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