/*
* Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * Copyright (c) 1999-2003 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
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
+ * 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.
+ *
+ * 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,
* 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_LICENSE_HEADER_END@
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#include <IOKit/pwr_mgt/IOPM.h>
#include <IOKit/pwr_mgt/IOPMPowerSourceList.h>
#include <IOKit/pwr_mgt/IOPMPowerSource.h>
#define super OSObject
-OSDefineMetaClassAndStructors(IOPMPowerSourceList,OSObject)
+OSDefineMetaClassAndStructors(IOPMPowerSourceList, OSObject)
-//*********************************************************************************
+//******************************************************************************
// init
//
-//*********************************************************************************
-void IOPMPowerSourceList::initialize ( void )
+//******************************************************************************
+void
+IOPMPowerSourceList::initialize( void )
{
- firstItem = NULL;
- length = 0;
+ firstItem = NULL;
+ length = 0;
}
-//*********************************************************************************
+//******************************************************************************
// addToList
//
-//*********************************************************************************
+//******************************************************************************
-IOReturn IOPMPowerSourceList::addToList ( IOPMPowerSource * newPowerSource )
+IOReturn
+IOPMPowerSourceList::addToList(IOPMPowerSource *newPowerSource)
{
- IOPMPowerSource * nextPowerSource;
- nextPowerSource = firstItem; // Is new object already in the list?
- while ( nextPowerSource != NULL ) {
- if ( nextPowerSource == newPowerSource ) {
- return IOPMNoErr; // yes, just return
- }
- nextPowerSource = nextInList(nextPowerSource);
- }
- newPowerSource->nextInList = firstItem; // add it to list
- firstItem = newPowerSource;
- length += 1;
- return IOPMNoErr;
+ IOPMPowerSource * nextPowerSource;
+
+ // Is new object already in the list?
+ nextPowerSource = firstItem;
+ while (nextPowerSource != NULL) {
+ if (nextPowerSource == newPowerSource) {
+ // yes, just return
+ return IOPMNoErr;
+ }
+ nextPowerSource = nextInList(nextPowerSource);
+ }
+
+ // add it to list
+ newPowerSource->nextInList = firstItem;
+ firstItem = newPowerSource;
+ length++;
+ return IOPMNoErr;
}
-//*********************************************************************************
+//******************************************************************************
// firstInList
//
-//*********************************************************************************
+//******************************************************************************
-IOPMPowerSource * IOPMPowerSourceList::firstInList ( void )
+IOPMPowerSource *
+IOPMPowerSourceList::firstInList( void )
{
- return firstItem;
+ return firstItem;
}
-//*********************************************************************************
+//******************************************************************************
// nextInList
//
-//*********************************************************************************
+//******************************************************************************
-IOPMPowerSource * IOPMPowerSourceList::nextInList ( IOPMPowerSource * currentItem )
+IOPMPowerSource *
+IOPMPowerSourceList::nextInList(IOPMPowerSource *currentItem)
{
- if ( currentItem != NULL ) {
- return (currentItem->nextInList);
- }
- return NULL;
+ if (currentItem != NULL) {
+ return currentItem->nextInList;
+ }
+ return NULL;
}
-//*********************************************************************************
+//******************************************************************************
// numberOfItems
//
-//*********************************************************************************
+//******************************************************************************
-unsigned long IOPMPowerSourceList::numberOfItems ( void )
+unsigned long
+IOPMPowerSourceList::numberOfItems( void )
{
- return length;
+ return length;
}
-//*********************************************************************************
+//******************************************************************************
// removeFromList
//
// Find the item in the list, unlink it, and free it.
-//*********************************************************************************
+//******************************************************************************
-IOReturn IOPMPowerSourceList::removeFromList ( IOPMPowerSource * theItem )
+IOReturn
+IOPMPowerSourceList::removeFromList( IOPMPowerSource * theItem )
{
- IOPMPowerSource * item = firstItem;
- IOPMPowerSource * temp;
-
- if ( item != NULL ) {
- if ( item == theItem ) {
- firstItem = item->nextInList;
- length--;
- item->release();
- return IOPMNoErr;
- }
- while ( item->nextInList != NULL ) {
- if ( item->nextInList == theItem ) {
- temp = item->nextInList;
- item->nextInList = temp->nextInList;
- length--;
- temp->release();
- return IOPMNoErr;
- }
- item = item->nextInList;
- }
- }
- return IOPMNoErr;
+ IOPMPowerSource * item = firstItem;
+ IOPMPowerSource * temp;
+
+ if (NULL == item) {
+ goto exit;
+ }
+
+ if (item == theItem) {
+ firstItem = item->nextInList;
+ length--;
+ item->release();
+ return IOPMNoErr;
+ }
+ while (item->nextInList != NULL) {
+ if (item->nextInList == theItem) {
+ temp = item->nextInList;
+ item->nextInList = temp->nextInList;
+ length--;
+ temp->release();
+ return IOPMNoErr;
+ }
+ item = item->nextInList;
+ }
+
+exit:
+ return IOPMNoErr;
}
-//*********************************************************************************
+//******************************************************************************
// free
//
// Free all items in the list, and then free the list itself
-//*********************************************************************************
+//******************************************************************************
-void IOPMPowerSourceList::free (void )
+void
+IOPMPowerSourceList::free(void )
{
- IOPMPowerSource * next = firstItem;
-
- while ( next != NULL ) {
- firstItem = next->nextInList;
- length--;
- next->release();
- next = firstItem;
- }
-super::free();
+ IOPMPowerSource * next = firstItem;
+
+ while (next != NULL) {
+ firstItem = next->nextInList;
+ length--;
+ next->release();
+ next = firstItem;
+ }
+ super::free();
}
-
-
-
-
-
-
-
projects / apple / xnu.git / blobdiff