xref: /openbsd/usr.sbin/npppd/common/slist.h (revision cecf84d4)
1 /*-
2  * Copyright (c) 2009 Internet Initiative Japan Inc.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 #ifndef SLIST_H
27 #define SLIST_H 1
28 
29 typedef struct {
30 	void **list;
31 	int last_idx;
32 	int first_idx;
33 	int list_size;
34 
35 	int itr_next;
36 	int itr_curr;
37 } slist;
38 
39 #ifdef __cplusplus
40 extern "C" {
41 #endif
42 
43 void  slist_init (slist *);
44 void  slist_fini (slist *);
45 int   slist_length (slist *);
46 int   slist_set_size (slist *, int);
47 void  *slist_add (slist *, void *);
48 int   slist_add_all (slist *, slist *);
49 void  slist_remove_all (slist *);
50 void  *slist_get (slist *, int);
51 int   slist_set (slist *, int, void *);
52 void  *slist_remove_first (slist *);
53 void  *slist_remove_last (slist *);
54 void  slist_swap (slist *, int, int);
55 void  *slist_remove (slist *, int);
56 void  slist_shuffle (slist *);
57 void  slist_itr_first (slist *);
58 int   slist_itr_has_next (slist *);
59 void  *slist_itr_next (slist *);
60 void  *slist_itr_remove (slist *);
61 void  slist_qsort (slist *, int (*compar)(const void *, const void *));
62 
63 #ifdef __cplusplus
64 }
65 #endif
66 
67 #endif
68