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Annotation of driverkit/libDriver/pcmcia/IOPCMCIATuple.m, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: /*
        !            25:  * Copyright 1994 NeXT Computer, Inc.
        !            26:  * All rights reserved.
        !            27:  */
        !            28: 
        !            29: #import <driverkit/i386/PCMCIATuple.h>
        !            30: #import <driverkit/i386/IOPCMCIATuple.h>
        !            31: #import <driverkit/i386/IOPCMCIATuplePrivate.h>
        !            32: 
        !            33: @implementation IOPCMCIATuple(Private)
        !            34: 
        !            35: struct _tuple_private {
        !            36:        id              kernTuple;
        !            37:        unsigned char   code;
        !            38:        unsigned        length;
        !            39:        unsigned char   *data;
        !            40: };
        !            41: 
        !            42: - initWithKernTuple:tuple
        !            43: {
        !            44:     struct _tuple_private *private;
        !            45:     
        !            46:     if (tuple == NULL)
        !            47:        return [super free];
        !            48: 
        !            49:     [super init];
        !            50:     private = (struct _tuple_private *)IOMalloc(sizeof(struct _tuple_private));
        !            51:     _private = private;
        !            52:     private->kernTuple = tuple;
        !            53:     private->code = [tuple code];
        !            54:     private->length = [tuple length];
        !            55:     private->data = NULL;
        !            56:     return self;
        !            57: }
        !            58: 
        !            59: @end
        !            60: 
        !            61: @implementation IOPCMCIATuple
        !            62: 
        !            63: - free
        !            64: {
        !            65:     struct _tuple_private *private = (struct _tuple_private *)_private;
        !            66:     if (private->data != NULL)
        !            67:        IOFree(private->data, private->length);
        !            68:     IOFree(private, sizeof(struct _tuple_private));
        !            69:     return [super free];
        !            70: }
        !            71: 
        !            72: - (unsigned char) code
        !            73: {
        !            74:     struct _tuple_private *private = (struct _tuple_private *)_private;
        !            75:     return private->code;
        !            76: }
        !            77: 
        !            78: - (unsigned) length
        !            79: {
        !            80:     struct _tuple_private *private = (struct _tuple_private *)_private;
        !            81:     return private->length;
        !            82: }
        !            83: 
        !            84: - (unsigned char *) data;
        !            85: {
        !            86:     struct _tuple_private *private = (struct _tuple_private *)_private;
        !            87:     unsigned length;
        !            88: 
        !            89:     if (private->data == NULL) {
        !            90:        private->data = IOMalloc(private->length);
        !            91:        bcopy([private->kernTuple data], private->data, private->length);
        !            92:     }
        !            93:     return private->data;
        !            94: }
        !            95: 
        !            96: @end

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