hfs_encodings/hfs_encodings_kext.cpp

   1 /*
   2  * Copyright (c) 2015 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28
  29 #include <IOKit/IOService.h>
  30 #include <IOKit/IOLib.h>
  31 #include <sys/queue.h>
  32 #include <libkern/OSKextLib.h>
  33
  34 #include "hfs_encodings_internal.h"
  35
  36 class com_apple_filesystems_hfs_encodings : public IOService {
  37     OSDeclareDefaultStructors(com_apple_filesystems_hfs_encodings)
  38
  39 public:
  40
  41         bool start(IOService *provider) override;
  42         void stop(IOService *provider) override;
  43 };
  44
  45 #define super IOService
  46 OSDefineMetaClassAndStructors(com_apple_filesystems_hfs_encodings, IOService)
  47
  48 bool com_apple_filesystems_hfs_encodings::start(IOService *provider)
  49 {
  50         if (!super::start(provider))
  51                 return false;
  52
  53         hfs_converterinit();
  54
  55         return true;
  56 }
  57
  58 void com_apple_filesystems_hfs_encodings::stop(IOService * provider)
  59 {
  60         hfs_converterdone();
  61         super::stop(provider);
  62 }