1/*	$NetBSD: number.c,v 1.1.1.1 2011/04/13 18:14:32 elric Exp $	*/
2
3/*
4 * Copyright (c) 2010 Kungliga Tekniska Högskolan
5 * (Royal Institute of Technology, Stockholm, Sweden).
6 * All rights reserved.
7 *
8 * Portions Copyright (c) 2010 Apple Inc. All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 *
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 *
17 * 2. Redistributions in binary form must reproduce the above copyright
18 *    notice, this list of conditions and the following disclaimer in the
19 *    documentation and/or other materials provided with the distribution.
20 *
21 * 3. Neither the name of the Institute nor the names of its contributors
22 *    may be used to endorse or promote products derived from this software
23 *    without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 */
37
38#include "baselocl.h"
39
40static void
41number_dealloc(void *ptr)
42{
43}
44
45static int
46number_cmp(void *a, void *b)
47{
48    int na, nb;
49
50    if (heim_base_is_tagged_object(a))
51	na = heim_base_tagged_object_value(a);
52    else
53	na = *(int *)a;
54
55    if (heim_base_is_tagged_object(b))
56	nb = heim_base_tagged_object_value(b);
57    else
58	nb = *(int *)b;
59
60    return na - nb;
61}
62
63static unsigned long
64number_hash(void *ptr)
65{
66    if (heim_base_is_tagged_object(ptr))
67	return heim_base_tagged_object_value(ptr);
68    return (unsigned long)*(int *)ptr;
69}
70
71struct heim_type_data _heim_number_object = {
72    HEIM_TID_NUMBER,
73    "number-object",
74    NULL,
75    number_dealloc,
76    NULL,
77    number_cmp,
78    number_hash
79};
80
81/**
82 * Create a number object
83 *
84 * @param the number to contain in the object
85 *
86 * @return a number object
87 */
88
89heim_number_t
90heim_number_create(int number)
91{
92    heim_number_t n;
93
94    if (number < 0xffffff && number >= 0)
95	return heim_base_make_tagged_object(number, HEIM_TID_NUMBER);
96
97    n = _heim_alloc_object(&_heim_number_object, sizeof(int));
98    if (n)
99	*((int *)n) = number;
100    return n;
101}
102
103/**
104 * Return the type ID of number objects
105 *
106 * @return type id of number objects
107 */
108
109heim_tid_t
110heim_number_get_type_id(void)
111{
112    return HEIM_TID_NUMBER;
113}
114
115/**
116 * Get the int value of the content
117 *
118 * @param number the number object to get the value from
119 *
120 * @return an int
121 */
122
123int
124heim_number_get_int(heim_number_t number)
125{
126    if (heim_base_is_tagged_object(number))
127	return heim_base_tagged_object_value(number);
128    return *(int *)number;
129}
130