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