prop_stack.h revision 1.2.2.2 1 1.2.2.2 xtraeme /* $NetBSD: prop_stack.h,v 1.2.2.2 2007/09/27 16:16:25 xtraeme Exp $ */
2 1.2.2.2 xtraeme
3 1.2.2.2 xtraeme /*-
4 1.2.2.2 xtraeme * Copyright (c) 2007 Joerg Sonnenberger <joerg (at) NetBSD.org>.
5 1.2.2.2 xtraeme * All rights reserved.
6 1.2.2.2 xtraeme *
7 1.2.2.2 xtraeme * Redistribution and use in source and binary forms, with or without
8 1.2.2.2 xtraeme * modification, are permitted provided that the following conditions
9 1.2.2.2 xtraeme * are met:
10 1.2.2.2 xtraeme *
11 1.2.2.2 xtraeme * 1. Redistributions of source code must retain the above copyright
12 1.2.2.2 xtraeme * notice, this list of conditions and the following disclaimer.
13 1.2.2.2 xtraeme * 2. Redistributions in binary form must reproduce the above copyright
14 1.2.2.2 xtraeme * notice, this list of conditions and the following disclaimer in
15 1.2.2.2 xtraeme * the documentation and/or other materials provided with the
16 1.2.2.2 xtraeme * distribution.
17 1.2.2.2 xtraeme *
18 1.2.2.2 xtraeme * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 1.2.2.2 xtraeme * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 1.2.2.2 xtraeme * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
21 1.2.2.2 xtraeme * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
22 1.2.2.2 xtraeme * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
23 1.2.2.2 xtraeme * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
24 1.2.2.2 xtraeme * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 1.2.2.2 xtraeme * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
26 1.2.2.2 xtraeme * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
27 1.2.2.2 xtraeme * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
28 1.2.2.2 xtraeme * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 1.2.2.2 xtraeme * SUCH DAMAGE.
30 1.2.2.2 xtraeme */
31 1.2.2.2 xtraeme
32 1.2.2.2 xtraeme #ifndef _PROP_STACK_H
33 1.2.2.2 xtraeme #define _PROP_STACK_H
34 1.2.2.2 xtraeme
35 1.2.2.2 xtraeme #include <sys/queue.h>
36 1.2.2.2 xtraeme
37 1.2.2.2 xtraeme #include <prop/prop_object.h>
38 1.2.2.2 xtraeme
39 1.2.2.2 xtraeme struct _prop_stack_intern_elem {
40 1.2.2.2 xtraeme prop_object_t object;
41 1.2.2.2 xtraeme void *object_data[3];
42 1.2.2.2 xtraeme };
43 1.2.2.2 xtraeme
44 1.2.2.2 xtraeme struct _prop_stack_extern_elem {
45 1.2.2.2 xtraeme SLIST_ENTRY(_prop_stack_extern_elem) stack_link;
46 1.2.2.2 xtraeme prop_object_t object;
47 1.2.2.2 xtraeme void *object_data[3];
48 1.2.2.2 xtraeme };
49 1.2.2.2 xtraeme
50 1.2.2.2 xtraeme #define PROP_STACK_INTERN_ELEMS 16
51 1.2.2.2 xtraeme
52 1.2.2.2 xtraeme struct _prop_stack {
53 1.2.2.2 xtraeme struct _prop_stack_intern_elem intern_elems[PROP_STACK_INTERN_ELEMS];
54 1.2.2.2 xtraeme size_t used_intern_elems;
55 1.2.2.2 xtraeme SLIST_HEAD(, _prop_stack_extern_elem) extern_elems;
56 1.2.2.2 xtraeme };
57 1.2.2.2 xtraeme
58 1.2.2.2 xtraeme typedef struct _prop_stack *prop_stack_t;
59 1.2.2.2 xtraeme
60 1.2.2.2 xtraeme void _prop_stack_init(prop_stack_t);
61 1.2.2.2 xtraeme bool _prop_stack_push(prop_stack_t, prop_object_t, void *, void *, void *);
62 1.2.2.2 xtraeme bool _prop_stack_pop(prop_stack_t, prop_object_t *, void **, void **, void **);
63 1.2.2.2 xtraeme
64 1.2.2.2 xtraeme #endif
65