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Annotation of driverkit/libDriver/pcmcia/IOPCMCIATuple.m, revision 1.1.1.1

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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