source: trunk/sys/libphoenix/iterator.h @ 1

Last change on this file since 1 was 1, checked in by alain, 5 years ago

First import

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1/* Copyright (c) 2007-2009, Stanford University
2* All rights reserved.
3*
4* Redistribution and use in source and binary forms, with or without
5* modification, are permitted provided that the following conditions are met:
6*     * Redistributions of source code must retain the above copyright
7*       notice, this list of conditions and the following disclaimer.
8*     * Redistributions in binary form must reproduce the above copyright
9*       notice, this list of conditions and the following disclaimer in the
10*       documentation and/or other materials provided with the distribution.
11*     * Neither the name of Stanford University nor the names of its
12*       contributors may be used to endorse or promote products derived from
13*       this software without specific prior written permission.
14*
15* THIS SOFTWARE IS PROVIDED BY STANFORD UNIVERSITY ``AS IS'' AND ANY
16* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18* DISCLAIMED. IN NO EVENT SHALL STANFORD UNIVERSITY BE LIABLE FOR ANY
19* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
22* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
24* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25*/ 
26
27#ifndef ITERATOR_H_
28#define ITERATOR_H_
29
30#include "struct.h"
31
32struct iterator_t
33{
34    keyvals_t          **list_array;
35    int                 max_list;
36    int                 next_insert_pos;
37    int                 current_list;
38    int                 current_index;
39    val_t               *val;
40    int                 size;
41};
42
43inline int iter_init (struct iterator_t *, int);
44inline void iter_reset (struct iterator_t *);
45inline void iter_rewind (struct iterator_t *);
46inline int iter_next_list (struct iterator_t *, keyvals_t **);
47inline void iter_finalize (struct iterator_t *);
48
49inline int iter_add (struct iterator_t *, keyvals_t *);
50
51#endif /* ITERATOR_H_ */
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