130 lines
3.3 KiB
C
130 lines
3.3 KiB
C
/* $NetBSD: number.c,v 1.1.1.1 2011/04/13 18:14:32 elric Exp $ */
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/*
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* Copyright (c) 2010 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Portions Copyright (c) 2010 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "baselocl.h"
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static void
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number_dealloc(void *ptr)
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{
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}
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static int
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number_cmp(void *a, void *b)
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{
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int na, nb;
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if (heim_base_is_tagged_object(a))
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na = heim_base_tagged_object_value(a);
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else
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na = *(int *)a;
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if (heim_base_is_tagged_object(b))
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nb = heim_base_tagged_object_value(b);
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else
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nb = *(int *)b;
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return na - nb;
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}
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static unsigned long
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number_hash(void *ptr)
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{
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if (heim_base_is_tagged_object(ptr))
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return heim_base_tagged_object_value(ptr);
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return (unsigned long)*(int *)ptr;
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}
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struct heim_type_data _heim_number_object = {
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HEIM_TID_NUMBER,
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"number-object",
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NULL,
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number_dealloc,
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NULL,
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number_cmp,
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number_hash
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};
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/**
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* Create a number object
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*
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* @param the number to contain in the object
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*
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* @return a number object
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*/
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heim_number_t
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heim_number_create(int number)
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{
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heim_number_t n;
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if (number < 0xffffff && number >= 0)
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return heim_base_make_tagged_object(number, HEIM_TID_NUMBER);
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n = _heim_alloc_object(&_heim_number_object, sizeof(int));
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if (n)
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*((int *)n) = number;
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return n;
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}
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/**
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* Return the type ID of number objects
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*
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* @return type id of number objects
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*/
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heim_tid_t
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heim_number_get_type_id(void)
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{
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return HEIM_TID_NUMBER;
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}
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/**
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* Get the int value of the content
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*
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* @param number the number object to get the value from
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*
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* @return an int
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*/
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int
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heim_number_get_int(heim_number_t number)
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{
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if (heim_base_is_tagged_object(number))
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return heim_base_tagged_object_value(number);
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return *(int *)number;
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}
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