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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 | } |