)(long) superTable[0]; |
158 | } else { |
159 | superTable = (CallbackTable) NULL((void*)0); |
160 | tableSize = 0; |
161 | } |
162 | |
163 | |
164 | resourceList = (XrmResourceList) objectClass->object_class.resources; |
| 6 | | Null pointer value stored to 'resourceList' | |
|
165 | for (i = objectClass->object_class.num_resources; --i >= 0; resourceList++) |
| 7 | | Loop condition is true. Entering loop body | |
|
166 | if (resourceList->xrm_type == QCallback) |
| 8 | | Access to field 'xrm_type' results in a dereference of a null pointer (loaded from variable 'resourceList') |
|
167 | tableSize++; |
168 | |
169 | |
170 | |
171 | |
172 | |
173 | |
174 | newTable = (CallbackTable) |
175 | __XtMalloc(sizeof(XrmResource *) * (tableSize + 1)); |
176 | |
177 | newTable[0] = (XrmResource *)(long) tableSize; |
178 | |
179 | if (superTable) |
180 | tableSize -= (int)(long) superTable[0]; |
181 | resourceList = (XrmResourceList) objectClass->object_class.resources; |
182 | for (i=1; tableSize > 0; resourceList++) |
183 | if (resourceList->xrm_type == QCallback) { |
184 | newTable[i++] = resourceList; |
185 | tableSize--; |
186 | } |
187 | |
188 | if (superTable) |
189 | for (tableSize = (int)(long) *superTable++; |
190 | --tableSize >= 0; superTable++) |
191 | newTable[i++] = *superTable; |
192 | |
193 | objectClass->object_class.callback_private = (XtPointer) newTable; |
194 | } |
195 | |
196 | static void InheritObjectExtensionMethods( |
197 | WidgetClass widget_class) |
198 | { |
199 | ObjectClass oc = (ObjectClass) widget_class; |
200 | ObjectClassExtension ext, super_ext = NULL((void*)0); |
201 | |
202 | ext = (ObjectClassExtension) |
203 | XtGetClassExtension(widget_class, |
204 | XtOffsetOf(ObjectClassRec, object_class.extension)__builtin_offsetof(ObjectClassRec, object_class.extension), |
205 | NULLQUARK((XrmQuark) 0), XtObjectExtensionVersion1L, |
206 | sizeof(ObjectClassExtensionRec)); |
207 | |
208 | if (oc->object_class.superclass) |
209 | super_ext = (ObjectClassExtension) |
210 | XtGetClassExtension(oc->object_class.superclass, |
211 | XtOffsetOf(ObjectClassRec, object_class.extension)__builtin_offsetof(ObjectClassRec, object_class.extension), |
212 | NULLQUARK((XrmQuark) 0), XtObjectExtensionVersion1L, |
213 | sizeof(ObjectClassExtensionRec)); |
214 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); |
215 | if (ext) { |
216 | if (ext->allocate == XtInheritAllocate((XtAllocateProc) _XtInherit)) |
217 | ext->allocate = (super_ext ? super_ext->allocate : NULL((void*)0)); |
218 | if (ext->deallocate == XtInheritDeallocate((XtDeallocateProc) _XtInherit)) |
219 | ext->deallocate = (super_ext ? super_ext->deallocate : NULL((void*)0)); |
220 | } else if (super_ext) { |
221 | |
222 | ext = (ObjectClassExtension) |
223 | __XtCalloc(1, sizeof(ObjectClassExtensionRec)); |
224 | ext->next_extension = oc->object_class.extension; |
225 | ext->record_type = NULLQUARK((XrmQuark) 0); |
226 | ext->version = XtObjectExtensionVersion1L; |
227 | ext->record_size = sizeof(ObjectClassExtensionRec); |
228 | ext->allocate = super_ext->allocate; |
229 | ext->deallocate = super_ext->deallocate; |
230 | oc->object_class.extension = (XtPointer) ext; |
231 | } |
232 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); |
233 | } |
234 | |
235 | static void ObjectClassPartInitialize( |
236 | register WidgetClass wc) |
237 | { |
238 | ObjectClass oc = (ObjectClass)wc; |
239 | |
240 | oc->object_class.xrm_class = |
241 | XrmPermStringToQuark(oc->object_class.class_name); |
242 | |
243 | if (oc->object_class.resources) |
| 1 | Assuming pointer value is null | |
|
| |
244 | _XtCompileResourceList(oc->object_class.resources, |
245 | oc->object_class.num_resources); |
246 | |
247 | ConstructCallbackOffsets(wc); |
| 3 | | Calling 'ConstructCallbackOffsets' | |
|
248 | _XtResourceDependencies(wc); |
249 | InheritObjectExtensionMethods(wc); |
250 | } |
251 | |
252 | |
253 | |
254 | static Boolean ObjectSetValues( |
255 | Widget old, |
256 | Widget request, |
257 | Widget widget, |
258 | ArgList args, |
259 | Cardinal * num_args) |
260 | { |
261 | register CallbackTable offsets; |
262 | register int i; |
263 | register InternalCallbackList *ol, *nl; |
264 | |
265 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); |
266 | |
267 | offsets = (CallbackTable) XtClass(widget)((widget)->core.widget_class)->core_class.callback_private; |
268 | |
269 | for (i= (int)(long) *(offsets++); --i >= 0; offsets++) { |
270 | ol = (InternalCallbackList *) |
271 | ((char *) old - (*offsets)->xrm_offset - 1); |
272 | nl = (InternalCallbackList *) |
273 | ((char *) widget - (*offsets)->xrm_offset - 1); |
274 | if (*ol != *nl) { |
275 | if (*ol != NULL((void*)0)) |
276 | XtFree((char *) *ol); |
277 | if (*nl != NULL((void*)0)) |
278 | *nl = _XtCompileCallbackList((XtCallbackList) *nl); |
279 | } |
280 | } |
281 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); |
282 | return False0; |
283 | } |
284 | |
285 | |
286 | static void ObjectDestroy ( |
287 | register Widget widget) |
288 | { |
289 | register CallbackTable offsets; |
290 | register int i; |
291 | register InternalCallbackList cl; |
292 | |
293 | |
294 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); |
295 | offsets = (CallbackTable) |
296 | widget->core.widget_class->core_class.callback_private; |
297 | |
298 | for (i = (int)(long) *(offsets++); --i >= 0; offsets++) { |
299 | cl = *(InternalCallbackList *) |
300 | ((char *) widget - (*offsets)->xrm_offset - 1); |
301 | if (cl) XtFree((char *) cl); |
302 | } |
303 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); |
304 | } |