xref: /freebsd/sys/dev/isci/scil/sci_base_iterator.h (revision 59c8e88e72633afbc47a4ace0d2170d00d51f7dc)
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 /**
55  * @file
56  *
57  * @brief This file contains the protected interface to the iterator class.
58  *        Methods Provided:
59  *        - sci_base_iterator_construct()
60  */
61 
62 #ifndef _SCI_BASE_ITERATOR_H_
63 #define _SCI_BASE_ITERATOR_H_
64 
65 #ifdef __cplusplus
66 extern "C" {
67 #endif // __cplusplus
68 
69 //******************************************************************************
70 //*
71 //*     I N C L U D E S
72 //*
73 //******************************************************************************
74 
75 #include <dev/isci/scil/sci_iterator.h>
76 #include <dev/isci/scil/sci_abstract_list.h>
77 
78 //******************************************************************************
79 //*
80 //*     C O N S T A N T S
81 //*
82 //******************************************************************************
83 
84 //******************************************************************************
85 //*
86 //*     T Y P E S
87 //*
88 //******************************************************************************
89 
90 /**
91  * @struct SCI_BASE_ITERATOR
92  *
93  * @brief This object represents an iterator of an abstract list.
94  *
95  */
96 typedef struct SCI_BASE_ITERATOR
97 {
98    /**
99     * This field points to the list iterated by this iterator.
100     */
101    SCI_ABSTRACT_LIST_T * list;
102 
103    /**
104     * This field points to the list element currently referenced by this
105     *  iterator.
106     */
107    SCI_ABSTRACT_ELEMENT_T * current;
108 
109 } SCI_BASE_ITERATOR_T;
110 
111 //******************************************************************************
112 //*
113 //*     P U B L I C       M E T H O D S
114 //*
115 //******************************************************************************
116 
117 #if !defined(DISABLE_SCI_ITERATORS)
118 
119 void sci_base_iterator_construct(
120    SCI_ITERATOR_HANDLE_T   iterator,
121    SCI_ABSTRACT_LIST_T   * list
122 );
123 
124 #else // !defined(DISABLE_SCI_ITERATORS)
125 
126 #define sci_base_iterator_construct(the_iterator, the_list)
127 
128 #endif // !defined(DISABLE_SCI_ITERATORS)
129 
130 #ifdef __cplusplus
131 }
132 #endif // __cplusplus
133 
134 #endif // _BASE_ITERATOR_H_
135