xref: /minix3/crypto/external/bsd/heimdal/dist/base/number.c (revision ebfedea0ce5bbe81e252ddf32d732e40fb633fae)
1*ebfedea0SLionel Sambuc /*	$NetBSD: number.c,v 1.1.1.1 2011/04/13 18:14:32 elric Exp $	*/
2*ebfedea0SLionel Sambuc 
3*ebfedea0SLionel Sambuc /*
4*ebfedea0SLionel Sambuc  * Copyright (c) 2010 Kungliga Tekniska Högskolan
5*ebfedea0SLionel Sambuc  * (Royal Institute of Technology, Stockholm, Sweden).
6*ebfedea0SLionel Sambuc  * All rights reserved.
7*ebfedea0SLionel Sambuc  *
8*ebfedea0SLionel Sambuc  * Portions Copyright (c) 2010 Apple Inc. All rights reserved.
9*ebfedea0SLionel Sambuc  *
10*ebfedea0SLionel Sambuc  * Redistribution and use in source and binary forms, with or without
11*ebfedea0SLionel Sambuc  * modification, are permitted provided that the following conditions
12*ebfedea0SLionel Sambuc  * are met:
13*ebfedea0SLionel Sambuc  *
14*ebfedea0SLionel Sambuc  * 1. Redistributions of source code must retain the above copyright
15*ebfedea0SLionel Sambuc  *    notice, this list of conditions and the following disclaimer.
16*ebfedea0SLionel Sambuc  *
17*ebfedea0SLionel Sambuc  * 2. Redistributions in binary form must reproduce the above copyright
18*ebfedea0SLionel Sambuc  *    notice, this list of conditions and the following disclaimer in the
19*ebfedea0SLionel Sambuc  *    documentation and/or other materials provided with the distribution.
20*ebfedea0SLionel Sambuc  *
21*ebfedea0SLionel Sambuc  * 3. Neither the name of the Institute nor the names of its contributors
22*ebfedea0SLionel Sambuc  *    may be used to endorse or promote products derived from this software
23*ebfedea0SLionel Sambuc  *    without specific prior written permission.
24*ebfedea0SLionel Sambuc  *
25*ebfedea0SLionel Sambuc  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
26*ebfedea0SLionel Sambuc  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27*ebfedea0SLionel Sambuc  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28*ebfedea0SLionel Sambuc  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
29*ebfedea0SLionel Sambuc  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30*ebfedea0SLionel Sambuc  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31*ebfedea0SLionel Sambuc  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32*ebfedea0SLionel Sambuc  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33*ebfedea0SLionel Sambuc  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34*ebfedea0SLionel Sambuc  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35*ebfedea0SLionel Sambuc  * SUCH DAMAGE.
36*ebfedea0SLionel Sambuc  */
37*ebfedea0SLionel Sambuc 
38*ebfedea0SLionel Sambuc #include "baselocl.h"
39*ebfedea0SLionel Sambuc 
40*ebfedea0SLionel Sambuc static void
number_dealloc(void * ptr)41*ebfedea0SLionel Sambuc number_dealloc(void *ptr)
42*ebfedea0SLionel Sambuc {
43*ebfedea0SLionel Sambuc }
44*ebfedea0SLionel Sambuc 
45*ebfedea0SLionel Sambuc static int
number_cmp(void * a,void * b)46*ebfedea0SLionel Sambuc number_cmp(void *a, void *b)
47*ebfedea0SLionel Sambuc {
48*ebfedea0SLionel Sambuc     int na, nb;
49*ebfedea0SLionel Sambuc 
50*ebfedea0SLionel Sambuc     if (heim_base_is_tagged_object(a))
51*ebfedea0SLionel Sambuc 	na = heim_base_tagged_object_value(a);
52*ebfedea0SLionel Sambuc     else
53*ebfedea0SLionel Sambuc 	na = *(int *)a;
54*ebfedea0SLionel Sambuc 
55*ebfedea0SLionel Sambuc     if (heim_base_is_tagged_object(b))
56*ebfedea0SLionel Sambuc 	nb = heim_base_tagged_object_value(b);
57*ebfedea0SLionel Sambuc     else
58*ebfedea0SLionel Sambuc 	nb = *(int *)b;
59*ebfedea0SLionel Sambuc 
60*ebfedea0SLionel Sambuc     return na - nb;
61*ebfedea0SLionel Sambuc }
62*ebfedea0SLionel Sambuc 
63*ebfedea0SLionel Sambuc static unsigned long
number_hash(void * ptr)64*ebfedea0SLionel Sambuc number_hash(void *ptr)
65*ebfedea0SLionel Sambuc {
66*ebfedea0SLionel Sambuc     if (heim_base_is_tagged_object(ptr))
67*ebfedea0SLionel Sambuc 	return heim_base_tagged_object_value(ptr);
68*ebfedea0SLionel Sambuc     return (unsigned long)*(int *)ptr;
69*ebfedea0SLionel Sambuc }
70*ebfedea0SLionel Sambuc 
71*ebfedea0SLionel Sambuc struct heim_type_data _heim_number_object = {
72*ebfedea0SLionel Sambuc     HEIM_TID_NUMBER,
73*ebfedea0SLionel Sambuc     "number-object",
74*ebfedea0SLionel Sambuc     NULL,
75*ebfedea0SLionel Sambuc     number_dealloc,
76*ebfedea0SLionel Sambuc     NULL,
77*ebfedea0SLionel Sambuc     number_cmp,
78*ebfedea0SLionel Sambuc     number_hash
79*ebfedea0SLionel Sambuc };
80*ebfedea0SLionel Sambuc 
81*ebfedea0SLionel Sambuc /**
82*ebfedea0SLionel Sambuc  * Create a number object
83*ebfedea0SLionel Sambuc  *
84*ebfedea0SLionel Sambuc  * @param the number to contain in the object
85*ebfedea0SLionel Sambuc  *
86*ebfedea0SLionel Sambuc  * @return a number object
87*ebfedea0SLionel Sambuc  */
88*ebfedea0SLionel Sambuc 
89*ebfedea0SLionel Sambuc heim_number_t
heim_number_create(int number)90*ebfedea0SLionel Sambuc heim_number_create(int number)
91*ebfedea0SLionel Sambuc {
92*ebfedea0SLionel Sambuc     heim_number_t n;
93*ebfedea0SLionel Sambuc 
94*ebfedea0SLionel Sambuc     if (number < 0xffffff && number >= 0)
95*ebfedea0SLionel Sambuc 	return heim_base_make_tagged_object(number, HEIM_TID_NUMBER);
96*ebfedea0SLionel Sambuc 
97*ebfedea0SLionel Sambuc     n = _heim_alloc_object(&_heim_number_object, sizeof(int));
98*ebfedea0SLionel Sambuc     if (n)
99*ebfedea0SLionel Sambuc 	*((int *)n) = number;
100*ebfedea0SLionel Sambuc     return n;
101*ebfedea0SLionel Sambuc }
102*ebfedea0SLionel Sambuc 
103*ebfedea0SLionel Sambuc /**
104*ebfedea0SLionel Sambuc  * Return the type ID of number objects
105*ebfedea0SLionel Sambuc  *
106*ebfedea0SLionel Sambuc  * @return type id of number objects
107*ebfedea0SLionel Sambuc  */
108*ebfedea0SLionel Sambuc 
109*ebfedea0SLionel Sambuc heim_tid_t
heim_number_get_type_id(void)110*ebfedea0SLionel Sambuc heim_number_get_type_id(void)
111*ebfedea0SLionel Sambuc {
112*ebfedea0SLionel Sambuc     return HEIM_TID_NUMBER;
113*ebfedea0SLionel Sambuc }
114*ebfedea0SLionel Sambuc 
115*ebfedea0SLionel Sambuc /**
116*ebfedea0SLionel Sambuc  * Get the int value of the content
117*ebfedea0SLionel Sambuc  *
118*ebfedea0SLionel Sambuc  * @param number the number object to get the value from
119*ebfedea0SLionel Sambuc  *
120*ebfedea0SLionel Sambuc  * @return an int
121*ebfedea0SLionel Sambuc  */
122*ebfedea0SLionel Sambuc 
123*ebfedea0SLionel Sambuc int
heim_number_get_int(heim_number_t number)124*ebfedea0SLionel Sambuc heim_number_get_int(heim_number_t number)
125*ebfedea0SLionel Sambuc {
126*ebfedea0SLionel Sambuc     if (heim_base_is_tagged_object(number))
127*ebfedea0SLionel Sambuc 	return heim_base_tagged_object_value(number);
128*ebfedea0SLionel Sambuc     return *(int *)number;
129*ebfedea0SLionel Sambuc }
130