xref: /freebsd/sys/dev/isci/scil/sci_base_iterator.h (revision dd41de95a84d979615a2ef11df6850622bf6184e)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0
3  *
4  * This file is provided under a dual BSD/GPLv2 license.  When using or
5  * redistributing this file, you may do so under either license.
6  *
7  * GPL LICENSE SUMMARY
8  *
9  * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
10  *
11  * This program is free software; you can redistribute it and/or modify
12  * it under the terms of version 2 of the GNU General Public License as
13  * published by the Free Software Foundation.
14  *
15  * This program is distributed in the hope that it will be useful, but
16  * WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
18  * General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
23  * The full GNU General Public License is included in this distribution
24  * in the file called LICENSE.GPL.
25  *
26  * BSD LICENSE
27  *
28  * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
29  * All rights reserved.
30  *
31  * Redistribution and use in source and binary forms, with or without
32  * modification, are permitted provided that the following conditions
33  * are met:
34  *
35  *   * Redistributions of source code must retain the above copyright
36  *     notice, this list of conditions and the following disclaimer.
37  *   * Redistributions in binary form must reproduce the above copyright
38  *     notice, this list of conditions and the following disclaimer in
39  *     the documentation and/or other materials provided with the
40  *     distribution.
41  *
42  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
43  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
44  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
45  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
46  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
47  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
48  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
49  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
50  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
51  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
52  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
53  *
54  * $FreeBSD$
55  */
56 /**
57  * @file
58  *
59  * @brief This file contains the protected interface to the iterator class.
60  *        Methods Provided:
61  *        - sci_base_iterator_construct()
62  */
63 
64 #ifndef _SCI_BASE_ITERATOR_H_
65 #define _SCI_BASE_ITERATOR_H_
66 
67 #ifdef __cplusplus
68 extern "C" {
69 #endif // __cplusplus
70 
71 //******************************************************************************
72 //*
73 //*     I N C L U D E S
74 //*
75 //******************************************************************************
76 
77 #include <dev/isci/scil/sci_iterator.h>
78 #include <dev/isci/scil/sci_abstract_list.h>
79 
80 //******************************************************************************
81 //*
82 //*     C O N S T A N T S
83 //*
84 //******************************************************************************
85 
86 //******************************************************************************
87 //*
88 //*     T Y P E S
89 //*
90 //******************************************************************************
91 
92 /**
93  * @struct SCI_BASE_ITERATOR
94  *
95  * @brief This object represents an iterator of an abstract list.
96  *
97  */
98 typedef struct SCI_BASE_ITERATOR
99 {
100    /**
101     * This field points to the list iterated by this iterator.
102     */
103    SCI_ABSTRACT_LIST_T * list;
104 
105    /**
106     * This field points to the list element currently referenced by this
107     *  iterator.
108     */
109    SCI_ABSTRACT_ELEMENT_T * current;
110 
111 } SCI_BASE_ITERATOR_T;
112 
113 //******************************************************************************
114 //*
115 //*     P U B L I C       M E T H O D S
116 //*
117 //******************************************************************************
118 
119 #if !defined(DISABLE_SCI_ITERATORS)
120 
121 void sci_base_iterator_construct(
122    SCI_ITERATOR_HANDLE_T   iterator,
123    SCI_ABSTRACT_LIST_T   * list
124 );
125 
126 #else // !defined(DISABLE_SCI_ITERATORS)
127 
128 #define sci_base_iterator_construct(the_iterator, the_list)
129 
130 #endif // !defined(DISABLE_SCI_ITERATORS)
131 
132 #ifdef __cplusplus
133 }
134 #endif // __cplusplus
135 
136 #endif // _BASE_ITERATOR_H_
137