--- xnu/xnu-6153.141.1/libkern/c++/OSCollectionIterator.cpp
+++ xnu/xnu-3789.70.16/libkern/c++/OSCollectionIterator.cpp
@@ -2,7 +2,7 @@
  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_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
@@ -11,10 +11,10 @@
  * 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.
- *
+ * 
  * 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
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
@@ -22,7 +22,7 @@
  * 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.
- *
+ * 
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /* IOArray.h created by rsulack on Thu 11-Sep-1997 */
@@ -36,101 +36,93 @@
 
 OSDefineMetaClassAndStructors(OSCollectionIterator, OSIterator)
 
-bool
-OSCollectionIterator::initWithCollection(const OSCollection *inColl)
+bool OSCollectionIterator::initWithCollection(const OSCollection *inColl)
 {
-	if (!super::init() || !inColl) {
-		return false;
-	}
+    if ( !super::init() || !inColl)
+        return false;
 
-	inColl->retain();
-	collection = inColl;
-	collIterator = NULL;
-	initialUpdateStamp = 0;
-	valid = false;
+    inColl->retain();
+    collection = inColl;
+    collIterator = 0;
+    initialUpdateStamp = 0;
+    valid = false;
 
-	return true;
+    return true;
 }
 
 OSCollectionIterator *
 OSCollectionIterator::withCollection(const OSCollection *inColl)
 {
-	OSCollectionIterator *me = new OSCollectionIterator;
 
-	if (me && !me->initWithCollection(inColl)) {
-		me->release();
-		return NULL;
-	}
+    OSCollectionIterator *me = new OSCollectionIterator;
 
-	return me;
+    if (me && !me->initWithCollection(inColl)) {
+        me->release();
+        return 0;
+    }
+
+    return me;
 }
 
-void
-OSCollectionIterator::free()
+void OSCollectionIterator::free()
 {
-	if (collIterator) {
-		kfree(collIterator, collection->iteratorSize());
-		OSCONTAINER_ACCUMSIZE(-((size_t) collection->iteratorSize()));
-		collIterator = NULL;
-	}
+    if (collIterator) {
+        kfree(collIterator, collection->iteratorSize());
+	OSCONTAINER_ACCUMSIZE(-((size_t) collection->iteratorSize()));
+        collIterator = 0;
+    }
 
-	if (collection) {
-		collection->release();
-		collection = NULL;
-	}
+    if (collection) {
+        collection->release();
+        collection = 0;
+    }
 
-	super::free();
+    super::free();
 }
 
-void
-OSCollectionIterator::reset()
+void OSCollectionIterator::reset()
 {
-	valid = false;
+    valid = false;
 
-	if (!collIterator) {
-		collIterator = (void *)kalloc_container(collection->iteratorSize());
-		OSCONTAINER_ACCUMSIZE(collection->iteratorSize());
-		if (!collIterator) {
-			return;
-		}
-	}
+    if (!collIterator) {
+        collIterator = (void *)kalloc_container(collection->iteratorSize());
+	OSCONTAINER_ACCUMSIZE(collection->iteratorSize());
+        if (!collIterator)
+            return;
+    }
 
-	if (!collection->initIterator(collIterator)) {
-		return;
-	}
+    if (!collection->initIterator(collIterator))
+        return;
 
-	initialUpdateStamp = collection->updateStamp;
-	valid = true;
+    initialUpdateStamp = collection->updateStamp;
+    valid = true;
 }
 
-bool
-OSCollectionIterator::isValid()
+bool OSCollectionIterator::isValid()
 {
-	if (!collIterator) {
-		collIterator = (void *)kalloc_container(collection->iteratorSize());
-		OSCONTAINER_ACCUMSIZE(collection->iteratorSize());
-		if (!collection->initIterator(collIterator)) {
-			return false;
-		}
-		initialUpdateStamp = collection->updateStamp;
-		valid = true;
-	} else if (!valid || collection->updateStamp != initialUpdateStamp) {
-		return false;
-	}
-
-	return true;
+    if (!collIterator) {
+        collIterator = (void *)kalloc_container(collection->iteratorSize());
+	OSCONTAINER_ACCUMSIZE(collection->iteratorSize());
+        if (!collection->initIterator(collIterator))
+            return false;
+        initialUpdateStamp = collection->updateStamp;
+        valid = true;
+    }
+    else if (!valid || collection->updateStamp != initialUpdateStamp)
+        return false;
+    
+    return true;
 }
 
-OSObject *
-OSCollectionIterator::getNextObject()
+OSObject *OSCollectionIterator::getNextObject()
 {
-	OSObject *retObj;
-	bool retVal;
+    OSObject *retObj;
+    bool retVal;
 
-	if (!isValid()) {
-		return NULL;
-	}
+    if (!isValid())
+        return 0;
 
-	retVal = collection->getNextObjectForIterator(collIterator, &retObj);
-	return (retVal)? retObj : NULL;
+    retVal = collection->getNextObjectForIterator(collIterator, &retObj);
+    return (retVal)? retObj : 0;
 }
+