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libkern/c++/OSDictionary.cpp xnu-2050.7.9 xnu-792
--- xnu/xnu-2050.7.9/libkern/c++/OSDictionary.cpp
+++ xnu/xnu-792/libkern/c++/OSDictionary.cpp
@@ -1,29 +1,23 @@
 /*
  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ * @APPLE_LICENSE_HEADER_START@
  * 
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License").  You may not use this file except in compliance with the
+ * License.  Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
  * 
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this file.
- * 
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * This Original Code and all software distributed under the License are
+ * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
  * 
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ * @APPLE_LICENSE_HEADER_END@
  */
 /* OSDictionary.m created by rsulack on Fri 12-Sep-1997 */
 /* OSDictionary.cpp converted to C++ by gvdl on Fri 1998-10-30 */
@@ -68,8 +62,6 @@
 
     int size = inCapacity * sizeof(dictEntry);
 
-//fOptions |= kSort;
-
     dictionary = (dictEntry *) kalloc(size);
     if (!dictionary)
         return false;
@@ -89,7 +81,7 @@
                                    unsigned int theCount,
                                    unsigned int theCapacity)
 {
-    unsigned int newCapacity = theCount;
+    unsigned int capacity = theCount;
 
     if (!objects || !keys)
         return false;
@@ -98,10 +90,10 @@
         if (theCount > theCapacity)
             return false;
         
-        newCapacity = theCapacity;
-    }
-
-    if (!initWithCapacity(newCapacity))
+        capacity = theCapacity;
+    }
+
+    if (!initWithCapacity(capacity))
         return false;
 
     for (unsigned int i = 0; i < theCount; i++) {
@@ -119,7 +111,7 @@
                                    unsigned int theCount,
                                    unsigned int theCapacity)
 {
-    unsigned int newCapacity = theCount;
+    unsigned int capacity = theCount;
 
     if (!objects || !keys)
         return false;
@@ -128,10 +120,10 @@
         if (theCount > theCapacity)
             return false;
 
-        newCapacity = theCapacity;
-    }
-
-    if (!initWithCapacity(newCapacity))
+        capacity = theCapacity;
+    }
+
+    if (!initWithCapacity(capacity))
         return false;
 
     for (unsigned int i = 0; i < theCount; i++) {
@@ -155,31 +147,22 @@
 bool OSDictionary::initWithDictionary(const OSDictionary *dict,
                                       unsigned int theCapacity)
 {
-    unsigned int newCapacity;
+    unsigned int capacity;
 
     if ( !dict )
         return false;
 
-    newCapacity = dict->count;
+    capacity = dict->count;
 
     if ( theCapacity ) {
         if ( dict->count > theCapacity )
             return false;
         
-        newCapacity = theCapacity;
-    }
-
-    if (!initWithCapacity(newCapacity))
-        return false;
-
-    if ((kSort & fOptions) && !(kSort & dict->fOptions)) {
-	for (unsigned int i = 0; i < dict->count; i++) {
-	    if (!setObject(dict->dictionary[i].key, dict->dictionary[i].value)) {
-		return false;
-	    }
-	}
-	return true;
-    }
+        capacity = theCapacity;
+    }
+
+    if (!initWithCapacity(capacity))
+        return false;
 
     count = dict->count;
     bcopy(dict->dictionary, dictionary, count * sizeof(dictEntry));
@@ -251,7 +234,7 @@
     (void) super::setOptions(0, kImmutable);
     flushCollection();
     if (dictionary) {
-        kfree(dictionary, capacity * sizeof(dictEntry));
+        kfree((vm_offset_t)dictionary, capacity * sizeof(dictEntry));
         ACCUMSIZE( -(capacity * sizeof(dictEntry)) );
     }
 
@@ -294,7 +277,7 @@
         bzero(&newDict[capacity], newSize - oldSize);
 
         ACCUMSIZE(newSize - oldSize);
-        kfree(dictionary, oldSize);
+        kfree((vm_offset_t)dictionary, oldSize);
 
         dictionary = newDict;
         capacity = newCapacity;
@@ -317,45 +300,34 @@
 bool OSDictionary::
 setObject(const OSSymbol *aKey, const OSMetaClassBase *anObject)
 {
-    unsigned int i;
-    bool exists;
-
     if (!anObject || !aKey)
         return false;
 
     // if the key exists, replace the object
-
-    if (fOptions & kSort) {
-    	i = OSSymbol::bsearch(aKey, &dictionary[0], count, sizeof(dictionary[0]));
-	exists = (i < count) && (aKey == dictionary[i].key);
-    } else for (exists = false, i = 0; i < count; i++) {
-        if ((exists = (aKey == dictionary[i].key))) break;
-    }
-
-    if (exists) {
-	const OSMetaClassBase *oldObject = dictionary[i].value;
-    
-	haveUpdated();
-    
-	anObject->taggedRetain(OSTypeID(OSCollection));
-	dictionary[i].value = anObject;
-    
-	oldObject->taggedRelease(OSTypeID(OSCollection));
-	return true;
+    for (unsigned int i = 0; i < count; i++) {
+        if (aKey == dictionary[i].key) {
+            const OSMetaClassBase *oldObject = dictionary[i].value;
+
+            haveUpdated();
+
+            anObject->taggedRetain(OSTypeID(OSCollection));
+            dictionary[i].value = anObject;
+
+            oldObject->taggedRelease(OSTypeID(OSCollection));
+            return true;
+        }
     }
 
     // add new key, possibly extending our capacity
     if (count >= capacity && count >= ensureCapacity(count+1))
-        return false;
+        return 0;
 
     haveUpdated();
-
-    bcopy(&dictionary[i], &dictionary[i+1], (count - i) * sizeof(dictionary[0]));
 
     aKey->taggedRetain(OSTypeID(OSCollection));
     anObject->taggedRetain(OSTypeID(OSCollection));
-    dictionary[i].key = aKey;
-    dictionary[i].value = anObject;
+    dictionary[count].key = aKey;
+    dictionary[count].value = anObject;
     count++;
 
     return true;
@@ -363,33 +335,24 @@
 
 void OSDictionary::removeObject(const OSSymbol *aKey)
 {
-    unsigned int i;
-    bool exists;
-
     if (!aKey)
         return;
 
     // if the key exists, remove the object
-
-    if (fOptions & kSort) {
-    	i = OSSymbol::bsearch(aKey, &dictionary[0], count, sizeof(dictionary[0]));
-	exists = (i < count) && (aKey == dictionary[i].key);
-    } else for (exists = false, i = 0; i < count; i++) {
-        if ((exists = (aKey == dictionary[i].key))) break;
-    }
-
-    if (exists) {
-	dictEntry oldEntry = dictionary[i];
-
-	haveUpdated();
-
-	count--;
-	bcopy(&dictionary[i+1], &dictionary[i], (count - i) * sizeof(dictionary[0]));
-
-	oldEntry.key->taggedRelease(OSTypeID(OSCollection));
-	oldEntry.value->taggedRelease(OSTypeID(OSCollection));
-	return;
-    }
+    for (unsigned int i = 0; i < count; i++)
+        if (aKey == dictionary[i].key) {
+            dictEntry oldEntry = dictionary[i];
+
+            haveUpdated();
+
+            count--;
+            for (; i < count; i++)
+                dictionary[i] = dictionary[i+1];
+
+            oldEntry.key->taggedRelease(OSTypeID(OSCollection));
+            oldEntry.value->taggedRelease(OSTypeID(OSCollection));
+            return;
+        }
 }
 
 
@@ -402,7 +365,7 @@
     if ( !OSDynamicCast(OSDictionary, srcDict) )
         return false;
 
-    iter = OSCollectionIterator::withCollection(const_cast<OSDictionary *>(srcDict));
+    iter = OSCollectionIterator::withCollection((OSDictionary *)srcDict);
     if ( !iter )
         return false;
 
@@ -422,24 +385,13 @@
 
 OSObject *OSDictionary::getObject(const OSSymbol *aKey) const
 {
-    unsigned int i;
-    bool exists;
-
     if (!aKey)
         return 0;
 
-    // if the key exists, return the object
-
-    if (fOptions & kSort) {
-    	i = OSSymbol::bsearch(aKey, &dictionary[0], count, sizeof(dictionary[0]));
-	exists = (i < count) && (aKey == dictionary[i].key);
-    } else for (exists = false, i = 0; i < count; i++) {
-        if ((exists = (aKey == dictionary[i].key))) break;
-    }
-
-    if (exists) {
-	return (const_cast<OSObject *> ((const OSObject *)dictionary[i].value));
-    }
+    // if the key exists, remove the object
+    for (unsigned int i = 0; i < count; i++)
+        if (aKey == dictionary[i].key)
+            return (OSObject *) dictionary[i].value;
 
     return 0;
 }