X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/d7e50217d7adf6e52786a38bcaa4cd698cb9a79e..2a1bd2d3eef5c7a7bb14f4bb9fdbca9a96ee4752:/iokit/Kernel/IOPMPowerSourceList.cpp diff --git a/iokit/Kernel/IOPMPowerSourceList.cpp b/iokit/Kernel/IOPMPowerSourceList.cpp index 1a968d588..e24770e7d 100644 --- a/iokit/Kernel/IOPMPowerSourceList.cpp +++ b/iokit/Kernel/IOPMPowerSourceList.cpp @@ -1,17 +1,20 @@ /* * 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, @@ -19,136 +22,145 @@ * 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 #include #include #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(); } - - - - - - -